Thursday, September 11, 2008

MESO: Mesoscale Discussion 2247

ACUS11 KWNS 111850
SWOMCD
SPC MCD 111849
AZZ000-CAZ000-112045-

MESOSCALE DISCUSSION 2247
NWS STORM PREDICTION CENTER NORMAN OK
0149 PM CDT THU SEP 11 2008

AREAS AFFECTED...SERN CA AND SWRN AZ

CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY

VALID 111849Z - 112045Z

DUE TO LOCALIZED THREAT WATCH IS NOT ANTICIPATED

STRONG THUNDERSTORMS ARE DEVELOPING JUST S OF THE BORDER OF SERN
CA/SWRN AZ. VERY MOIST SLY FLOW UP THE G OF CA COUPLED WITH STEEP
LAPSE RATES ASSOCIATED WITH THE WEAK UPR LOW JUST W OF NRN BAJA ARE
COMBINING TO SUPPORT A LOCALIZED AREA OF MDT/STG INSTABILITY. WITH
SBCAPES ABOVE 2500 J/KG STORMS WILL CONTINUE TO DEVELOP N AND E
ACROSS BORDER INTO IMPERIAL VALLEY AND SWRN DESERT VALLEYS OF AZ.
NEW STORMS WILL DEVELOP ON OUTFLOW OF EXISTING CONVECTION AND RESULT
IN POTENTIAL FOR STRONG ISOLATED DAMAGING WINDS SPREADING NWD INTO
THIS AREA N OF MEX BORDER.

..HALES.. 09/11/2008

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

ATTN...WFO...PSR...

32531330 32301410 32591537 33321541 33701508 33741434
33631374 33531371

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