SWOMCD
SPC MCD 312020
MTZ000-312215-
MESOSCALE DISCUSSION 2086
NWS STORM PREDICTION CENTER NORMAN OK
0320 PM CDT WED AUG 31 2011
AREAS AFFECTED...SRN INTO E CNTRL MT
CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE
VALID 312020Z - 312215Z
STORMS SHOULD GRADUALLY INCREASE IN COVERAGE THROUGH THE
EVENING...WITH SEVERE WIND AND MARGINAL HAIL POSSIBLE. A WW COULD BE
NEEDED.
VIS IMAGERY AND RADAR SHOW STORMS INCREASING ACROSS SWRN MT AND NWRN
WY...IN A ZONE OF SWLY UPSLOPE FLOW...AND ALSO WHERE COOLING ALOFT
CONTINUES. BOUNDARY LAYER DEWPOINTS IN THE 40S HAS GIVEN WAY TO
MUCAPE TO ABOUT 1000-1500 J/KG.
WITH CONTINUED HEATING...AND LIFT WITH THE UPPER TROUGH...STORMS
SHOULD CONTINUE TO INCREASE ALONG AND AHEAD OF THE COLD
FRONT...WHERE CIN IS BEING ERODE BY DIFFERENTIAL COOLING. AMPLE
FLOW/SHEAR EXISTS FOR FAST MOVING STORMS CAPABLE OF DAMAGING WIND
GUSTS AND PERHAPS MARGINAL HAIL.
..JEWELL.. 08/31/2011
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...BYZ...GGW...TFX...
LAT...LON 45930688 45330809 45100948 45191081 45841103 46810935
47740820 48330715 48290629 47660559 46800578 45930688
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