#496 Postby CrazyC83 » Thu Jun 05, 2008 10:06 pm
MESOSCALE DISCUSSION 1243
NWS STORM PREDICTION CENTER NORMAN OK
0958 PM CDT THU JUN 05 2008
AREAS AFFECTED...SWRN TX
CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE
VALID 060258Z - 060500Z
ISOLATED TSTMS DEVELOPING ALONG DRYLINE MAY INTENSIFY SUFFICIENTLY
TO POSE A SVR THREAT OVER SWRN TX WITHIN THE NEXT FEW HOURS.
UNCERTAINTIES REMAIN REGARDING COVERAGE OF SVR THREAT...SO A WW IS
POSSIBLE.
LATEST RADAR/SAT IMAGERY SHOWS TSTMS DEVELOPING SOUTH OF WW 468
ACROSS SWRN TX. DESPITE MODEST MLCINH PER OBJECTIVE ANALYSIS
FIELDS...SUFFICIENTLY LARGE SCALE ASCENT HAS AIDED IN TSTMS
DEVELOPING SOUTH OF WW 468 ACROSS SWRN TX. AIRMASS WAS MODERATELY
UNSTABLE WITH MUCAPE AROUND 3000 J/KG. MODEST VERTICAL SHEAR /35 KTS
PER RECENT RUC FORECAST SOUNDINGS/ SUGGEST STORM ROTATION AND
POTENTIAL FOR SVR HAIL. GIVEN TIME OF DAY AND MODEST SHEAR VALUES
UNCERTAINTY EXISTS REGARDING THE MAGNITUDE AND COVERAGE OF SVR
THREATS. HOWEVER...TRENDS WILL BE MONITORED FOR A POSSIBLE WW.
..CROSBIE.. 06/06/2008
ATTN...WFO...EWX...SJT...MAF...
32090100 31440163 30840238 30250228 29950150 30320028
31189920 32199931
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