Wednesday, May 29, 2013

MESO: Mesoscale Discussion 0859

ACUS11 KWNS 292012
SWOMCD
SPC MCD 292012
KSZ000-MOZ000-NEZ000-IAZ000-292215-

MESOSCALE DISCUSSION 0859
NWS STORM PREDICTION CENTER NORMAN OK
0312 PM CDT WED MAY 29 2013

AREAS AFFECTED...ERN KS...SERN NEB

CONCERNING...SEVERE POTENTIAL...WATCH LIKELY

VALID 292012Z - 292215Z

PROBABILITY OF WATCH ISSUANCE...80 PERCENT

SUMMARY...THUNDERSTORMS ARE INTENSIFYING AND SPREADING EASTWARD INTO
EASTERN KS/NEB. A NEW WW WILL BE NEEDED SHORTLY.

DISCUSSION...RADAR SHOWS TWO CLUSTERS OF THUNDERSTORMS NEAR THE
EASTERN EDGE OF WW/S 239 AND 240. ONE CLUSTER IS OVER
PRATT/STAFFORD COUNTIES KS...AND THE SECOND CLUSTER IS OVER
HAMILTON/CLAY/FILLMORE COUNTIES NEB. MODERATE TO STRONG INSTABILITY
IS IN PLACE ACROSS THE DISCUSSION AREA WITH MLCAPE VALUES OF
2000-3000 J/KG AND ONLY A WEAK CAP REMAINING. PRESENT INDICATIONS
ARE THAT CURRENT THUNDERSTORM ACTIVITY WILL PERSIST FOR SEVERAL MORE
HOURS AND TRACK INTO EASTERN KS/NEB WITH A CONTINUED RISK OF LARGE
HAIL AND DAMAGING WINDS. A STRENGTHENING LOW LEVEL JET THIS EVENING
WILL ALSO MAINTAIN SOME RISK OF AN ISOLATED TORNADO OR TWO.

..HART/MEAD.. 05/29/2013

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

ATTN...WFO...EAX...OAX...TOP...ICT...GID...

LAT...LON 41099808 41599734 40879585 38339517 37039657 37709787
41099808

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