Tuesday, April 24, 2007

MESO: Mesoscale Discussion 0571

ACUS11 KWNS 250053
SWOMCD
SPC MCD 250053
MOZ000-ARZ000-KSZ000-OKZ000-250230-

MESOSCALE DISCUSSION 0571
NWS STORM PREDICTION CENTER NORMAN OK
0753 PM CDT TUE APR 24 2007

AREAS AFFECTED...EXTREME ERN KS/WRN MO

CONCERNING...TORNADO WATCH 178...180...

VALID 250053Z - 250230Z

THE SEVERE WEATHER THREAT FOR TORNADO WATCH 178...180...CONTINUES.

MUCH OF THE AIRMASS ACROSS ERN KS HAS BEEN OVERTURNED BY RECENT
CONVECTION. THUS...SEVERE THREAT APPEARS TO BE DIMINISHING ACROSS
MUCH OF WW 178...AND ONLY VALID PART OF THIS WATCH IS ACROSS SERN KS
AND FAR WRN MO. LINE OF STORMS APPROACHING MANHATTAN KS MAY PRESENT
A THREAT...BUT THESE STORMS MAY WEAKEN BEFORE REACHING NERN KS. 00Z
SOUNDING FROM TOPEKA SHOWS PRESENCE OF WEAK CAPPING INVERSION IN
WAKE OF CONVECTION.

MEANWHILE...ALTHOUGH STRONG STORMS CONTINUE ACROSS WRN MO...MAIN
THREATS APPEAR TO BE ASSOCIATED WITH STRONG WIND GUSTS/MARGINALLY
SEVERE HAIL AND HEAVY RAIN. EXPANSIVE COLD POOLS ASSOCIATED WITH
ONGOING CLUSTERS WILL NOT ENHANCE INSTABILITY DOWNSTREAM...AND
INSTABILITY IS ALREADY WANING DUE TO SUNSET. LARGELY UNIDIRECTIONAL
WIND PROFILES WILL SUPPORT MORE TRAINING AND POTENTIAL FLASH
FLOODING THROUGH THE EVENING.

.TAYLOR.. 04/25/2007

..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...PAH...MEG...LSX...LZK...SGF...EAX...TSA...

36479245 37009502 38939474 40199430 40119238 36479100

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