Saturday, August 24, 2013

KSLC [250123]: Preliminary Local Storm Report...summary

NWUS55 KSLC 250123
LSRSLC

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
723 PM MDT SAT AUG 24 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0310 PM TSTM WND GST 23 NE IBAPAH 40.28N 113.70W
08/24/2013 M64.00 MPH TOOELE UT MESONET

WEST SALT FLATS SENSOR DPG26

0425 PM TSTM WND GST 15 NNE KNOLLS 40.91N 113.15W
08/24/2013 M64.00 MPH TOOELE UT MESONET

DIDDLE KNOLL SENSOR DPG27

0430 PM NON-TSTM WND GST 15 NNE KNOLLS 40.91N 113.15W
08/24/2013 M72.00 MPH TOOELE UT MESONET

DIDDLE KNOLL DPG27

0451 PM HAIL SOUTH SALT LAKE 40.71N 111.90W
08/24/2013 M0.75 INCH SALT LAKE UT NWS EMPLOYEE

DIME SIZE HAIL REPORTED.

0457 PM HAIL SOUTH SALT LAKE 40.71N 111.90W
08/24/2013 E1.00 INCH SALT LAKE UT PUBLIC

0500 PM FLASH FLOOD 12 N VIRGIN 37.37N 113.20W
08/24/2013 WASHINGTON UT PARK/FOREST SRVC

FLASH FLOOD ON KOLOB TERRACE AND THE SUBWAY AREA OF ZION
NATIONAL PARK.

0519 PM HAIL KAYSVILLE 41.03N 111.94W
08/24/2013 E0.88 INCH DAVIS UT PUBLIC

0521 PM TSTM WND DMG LAYTON 41.08N 111.96W
08/24/2013 DAVIS UT PUBLIC

TREES DOWN ON FAIRFIELD ROAD

0521 PM HAIL LAYTON 41.08N 111.96W
08/24/2013 E1.00 INCH DAVIS UT PUBLIC

MANY REPORTS OF NICKEL TO QUARTER SIZED HAIL

0538 PM FLASH FLOOD 5 S KANARRAVILLE 37.46N 113.19W
08/24/2013 WASHINGTON UT PARK/FOREST SRVC

SUBSTANTIAL FLOOD ALONG TAYLOR CREEK IN KOLOB AREA OF
ZION NATIONAL PARK.


&&

$$

DB

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KVEF [250109]: Preliminary Local Storm Report

NWUS55 KVEF 250109
LSRVEF

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAS VEGAS NV
608 PM PDT SAT AUG 24 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0213 PM DUST STORM 10 ESE DAGGETT (CLR11) 34.82N 116.61W
08/24/2013 SAN BERNARDINO CA LAW ENFORCEMENT

CHP REPORTS THAT A 3 VEHICLE ACCIDENT OCCURRED ON
INTERSTATE 40 NEAR THE FORT CADY ROAD EXIT. THIS ACCIDENT
WAS CAUSED BY REDUCED VISIBILITY ASSOCIATED WITH BLOWING
DUST. INTERSTATE 40 WAS CLOSED IN BOTH DIRECTIONS EAST OF
FORT CADY ROAD DUE TO REDUCED VISIBILITY FOR SEVERAL
HOURS.


&&

$$

METZGER

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KLWX [250108]: Preliminary Local Storm Report

NWUS51 KLWX 250108
LSRLWX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
907 PM EDT SAT AUG 24 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0601 AM TORNADO 1 N HARFORD FURNACE 39.52N 76.27W
08/13/2013 HARFORD MD NWS STORM SURVEY

EF-0 TORNADO. PATH LENGTH 1.0 MILE. MAX WIDTH 75 YDS.
PEAK WIND 70 MPH. SCATTERED TREE DAMAGE ALONG PATH
MAINLY LARGE BRANCHES SNAPPED.


&&

EVENT NUMBER LWX1300759

$$

SMZ

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 250100
SWODY1
SPC AC 250058

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0758 PM CDT SAT AUG 24 2013

VALID 250100Z - 251200Z

...THERE IS A SLGT RISK OF SVR TSTMS ACROSS PARTS OF ERN ND AND NRN
MN...

...ERN ND/NRN MN...
AN UPPER HIGH ALOFT WILL REMAIN CENTERED OVER MO INTO ERN KS...WITH
THE E-W EXPANSE OF THIS HIGH EXTENDING FROM THE OH VALLEY AND SRN
APPALACHIANS TO THE SRN ROCKIES. WATER VAPOR IMAGERY SHOWED A
MIDLEVEL SHORTWAVE TROUGH...CURRENTLY MOVING ENEWD THROUGH SERN
MANITOBA/NWRN MN...WITH THIS FEATURE EXPECTED TO PROGRESS EWD ALONG
THE INTERNATIONAL BORDER...REACHING WRN LAKE SUPERIOR AND ADJACENT
ONTARIO REGION BY 12Z SUNDAY. WEAK HEIGHT FALLS EXPECTED ACROSS NRN
MN THIS FORECAST PERIOD AND SUBSEQUENT RESPONSE BY THE MASS FIELDS
WITH A STRENGTHENING SWLY LLJ EXTENDING FROM ERN SD TO NRN MN AND
THE UPPER GREAT LAKES WILL RESULT IN AN INCREASE IN LOW LEVEL WAA.

THESE FACTORS COMBINED WITH STEEP MIDLEVEL LAPSE RATES /PER 00Z
SOUNDINGS OVER THE DAKOTAS AND MN/ SPREADING EWD AND DPVA PER THE
AFOREMENTIONED IMPULSE AND SOME INFLUENCE FROM AN UPSTREAM TROUGH
MOVING ACROSS ND TONIGHT WILL SUPPORT ADDITIONAL STORMS...MAINLY
OVER NRN MN. HOWEVER...SOME POTENTIAL FOR STORM DEVELOPMENT WILL
REMAIN ACROSS ERN ND WITHIN ZONE OF LOW LEVEL CONVERGENCE ALONG A
WIND SHIFT...WHICH EARLY THIS EVENING EXTENDED FROM FAR NWRN MN
THROUGH ERN ND TO NORTH CENTRAL-WRN SD. THUS...THIS OUTLOOK WILL
MAINTAIN A SLIGHT RISK OVER ERN ND...WITH AN EXPANSION EWD SOME OVER
NORTH CENTRAL/NERN MN. THE LAST SEVERAL RUNS OF THE HRRR AND SOME
MEMBERS OF THE SREF FAVOR THE POTENTIAL FOR A BOW /ATTENDANT WIND
THREAT/ TO SPREAD ACROSS NRN MN THIS EVENING...WITH SOME THREAT
EXTENDING ESEWD INTO THE UPPER GREAT LAKES /5 PERCENT SVR WIND/HAIL
POTENTIAL/. RESIDUAL MODERATE INSTABILITY AND DEEP LAYER WINDS/SHEAR
BECOMING UNIDIRECTIONAL AS THE LLJ VEERS TO WLY TONIGHT SHOULD FAVOR
LINES/BOWING SEGMENTS...MAINLY ACROSS THE SLIGHT RISK AREA IN NRN
MN.

...LOWER CO RIVER VALLEY THROUGH UT TO THE NRN ROCKIES...
A FEW LINGERING STRONG TO POTENTIALLY SVR WIND GUSTS REMAIN POSSIBLE
ACROSS THESE AREAS...ESPECIALLY WHERE POCKETS OF MODERATE
INSTABILITY PERSIST. HOWEVER...RECENT CAPPI IMAGERY AND LIGHTNING
DATA SUGGESTED A DIMINISHING TREND IN STRONGER/SUSTAINED UPDRAFTS.
THE COMBINATION OF CONVECTIVE OVERTURNING AND/OR THE ONSET OF
BOUNDARY LAYER COOLING/STABILIZATION SHOULD MAINTAIN THIS DECREASE
IN SVR WEATHER POTENTIAL.

..PETERS.. 08/25/2013

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KGJT [250100]: Preliminary Local Storm Report

NWUS55 KGJT 250100
LSRGJT

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
700 PM MDT SAT AUG 24 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0545 PM FLASH FLOOD ARCHES NP 38.62N 109.62W
08/24/2013 GRAND UT PARK/FOREST SRVC

1 FT DEEP WATER IN SALT WASH ACROSS THE ROAD. WATER
DEPTH WAS DECREASING. ROAD HAS BEEN CLOSED.


&&

EVENT NUMBER GJT1301413

$$

JAD

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KTBW [250053]: Preliminary Local Storm Report

NWUS52 KTBW 250053
LSRTBW

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
852 PM EDT SAT AUG 24 2013

...TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
...DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0820 PM TSTM WND GST 2 S BOCA GRANDE 26.72N 82.26W
08/24/2013 M41 MPH LEE FL MESONET

MESONET STATION 2 S BOCA GRANDE /XBCG/



&&

$$

IRIS SYSTEM

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MESO: Mesoscale Discussion 1768

ACUS11 KWNS 250041
SWOMCD
SPC MCD 250041
MNZ000-NDZ000-250215-

MESOSCALE DISCUSSION 1768
NWS STORM PREDICTION CENTER NORMAN OK
0741 PM CDT SAT AUG 24 2013

AREAS AFFECTED...ERN ND INTO NRN MN

CONCERNING...SEVERE THUNDERSTORM WATCH 496...

