Thursday, August 28, 2008

KDLH [282224]: Preliminary Local Storm Report

NWUS53 KDLH 282224
LSRDLH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DULUTH MN
524 PM CDT THU AUG 28 2008

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

0515 PM HAIL DULUTH 46.78N 92.12W
08/28/2008 M1.00 INCH ST. LOUIS MN NWS EMPLOYEE

QUARTER SIZED HAIL COVERING THE GROUND IN THE WOODLAND
NEIGHBORHOOD


&&

$$

SGOHDE

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KDLH [282223]: Preliminary Local Storm Report

NWUS53 KDLH 282223
LSRDLH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DULUTH MN
523 PM CDT THU AUG 28 2008

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

0522 PM HAIL DULUTH 46.78N 92.12W
08/28/2008 E1.00 INCH ST. LOUIS MN AMATEUR RADIO

LESTER PARK


&&

$$

SWANNEBO

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KDLH [282219]: Preliminary Local Storm Report

NWUS53 KDLH 282219
LSRDLH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DULUTH MN
519 PM CDT THU AUG 28 2008

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

0510 PM HAIL DULUTH 46.78N 92.12W
08/28/2008 E1.00 INCH SOUTHEAST ST. LOUI MN TRAINED SPOTTER

WEST DULUTH...63RD AVENUE.


&&

$$

BETTWY

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KDLH [282219]: Preliminary Local Storm Report

NWUS53 KDLH 282219
LSRDLH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DULUTH MN
515 PM CDT THU AUG 28 2008

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

0505 PM HAIL DULUTH 46.78N 92.12W
08/28/2008 M0.75 INCH ST. LOUIS MN NWS EMPLOYEE

PENNY SIZED HAIL COVERING THE GROUND IN WOODLAND
NEIGHBORHOOD.


&&

$$

SGOHDE

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KDLH [282208]: Preliminary Local Storm Report

NWUS53 KDLH 282208
LSRDLH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DULUTH MN
507 PM CDT THU AUG 28 2008

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

0459 PM HAIL HERMANTOWN 46.81N 92.24W
08/28/2008 M0.75 INCH ST. LOUIS MN NWS EMPLOYEE


&&

$$

SGOHDE

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KDLH [282205]: Preliminary Local Storm Report

NWUS53 KDLH 282205
LSRDLH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DULUTH MN
505 PM CDT THU AUG 28 2008

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

0430 PM HAIL 4 NE CLOQUET 46.77N 92.43W
08/28/2008 M0.75 INCH CARLTON MN TRAINED SPOTTER


&&

$$

SGOHDE

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KDLH [282202]: Preliminary Local Storm Report

NWUS53 KDLH 282202
LSRDLH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DULUTH MN
502 PM CDT THU AUG 28 2008

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

0450 PM HAIL 6 N CLOQUET 46.82N 92.49W
08/28/2008 M1.00 INCH ST. LOUIS MN TRAINED SPOTTER


&&

$$

SGOHDE

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KEAX [282154]: Preliminary Local Storm Report

NWUS53 KEAX 282154
LSREAX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
454 PM CDT THU AUG 28 2008

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

0452 PM HAIL AVENUE CITY 39.88N 94.78W
08/28/2008 E0.88 INCH ANDREW MO EMERGENCY MNGR


&&

$$

GAMIS

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KEAX [282147]: Preliminary Local Storm Report

NWUS53 KEAX 282147
LSREAX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
447 PM CDT THU AUG 28 2008

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

0440 PM TSTM WND GST COFFEY 40.11N 94.01W
08/28/2008 E60 MPH DAVIESS MO PUBLIC


&&

$$

21

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KDLH [282117]: Preliminary Local Storm Report

NWUS53 KDLH 282117
LSRDLH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DULUTH MN
417 PM CDT THU AUG 28 2008

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

0405 PM HAIL FLOODWOOD 46.93N 92.92W
08/28/2008 M0.88 INCH ST. LOUIS MN CO-OP OBSERVER

HAIL COVERING THE GROUND.


&&

$$

MBETTWY

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KFGF [282037]: Preliminary Local Storm Report

NWUS53 KFGF 282037
LSRFGF

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
336 PM CDT THU AUG 28 2008

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

1230 AM HAIL 2 S CHRISTINE 46.55N 96.81W
08/27/2008 E0.75 INCH RICHLAND ND PUBLIC

MEASURED 1.10 INCHES OF RAIN BETWEEN 1220 AM AND 1245 AM.

&&

$$

ROGERS

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WATCHES: Severe Thunderstorm Watch Number 871

WWUS20 KWNS 282022
SEL1
SPC WW 282022
IAZ000-KSZ000-MOZ000-290400-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 871
NWS STORM PREDICTION CENTER NORMAN OK
325 PM CDT THU AUG 28 2008

THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

PARTS OF SOUTHERN IOWA
PARTS OF EASTERN KANSAS
MUCH OF NORTHERN MISSOURI

EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 325 PM UNTIL
1100 PM CDT.

HAIL TO 2.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 85
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 15 MILES WEST OF
TOPEKA KANSAS TO 60 MILES EAST NORTHEAST OF KIRKSVILLE MISSOURI.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU1).

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...AIR MASS AHEAD OF WEAK COLD FRONT IS NOW VERY UNSTABLE
AND WEAKLY CAPPED. THUNDERSTORMS WILL DEVELOP RAPIDLY BOTH ALONG
AND TO THE N OF THE FRONT REMAINDER OF AFTERNOON. WITH SHEAR OF
25-30KT PRIMARY THREAT WILL BE MULTICELLULAR WITH ISOLATED
SUPERCELLS. LARGE HAIL AND LOCAL DAMAGING WINDS WILL BE THE MAIN
CONCERN AS STORMS DEVELOP E AND SE THRU THE EVENING.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM
MOTION VECTOR 27025.


...HALES

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KDLH [282004]: Preliminary Local Storm Report

NWUS53 KDLH 282004
LSRDLH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DULUTH MN
304 PM CDT THU AUG 28 2008

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

0245 PM HAIL 2 N WIRT 47.76N 93.96W
08/28/2008 M0.75 INCH ITASCA MN TRAINED SPOTTER

0258 PM HAIL 2 E HILL CITY 46.99N 93.55W
08/28/2008 E0.88 INCH AITKIN MN TRAINED SPOTTER


&&

$$

BETTWY

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MESO: Mesoscale Discussion 2182

ACUS11 KWNS 281949
SWOMCD
SPC MCD 281948
ILZ000-IAZ000-MOZ000-KSZ000-282115-

MESOSCALE DISCUSSION 2182
NWS STORM PREDICTION CENTER NORMAN OK
0248 PM CDT THU AUG 28 2008

AREAS AFFECTED...NE KS...N MO...SE IA...NW IL

CONCERNING...SEVERE POTENTIAL...WATCH LIKELY

VALID 281948Z - 282115Z

SFC-BASED TSTM INITIATION WILL LIKELY TAKE PLACE AFT 21Z FROM NE KS
NEWD INTO N MO AND THEN PERHAPS INTO SE IA/NW IL BY EVENING. A WW
WILL LIKELY BE REQUIRED BEFORE 21Z.

