SWOMCD
SPC MCD 022225
ARZ000-TXZ000-OKZ000-030000-
MESOSCALE DISCUSSION 0675
NWS STORM PREDICTION CENTER NORMAN OK
0525 PM CDT SAT MAY 02 2009
AREAS AFFECTED...EXTREME NERN TX INTO SRN AR
CONCERNING...HEAVY RAINFALL
VALID 022225Z - 030000Z
IN ADDITION TO THE LARGE HAIL...DMGG WIND...ISOLD TORNADO
THREATS...TRAINING VERY HEAVY RAINFALL WITH HOURLY RATES 2-3" WILL
OCCUR THROUGH 00-01Z IN A 40 MILE CORRIDOR CENTERED FROM KTXK-20N
KELD-KLLQ.
OUTFLOW BOUNDARY HAS SETTLED SWD TO ALONG THE LA/AR BORDER WITH
UPDRAFTS BEING GENERATED ATOP THE COLD POOL OVER SRN AR IN AN E-W
CORRIDOR ACROSS SRN AR. MEANWHILE...MCV AND ASSOCD BOW ECHO WAS
MOVING EWD AROUND 40 KTS TOWARD THE KTXK REGION. AS THIS FEATURE
CONTINUES EWD ALONG/N OF THE OUTFLOW BOUNDARY...RAINFALL RATES OF
2-3 IN/HR CAN BE EXPECTED AS CELL MERGERS/TRAINING OCCUR. RAINFALL
EFFICIENCY WILL BE QUITE HIGH WITH PWATS IN EXCESS OF 1.5" AND THE
TRAINING NATURE OF THE STORMS.
..RACY.. 05/02/2009
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...JAN...LZK...SHV...
LAT...LON 33649458 33819197 33369146 33179181 33149334 33179461
33649458
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