VALID 250041Z - 250215Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 496
CONTINUES.

SUMMARY...RISK FOR SEVERE HAIL AND WIND PROBABLY WILL PERSIST
THROUGH THE EVENING NEAR THE NORTHERN MINNESOTA INTERNATIONAL BORDER
AREA. CONSIDERABLE UNCERTAINTY LINGERS CONCERNING HOW FAR SOUTH OF
THE BORDER...AND WHETHER A NEW SEVERE WEATHER WATCH WILL BE NEEDED
TO THE SOUTH AND EAST OF WW 496. FOR NOW...WW 496 WILL BE EXTENDED
LOCALLY IN TIME AND AREA FOR GRAND FORKS NORTHWESTERN MINNESOTA
COUNTIES.

DISCUSSION...LATEST RAPID REFRESH DATA SUGGEST PASSAGE OF LOW
AMPLITUDE LOWER/ MID TROPOSPHERIC TROUGHING MAY BE ACCOMPANIED BY
WEAK COOLING ACROSS MUCH OF EASTERN NORTH DAKOTA THROUGH THE 02-04Z
TIME FRAME. ALTHOUGH COINCIDING WITH THE ONSET OF DIURNAL BOUNDARY
LAYER COOLING/STABILIZATION...SCATTERED THUNDERSTORM DEVELOPMENT
ALONG/AHEAD OF THE SURFACE TROUGH...SOUTHWARD INTO SOUTHEASTERN
NORTH DAKOTA MAY NOT BE OUT OF THE QUESTION WITH WEAKENING OF
MID-LEVEL INHIBITION. HOWEVER...STRONGER FORCING FOR UPWARD
VERTICAL MOTION SUPPORTIVE OF VIGOROUS CONVECTIVE DEVELOPMENT
APPEARS TO BE COMING FOCUSED ALONG...AND GENERALLY NORTH OF...THE
NORTHERN MINNESOTA INTERNATIONAL BORDER AREA. IT REMAINS UNCLEAR IF
SUBSTANTIVE FURTHER CONVECTIVE DEVELOPMENT WILL OCCUR SOUTH OF
STRONG/SEVERE STORMS NOW APPROACHING THE LAKE OF THE WOODS AREA...
WHICH MAY TEND TO STRADDLE THE INTERNATIONAL BORDER AS THEY PROGRESS
EASTWARD THROUGH THE REMAINDER OF THE EVENING.

..KERR.. 08/25/2013

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...DLH...FGF...BIS...

LAT...LON 48129127 47479280 47189502 46509656 46059745 46229915
47629783 48469715 49029672 48859405 48129127

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KFGF [250038]: Preliminary Local Storm Report

NWUS53 KFGF 250038
LSRFGF

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
738 PM CDT SAT AUG 24 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0737 PM TSTM WND DMG 3 E ROSEAU 48.85N 95.70W
08/24/2013 ROSEAU MN TRAINED SPOTTER

REPORT OF MULTIPLE 20-30 FT TREES DOWN. TIME ESTIMATED
FROM RADAR.


&&

$$

JAM

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KSLC [250031]: Preliminary Local Storm Report

NWUS55 KSLC 250031
LSRSLC

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
631 PM MDT SAT AUG 24 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0521 PM HAIL LAYTON 41.08N 111.96W
08/24/2013 E1.00 INCH DAVIS UT PUBLIC

MANY REPORTS OF NICKEL TO QUARTER SIZED HAIL

0521 PM TSTM WND DMG LAYTON 41.08N 111.96W
08/24/2013 DAVIS UT PUBLIC

TREES DOWN ON FAIRFIELD ROAD


&&

$$

CRK

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KTFX [250012]: Preliminary Local Storm Report

NWUS55 KTFX 250012
LSRTFX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
612 PM MDT SAT AUG 24 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0354 PM TSTM WND GST 8 W TOWNSEND 46.31N 111.70W
08/24/2013 M56 MPH BROADWATER MT MESONET

ELKHORN RAWS ELEVATION 6010 FT MSL


&&

$$

BLANK

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KSLC [242354]: Preliminary Local Storm Report

NWUS55 KSLC 242354
LSRSLC

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
553 PM MDT SAT AUG 24 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0538 PM FLASH FLOOD 5 S KANARRAVILLE 37.46N 113.19W
08/24/2013 WASHINGTON UT PARK/FOREST SRVC

SUBSTANTIAL FLOOD ALONG TAYLOR CREEK IN KOLOB AREA OF
ZION NATIONAL PARK.


&&

$$

MCONGER

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KTBW [242349]: Preliminary Local Storm Report

NWUS52 KTBW 242349
LSRTBW

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
749 PM EDT SAT AUG 24 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0737 PM TSTM WND GST 5 ESE PUNTA GORDA 26.92N 81.98W
08/24/2013 M40 MPH CHARLOTTE FL ASOS

KPGD ASOS MEASURED A 35 KNOT WIND GUST.


&&

$$

JCM

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KVEF [242334]: Preliminary Local Storm Report

NWUS55 KVEF 242334
LSRVEF

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAS VEGAS NV
431 PM PDT SAT AUG 24 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0245 PM FLASH FLOOD 2 NNW TOPOCK 34.75N 114.48W
08/24/2013 MOHAVE AZ DEPT OF HIGHWAYS

SEVERAL INCHES OF WATER AND MUD FLOWING ACROSS THE
OATMAN-TOPOCK HIGHWAY AT THE SACRAMENTO WASH. OBSERVED
VIA WEBCAM.


&&

$$

METZGER

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KPSR [242326]: Preliminary Local Storm Report

NWUS55 KPSR 242326
LSRPSR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PHOENIX AZ
426 PM MST SAT AUG 24 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0220 PM FLASH FLOOD SALTON CITY 33.26N 115.95W
08/24/2013 IMPERIAL CA LAW ENFORCEMENT

FLASH FLOODING IN SALTON CITY AND HIGHWAYS 78 AND 86 IN
FAR WESTERN IMPERIAL CNTY. CARS STUCK IN FLOOD WATERS
AND WASHES CONTINUE TO RUN HEAVY.


&&

EVENT NUMBER PSR1300137

$$

PSR

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KSLC [242319]: Preliminary Local Storm Report

NWUS55 KSLC 242319
LSRSLC

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
519 PM MDT SAT AUG 24 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0519 PM HAIL KAYSVILLE 41.03N 111.94W
08/24/2013 E0.88 INCH DAVIS UT PUBLIC


&&

$$

CRK

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KSLC [242312]: Preliminary Local Storm Report

NWUS55 KSLC 242312
LSRSLC

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
512 PM MDT SAT AUG 24 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0500 PM FLASH FLOOD 12 N VIRGIN 37.37N 113.20W
08/24/2013 WASHINGTON UT PARK/FOREST SRVC

FLASH FLOOD ON KOLOB TERRACE AND THE SUBWAY AREA OF ZION
NATIONAL PARK.


&&

$$

MCONGER

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KGJT [242311]: Preliminary Local Storm Report

NWUS55 KGJT 242311
LSRGJT

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
511 PM MDT SAT AUG 24 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0510 PM HEAVY RAIN GATEWAY 38.68N 108.97W
08/24/2013 M0.52 INCH MESA CO CO-OP OBSERVER

24 HOUR RAINFALL.


&&

EVENT NUMBER GJT1301412

$$

BK

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KSLC [242303]: Preliminary Local Storm Report

NWUS55 KSLC 242303
LSRSLC

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
503 PM MDT SAT AUG 24 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0457 PM HAIL SOUTH SALT LAKE 40.71N 111.90W
08/24/2013 E1.00 INCH SALT LAKE UT PUBLIC


&&

$$

CRK

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KPIH [242300]: Preliminary Local Storm Report

NWUS55 KPIH 242300
LSRPIH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE POCATELLO
500 PM MDT SAT AUG 24 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0500 PM HEAVY RAIN 5 W BLACKFOOT 43.20N 112.45W
08/24/2013 E0.70 INCH BINGHAM ID TRAINED SPOTTER

IN ONE HOUR


&&

$$

PANGEL

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KTBW [242300]: Preliminary Local Storm Report

NWUS52 KTBW 242300
LSRTBW

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
700 PM EDT SAT AUG 24 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0627 PM NON-TSTM WND GST 1 ESE DOWNTOWN SAINT PE 27.77N 82.63W
08/24/2013 M39.00 MPH PINELLAS FL ASOS

MEASURED 34 KNOT GUST AT KSPG ASOS WAS FROM A
THUNDERSTORM OUTFLOW BOUNDARY.