PRE-FRONTAL TROUGH HAS BEEN STEADILY MOVING SEWD AND AT 19Z EXTENDED
FROM E IA SWWD INTO THE KANSAS CITY METRO AREA THEN INTO CNTRL KS.
STRONGEST MASS CONVERGENCE ALONG THIS FEATURE WAS SHIFTING NEWD INTO
THE KANSAS CITY AREA INTO NRN MO ALONG NE EXTENT OF A LOW-LVL
THETA-E RIDGE. WITH THE AREA EXPERIENCING FULL SUNSHINE...SFC TEMPS
HAVE RISEN WELL INTO THE LWR-MID 90S AND LATEST ASCENDING ACARS
SOUNDING CONTINUES TO SUPPORT AN UPR 90S CONVECTIVE TEMP. A COUPLE
MORE DEGREES RISE IN THE SFC TEMP AND CONTINUED MODEST MASS
CONVERGENCE SHOULD CONTRIBUTE TO SFC-BASED TSTM DEVELOPMENT AFT 21Z
VCNTY THE PRE-FRONTAL TROUGH FROM NE KS INTO NRN MO.
MEANWHILE...SLIGHTLY ELEVATED TSTM CLUSTER ACROSS THE TRI-STATE OF
IA/MO/NEB MAY ALSO PRODUCE LARGE HAIL AS IT PROGRESSES EWD ALONG THE
MO/IA BORDER THROUGH EARLY EVENING.

STRONGEST VERTICAL SHEAR...ALONG SRN PERIPHERY OF A MID-LVL WAVE
MOVING THROUGH THE CORN BELT...WAS LOCATED ACROSS THE KS/NEB AND
IA/MO BORDER...SLIGHTLY OFFSET FROM WHERE SFC-BASED STORMS ARE
EXPECTED TO DEVELOP. NONETHELESS...MAGNITUDE OF LAPSE RATES WILL
CONTRIBUTE TO RAPID UPDRAFT ACCELERATION WITH INITIAL CELLS POSSIBLY
DEVELOPING INTO SUPERCELLS WITH LARGE HAIL AND DMGG WIND
GUSTS...PARTICULARLY OVER NRN MO/SE IA.

THIS EVENING...ACTIVITY SHOULD DEVELOP ENE ALONG THE APCHG FRONT
INTO SE IA/NW IL WITH DMGG WINDS/HAIL REMAINING A THREAT.
ADDITIONAL STORM DEVELOPMENT MAY OCCUR ON THE SW FLANK INTO EC
KS/WCNTRL MO WITHIN STRONGEST INSTABILITY AXIS.

..RACY.. 08/28/2008

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

ATTN...WFO...ILX...LSX...DVN...DMX...EAX...TOP...

40929056 40039104 38849311 38469448 38399605 39309666
39719584 41119280 41619095 41599008

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 281945
SWODY1
SPC AC 281942

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0242 PM CDT THU AUG 28 2008

VALID 282000Z - 291200Z

...THERE IS A SLGT RISK OF SVR TSTMS OVER PARTS OF THE UPPER MIDWEST
INTO CNTRL PLAINS...

...THERE IS A SLGT RISK OF SVR TSTMS OVER NERN MN AND FAR NWRN WI...

...THERE IS A SLGT RISK OF SVR TSTMS OVER PARTS OF CNTRL/SRN AZ...

...UPPER GREAT LAKES INTO CNTRL PLAINS...

SURFACE COLD FRONT CURRENTLY FROM NERN WI SWWD INTO CNTRL KS WILL
CONTINUE EWD/SEWD THIS AFTERNOON AND TONIGHT IN ADVANCE OF STRONG
SHORT WAVE TROUGH MOVING THROUGH THE UPPER MS VALLEY. PRE-FRONTAL
AIR MASS IS MOIST WITH DEWPOINTS IN THE 60S TO LOWER 70S. THIS
MOISTURE COINCIDES WITH AN EML/STEEP LAPSE RATE PLUME ACCOMPANYING
MIDLEVEL TROUGH WITH ENVIRONMENT OVER SRN IA...WRN/CNTRL MO AND
CNTRL/ERN KS ALREADY MODERATELY UNSTABLE WITH MLCAPES OF 2000-2500
J/KG. FARTHER N...MORE PERSISTENT/WIDESPREAD CLOUDINESS OVER WI/MI
HAS LIMITED DIABATIC HEATING AND RESULTANT DESTABILIZATION
ALONG/AHEAD OF FRONT. THE EXCEPTION IS OVER NRN/CNTRL MN INTO WRN
WI WHERE STRONG DAYTIME HEATING COMBINED WITH COLD MIDLEVEL
TEMPERATURES OF AROUND -20 C AT 500 MB ARE RESULTING IN STEEP LAPSE
RATES AND MLCAPES OF 500-1000 J/KG.

A SHORT BAND OF ELEVATED STORMS HAS DEVELOPED OVER THE PAST COUPLE
OF HOURS ACROSS SERN NEB WITHIN ZONE OF ENHANCED MESOSCALE LIFT
ALONG SLOPED FRONTAL ZONE. WITH TIME...ADDITIONAL SURFACE-BASED
STORM DEVELOPMENT IS EXPECTED ALONG THE FRONT OVER FAR SRN IA...NRN
MO INTO NERN/CNTRL KS. REGIONAL PROFILERS INDICATE A NOTABLE
GRADIENT IN MIDLEVEL WIND SPEEDS WITH 50-60 KT FLOW ACROSS CNTRL
IA...DECREASING TO 30 KT OVER CNTRL MO AND 10-15 KT IN CNTRL KS. AS
SUCH...THE GREATEST POTENTIAL FOR ORGANIZED/ROTATING STORMS APPEARS
TO BE ALONG FRONTAL SEGMENT OVER SRN IA/NRN MO...AND MORE N-S
ORIENTED OUTFLOW BOUNDARY OVER SERN IA INTO NERN MO. LARGE HAIL AND
DAMAGING WINDS APPEAR TO BE THE PRIMARY HAZARDS WITH THE MOST
INTENSE STORMS.

OVER WI/MI...LARGE-SCALE FORCING FOR ASCENT ASSOCIATED WITH MIDLEVEL
TROUGH OVERSPREADING FRONTAL ZONE WILL LIKELY SUPPORT SCATTERED TSTM
DEVELOPMENT THIS AFTERNOON INTO EVENING. DESPITE THE LIMITED
HEATING/INSTABILITY...ANY MORE SUSTAINED STORMS WILL BE CAPABLE OF
HIGH WINDS AND HAIL GIVEN THE RELATIVELY STRONG DEEP-LAYER SPEED
SHEAR. ELSEWHERE...STORMS DEVELOPING OVER NRN MN IN STEEP LAPSE
RATE ENVIRONMENT WILL POSE A SEVERE HAIL THREAT GIVEN THE RELATIVELY
COOL THERMODYNAMIC PROFILE. FOR ADDITIONAL NEAR TERM GUIDANCE ON
THIS AREA...SEE MCD 2181.

