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Mesoscale Discussion 1884 |
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MESOSCALE DISCUSSION 1884
NWS STORM PREDICTION CENTER NORMAN OK
0329 PM CDT FRI AUG 24 2007
AREAS AFFECTED...TX PANHANDLE...NERN NM...FAR SERN CO
CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE
VALID 242029Z - 242200Z
THE SEVERE THREAT WILL INCREASE THROUGH EARLY EVENING AS CONVECTION
MOVES E OFF THE HIGHER TERRAIN OF NM/CO AND ALSO DEVELOPS ALONG
OUTFLOW/FRACTURED FRONTAL BOUNDARIES OVER THE TX PANHANDLE. MODERATE
INSTABILITY AND SUFFICIENTLY STRONG DEEP-LAYER SHEAR WILL SUPPORT
SUPERCELL DEVELOPMENT WITH ATTENDANT THREATS FOR LARGE HAIL/POSSIBLE
SEVERE WIND GUSTS. THE AREA WILL BE MONITORED FOR A POSSIBLE WW
ISSUANCE IN THE NEXT 2-3 HOURS.
AS OF 2025Z...SCT TSTMS HAVE DEVELOPED WITHIN THE PAST 1-2 HOURS
ALONG THE RATON MESA SWD TOWARDS THE SACRAMENTO MTNS. RECENT VIS
SATELLITE IMAGERY SHOWS INCREASINGLY AGITATED TCU/SMALL CBS ALONG A
SERIES OF OUTFLOW/FRACTURED FRONTAL BOUNDARIES IN THE TX
PANHANDLE...WITH THE MOST VIGOROUS DEVELOPMENT FROM BAILEY THROUGH
ARMSTRONG COUNTIES. FARTHER N...LINGERING STRATUS DECK HAS RETARDED
SFC HEATING ACROSS MOST OF THE OK PANHANDLE ROUGHLY NE OF A LINE
FROM GAG TO SPD. S OF THIS HOWEVER...TEMPERATURES HAVE WARMED INTO
THE UPPER 80S TO MIDDLE 90S CONTRIBUTING TO MLCAPES OF 1000 TO 2000
J/KG PER LATEST RUC OBJECTIVE ANALYSIS. ALTHOUGH REGIONAL WIND
PROFILERS DEPICT GENERALLY WEAK 0-2 KM FLOW...AROUND 30 TO 35 KTS OF
W/NWLY 6 KM WINDS WILL BE SUFFICIENT FOR UPDRAFT ROTATION AND
POSSIBLE SUPERCELLS.
..GRAMS.. 08/24/2007
ATTN...WFO...OUN...LUB...AMA...PUB...ABQ...
37140248 36520133 36560048 36369969 35279965 34739993
34340097 33810195 33570281 33710382 34170453 34690465
35870456 36590447 37370438 37800389 37560302
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