&&

$$

JCM

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KSLC [242251]: Preliminary Local Storm Report

NWUS55 KSLC 242251
LSRSLC

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
451 PM MDT SAT AUG 24 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0451 PM HAIL SOUTH SALT LAKE 40.71N 111.90W
08/24/2013 M0.75 INCH SALT LAKE UT NWS EMPLOYEE

DIME SIZE HAIL REPORTED.


&&

$$

CRK

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KPSR [242250]: Preliminary Local Storm Report

NWUS55 KPSR 242250
LSRPSR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PHOENIX AZ
350 PM MST SAT AUG 24 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0342 PM FLASH FLOOD 7 WNW WESTMORLAND 33.08N 115.73W
08/24/2013 IMPERIAL CA 911 CALL CENTER

HIGHWAYS 78 AND 86 REPORTED IMPASSABLE BY CA HIGHWAY
PATROL. VEHICLE STRANDED IN WATER NEAR INTERSECTION OF
HWYS 78 AND 86.


&&

EVENT NUMBER PSR1300136

$$

WOODALL

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MESO: Mesoscale Discussion 1767

ACUS11 KWNS 242243
SWOMCD
SPC MCD 242242
MNZ000-NDZ000-250015-

MESOSCALE DISCUSSION 1767
NWS STORM PREDICTION CENTER NORMAN OK
0542 PM CDT SAT AUG 24 2013

AREAS AFFECTED...ERN ND INTO NW MN

CONCERNING...SEVERE THUNDERSTORM WATCH 496...

VALID 242242Z - 250015Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 496
CONTINUES.

SUMMARY...ALTHOUGH SEVERE THUNDERSTORM POTENTIAL HAS BEEN UNREALIZED
TO THIS POINT...THE POTENTIAL FOR NEW STORM DEVELOPMENT BY EARLY/MID
EVENING STILL APPEARS TO EXIST IN AN ENVIRONMENT FAVORABLE FOR THE
PRODUCTION OF SEVERE HAIL/SURFACE WIND GUSTS.

DISCUSSION...ALONG AND AHEAD OF A SURFACE TROUGH...TRAILING
SOUTHWARD FROM THE PRIMARY SURFACE CYCLONE NOW MIGRATING INTO WEST
CENTRAL MANITOBA...THE BOUNDARY LAYER REMAINS SEASONABLY MOIST AND
CHARACTERIZED BY LARGE CAPE...BENEATH FAIRLY STEEP MID-LEVEL LAPSE
RATES. A 500 MB JET STREAK ON THE ORDER OF 40 KT IS CONTRIBUTING TO
SUFFICIENT SHEAR FOR ORGANIZED CONVECTIVE DEVELOPMENT...INCLUDING
SUPERCELLS...AND THE ENVIRONMENT ACROSS MUCH OF EASTERN NORTH DAKOTA
INTO NORTHWEST MINNESOTA REMAINS POTENTIALLY SUPPORTIVE OF SEVERE
STORMS.

MID-LEVELS REMAIN FAIRLY WARM...HOWEVER...AND UPPER SUPPORT FOR
UPWARD VERTICAL MOTION...BENEATH SHARP HIGH LEVEL RIDGING EXTENDING
NORTHWARD ALONG AN AXIS FROM THE LOWER CENTRAL PLAINS THROUGH THE
UPPER MISSISSIPPI VALLEY...REMAINS A BIT UNCLEAR. LOW AMPLITUDE
TROUGHING DOES CONTINUE TO SLOWLY MIGRATE THROUGH BROADER SCALE
ANTICYCLONIC LOWER/MID TROPOSPHERIC FLOW ACROSS THE REGION. AND IT
MAY NOT BE OUT OF THE QUESTION THAT LIFT COULD STILL BECOME
SUFFICIENT FOR NEW STORM DEVELOPMENT WITHIN THE NEXT FEW HOURS. IF
THIS OCCURS...IT CURRENTLY SEEMS MOST PROBABLE WITHIN A ZONE OF
ENHANCED LOWER/MID TROPOSPHERIC WARM ADVECTION NEAR THE DEVILS
LAKE/GRAND FORKS/THIEF RIVER RALLS AREA...IN THE WAKE OF THE INITIAL
STORM CLUSTER NOW SPREADING ACROSS THE INTERNATIONAL BORDER AREA
INTO SOUTHERN MANITOBA.

..KERR.. 08/24/2013

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...FGF...BIS...

LAT...LON 48529883 49209876 49389718 49199552 48259534 47079701
46629871 47259964 47719945 48529883

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KPIH [242243]: Preliminary Local Storm Report

NWUS55 KPIH 242243
LSRPIH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE POCATELLO
443 PM MDT SAT AUG 24 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0351 PM HAIL BLACKFOOT 43.19N 112.35W
08/24/2013 E1.00 INCH BINGHAM ID TRAINED SPOTTER

UP TO 1 INCH HAIL REPORTED


&&

$$

PANGEL

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KSJT [242242]: Preliminary Local Storm Report

NWUS54 KSJT 242242
LSRSJT

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN ANGELO TX
542 PM CDT SAT AUG 24 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0345 PM TSTM WND DMG 1 SSE TANKERSLEY 31.34N 100.64W
08/23/2013 TOM GREEN TX PUBLIC

NUMEROUS MASQUITE TREE LIMBS BETWEEN 1-2 FEET IN
DIAMETER WERE DOWNED.


&&

EVENT NUMBER SJT1300420

$$

JD

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KLWX [242237]: Preliminary Local Storm Report

NWUS51 KLWX 242237
LSRLWX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
636 PM EDT SAT AUG 24 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0602 PM WATER SPOUT 4 ENE PATUXENT RIVER NA 38.30N 76.36W
08/24/2013 ANZ534 MD TRAINED SPOTTER

WATER SPOUT FORMED JUST OFF THE COAST NEAR THE PATUXENT
RIVER INLET.


&&

EVENT NUMBER LWX1300758

$$

GMS

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KSLC [242236]: Preliminary Local Storm Report

NWUS55 KSLC 242236
LSRSLC

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
436 PM MDT SAT AUG 24 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0430 PM NON-TSTM WND GST 15 NNE KNOLLS 40.91N 113.15W
08/24/2013 M72 MPH TOOELE UT MESONET

DIDDLE KNOLL DPG27


&&

$$

CRK

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KSLC [242234]: Preliminary Local Storm Report

NWUS55 KSLC 242234
LSRSLC

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
434 PM MDT SAT AUG 24 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0425 PM TSTM WND GST 15 NNE KNOLLS 40.91N 113.15W
08/24/2013 M64 MPH TOOELE UT MESONET

DIDDLE KNOLL SENSOR DPG27


&&

$$

CRK

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KVEF [242223]: Preliminary Local Storm Report

NWUS55 KVEF 242223
LSRVEF

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAS VEGAS NV
319 PM PDT SAT AUG 24 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

1230 PM HAIL 3 NW SANDY VALLEY 35.83N 115.65W
08/24/2013 E1.00 INCH CLARK NV PUBLIC

REPORT VIA FACEBOOK


&&

$$

METZGER

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KLWX [242158]: Preliminary Local Storm Report

NWUS51 KLWX 242158
LSRLWX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
558 PM EDT SAT AUG 24 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0530 PM WATER SPOUT 15 NNE TAYLORS ISLAND 38.67N 76.22W
08/24/2013 ANZ541 MD COAST GUARD

2 WATER SPOUTS SPOTTED BY CG NEAR OXFORD... MD


&&

EVENT NUMBER LWX1300757

$$

CB

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KPIH [242157]: Preliminary Local Storm Report

NWUS55 KPIH 242157
LSRPIH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE POCATELLO
357 PM MDT SAT AUG 24 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0351 PM HAIL SHOSHONE 42.94N 114.40W
08/24/2013 M1.00 INCH LINCOLN ID COUNTY OFFICIAL


&&

$$

PANGEL

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KPSR [242157]: Preliminary Local Storm Report

NWUS55 KPSR 242157
LSRPSR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PHOENIX AZ
256 PM MST SAT AUG 24 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0255 PM DUST STORM SEELEY 32.79N 115.68W
08/24/2013 IMPERIAL CA TRAINED SPOTTER

VISIBILITY AT ZERO


&&

EVENT NUMBER PSR1300135

$$

MB

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MESO: Mesoscale Discussion 1766

ACUS11 KWNS 242138
SWOMCD
SPC MCD 242138
CAZ000-242245-

MESOSCALE DISCUSSION 1766
NWS STORM PREDICTION CENTER NORMAN OK
0438 PM CDT SAT AUG 24 2013

AREAS AFFECTED...PORTIONS OF SRN CA DESERTS

CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY

VALID 242138Z - 242245Z

PROBABILITY OF WATCH ISSUANCE...5 PERCENT

SUMMARY...THE POSSIBILITY FOR ISOLD WET MICROBURSTS WILL CONTINUE
FOR THE NEXT FEW HOURS OVER THE INTERIOR SRN CA DESERTS.