...SRN AZ/SERN CA...

CLUSTERS OF TSTMS ARE IN PROGRESS EARLY THIS AFTERNOON ALONG THE
INTERNATIONAL BORDER S OF GBN APPARENTLY IN ASSOCIATION WITH
MIDLEVEL SHEAR ZONE SITUATED OVER THE AREA. OTHER STORMS ARE LIKELY
TO DEVELOP TODAY ALONG THE MOGOLLON RIM WITHIN A STEEP LAPSE RATE
AND RELATIVELY MOIST ENVIRONMENT WHERE MLCAPES HAVE INCREASED TO
1000-2000 J/KG. CURRENT VWPS INDICATE MODEST ENELY WINDS ABOVE 2 KM
WHICH MAY SUPPORT THE WWD/SWWD PROPAGATION OF ANY TSTM CLUSTERS
DEVELOPING OVER THE HIGH TERRAIN. LOCALLY DAMAGING WIND GUSTS WILL
BE THE PRIMARY SEVERE THREAT...THOUGH SOME HAIL IS POSSIBLE.

..MEAD.. 08/28/2008

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MESO: Mesoscale Discussion 2181

ACUS11 KWNS 281909
SWOMCD
SPC MCD 281909
MIZ000-MNZ000-WIZ000-282045-

MESOSCALE DISCUSSION 2181
NWS STORM PREDICTION CENTER NORMAN OK
0209 PM CDT THU AUG 28 2008

AREAS AFFECTED...N AND CNTRL MN...NW WI

CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY

VALID 281909Z - 282045Z

SCTD TSTMS DVLPG OVER N AND CNTRL MN WILL LIKELY PRODUCE LARGE HAIL
AS THEY TRANSLATE EWD INTO NW WI AND WRN LKSUP LATER THIS AFTN. WW
IS NOT EXPECTED.

SFC DEW POINTS IN THE UPR 50S/NEAR 60F BENEATH H5 TEMPS OF MINUS 18
TO MINUS 20 DEG C COUPLED WITH STRONG INSOLATION HAVE CONTRIBUTED TO
MODEST BUOYANCY ACROSS THE REGION EARLY THIS AFTN /MLCAPES AROUND
1000 J PER KG/. MAGNITUDE OF LAPSE RATES BELOW H7...LOW WBZ LEVELS
AND EFFECTIVE SHEAR NEAR 40 KTS SUGGEST THAT LARGE HAIL WILL EASILY
BE PRODUCED WITH THE STRONGER CELLS.

GREATER COVERAGE/INTENSITY OF TSTMS SHOULD EXIST ACROSS NC...NE AND
ECNTRL MN INTO FAR NW WI/WRN LKSUP REGION THROUGH EARLY
EVENING...ALONG CYCLONIC SIDE OF THE 65+ KT H5 JET. GUSTY WINDS MAY
ALSO ACCOMPANY THE STORMS.

UPDATED 20Z OTLK WILL INCORPORATE A SMALL 15 PERCENT HAIL THREAT
OVER PORTIONS OF NE MN AND PERHAPS FAR NW WI/WRN LKSUP REGION.

..RACY.. 08/28/2008

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

ATTN...WFO...MQT...DLH...MPX...FGF...FSD...

49709479 50239194 49188969 48628919 47478954 46169049
44759174 44229329 44029417 44199515 45529547 47259575
48369548

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KDVN [281852]: Preliminary Local Storm Report...corrected

NWUS53 KDVN 281852
LSRDVN

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
152 PM CDT THU AUG 28 2008

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

0146 PM HEAVY RAIN 4 SE MUSCATINE 41.37N 91.02W
08/28/2008 M1.50 INCH ROCK ISLAND IL TRAINED SPOTTER

DELAYED REPORT


&&

$$

DLF

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KTWC [281848]: Preliminary Local Storm Report...corrected

NWUS55 KTWC 281848
LSRTWC

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE TUCSON AZ
1147 AM MST THU AUG 28 2008

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

1118 AM FLASH FLOOD W GU VO 32.06N 112.56W
08/28/2008 PIMA AZ FIRE DEPT/RESCUE

ROOF DAMAGE IN GU VO. ADDITIONAL INFORMATION INDICATED
THE ROOF DAMAGE WAS CAUSED BY HEAVY RAINS LAST NIGHT...
AND ADDITIONAL HEAVY RAIN THIS MORNING. DAMAGE WAS NOT
CAUSED BY THUNDERSTORM WINDS.


&&

$$

MSHERWOO

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KDVN [281847]: Preliminary Local Storm Report

NWUS53 KDVN 281847
LSRDVN

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
147 PM CDT THU AUG 28 2008

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

0146 PM HEAVY RAIN 2 E EAST MOLINE 41.51N 90.38W
08/28/2008 M1.50 INCH ROCK ISLAND IL TRAINED SPOTTER

DELAYED REPORT


&&

$$

DLF

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KDVN [281837]: Preliminary Local Storm Report

NWUS53 KDVN 281837
LSRDVN

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
137 PM CDT THU AUG 28 2008

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

0137 PM HEAVY RAIN 2 WNW CEDAR RAPIDS 41.98N 91.70W
08/28/2008 M1.80 INCH LINN IA TRAINED SPOTTER

STORM TOTAL. DELAYED REPORT.


&&

$$

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KDVN [281834]: Preliminary Local Storm Report

NWUS53 KDVN 281834
LSRDVN

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
134 PM CDT THU AUG 28 2008

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

0133 PM HEAVY RAIN 1 SSE CEDAR RAPIDS 41.96N 91.66W
08/28/2008 M1.90 INCH LINN IA TRAINED SPOTTER

DELAYED REPORT


&&

$$

DLF

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KTWC [281830]: Preliminary Local Storm Report

NWUS55 KTWC 281830
LSRTWC

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TUCSON AZ
1129 AM MST THU AUG 28 2008

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

1128 AM TSTM WND DMG W GU VO 32.06N 112.56W
08/28/2008 PIMA AZ FIRE DEPT/RESCUE

1 HOME ROOF DAMAGED WITH PASSAGE OF STORM.


&&

$$

MSHERWOO

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KKEY [281745]: Preliminary Local Storm Report

NWUS52 KKEY 281745
LSRKEY

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
144 PM EDT THU AUG 28 2008

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

0100 PM WATER SPOUT 3 S RAMROD KEY 24.62N 81.41W
08/28/2008 GMZ054 FL TRAINED SPOTTER

A TRAINED SPOTTER OBSERVED A FUNNEL CLOUD OVER HAWK
CHANNEL SOUTH OF RAMROD KEY. DURATION UNKNOWN.


&&

$$

KASPER

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KDVN [281732]: Preliminary Local Storm Report

NWUS53 KDVN 281732
LSRDVN

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1232 PM CDT THU AUG 28 2008

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

1231 PM HEAVY RAIN 1 ESE MUSCATINE 41.41N 91.06W
08/28/2008 M2.75 INCH MUSCATINE IA TRAINED SPOTTER

STORM TOTAL. DELAYED REPORT.


