SWOMCD
SPC MCD 221835
TXZ000-222130-
MESOSCALE DISCUSSION 1249
NWS STORM PREDICTION CENTER NORMAN OK
0135 PM CDT FRI JUN 22 2007
AREAS AFFECTED...DEEP SOUTH TX
CONCERNING...HEAVY RAINFALL
VALID 221835Z - 222130Z
STORMS CONTINUE TO INCREASE OVER SRN TX WITH RAPIDLY COOLING CLOUD
TOPS ON IR. SURFACE HEATING OVER DEEP S TX ALONG WITH AN APPROACHING
WEAK MID LEVEL TROUGH OVER NERN MX WILL RESULT IN LOWERING SFC
PRESSURE AND INCREASED CONVERGENCE. PRECIPITABLE WATER VALUES
CURRENTLY MEASURED FROM 2.00 - 2.25 INCHES AND STRONG INSTABILITY
WILL RESULT IN VERY HEAVY RAIN OF 2-3 IN/HR. WEAK WINDS ALOFT...NO
CAP AND PERSISTENT SELY LOW LEVEL FLOW WILL FAVOR REDEVELOPMENT AND
PROPAGATION ALONG EXISTING OUTFLOWS WITH SEVERAL CLUSTERS OF HEAVY
RAIN LIKELY. ONE CLUSTER WAS ONGOING EARLY THIS AFTERNOON FROM NRN
DUVAL/JIM WELLS COUNTIES WITH ADDITIONAL AREAS OF HEAVY RAIN
EXPECTED TO DEVELOP FARTHER W TOWARD LRD LATER TODAY.
.JEWELL.. 06/22/2007
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...CRP...EWX...BRO...
28379973 28899905 29389787 29279707 28429694 27619725
26879794 26319905 27159950 27979997
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