DISCUSSION...RADAR MOSAIC/WDSS-II 9 KM CAPPI IMAGERY SHOW SEVERAL
LARGE TSTM CORES OVER IMPERIAL/RIVERSIDE/SAN BERNARDINO COUNTIES.
THE STORMS HAVE DEVELOPED IN A MOIST/UNSTABLE AIRMASS...AND WHEN
MODIFYING THE LATEST RAP FORECAST SOUNDINGS FOR 21 UTC SURFACE
TEMP/DEWPOINTS...UPWARDS OF 2000-4000 J/KG SBCAPE IS IMPLIED. WATER
LOADING AND STEEP LOW LEVEL LAPSE RATES WILL SUPPORT AN ISOLD WET
MICROBURST THREAT WITH THE MORE INTENSE STORMS. GIVEN SLOW STORM
MOTIONS...AN ADDITIONAL HAZARD WITH THESE STORMS WILL BE LOCALIZED
HEAVY RAINFALL...FOR FURTHER DETAILS REFERENCE MPD #222 /IN EFFECT
UNTIL 0014 UTC/.

..SMITH/WEISS.. 08/24/2013

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...PSR...VEF...SGX...

LAT...LON 32591602 34191640 34921608 34631509 33831483 32711499
32591602

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MESO: Nws Weather Prediction Center College Park Md

AWUS01 KWNH 242123
FFGMPD
UTZ000-AZZ000-NVZ000-CAZ000-250014-

MESOSCALE PRECIPITATION DISCUSSION 0222...CORRECTED
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
523 PM EDT SAT AUG 24 2013

CORRECTED FOR TYPOS

AREAS AFFECTED...SOUTHWEST UT...SOUTHERN NV...NORTHWEST
AZ...SOUTHEAST CA

CONCERNING...HEAVY RAINFALL...FLASH FLOODING POSSIBLE

VALID 242114Z - 250014Z

SUMMARY...SCATTERED THUNDERSTORMS WITH HOURLY RAIN RATES EXCEEDING
TWO INCHES IN STRONGER CELLS COULD CAUSE REGIONAL FLASH FLOODING.

DISCUSSION...SCATTERED THUNDERSTORMS ACROSS THE DESERT SOUTHWEST
HAVE SHIFTED WESTWARD THROUGH THE DAY TODAY. SOME OF THIS SHIFT
IS DUE TO AN OUTFLOW BOUNDARY FROM EARLIER ACTIVITY IN AZ, WHILE
THE REMAINDER OF THE SHIFT COULD BE DUE TO A SLIGHT WESTWARD SHIFT
IN RIDGING ACROSS THE WEST CAUSED BY A SHORTWAVE OVERTOPPING THE
RIDGE ACROSS THE NORTHERN ROCKIES. RECENT HRRR RUNS HAVE HAD A
HARD TIME DEPICTING THE THUNDERSTORM EVOLUTION, WITH ITS 15Z RUN
FAVORING UT AND ITS 18Z RUN SUPPORTING THE AREAS AROUND THE DESERT
SOUTHWEST.

AN UPPER-LEVEL TROUGH NEAR THE WEST COAST HAS LED TO DIVERGENCE
ALOFT ACROSS THE REGION. THE UPPER LEVEL JET ACROSS NEVADA IS
EXPECTED TO STRENGTHEN THROUGH THE AFTERNOON INTO THE EVENING
HOURS NEAR THE NV/UT BORDER, ENHANCING DIVERGENCE WITH TIME.
PRECIPITABLE WATER VALUES OF 1-2 INCHES ACROSS THE REGION EXCEED
THE 85TH PERCENTILE FOR LATE AUGUST IN THE LAS VEGAS NV AREA,
SUPPORTIVE OF GREATER THAN NORMAL PRECIPITATION EFFICIENCY. RADAR
IMAGERY SUGGESTS THAT THE STRONGEST THUNDERSTORMS ARE DROPPING
OVER TWO INCHES OF RAIN PER HOUR, WHICH IS CAUSING LOCAL FLASH
FLOODING. RECENT SATELLITE IMAGERY INDICATES THAT MOISTURE VALUES
ARE INCREASING ACROSS THE REGION DUE TO DECENT LOW-LEVEL INFLOW
FROM THE GULF OF CALIFORNIA, WHICH IS EXPECTED TO DECREASE WITH
TIME. THE 850-250 HPA MEAN WIND SUPPORTS A GENERAL NORTHWARD
MOVEMENT TO THUNDERSTORM CELLS OF 10-15 KNOTS, THOUGH RECENT
WESTWARD PROPAGATION CAUSED BY SHIFTING MID-LEVEL RIDGING AND
OUTFLOW BOUNDARIES FROM EARLIER ACTIVITY ARE RESULTING IN A MORE
NORTHWEST MOTION.

THUNDERSTORMS APPEAR TO BE MIGRATING TOWARD A LOW-LEVEL MOISTURE
GRADIENT ACROSS CA AND NV ROUGHLY ALIGNED WITH A TROUGH
DISCERNIBLE AT 850 HPA. CAPE VALUES THROUGH THE DAY TODAY HAVE
BEEN IN THE 2000+ J/KG RANGE, SUPPORTIVE OF THUNDERSTORM
DEVELOPMENT. RECENT RUNS OF THE ARW INDICATE THE CAPE -- BOTH
SURFACE BASED AND MUCAPE -- SHOULD ERODE THROUGH THIS AFTERNOON
AND EVENING FROM NORTHEAST TO SOUTHWEST, PARTICULARLY AFTER 00Z.
REGIONAL FLASH FLOODING IS CONSIDERED POSSIBLE UNTIL 00Z, WHEN
ACTIVITY BECOMES MORE ISOLATED IN NATURE.

ROTH

...PLEASE SEE WWW.WPC.NCEP.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...TWC...SLC...PSR...VEF...LKN...SGX...

ATTN...RFC...CBRFC...CNRFC...

LAT...LON 35911428 34651445 33231379 32021255 32191497 32791609
34171707 35831710 36801668 37811582 38671413 38711229
38251186 36631367 35911428

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KSLC [242123]: Preliminary Local Storm Report

NWUS55 KSLC 242123
LSRSLC

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
322 PM MDT SAT AUG 24 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0310 PM TSTM WND GST 23 NE IBAPAH 40.28N 113.70W
08/24/2013 M64 MPH TOOELE UT MESONET

WEST SALT FLATS SENSOR DPG26


&&

$$

CRK

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MESO: Nws Weather Prediction Center College Park Md

AWUS01 KWNH 242122
FFGMPD
UTZ000-AZZ000-NVZ000-CAZ000-250014-

MESOSCALE PRECIPITATION DISCUSSION 0222...CORRECTED
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
521 PM EDT SAT AUG 24 2013

CORRECTED FOR TYPOS

AREAS AFFECTED...SOUTHWEST UT...SOUTHERN NV...NORTHWEST
AZ...SOUTHEAST CA

CONCERNING...HEAVY RAINFALL...FLASH FLOODING POSSIBLE

VALID 242114Z - 250014Z

SUMMARY...SCATTERED THUNDERSTORMS WITH HOURLY RAIN RATES EXCEEDING
TWO INCHES IN STRONGER CELLS COULD CAUSE REGIONAL FLASH FLOODING.

DISCUSSION...SCATTERED THUNDERSTORMS ACROSS THE DESERT SOUTHWEST
HAVE SHIFTED WESTWARD THROUGH THE DAY TODAY. SOME OF THIS SHIFT
IS DUE TO AN OUTFLOW BOUNDARY FROM EARLIER ACTIVITY IN AZ, WHILE
THE REMAINDER OF THE SHIFT COULD BE DUE TO A SLIGHT WESTWARD SHIFT
IN RIDGING ACROSS THE WEST CAUSED BY A SHORTWAVE OVERTOPPING THE
RIDGE ACROSS THE NORTHERN ROCKIES. RECENT HRRR RUNS HAVE HAD A
HARD TIME DEPICTING THE THUNDERSTORM EVOLUTION, WITH ITS 15Z RUN
FAVORING UT AND ITS 18Z RUN SUPPORTING THE AREAS AROUND THE DESERT
SOUTHWEST.