&&

$$

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KFSD [281719]: Preliminary Local Storm Report

NWUS53 KFSD 281719
LSRFSD

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1219 PM CDT THU AUG 28 2008

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

0350 AM HAIL 8 NNW HARRISON 43.54N 98.62W
08/28/2008 E0.75 INCH AURORA SD TRAINED SPOTTER

1015 PM TSTM WND GST 2 NNE SIOUX CITY 42.53N 96.39W
08/27/2008 E60 MPH WOODBURY IA BROADCAST MEDIA

SEVERAL TREES DOWN AND CHIMNEY KNOCKED DOWN


&&

$$

PS

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DAY2SVR: Nws Storm Prediction Center Norman Ok

ACUS02 KWNS 281657
SWODY2
SPC AC 281655

DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1155 AM CDT THU AUG 28 2008

VALID 291200Z - 301200Z

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...

PRIMARY BELT OF WESTERLIES AND POLAR WAVE TRAIN WILL REMAIN CONFINED
TO CANADA AND THE NRN TIER OF STATES THROUGH THE DAY TWO PERIOD. IN
THE LOWER LATITUDES...A HIGHER MOMENTUM CHANNEL OF ELY FLOW WILL
PERSIST ACROSS THE SWRN DESERTS...ALONG SRN PERIPHERY OF ELONGATED
RIDGE AXIS.

...CNTRL/SRN HIGH PLAINS INTO THE MID SOUTH...

SURFACE FRONT INITIALLY OVER NERN NM WILL RETREAT NWD INTO ERN CO
FRIDAY WITH ERN EXTENSION OF BOUNDARY PUSHING SWD THROUGH THE MID MS
AND LOWER OH VALLEYS. THE STRONGEST INSTABILITY IS FORECAST ACROSS
THE MID SOUTH WHERE DEWPOINTS IN THE UPPER 60S TO LOWER 70S WILL
COMBINE WITH DAYTIME HEATING TO YIELD MLCAPES APPROACHING 2500-3500
J/KG. OVER THE HIGH PLAINS...BOUNDARY LAYER WILL BE COMPARATIVELY
DRIER...BUT THE PRESENCE OF RATHER STEEP MIDLEVEL LAPSE RATES WILL
CONTRIBUTE TO MLCAPES OF 1000-1500 J/KG.

DAYTIME HEATING AND SUSTAINED CONVERGENCE ALONG THE FRONT ARE
EXPECTED TO SUPPORT SCATTERED TSTM DEVELOPMENT BY AFTERNOON ALONG
LENGTH OF BOUNDARY. THE STRONGEST VERTICAL SHEAR /0-6 KM BULK SHEAR
OF 25-30 KT/ IS FORECAST OVER THE CNTRL HIGH PLAINS WHERE
FORECAST HODOGRAPHS INDICATE PRONOUNCED VEERING THROUGH THE LOWEST
COUPLE OF KM. THIS IN CONJUNCTION WITH THE STEEP LAPSE RATES
SUGGESTS THE POTENTIAL FOR A FEW ORGANIZED STORMS CAPABLE OF
MARGINALLY SEVERE HAIL AND PERHAPS LOCALLY STRONG WIND GUSTS. OVER
THE MID SOUTH...VERTICAL SHEAR WILL BE WEAKER...BUT THE PRESENCE OF
THE MOIST ENVIRONMENT AND MODERATE TO STRONG CONVECTIVE INSTABILITY
MAY PROMOTE A FEW MORE INTENSE STORMS CAPABLE OF WET MICROBURST
ACTIVITY.

...SRN AZ...

AIR MASS IS EXPECTED TO REMAIN MOIST FRIDAY...PARTICULARLY OVER SWRN
AZ/SERN CA WHERE PW VALUES OF 1.75-2.00 INCHES WILL BE COMMON. THIS
MOISTURE WILL COINCIDE WITH THE SRN FRINGE OF STEEPER MIDLEVEL LAPSE
RATES CENTERED OVER THE GREAT BASIN WITH AIR MASS BECOMING
MODERATELY UNSTABLE /MLCAPES OF 1000-2000 J PER KG/ IN AREAS WHERE
MORNING CLOUDS DISSIPATE SOONEST. AS MENTIONED ABOVE...A ZONE OF
ENHANCED ELY MIDLEVEL FLOW WILL EXIST ACROSS REGION...RESULTING IN
30-35 KT OF DEEP-LAYER SHEAR. AS SUCH...ENVIRONMENT WILL ONCE AGAIN
BE SUPPORTIVE OF ORGANIZED STORMS WHICH WILL MOVE/PROPAGATE WWD
ACROSS THE LOWER DESERTS. DAMAGING WIND GUSTS AND PERHAPS SOME HAIL
MAY ACCOMPANY THE MORE INTENSE STORMS.

..MEAD.. 08/28/2008

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KOAX [281640]: Preliminary Local Storm Report...summary

NWUS53 KOAX 281640
LSROAX

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
1140 AM CDT THU AUG 28 2008

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

1030 PM HAIL PENDER 42.11N 96.71W
08/27/2008 E0.88 INCH THURSTON NE TRAINED SPOTTER

1055 PM HAIL 3 N BANCROFT 42.05N 96.57W
08/27/2008 E0.75 INCH CUMING NE TRAINED SPOTTER

1125 PM HAIL DECATUR 42.01N 96.25W
08/27/2008 E0.75 INCH BURT NE TRAINED SPOTTER


&&

$$

MILLER

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KAKQ [281633]: Preliminary Local Storm Report

NWUS51 KAKQ 281633
LSRAKQ

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WAKEFIELD VA
1233 PM EDT THU AUG 28 2008

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

1230 PM FLASH FLOOD MIDLOTHIAN 37.50N 77.64W
08/28/2008 CHESTERFIELD VA LAW ENFORCEMENT

ROADS CLOSED AT THE 10300 BLOCK OF QUALLA ROAD DUE TO
HIGH WATER.


&&

$$

HURLEY

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 281623
SWODY1
SPC AC 281619

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1119 AM CDT THU AUG 28 2008

VALID 281630Z - 291200Z

...THERE IS A SLGT RISK OF SVR TSTMS FROM THE CNTRL PLNS/LWR MO VLY
TO UPR GRT LKS...

...THERE IS A SLGT RISK OF SVR TSTMS A LARGE PART OF SRN AND WRN
AZ...

...CENTRAL PLAINS/LWR MO VLY TO UPR GREAT LAKES...
STRONG TROUGH WILL BE TRACKING EWD ACROSS UPPER MS VALLEY/GREAT
LAKES THIS FORECAST PERIOD. ASSOCIATED COLD FRONT CURRENTLY FROM LS
SWWD TO SERN NEB AND SRN CO. BY LATER THIS AFTERNOON AT THE TIME OF
EXPECTED FAVORABLE INITIATION PERIOD FOR STRONG/SEVERE CONVECTION
THE FRONT WILL EXTEND FROM NRN LM SWWD TO VICINITY MKC AND OK
PANHANDLE.

