SWOMCD
SPC MCD 202258
TXZ000-NMZ000-210000-
MESOSCALE DISCUSSION 1956
NWS STORM PREDICTION CENTER NORMAN OK
0558 PM CDT WED OCT 20 2010
AREAS AFFECTED...S CNTRL NM...FAR W TX
CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE
VALID 202258Z - 210000Z
A GRADUAL INCREASE IN STORM COVERAGE IS EXPECTED WITH MARGINALLY
SEVERE HAIL THE PRIMARY THREAT.
PEAK HEATING HAS RESULTED IN MODERATE DESTABILIZATION ACROSS THE
REGION WITH ISOLATED CELLS DEVELOPING WITHIN A WEAK LOW PRESSURE
TROUGH FROM NRN MEXICO INTO S CNTRL NM. MEANWHILE...VISIBLE
SATELLITE IMAGERY SHOWS AN AREA OF AGITATED CU OVER NRN MEXICO WITH
WATER VAPOR SUGGESTING COOLING ALOFT NOW OVERSPREADING THAT AREA.
GIVEN INCREASING MOIST SELY LOW LEVEL FLOW ACROSS W TX/SE
NM...STORMS ARE LIKELY TO PERSIST INTO THE EVENING AND OVERNIGHT
HOURS. LOW LEVEL VEERING AND INCREASING SPEED SHEAR WILL RESULT IN
HODOGRAPHS FAVORABLE FOR SUPERCELLS CAPABLE OF MAINLY LARGE HAIL.
..JEWELL.. 10/20/2010
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...MAF...ABQ...EPZ...
LAT...LON 33800556 33600514 32590462 31170435 30730427 30340426
30200483 30510578 31240672 31920697 33040757 33540710
33720643 33800556
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