SWOMCD
SPC MCD 012341
GAZ000-TNZ000-ALZ000-MSZ000-020045-
MESOSCALE DISCUSSION 0661
NWS STORM PREDICTION CENTER NORMAN OK
0641 PM CDT FRI MAY 01 2009
AREAS AFFECTED...MIDDLE TN...NRN AL...NERN MS
CONCERNING...SEVERE THUNDERSTORM WATCH 221...
VALID 012341Z - 020045Z
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 221
CONTINUES.
ISOLD SEVERE THREAT WILL CONTINUE OVER THE NEXT HOUR OR TWO...WITH
PRIMARY THREATS OF SEVERE HAIL/DMGG WINDS...AND LOCALLY HEAVY
RAINFALL. A GENERAL WEAKENING TREND CAN BE ANTICIPATED THEREAFTER.
WW WILL BE ALLOWED TO EXPIRE.
QUASI-LINEAR MCS IS CONTINUING TO ADVANCE SEWD THROUGH NRN AL/GA AS
AIRMASS IN THE IMMEDIATE VICINITY REMAINS MODERATELY UNSTABLE. DMGG
WINDS/SEVERE HAIL MAY STILL BE SUPPORTED OVER THE NEXT HOUR OR TWO
BEFORE THE SYSTEM GENERALLY WEAKENS AS IT BOTH PROPAGATES AWAY FROM
STRONGER SHEAR TO THE NW...AND ENCOUNTERS MORE STABLE AIR TO THE SE.
ACROSS NWRN PORTIONS OF THE WATCH...CONVECTION DEVELOPING ACROSS
WRN/MIDDLE TN IS SLOWLY MOVING SEWD AS WELL. ALTHOUGH THE AIRMASS
HAS STABILIZED AT THE SURFACE FOLLOWING THE AFOREMENTIONED MCS...A
FEW ELEVATED STORMS CAPABLE OF HAIL REMAIN POSSIBLE. HEAVY RAIN WILL
BE LIKELY AS WELL...AS STORMS CONTINUE TO REDEVELOP IN VERY MOIST
AIRMASS.
..HURLBUT.. 05/01/2009
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...MRX...FFC...OHX...BMX...HUN...MEG...
LAT...LON 34018853 35468856 35778560 34358547 34018853
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