LAPSE RATES COUPLED WITH DEWPOINTS INTO THE LOWER 70S...ALONG WITH
STRONG HEATING WILL DEVELOP A VERY UNSTABLE AIR MASS BY MID
AFTERNOON WITH MLCAPES AOA 2500 J/KG ERN KS/NRN MO INTO CENTRAL IL
IN ADVANCE OF THE FRONT. THIS AREA WILL BE ON THE SRN FRINGE OF THE
STRONG FLOW TO THE N WITH DEEP LAYER SHEAR AROUND 30KT. SCATTERED
SEVERE THUNDERSTORMS WILL FORM IN RESPONSE TO FRONTAL CONVERGENCE
AND REMOVAL OF INHIBITION AS SURFACE TEMPS RISE INTO THE 90S.
STORMS EXPECTED TO BE PRIMARILY MULTICELLULAR GIVEN THE LACK OF
STRONG SHEAR...HOWEVER WITH THE AVAILABLE INSTABILITY...ISOLATED
SUPERCELLS WILL BE POSSIBLE. LARGE HAIL AND DAMAGING WINDS WITH ONLY
AN ISOLATED TORNADO THREAT ARE EXPECTED. ANY TORNADO WILL BE BRIEF
AND LIKELY ASSOCIATED WITH ANY SUPERCELL THAT CAN SPIN UP.

CLOUD COVER AND LESS FAVORABLE LAPSE RATES WILL LIMIT THE SEVERE
THREAT WITH NWD EXTENT ALONG THE FRONT. WILL CONTINUE A LOW END
DAMAGING WIND CONCERN WITH THE FRONT ACROSS THE UPPER GREAT
LAKES...BUT WITH MLCAPES GENERALLY AOB 500 J/KG...SEVERE SHOULD BE
CERTAINLY LESS OF A CONCERN THAN FURTHER S...EVEN WITH THE STRONGER
WIND PROFILES.

...AZ/SERN CA...
VERY MOIST LOW LEVEL AIR CONTINUES TO FEED INTO SRN AZ WITH PW'S
REMAINING NEAR 2 INCHES ACROSS THE SWRN DESERTS. LAPSE RATES HAVE
INCREASED ACROSS NRN AND WRN AZ RAISING THE CONCERN FOR SEVERE
STORMS. IN ADDITION THE 30KT OF ENE MID LEVEL FLOW FROM THE RIM
ACROSS THE LOWER CO VALLEY SUPPORTS EFFICIENT PROPAGATION OF STORMS
FROM THE HIGHER TERRAIN IN CENTRAL AZ INTO THE DESERTS VALLEYS.
MODEL SOUNDINGS INDICATE DCAPES INCREASE TO ABOVE 1200 J/KG BY MID
AFTERNOON WHILE MLCAPES CLIMB ABOVE 2000 J/KG.

STRONG/SEVERE THUNDERSTORMS SHOULD DEVELOP QUICKLY OVER THE RIM AND
BRADSHAW MOUNTAINS BY EARLY AFTERNOON WHERE FULL HEATING IS NOW
OCCURRING. FORWARD PROPAGATING CONVECTION SHOULD THEN MOVE W/SWWD
INTO DESERT VALLEYS WITH POTENTIAL FOR DAMAGING WINDS AND HAIL ALONG
WITH HEAVY RAIN GIVEN THE HIGH PW'S. WITH 30-35KT OF DEEP LAYER
SHEAR...POTENTIAL FOR ONE OR MORE MCS'S DEVELOPING ACROSS DESERTS
ENHANCING THE THREAT OF DAMAGING WINDS AND HEAVY RAIN BY LATER THIS
AFTERNOON/EVENING


...NRN/ERN NC INTO SE VA...
REMNANT CIRCULATION WITH T.D. FAY HAS JUST ABOUT BECOME COMPLETELY
ABSORBED WITHIN LARGER SCALE TROUGH OVER THE ERN STATES...AND THE
ASSOCIATED WIND FIELD IS NOTABLY WEAKER THAN IN RECENT DAYS.
NEVERTHELESS...CURRENT SFC OBSERVATIONS SHOW A WEAK WARM FRONT
CONTINUING TO PROGRESS SLOWLY NE ACROSS ERN NC...WHILE BACK-DOOR
BOUNDARY FARTHER N IN VA REMAINS MORE OR LESS STNRY FROM E OF DAN
TOWARD NHK. HEATING OF VERY MOIST AREA S AND E OF THESE
BOUNDARIES...AND LINGERING SELY SFC FLOW...MAY POSE A RISK FOR VERY
ISOLD TORNADOES UNTIL LATE IN THE DAY...ESPECIALLY IN SE VA/FAR NE
NC.

..HALES/IMY.. 08/28/2008

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KAKQ [281612]: Preliminary Local Storm Report

NWUS51 KAKQ 281612
LSRAKQ

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WAKEFIELD VA
1212 PM EDT THU AUG 28 2008

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

1208 PM FLASH FLOOD 2 SE WINTERPOCK 37.33N 77.69W
08/28/2008 CHESTERFIELD VA EMERGENCY MNGR

ROAD CLOSED DUE TO HIGH WATER AT 15414 RIVER ROAD


&&

$$

LALEXAND

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KAKQ [281530]: Preliminary Local Storm Report

NWUS51 KAKQ 281530
LSRAKQ

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WAKEFIELD VA
1130 AM EDT THU AUG 28 2008

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

1125 AM FLASH FLOOD MIDLOTHIAN 37.50N 77.64W
08/28/2008 CHESTERFIELD VA LAW ENFORCEMENT

ROADS CLOSED AT THE 13000 BLOCK OF STARVIEW LANE AND AT
THE 11000 BLOCK AT SOUTH PROVIDENCE ROAD DUE TO HIGH
WATER.


&&

$$

HURLEY

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KAKQ [281523]: Preliminary Local Storm Report

NWUS51 KAKQ 281523
LSRAKQ

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WAKEFIELD VA
1123 AM EDT THU AUG 28 2008

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

1115 AM FLASH FLOOD MIDLOTHIAN 37.50N 77.64W
08/28/2008 CHESTERFIELD VA LAW ENFORCEMENT

ROADS CLOSED BETWEEN THE 3700 AND 4000 BLOCKS OF OLD
HUNDRED ROAD DUE TO HIGH WATER.


&&

$$

HURLEY

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KAKQ [281507]: Preliminary Local Storm Report

NWUS51 KAKQ 281507
LSRAKQ

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WAKEFIELD VA
1107 AM EDT THU AUG 28 2008

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

1100 AM FLASH FLOOD BON AIR 37.52N 77.57W
08/28/2008 CHESTERFIELD VA LAW ENFORCEMENT

ROADS CLOSED AT 11311 MORAVIA ROAD DUE TO HIGH WATER.


&&

$$

HURLEY

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KAKQ [281500]: Preliminary Local Storm Report...corrected

NWUS51 KAKQ 281500
LSRAKQ

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE WAKEFIELD VA
1100 AM EDT THU AUG 28 2008

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

1049 AM FLASH FLOOD MIDLOTHIAN 37.50N 77.64W
08/28/2008 CHESTERFIELD VA LAW ENFORCEMENT

ROADS CLOSED AT 11700 HULL STREET ROAD NEAR THE BAILEY
BRIDGE.