AN UPPER-LEVEL TROUGH NEAR THE WEST COAST HAS LED TO DIVERGENCE
ALOFT ACROSS THE REGION. THE UPPER LEVEL JET ACROSS NEVADA IS
EXPECTED TO STRENGTHEN THROUGH THE AFTERNOON INTO THE EVENING
HOURS NEAR THE NV/UT BORDER, ENHANCING DIVERGENCE WITH TIME.
PRECIPITABLE WATER VALUES OF 1-2 INCHES ACROSS THE REGION EXCEED
THE 85TH PERCENTILE FOR LATE AUGUST IN THE LAS VEGAS NV AREA,
SUPPORTIVE OF GREATER THAN NORMAL PRECIPITATION EFFICIENCY. RADAR
IMAGERY SUGGESTS THAT THE STRONGEST THUNDERSTORMS ARE DROPPING
OVER TWO INCHES OF RAIN PER HOUR, WHICH IS CAUSING LOCAL FLASH
FLOODING. RECENT SATELLITE IMAGERY INDICATES THAT MOISTURE VALUES
ARE INCREASING ACROSS THE REGION DUE TO DECENT LOW-LEVEL INFLOW
FROM THE GULF OF CALIFORNIA, WHICH IS EXPECTED TO DECREASE WITH
TIME. THE 850-250 HPA MEAN WIND SUPPORTS A GENERAL NORTHWARD
MOVEMENT TO THUNDERSTORM CELLS OF 10-15 KNOTS, THOUGH RECENT
WESTWARD PROPAGATION CAUSED BY SHIFTING MID-LEVEL RIDGING AND
OUTFLOW BOUNDARIES FROM EARLIER ACTIVITY ARE RESULTING IN A MORE
NORTHWEST MOTION.

THUNDERSTORMS APPEAR TO BE MIGRATING TOWARD A LOW-LEVEL MOISTURE
GRADIENT ACROSS CA AND NV ROUGHLY ALIGNED WITH A TROUGH
DISCERNIBLE AT 850 HPA. CAPE VALUES THROUGH THE DAY TODAY HAVE
BEEN IN THE 2000+ J/KG RANGE, SUPPORTIVE OF LARGE SCALE
THUNDERSTORM ACTIVITY. RECENT RUNS OF THE ARW INDICATE THE CAPE
-- BOTH SURFACE BASED AND MUCAPE -- SHOULD ERODE THROUGH THIS
AFTERNOON AND EVENING FROM NORTHEAST TO SOUTHWEST, PARTICULARLY
AFTER 00Z. REGIONAL FLASH FLOODING IS CONSIDERED POSSIBLE UNTIL
00Z, WHEN ACTIVITY BECOMES MORE ISOLATED IN NATURE.

ROTH

...PLEASE SEE WWW.WPC.NCEP.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...TWC...SLC...PSR...VEF...LKN...SGX...

ATTN...RFC...CBRFC...CNRFC...

LAT...LON 35911428 34651445 33231379 32021255 32191497 32791609
34171707 35831710 36801668 37811582 38671413 38711229
38251186 36631367 35911428

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MESO: Nws Weather Prediction Center College Park Md

AWUS01 KWNH 242116
FFGMPD
UTZ000-AZZ000-NVZ000-CAZ000-250014-

MESOSCALE PRECIPITATION DISCUSSION 0222
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
515 PM EDT SAT AUG 24 2013

AREAS AFFECTED...SOUTHWEST UT...SOUTHERN NV...NORTHWEST
AZ...SOUTHEAST CA

CONCERNING...HEAVY RAINFALL...FLASH FLOODING POSSIBLE

VALID 242114Z - 250014Z

SUMMARY...SCATTERED THUNDERSTORMS WITH HOURLY RAIN RATES EXCEEDING
TWO INCHES IN STRONGER CELLS COULD CAUSE REGIONAL FLASH FLOODING.

DISCUSSION...SCATTERED THUNDERSTORMS ACROSS THE DESERT SOUTHWEST
HAVE SHIFTED WESTWARD THROUGH THE DAY TODAY. SOME OF THIS SHIFT
IS DUE TO AN OUTFLOW BOUNDARY FROM EARLIER ACTIVITY IN AZ, WHILE
THE REMAINDER OF THE SHIFT COULD BE DUE TO A SLIGHT WESTWARD SHIFT
IN RIDGING ACROSS THE WEST CAUSED BY A SHORTWAVE OVERTOPPING THE
RIDGE ACROSS THE NORTHERN ROCKIES. RECENT HRRR RUNS HAVE HAD A
HARD TIME DEPICTING THE THUNDERSTORM EVOLUTION, WITH ITS 15Z RUN
FAVORING UT AND ITS 18Z RUN SUPPORTING THE AREAS AROUND THE DESERT
SOUTHWEST.

AN UPPER-LEVEL TROUGH NEAR THE WEST COAST HAS LED TO DIVERGENCE
ALOFT ACROSS THE REGION. THE UPPER LEVEL JET ACROSS NEVADA IS
EXPECTED TO STRENGTHEN THROUGH THE AFTERNOON INTO THE EVENING
HOURS NEAR THE NV/UT BORDER, ENHANCING DIVERGENCE WITH TIME.
PRECIPITABLE WATER VALUES OF 1-2 INCHES ACROSS THE REGION EXCEED
THE 85TH PERCENTILE OF LATE AUGUST IN THE LAS VEGAS NV AREA,
SUPPORTIVE OF GREATER THAN NORMAL PRECIPITATION EFFICIENCY. RADAR
IMAGERY SUGGEST THAT THE STRONGEST THUNDERSTORMS ARE DROPPING OVER
TWO INCHES OF RAIN PER HOUR, WHICH IS CAUSING LOCAL FLASH
FLOODING. RECENT SATELLITE IMAGERY INDICATES THAT MOISTURE VALUES
ARE INCREASING ACROSS THE REGION DUE TO DECENT LOW-LEVEL INFLOW
FROM THE GULF OF CALIFORNIA, WHICH IS EXPECTED TO DECREASE WITH
TIME. THE 850-250 HPA MEAN WIND SUPPORTS A GENERAL NORTHWARD
MOVEMENT TO THUNDERSTORM CELLS OF 10-15 KNOTS, THOUGH RECENT
WESTWARD PROPAGATION CAUSED BY SHIFTING MID-LEVEL RIDGING AND
OUTFLOW BOUNDARIES FROM EARLIER ACTIVITY ARE RESULTING IN A MORE
NORTHWEST MOTION.

THUNDERSTORMS APPEAR TO BE MIGRATING TOWARD A LOW-LEVEL MOISTURE
GRADIENT ACROSS CA AND NV ROUGHLY ALIGNED WITH A TROUGH VISIBLE AT
850 HPA. CAPE VALUES THROUGH THE DAY TODAY HAVE BEEN IN THE 2000+
J/KG RANGE. RECENT RUNS OF THE ARW INDICATE THE CAPE -- BOTH
SURFACE BASED AND MUCAPE -- SHOULD ERODE THROUGH THIS AFTERNOON
AND EVENING FROM NORTHEAST TO SOUTHWEST, PARTICULARLY AFTER 00Z.
REGIONAL FLASH FLOODING IS CONSIDERED POSSIBLE UNTIL 00Z, WHICH
ACTIVITY BECOMES MORE ISOLATED IN NATURE.

ROTH

...PLEASE SEE WWW.WPC.NCEP.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...TWC...SLC...PSR...VEF...LKN...SGX...

ATTN...RFC...CBRFC...CNRFC...

LAT...LON 35911428 34651445 33231379 32021255 32191497 32791609
34171707 35831710 36801668 37811582 38671413 38711229
38251186 36631367 35911428

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KGJT [242106]: Preliminary Local Storm Report

NWUS55 KGJT 242106
LSRGJT

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
306 PM MDT SAT AUG 24 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0303 PM FLASH FLOOD ARCHES NP 38.62N 109.62W
08/24/2013 GRAND UT PARK/FOREST SRVC

THE ROAD TO DELICATE ARCH ALONG SALT WASH HAS 20 INCHES
OF WATER ON IT. PEOPLE ARE STRANDED ON THE OTHER SIDE.


&&

EVENT NUMBER GJT1301411

$$

JAM

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KMLB [242028]: Preliminary Local Storm Report

NWUS52 KMLB 242028
LSRMLB

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MELBOURNE FL
428 PM EDT SAT AUG 24 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0400 PM TSTM WND GST 6 SSE WEST LAKE TOHO 28.14N 81.35W
08/24/2013 M41 MPH OSCEOLA FL MESONET

WIND GUST OF 36 KT/41 MPH FROM SOUTH FLORIDA WATER
MANAGEMENT SENSOR ID S61W.


