Saturday, July 31, 2010

MESO: Mesoscale Discussion 1520

ACUS11 KWNS 312302
SWOMCD
SPC MCD 312302
MTZ000-WYZ000-IDZ000-010100-

MESOSCALE DISCUSSION 1520
NWS STORM PREDICTION CENTER NORMAN OK
0602 PM CDT SAT JUL 31 2010

AREAS AFFECTED...WRN AND CENTRAL MT AND VICINITY

CONCERNING...SEVERE THUNDERSTORM WATCH 554...

VALID 312302Z - 010100Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 554
CONTINUES.

WHILE A NEWD/ARCING SURGE OF LOCALLY SEVERE STORMS CONTINUES ACROSS
WRN AND CENTRAL MT IN AND NEAR WW 554...OTHER/MORE ISOLATED CELLS
ARE ONGOING FARTHER SW...SPREADING ACROSS SWRN PORTIONS OF THE
WATCH. WITH MODEST BUT SUFFICIENT INSTABILITY ACROSS THIS REGION
AND 35 TO 45 KT SWLY MID-LEVEL FLOW...ORGANIZED/SEVERE STORMS WILL
LIKELY PERSIST OVER THE NEXT SEVERAL HOURS. MAIN THREAT WITH THE
ARCING BAND OF CONVECTION WILL LIKELY BE LOCALLY DAMAGING
WINDS...WHILE HAIL WILL ALSO BE POSSIBLE WITH MORE ISOLATED CELLS
DEVELOPING IN THE WAKE OF THE INITIAL CONVECTIVE BAND.

..GOSS.. 07/31/2010

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

ATTN...WFO...BYZ...GGW...RIW...TFX...PIH...MSO...

LAT...LON 44531321 46421442 47701371 49230950 49220824 46500695
44890822 43411174 44531321

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