&&

$$

ASIEBERS

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KAKQ [281454]: Preliminary Local Storm Report

NWUS51 KAKQ 281454
LSRAKQ

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WAKEFIELD VA
1053 AM EDT THU AUG 28 2008

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

1049 AM FLASH FLOOD MIDLOTHIAN 37.50N 77.64W
08/28/2008 CHESTERFIELD VA LAW ENFORCEMENT

ROADS CLOSED AT 11700 HALL STREET ROAD NEAR THE BAILEY
BRIDGE.

1049 AM FLASH FLOOD CHESTERFIELD 37.38N 77.51W
08/28/2008 CHESTERFIELD VA LAW ENFORCEMENT

ROADS CLOSED AT 12210 NASH ROAD.


&&

$$

ASIEBERS

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KAKQ [281436]: Preliminary Local Storm Report...corrected

NWUS51 KAKQ 281436
LSRAKQ

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE WAKEFIELD VA
1036 AM EDT THU AUG 28 2008

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

1023 AM FLASH FLOOD 3 SSW BON AIR 37.48N 77.59W
08/28/2008 CHESTERFIELD VA LAW ENFORCEMENT

REPORTS OF ROAD CLOSED DUE TO HIGH WATER


&&

$$

WAMSLEY

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KAKQ [281429]: Preliminary Local Storm Report

NWUS51 KAKQ 281429
LSRAKQ

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WAKEFIELD VA
1029 AM EDT THU AUG 28 2008

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

1023 AM FLASH FLOOD BON AIR 37.52N 77.57W
08/28/2008 CHESTERFIELD VA LAW ENFORCEMENT

REPORTS OF ROAD CLOSED DUE TO HIGH WATER


&&

$$

LALEXAND

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KRAH [281422]: Preliminary Local Storm Report

NWUS52 KRAH 281422
LSRRAH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
1022 AM EDT THU AUG 28 2008

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

0200 AM FLASH FLOOD 6 NE SURL 36.37N 78.81W
08/28/2008 PERSON NC LAW ENFORCEMENT

DENNY STORE RD AND POLK HUFF RD WERE CLOSED DUE TO HIGH
WATER.


&&

$$

SMITH

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KAKQ [281421]: Preliminary Local Storm Report...corrected

NWUS51 KAKQ 281421
LSRAKQ

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE WAKEFIELD VA
1021 AM EDT THU AUG 28 2008

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

1014 AM FLASH FLOOD WINTERPOCK 37.35N 77.72W
08/28/2008 CHESTERFIELD VA EMERGENCY MNGR

REPORT OF VEHICLE IN HIGH WATER FLOATING AWAY AT THE 8900
BLOCK OF WINTERPOCK RD.


&&

$$

LALEXAND

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KAKQ [281418]: Preliminary Local Storm Report

NWUS51 KAKQ 281418
LSRAKQ

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WAKEFIELD VA
1017 AM EDT THU AUG 28 2008

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

1014 AM FLOOD WINTERPOCK 37.35N 77.72W
08/28/2008 CHESTERFIELD VA EMERGENCY MNGR

A VEHICLE FLOATING AWAY..8900 BLOCK OF WINTERPOCK RD


&&

$$

LALEXAND

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KTWC [281411]: Preliminary Local Storm Report

NWUS55 KTWC 281411
LSRTWC

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TUCSON AZ
711 AM MST THU AUG 28 2008

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

0530 PM FLASH FLOOD 2 SE VAIL 32.03N 110.69W
08/27/2008 PIMA AZ OTHER FEDERAL

PANTANO WASH NEAR VAIL ROSE 9FT IN ONE HOUR...AND ROSE
2FT OUT OF ITS BANKS. DATA FROM USGS STREAM GAGE. FLASH
FLOODING SPREAD DOWNSTREAM TO THE HARRISON ROAD LOW WATER
CROSSING...WITH SEVERAL FEET OF WATER ACROSS THE ROADWAY.
FLASH FLOODING CONTINUED THROUGH AROUND 700 PM MST.


&&

$$

PYTLAK

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KAKQ [281410]: Preliminary Local Storm Report

NWUS51 KAKQ 281410 CCA
LSRAKQ

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WAKEFIELD VA
1008 AM EDT THU AUG 28 2008

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

1000 AM FLASH FLOOD MIDLOTHIAN 37.50N 77.64W
08/28/2008 CHESTERFIELD VA LAW ENFORCEMENT

ROAD CLOSED AT N ARCH ROAD DUE TO HIGH WATER AND DEBRIS
IN THE ROAD.


&&

$$

ASIEBERS

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KAKQ [281408]: Preliminary Local Storm Report

NWUS51 KAKQ 281408
LSRAKQ

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WAKEFIELD VA
1008 AM EDT THU AUG 28 2008

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

1000 AM FLASH FLOOD MIDLOTHIAN 37.50N 77.64W
08/28/2008 CHESTERFIELD VA LAW ENFORCEMENT

ROAD CLOSED AT N ARCH ROAD DUE TO HIGH WATER AND DEBRIS
IN THE ORAD.


&&

$$

ASIEBERS

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KGSP [281407]: Preliminary Local Storm Report

NWUS52 KGSP 281407
LSRGSP

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1007 AM EDT THU AUG 28 2008

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

0730 PM TORNADO 2 N CALHOUN FALLS 34.12N 82.60W
08/26/2008 ABBEVILLE SC LAW ENFORCEMENT

TREES DOWN ON HWY 81 NORTH OF CALHOUN FALLS. FUNNEL
SPOTTED CROSSING LAKE HARTWELL AND ON ELBERT COUNTY SIDE
OF LAKE ON WELCOME CHURCH ROAD. NO TOUCH DOWN IN ELBERT
CO REPORTED AT THIS TIME.


&&

$$

TJB

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KDVN [281348]: Preliminary Local Storm Report

NWUS53 KDVN 281348
LSRDVN

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
848 AM CDT THU AUG 28 2008

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

0847 AM HEAVY RAIN 1 S MARENGO 41.78N 92.07W
08/28/2008 M2.80 INCH IOWA IA TRAINED SPOTTER


&&

$$

DLF

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 281259
SWODY1
SPC AC 281256

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0756 AM CDT THU AUG 28 2008

VALID 281300Z - 291200Z

...THERE IS A SLGT RISK OF SVR TSTMS FROM THE CNTRL PLNS/LWR MO VLY
TO UPR GRT LKS...