&&

$$

JRC

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KVEF [242026]: Preliminary Local Storm Report

NWUS55 KVEF 242026
LSRVEF

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAS VEGAS NV
125 PM PDT SAT AUG 24 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

1230 AM FLASH FLOOD 8 NW SANDY VALLEY 35.88N 115.68W
08/24/2013 CLARK NV PUBLIC

SEVERAL INCHES OF WATER WITH ROCKS AND DEBRIS FLOWING
ACROSS PAHRUMP ROAD NEAR SANDY VALLEY.


&&

$$

METZGER

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MESO: Mesoscale Discussion 1765

ACUS11 KWNS 242009
SWOMCD
SPC MCD 242009
MTZ000-IDZ000-242115-

MESOSCALE DISCUSSION 1765
NWS STORM PREDICTION CENTER NORMAN OK
0309 PM CDT SAT AUG 24 2013

AREAS AFFECTED...PORTIONS OF SRN AND ERN ID...FAR SWRN MT

CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY

VALID 242009Z - 242115Z

PROBABILITY OF WATCH ISSUANCE...20 PERCENT

SUMMARY...A RISK FOR ISOLATED DMGG WIND GUSTS MAY ACCOMPANY
DEVELOPING TSTMS ACROSS SRN AND ERN ID. COVERAGE OF THE THREAT IS
EXPECTED TO REMAIN TOO SPARSE TO WARRANT A WW.

DISCUSSION...VISIBLE SATELLITE LOOPS SHOW INCREASINGLY ROBUST
CONVECTION DEVELOPING OVER THE UPPER SNAKE VALLEY OF S-CNTRL ID. THE
AIR MASS CONTINUES TO DESTABILIZE IN RESPONSE TO STRONG DIURNAL
HEATING...AND AN APPROACHING WEAK UPPER IMPULSE CURRENTLY OVER NRN
NV...WITH OBJECTIVELY ANALYZED MLCAPE VALUES ESTIMATED OVER 1000
J/KG ACROSS MOST OF SRN/ERN ID. CONVECTIVE TRENDS SUGGEST TSTM
COVERAGE SHOULD CONTINUE TO INCREASE THROUGHOUT THE
AFTERNOON...EVENTUALLY SPREADING INTO PORTIONS OF SWRN MT. 20-30 KT
OF MIDLEVEL FLOW WILL SUPPORT MARGINAL STORM ORGANIZATION...AND WITH
STEEPENING LOW-LEVEL LAPSE RATES /AS IMPLIED BY OBSERVED SFC T-TD
DEFICITS APPROACHING 40 F/...THE PRIMARY THREAT WILL BE A FEW DMGG
WIND GUSTS WITH THE STRONGEST CONVECTION. A LESSER THREAT FOR SMALL
TO MARGINALLY SVR HAIL MAY ALSO EXIST.

..ROGERS/THOMPSON.. 08/24/2013

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...TFX...PIH...MSO...BOI...

LAT...LON 45251346 45501253 45471167 45101123 44421126 43391174
42371273 42201350 42141444 42321506 42731537 43301518
43911489 44401447 44931394 45251346

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 242001
SWODY1
SPC AC 241959

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0259 PM CDT SAT AUG 24 2013

VALID 242000Z - 251200Z

...THERE IS A SLGT RISK OF SVR TSTMS ACROSS PARTS OF ERN ND AND NRN
MN...

THE ONLY CHANGE TO THE OUTLOOK FOR THIS ISSUANCE IS TO TRIM THE WRN
EDGE OF THE SLIGHT RISK AREA. THE SLIGHT RISK AREA IS NOW LOCATED
ALONG AND EAST OF THE ONGOING CONVECTION IN NERN ND. A FEW STORMS
COULD DEVELOP ACROSS NCNTRL ND BUT WEAK INSTABILITY SHOULD KEEP ANY
SEVERE THREAT MARGINAL JUST EAST OF THE MINOT VICINITY.

..BROYLES.. 08/24/2013

.PREV DISCUSSION... /ISSUED 1130 AM CDT SAT AUG 24 2013/

...SYNOPSIS...
A LARGE-SCALE UPPER RIDGE WILL ENCOMPASS MOST OF THE CONUS
TODAY...WITH UPPER DISTURBANCES ROTATING ALONG IT/S PERIPHERY ACROSS
THE INTERMOUNTAIN WEST AND NRN PLAINS. ONE SUCH UPPER WAVE WAS
LOCATED OVER PARTS OF WY/MT THIS MORNING...AND WILL CONTINUE
PROGRESSING NEWD ACROSS THE NRN PLAINS. AN ASSOCIATED COLD FRONT
WILL SPREAD EWD ACROSS ND AND MN...PROVIDING THE FOCUS FOR
CONVECTION THIS AFTERNOON AND EVENING. MEANWHILE...SEASONABLY RICH
MONSOONAL MOISTURE HAS ADVECTED NWD INTO THE SOUTHWEST AHEAD OF
TROPICAL STORM IVO...AND WILL SUPPORT SCATTERED TO WIDESPREAD
CONVECTION TODAY OVER AZ AND SERN CA.

...NRN PLAINS AND UPPER GREAT LAKES...
A SHORTWAVE UPPER TROUGH IS ADVANCING NNEWD ACROSS ERN WY AND ERN MT
THIS MORNING...WITH ELEVATED CONVECTION NOTED OVER WRN ND. A SFC
COLD FRONT IS FORECAST TO ACCELERATE EWD OUT OF WRN ND THIS
AFTERNOON. ALTHOUGH A WEAK CAPPING INVERSION WAS NOTED AROUND 1.5 KM
AGL IN THE 12Z BIS SOUNDING...STRENGTHENING FRONTAL CONVERGENCE AND
INCREASING FORCING FOR ASCENT ATTENDANT TO THE SHORTWAVE UPPER
TROUGH SHOULD BE SUFFICIENT FOR SFC-BASED CONVECTION BY
MID-AFTERNOON ACROSS CNTRL/ERN ND...PERHAPS EVOLVING OUT OF THE
ELEVATED WRN ND TSTM CLUSTER.

CLOUD COVER ASSOCIATED WITH ANOTHER AREA OF DECAYING ELEVATED
CONVECTION WILL LIKELY PERSIST ACROSS N-CNTRL ND...WITH THE
STRONGEST HEATING LIKELY TO OCCUR S AND E OF THIS AREA...WHERE
MLCAPE VALUES OF 3000-4000 J/KG WILL BE POSSIBLE LATER THIS
AFTERNOON GIVEN STEEP MIDLEVEL LAPSE RATES AND RICH BOUNDARY LAYER
MOISTURE. EVOLUTION INTO AN ORGANIZED LINE SHOULD EVENTUALLY
OCCUR...WITH PRIMARY THREATS OF DMGG WINDS AND LARGE HAIL...WHICH
COULD PERSIST INTO THE LATE EVENING OVER NWRN MN.

ADDITIONAL TSTMS MAY EVOLVE OUT OF SRN CANADA AND MOVE SEWD ACROSS
PORTIONS OF NERN MN AND THE U.P. OF MICHIGAN LATER THIS EVENING.
THIS AREA WILL BE POSITIONED ALONG THE PERIPHERY OF AN EML
PLUME...WHICH MAY SUPPORT ISOLATED INSTANCES OF LARGE HAIL AND A FEW
SVR WIND GUSTS.

...SERN ID...SWRN MT...
A WEAK SHORTWAVE UPPER TROUGH PROGRESSING ACROSS THE WRN GREAT BASIN
WILL CONTRIBUTE TO INCREASING TSTM COVERAGE THIS AFTERNOON ACROSS
PARTS OF ID AND SWRN MT. RELATIVELY RICH MOISTURE /PW AOA 0.8 INCH/
AND STRONG DAYTIME HEATING WILL YIELD MLCAPE VALES RANGING FROM
500-1500 J/KG THIS AFTERNOON. STEEPENING LOW-LEVEL LAPSE RATES AND
MIDLEVEL FLOW OF 20-30 KTS COULD SUPPORT AN ENHANCED RISK FOR
STRONG-SVR WIND GUSTS.

...AZ...SERN CA...
A PLUME OF RICH MONSOONAL MOISTURE HAS RESULTED IN PW VALUES
EXCEEDING 1.5 INCHES ACROSS MUCH OF AZ AND SERN CA. TSTM COVERAGE
SHOULD INCREASE THROUGHOUT THE AFTERNOON AND EVENING AS MLCAPE
VALUES OF 500-1000 J/KG BECOME COMMON. ALTHOUGH DEEP-LAYER SHEAR
WILL BE WEAK...STEEP LOW-LEVEL LAPSE RATES COULD SUPPORT A FEW
STRONG WIND GUSTS. HOWEVER...HEAVY RAIN WILL LIKELY BE THE PRIMARY
THREAT.