...SYNOPSIS...
UPR TROUGH NOW OVER THE DAKS WILL CONTINUE E ACROSS THE UPR MS VLY
AND UPR GRT LKS THIS PERIOD AS ELONGATED E PACIFIC/SW U.S. RIDGE
BUILDS FARTHER E ACROSS THE SRN RCKYS AND SRN PLNS. REMNANTS OF
T.D. FAY AND EXISTING UPR LOW OVER OH HAVE EVOLVED INTO AN ILL-
DEFINED TROUGH OVER THE OH/TN VLYS AND APPALACHIANS. WHILE THE
TROUGH SHOULD FURTHER WEAKEN THROUGH FRIDAY...SMALLER SCALE
DISTURBANCES WITHIN IT WILL CONTINUE TO MODULATE DIURNALLY-ENHANCED
TSTMS OVER THE ERN STATES. ELSEWHERE...LITTLE OVERALL MOVEMENT...OR
PERHAPS A SLIGHT WSW DRIFT...EXPECTED WITH UPR CIRCULATIONS OVER NRN
CHIHUAHUA AND NRN BAJA CA.

...CNTRL PLNS/LWR MO VLY TO UPR GRT LKS...
COLD FRONT ASSOCIATED WITH DAKS UPR TROUGH WILL SERVE AS MAIN FOCUS
FOR AFTN/EVE TSTM DEVELOPMENT OVER PARTS OF THE CNTRL AND N CNTRL
STATES TODAY. ELEVATED PREFRONTAL MCS NOW OVER IA/IL/MO SHOULD
FURTHER WEAKEN LATER THIS MORNING WHILE CONTINUING SLOWLY SSEWD.
REGENERATIVE CELLS WILL...HOWEVER...LIKELY PERSIST ON THE SYSTEM'S
WRN FLANK.

WITH HEATING LATER TODAY...EXPECT STORMS TO ONCE AGAIN STRENGTHEN ON
WRN SIDE OF WHATEVER IS LEFT OF THE IA/IL/MO SYSTEM...WHILE NEW
STORMS FORM ALONG COLD FRONT FROM NRN MO AND PERHAPS SE IA/WRN IL
WSW INTO KS. COMBINATION OF FAIRLY STEEP MID LVL LAPSE RATES WITH
FAIRLY RICH MOISTURE /SFC DEWPOINTS IN THE UPR 60S TO AROUND 70F/
SHOULD YIELD SBCAPE AOA 2500 J/KG FROM ERN KS INTO NRN MO. MUCH
WEAKER SFC-BASED INSTABILITY EXPECTED OVER MOST OF NRN IL AND SRN
WI...WHERE DEBRIS FROM OVERNIGHT MCS WILL LIMIT HEATING.

AS HAS BEEN THE CASE OVER THE PAST TWO DAYS OVER THE N CNTRL
STATES...ENVIRONMENT ALONG COLD FRONT WILL BE ON SRN EDGE OF
STRONGER UPR FLOW AND HEIGHT FALLS ASSOCIATED WITH PASSING TROUGH IN
THE UPR MS VLY. NEVERTHELESS...GIVEN THE DEGREE OF INSTABILITY AND
LOW LVL SOURCE FOR UPDRAFT DEVELOPMENT...30+ KT SLIGHTLY DIFFLUENT
MID/UPR LVL FLOW SHOULD BE SUFFICIENT FOR SCTD TO NUMEROUS SUSTAINED
STORMS ALONG FRONT. THE STORMS COULD PRODUCE SVR HAIL AND
WIND...ESPECIALLY DURING THEIR EARLIER STAGES OF DEVELOPMENT WHEN
BRIEF SUPERCELL STRUCTURES MAY BE ATTAINED. THE STORMS LIKELY WILL
MERGE INTO A MORE OR LESS SOLID BAND THAT MOVES SSE WITH THE FRONT
THROUGH MID EVE. PARTS OF THE BAND MAY LINGER INTO EARLY
FRIDAY...WITH WEAK/VEERING LLJ JET SUPPORTING
REGENERATIVE/BACKBUILDING SEGMENTS.

FARTHER NE...N OF CLOUDS/LOW LVL OUTFLOW ASSOCIATED WITH OVERNIGHT
IA/IL/MO MCS...A SEPARATE AREA OF STORMS MAY FORM THIS AFTN AND EVE
ALONG MORE PROGRESSIVE PART OF COLD FRONT FROM NRN/ERN WI INTO
WRN/NRN MI. BUOYANCY WILL BE WEAK IN THIS REGION RELATIVE TO THAT
IN KS/MO...BUT LIKELY SUFFICIENT TO SUPPORT STORMS GIVEN MUCH
STRONGER FORCING FOR ASCENT /DPVA/. COUPLED WITH 40-50 KT
DEEP...LARGELY UNIDIRECTIONAL WSWLY SHEAR...STORMS COULD CONTAIN
BOWING SEGMENTS WITH HIGH WIND.

...NRN/ERN NC INTO SE VA...
REMNANT CIRCULATION WITH T.D. FAY HAS JUST ABOUT BECOME COMPLETELY
ABSORBED WITHIN LARGER SCALE TROUGH OVER THE ERN STATES...AND THE
ASSOCIATED WIND FIELD IS NOTABLY WEAKER THAN IN RECENT DAYS.
NEVERTHELESS...CURRENT SFC OBSERVATIONS SHOW A WEAK WARM FRONT
CONTINUING TO PROGRESS SLOWLY NE ACROSS ERN NC...WHILE BACK-DOOR
BOUNDARY FARTHER N IN VA REMAINS MORE OR LESS STNRY FROM E OF DAN
TOWARD NHK. HEATING OF VERY MOIST AREA S AND E OF THESE
BOUNDARIES...AND LINGERING SELY SFC FLOW...MAY POSE A RISK FOR VERY
ISOLD TORNADOES UNTIL LATE IN THE DAY...ESPECIALLY IN SE VA/FAR NE
NC.

...AZ...
VERY MOIST AIR REMAINS OVER THE SRN THIRD OF AZ...WITH PW AROUND
1.50 IN. ONCE CLOUDS FROM OVERNIGHT STORMS DISSIPATE/DRIFT
SWWD...EXPECT HEATING TO TRIGGER A NEW ROUND OF STORMS...MAINLY OVER
SRN AND CNTRL PARTS OF THE STATE. ANOMALOUSLY STRONG /30 KT/ E TO
ENE FLOW ON SRN FRINGE OF ELONGATED UPR RIDGE WILL PROVIDE AMPLE
SHEAR TO FOSTER STORM PROPAGATION TOWARD THE WSW FROM BOTH THE RIM
AND THE WHITE MOUNTAINS. PARTICULARLY ON THE NWRN FRINGE OF CLOUD
DEBRIS/PW AXIS IN S CNTRL/SW AZ...WHERE SFC TEMPERATURES COULD REACH
THE UPR 90S OR 100F...COMBINATION OF DEEP SEASONABLY STRONG ENE FLOW
WITH FAIRLY MOIST BUT DEEPLY-MIXED BOUNDARY LAYER MAY SUPPORT
OUTFLOW MERGERS AND SWATHS OF DMGG SFC WINDS. HOWEVER...PRESENCE OF
WEAK UPR CIRCULATIONS IN NRN MEXICO CASTS UNCERTAINTY REGARDING
LOCATION AND COVERAGE OF DIURNAL STORMS IN AZ. THUS...WILL MAINTAIN
LOW PROBABILITY RISK ATTM. BUT AN UPGRADE TO CATEGORICAL SLIGHT
RISK MAY BE REQUIRED LATER IN THE DAY IF IT APPEARS THAT A
SIGNIFICANT CLUSTER OF STORMS WILL INDEED EVOLVE OVER S CNTRL AZ.