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KVEF [241937]: Preliminary Local Storm Report

NWUS55 KVEF 241937
LSRVEF

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAS VEGAS NV
1204 PM PDT SAT AUG 24 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

1055 AM FLASH FLOOD 2 WNW GOLDEN VALLEY 35.23N 114.25W
08/24/2013 MOHAVE AZ TRAINED SPOTTER

6 INCHES OF FLOWING WATER WITH ROCKS AND DEBRIS AT THE
INTERSECTION OF CHINO DRIVE AND TEDDY ROOSEVELT ROAD IN
GOLDEN VALLEY.

1155 AM HAIL 8 N PIOCHE 38.05N 114.45W
08/24/2013 E0.75 INCH LINCOLN NV TRAINED SPOTTER


&&

$$

METZGER

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KMLB [241832]: Preliminary Local Storm Report

NWUS52 KMLB 241832
LSRMLB

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MELBOURNE FL
232 PM EDT SAT AUG 24 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0225 PM HEAVY RAIN 2 SSW PORT ORANGE 29.10N 81.03W
08/24/2013 M3.15 INCH VOLUSIA FL TRAINED SPOTTER

A STORM SPOTTER IN PORT ORANGE REPORTED 3.15 INCHES OF
RAINFALL IN THE LAST 90 MINUTES.


&&

$$

ULRICH

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WATCHES: Severe Thunderstorm Watch Number 496

WWUS20 KWNS 241815
SEL6
SPC WW 241815
MNZ000-NDZ000-250100-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 496
NWS STORM PREDICTION CENTER NORMAN OK
115 PM CDT SAT AUG 24 2013

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
NORTHWESTERN MINNESOTA
NORTHEASTERN NORTH DAKOTA

* EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 115 PM UNTIL
800 PM CDT.

* PRIMARY THREATS INCLUDE...
SEVERAL LARGE HAIL EVENTS WITH A FEW VERY LARGE HAIL EVENTS TO 2
INCHES IN DIAMETER POSSIBLE
SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 110
STATUTE MILES EAST AND WEST OF A LINE FROM 25 MILES NORTHWEST OF
HALLOCK MINNESOTA TO 60 MILES SOUTH OF DEVILS LAKE NORTH DAKOTA.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU6).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.

&&

DISCUSSION...STORMS ARE EXPECTED TO INCREASE IN COVERAGE AND
INTENSITY FROM NORTHEASTERN NORTH DAKOTA INTO NORTHWESTERN MINNESOTA
ALONG AND OUTFLOW BOUNDARY AND PRE-FRONTAL CONFLUENCE ZONE.
MODERATE-STRONG INSTABILITY WITH MLCAPE FROM 2000-3000 J/KG AND
25-35 KT EFFECTIVE SHEAR WILL SUPPORT BOTH MULTICELL AND SOME
SUPERCELL STRUCTURES WITH ACTIVITY POSSIBLY EVOLVING INTO
CLUSTERS/LINES THIS EVENING. DAMAGING WIND AND LARGE HAIL WILL BE
THE MAIN THREATS.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 25025.


...DIAL

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KFFC [241813]: Preliminary Local Storm Report...corrected

NWUS52 KFFC 241813
LSRFFC

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
213 PM EDT SAT AUG 24 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

1100 PM FLASH FLOOD JEFFERSON 34.12N 83.57W
08/23/2013 JACKSON GA EMERGENCY MNGR

DOWNTOWN AREA FLOODED WITH DAMAGE TO JEFFERSON FORD WHERE
AT LEAST 10 CARS AND THE REPAIR SHOP WERE FLOODED.
REGIONS BANK HAD FLOODING IN THE FRONT TELLER AREA.


&&

$$

TDP

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MESO: Nws Weather Prediction Center College Park Md

AWUS01 KWNH 241810
FFGMPD
UTZ000-AZZ000-NVZ000-CAZ000-242100-

MESOSCALE PRECIPITATION DISCUSSION 0221
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
208 PM EDT SAT AUG 24 2013

AREAS AFFECTED...SOUTHEAST CA...SOUTHEAST NV...WESTERN
AZ...SOUTHWEST UT

CONCERNING...HEAVY RAINFALL...FLASH FLOODING POSSIBLE

VALID 241800Z - 242100Z

SUMMARY...MCS GRADUALLY WEAKENING OVER AZ...BUT ADDITIONAL
CONVECTIVE DEVELOPMENT EXPECTED THROUGH EARLY AFTERNOON.
SLOW-MOVING CLUSTERS OF CONVECTION WITH INTENSE RAINFALL RATES
LIKELY WITH ADDITIONAL FLASH FLOODING POSSIBLE.

DISCUSSION...THE LATEST IR SAT IMAGERY SHOWS A DECAYING MCS OVER W
CNTRL AZ ATTM...WITH A FAIRLY BROAD AREA OF MDT TO LOCALLY HVY
RAINFALL...ESP WITHIN SOME OF THE REMAINING STRONGER CONVECTIVE
CORES. THIS MCS HAS PRODUCED A RATHER WELL-DEFINED COLD POOL WHICH
HAS BEEN FOSTERING ADDITIONAL SLOW-MOVING AND OCCASIONALLY
BACK-BUILDING CONVECTIVE CLUSTERS AROUND ITS WRN FLANK IN FAR WRN
AZ...EXTREME SERN CA AND EXTREME SOUTHERN NV. CONCERN IS THAT THIS
ACTIVITY COULD GROW IN ORGANIZATION OVER THE NEXT COUPLE HOURS AS
STRONGER DIURNAL HEATING HELPS TO DRIVE MDT TO STRONG SFC-BASED
INSTABILITY ADJACENT THE COLD POOL. LATEST RAP ANALYSIS SHOWS A
WELL-DEFINED INSTABILITY AXIS ORIENTED FROM FAR SERN CA NNEWD INTO
EASTERN NV AND CNTRL/WRN UT. LATEST RAP ANALYSIS ALREADY SHOWS IN
EXCESS OF 2000 J/KG OF CAPE LOCALLY AND THIS SHOULD CONTINUE TO
INCREASE.

RAINFALL RATES OF 1.5 TO 2 INCHES/HR ARE EXPECTED...AND COULD BE
LOCALLY HIGHER INVOF OF CELL MERGERS WHICH WAS OF NOTE THIS
MORNING IN CNTRL/WRN AZ. GIVEN THESE RAINFALL RATES...FLASH
FLOODING WILL CONTINUE TO BE POSSIBLE.

ORRISON

...PLEASE SEE WWW.WPC.NCEP.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...FGZ...SLC...PSR...VEF...LKN...

ATTN...RFC...CBRFC...CNRFC...

LAT...LON 38791166 36671246 35841249 34761190 33551203 32721291
32761403 33581502 35151582 36911570 38881441 39631276
38791166

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KFFC [241806]: Preliminary Local Storm Report...summary

NWUS52 KFFC 241806
LSRFFC

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
206 PM EDT SAT AUG 24 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0700 PM TSTM WND DMG 6 S MACON 32.75N 83.66W
08/23/2013 BIBB GA DEPT OF HIGHWAYS

TREES DOWN ACROSS ROAD BLOCKING BOTH LANES. NEAR AVONDALE
MILL ROAD.

0707 PM TSTM WND DMG 2 SE MOUNTAIN HILL 32.68N 84.99W
08/23/2013 HARRIS GA 911 CALL CENTER

THE HARRIS COUNTY 911 CENTER REPORTED ONE TREE DOWN ON
MOUNTAIN HILL ROAD.

0730 PM FLASH FLOOD 3 NNE PRINGLE 32.83N 82.61W
08/23/2013 WASHINGTON GA 911 CALL CENTER

THE WASHINGTON COUNTY 911 CENTER REPORTED WATER RUNNING
OVER THE ROAD AT BARTOW DUBLIN ROAD AND NEW BETHEL ROAD
AND HWY 24E NEAR THE JEFFERSON COUNTY LINE.

0745 PM LIGHTNING 4 SSW CENTERVILLE 32.58N 83.70W
08/23/2013 HOUSTON GA EMERGENCY MNGR

THE HOUSTON COUNTY EMERGENCY MANAGER REPORTED A LIGHTNING
STRIKE TO A HOUSE ON HALINDON DRIVE.