..CORFIDI/BRIGHT.. 08/28/2008

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DAY48SVR: Nws Storm Prediction Center Norman Ok

ACUS48 KWNS 280858
SWOD48
SPC AC 280857

DAY 4-8 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0357 AM CDT THU AUG 28 2008

VALID 311200Z - 051200Z

THE MEDIUM RANGE MODELS ARE IN GENERAL AGREEMENT CONCERNING THE
DEVELOPMENT OF A RELATIVELY HIGH-AMPLITUDE UPPER-LEVEL TROUGH OVER
THE ROCKIES EARLY NEXT WEEK. THIS FEATURE IS FORECAST TO MOVE EWD
INTO THE NRN AND CNTRL PLAINS BY TUESDAY AND ACROSS THE UPPER
MIDWEST WEDNESDAY. ALTHOUGH STRONG VERTICAL SHEAR PROFILES AND
ABUNDANT LARGE-SCALE ASCENT WILL LIKELY BE PRESENT AS THE SYSTEM
EJECTS NEWD ACROSS THE PLAINS...THE AMOUNT OF INSTABILITY AVAILABLE
FOR CONVECTION REMAINS QUESTIONABLE. IF SUBSTANTIAL MOISTURE RETURN
TAKES PLACE ACROSS THE REGION BY EARLY NEXT WEEK AND MODERATE
DESTABILIZATION CAN DEVELOP AHEAD OF THE EJECTING TROUGH...A
REASONABLE CHANCE FOR SEVERE WEATHER SHOULD EXIST TUESDAY AND
TUESDAY NIGHT. HOWEVER...DUE TO QUESTIONS CONCERNING
INSTABILITY...WILL NOT FORECAST A SEVERE THREAT AREA ATTM.

..BROYLES.. 08/28/2008

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DAY3SVR: Nws Storm Prediction Center Norman Ok

ACUS03 KWNS 280720
SWODY3
SPC AC 280717

DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0217 AM CDT THU AUG 28 2008

VALID 301200Z - 311200Z

...NO SVR TSTM AREAS FORECAST...

AN UPPER-LEVEL RIDGE OVER THE HIGH PLAINS FRIDAY NIGHT IS FORECAST
TO AMPLIFY AND MOVE INTO THE UPPER MIDWEST SATURDAY. AS SOUTHWEST
FLOW DEVELOPS ACROSS THE NWRN STATES...A BROAD AND WELL-DEVELOPED
LOW-LEVEL JET IS FORECAST TO DEVELOP OVER THE PLAINS. THIS WILL
ALLOW MOISTURE TO QUICKLY SURGE NWD INTO THE CNTRL AND NRN PLAINS
SATURDAY AND SATURDAY NIGHT. DESPITE THE INCREASE IN
MOISTURE...LARGE-SCALE ASCENT IN THE NRN PLAINS SHOULD BE WEAK
BEHIND THE EXITING RIDGE LIMITING CONVECTIVE DEVELOPMENT ALONG THE
MOIST AXIS. THE GREATEST POTENTIAL FOR CONVECTIVE DEVELOPMENT
APPEARS TO BE OVER THE CNTRL PLAINS AND OZARKS WHERE VERTICAL SHEAR
IS EXPECTED TO QUITE WEAK.

..BROYLES.. 08/28/2008

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MESO: Mesoscale Discussion 2180

ACUS11 KWNS 280657
SWOMCD
SPC MCD 280656
NCZ000-VAZ000-280830-

MESOSCALE DISCUSSION 2180
NWS STORM PREDICTION CENTER NORMAN OK
0156 AM CDT THU AUG 28 2008

AREAS AFFECTED...ERN NC

CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY

VALID 280656Z - 280830Z

THE BOUNDARY LAYER ACROSS PARTS OF CENTRAL/EASTERN NORTH CAROLINA
REMAINS VERY MOIST AND WEAKLY CAPPED/POSITIVELY BUOYANT...
PARTICULARLY SOUTH OF A WEAK WARM FRONT EXTENDING TO THE EAST OF A
WEAK SURFACE LOW ACROSS THE CENTRAL PIEDMONT INTO THE CENTRAL
COASTAL PLAIN...WHERE SURFACE DEW POINTS ARE IN THE MID 70S. LATEST
RUC GUIDANCE INDICATES MIXED LAYER CAPE IS IN EXCESS OF 1000
J/KG...AND THIS...PERHAPS COUPLED WITH LARGE-SCALE ASCENT ASSOCIATED
WITH A WEAK IMPULSE WITHIN BROADER SCALE CYCLONIC FLOW...IS
CONTRIBUTING SCATTERED ONGOING THUNDERSTORM ACTIVITY.

THERE IS LITTLE TO SUGGEST THAT THIS CONVECTIVE DEVELOPMENT WILL NOT
PERSIST THROUGH THE NIGHT...AS WEAK LARGE-SCALE ASCENT PERSISTS
ACROSS CENTRAL/EASTERN NORTH CAROLINA...PERHAPS INTO SOUTHEAST
VIRGINIA. BUT...LOW-LEVEL SHEAR PROFILES SUPPORTIVE OF APPRECIABLE
TORNADIC POTENTIAL ARE FOCUSED WITHIN A COOLER STABLE BOUNDARY LAYER
ENVIRONMENT ACROSS SOUTH CENTRAL VIRGINIA...ALONG A WEAK BAROCLINIC
ZONE EXTENDING TO THE NORTH OF THE SURFACE LOW. IT IS POSSIBLE THAT
THE LOW-LEVEL VORTICITY ALONG THE WEAK WARM FRONT...IN THE PRESENCE
OF THE HIGH BOUNDARY LAYER MOISTURE...WAS ENOUGH TO BRIEFLY SUPPORT
TORNADIC DEVELOPMENT WITH THE EARLIER STORM NORTH OF GOLDSBORO.
AND...ADDITIONAL ISOLATED/BRIEF TORNADOES CAN NOT BE RULED OUT WITH
CELLS DEVELOPING NEAR/CROSSING THE BOUNDARY ACROSS CENTRAL NORTH
CAROLINA INTO THE CENTRAL COASTAL PLAIN THE NEXT FEW HOURS.
BUT...THE PREDICTABILITY IS LOW.

..KERR.. 08/28/2008

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

ATTN...WFO...AKQ...MHX...RAH...ILM...

35797949 36367885 36787835 37097704 36897631 36117565
35437569 34657644 34177755 34037799 34507868 34827899
35197962 35567984

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KRAH [280613]: Preliminary Local Storm Report

NWUS52 KRAH 280613
LSRRAH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
213 AM EDT THU AUG 28 2008

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

0121 AM FLASH FLOOD 2 NE FUQUAY-VARINA 35.61N 78.78W
08/28/2008 WAKE NC COUNTY OFFICIAL

SUNSET LAKE ROAD FLOODED... NCDOT ON THE SCENE.


&&

$$

BSD

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