0750 PM TSTM WND DMG 4 W WRIGHTSVILLE 32.72N 82.78W
08/23/2013 JOHNSON GA EMERGENCY MNGR

THE JOHNSON COUNTY EMERGENCY MANAGER REPORTED TREES AND
POWER LINES DOWN ON TUCKER GROVE CHURCH ROAD...GA HWY
57...US 319...OLD BUCKEYE ROAD AND NEW BUCKEYE ROAD.

0800 PM FLASH FLOOD 2 NNW WARNER ROBINS 32.65N 83.65W
08/23/2013 HOUSTON GA EMERGENCY MNGR

THE HOUSTON COUNTY EMERGENCY MANAGER REPORTED WATER
RUNNING OVER DUNBAR ROAD AND MINNIE LANE AND DUNBAR ROAD
AND FAIRGROUNDS BLVD.

0800 PM TSTM WND DMG 6 N EAST DUBLIN 32.63N 82.88W
08/23/2013 LAURENS GA EMERGENCY MNGR

SEVERAL TREES BLOWN DOWN ALONG BUCKEYE ROAD.

0830 PM TSTM WND DMG 4 ESE CHAPPELLS MILL 32.64N 82.98W
08/23/2013 LAURENS GA 911 CALL CENTER

THE LAURENS COUNTY 911 CENTER REPORTED ONE TREE DOWN ON
TOOMSBORO ROAD.

0835 PM TSTM WND DMG 5 NE DUDLEY 32.60N 83.01W
08/23/2013 LAURENS GA EMERGENCY MNGR

SEVERAL TREES DOWN ALONG HIGHWAY 338.

0900 PM FLASH FLOOD ESE DUDLEY 32.54N 83.07W
08/23/2013 LAURENS GA EMERGENCY MNGR

WATER RUNNING ACROSS THE ROADWAY ALONG HIGHWAY 338 AND

LORD ROAD FROM NEARBY CREEK. BOTH ROADS HAD TO BE CLOSED.

0913 PM HEAVY RAIN MACON 32.83N 83.64W
08/23/2013 M3.39 INCH BIBB GA BROADCAST MEDIA

MEASURED AT PLUM AND MLK BLVD IN DOWNTOWN MACON. IS
ROUGHLY A 2 HOUR TOTAL.

1045 PM TSTM WND DMG JEFFERSON 34.12N 83.57W
08/23/2013 JACKSON GA EMERGENCY MNGR

ESTIMATED 75-80 TREES DOWN...MAINLY IN THE JEFFERSON AND
ARCADE AREA. 10 HOUSES DAMAGED...MOST WITH TREES ON THEM
BUT A COUPLE WITH WINDOWS BLOWN OUT FROM THE STRONG WINDS
ALONE. MULTIPLE POWER LINES DOWN AS WELL. MOST OF THE
DAMAGE WAS ALONG JETT ROBERTS ROAD INTO DOWNTOWN
JEFFERSON AND ALONG JOHNSON MILL ROAD IN ARCADE.

1100 PM FLASH FLOOD JEFFERSON 34.12N 83.57W
08/23/2013 JACKSON GA EMERGENCY MNGR

DOWNTOWN AREA FLOODED WITH DAMAGE TO JEFFERSON FORD WHERE
AT LEAST 10 CARS AND THE REPAIR SHOP WERE FLOODED.
REGIONS BANK HAD FLOODING IN TEH FRONT TELLER AREA.

1100 PM TSTM WND DMG WINDER 33.99N 83.72W
08/23/2013 BARROW GA EMERGENCY MNGR

*** 1 INJ *** 9 TREES DOWN...TWO ON HOUSES. ONE ON
NUNALLY ROAD...ONE ON SOLOMON DRIVE. A RESIDENT ON
NUNALLY ROAD HAD MINOR INJURIES. RED CROSS WAS CALLED FOR
THE SOLOMAN DRIVE RESIDENCE.


&&

$$

TDP

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MESO: Mesoscale Discussion 1764

ACUS11 KWNS 241738
SWOMCD
SPC MCD 241738
MNZ000-NDZ000-241915-

MESOSCALE DISCUSSION 1764
NWS STORM PREDICTION CENTER NORMAN OK
1238 PM CDT SAT AUG 24 2013

AREAS AFFECTED...CENTRAL/NE ND AND NW MN

CONCERNING...SEVERE POTENTIAL...WATCH LIKELY

VALID 241738Z - 241915Z

PROBABILITY OF WATCH ISSUANCE...80 PERCENT

SUMMARY...SURFACE-BASED THUNDERSTORM DEVELOPMENT IS EXPECTED IN THE
NEXT COUPLE OF HOURS /BY ABOUT 19Z/...BY WHICH TIME A SEVERE
THUNDERSTORM WATCH IS LIKELY.

DISCUSSION...SUPER RAPID SCAN VISIBLE LOOPS SHOW THE DEVELOPMENT OF
BOUNDARY LAYER CUMULUS ACROSS CENTRAL ND...NEAR THE INTERSECTION OF
A SURFACE TROUGH AND THE COLD POOL WITH THE ONGOING STORMS NW OF
BIS. STRONG SURFACE HEATING AND CONTINUED MOISTENING HAVE BOOSTED
MLCAPE VALUES TO 2500-3000 J/KG AS CONVECTIVE INHIBITION WEAKENS
ACROSS CENTRAL ND. THUS...THE RISK FOR SURFACE-BASED STORM
DEVELOPMENT IS INCREASING EARLY THIS AFTERNOON. ONCE NEW STORMS
FORM...THE ENVIRONMENT WILL SUPPORT ORGANIZED CLUSTERS/LINE
SEGMENTS. THE KBIS VWP ALSO SAMPLED MIDLEVEL FLOW OF 40-50
KT...WHICH WILL CONTRIBUTE TO SUFFICIENT DEEP-LAYER VERTICAL SHEAR
FOR SOME RISK OF SUPERCELLS. REGARDLESS...CONVECTION APPEARS LIKELY
TO EVOLVE INTO A LINE/SMALL MCS LATER THIS AFTERNOON/EVENING...WITH
AN ACCOMPANYING RISK FOR DAMAGING WINDS AND LARGE HAIL. AS A
RESULT...A SEVERE THUNDERSTORM WATCH WILL LIKELY BE NEEDED BY ABOUT
19Z.

..THOMPSON/DIAL.. 08/24/2013

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...FGF...BIS...

LAT...LON 48969599 48439595 47379696 46739848 46660025 46810067
47180077 47660012 47879996 48379970 48769949 49019899
48969599

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DAY2SVR: Nws Storm Prediction Center Norman Ok

ACUS02 KWNS 241718
SWODY2
SPC AC 241716

DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1216 PM CDT SAT AUG 24 2013

VALID 251200Z - 261200Z

...NO SVR TSTM AREAS FORECAST...

...UPPER MS VALLEY/WRN GREAT LAKES...
AN UPPER-LEVEL RIDGE WILL BE IN PLACE ACROSS THE UPPER MS VALLEY ON
SUNDAY AS AN IMPULSE MOVES EWD ACROSS THE TOP OF THE RIDGE. THIS
FEATURE IS FORECAST TO MOVE INTO THE UPPER GREAT LAKES SUNDAY
MORNING. ELEVATED THUNDERSTORMS COULD BE ONGOING NEAR THE SUBTLE
SHORTWAVE TROUGH ASSOCIATED WITH A 40 TO 55 KT LOW-LEVEL JET. AS THE
CONVECTION MOVES EWD AWAY FROM A MOIST AXIS...MODERATE
DESTABILIZATION APPEARS LIKELY FROM ERN MN ENEWD INTO THE UPPER
PENINSULA OF MI. THUNDERSTORMS SHOULD DEVELOP ALONG A COLD FRONT
MOVING SEWD ACROSS THE UPPER MS VALLEY SUNDAY AFTERNOON. FORECAST
SOUNDINGS AT 21Z FROM MINNEAPOLIS MN NEWD TO MARQUETTE MI SHOW
MLCAPE AROUND 2000 J/KG WITH 30 TO 40 KT OF DEEP LAYER SHEAR WHICH
SHOULD BE SUFFICIENT FOR AT LEAST A MARGINAL SEVERE THREAT. AS
LOW-LEVEL LAPSE RATES STEEPEN DURING THE EARLY TO MID
AFTERNOON...STRONG WIND GUSTS WILL BE POSSIBLE AS MULTICELLS
INCREASE IN COVERAGE ALONG THE FRONT. HAIL COULD ALSO OCCUR WITH THE
STRONGER UPDRAFTS. ANY SEVERE THREAT SHOULD BE INCREASINGLY ISOLATED
WITH WWD EXTENT DUE TO WARM AIR ALOFT BENEATH THE UPPER-LEVEL RIDGE.

..BROYLES.. 08/24/2013

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