SWOMCD
SPC MCD 250241
AZZ000-250415-
MESOSCALE DISCUSSION 1906
NWS STORM PREDICTION CENTER NORMAN OK
0941 PM CDT THU JUL 24 2008
AREAS AFFECTED...PARTS OF CENTRAL AND SRN AZ
CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE
VALID 250241Z - 250415Z
SEVERE THREAT MAY CONTINUE FOR AT LEAST THE NEXT 2-3 HOURS ACROSS
PARTS OF CENTRAL AND SRN AZ. WW ISSUANCE WILL BE POSSIBLE.
WV IMAGERY SHOWS AN PRONOUNCED CIRCULATION CENTER MOVING WWD ACROSS
NWRN MEXICO/THE NRN GULF OF CA ATTM...WITH 25 TO 30 KT ELYS OBSERVED
N OF THIS FEATURE/ACROSS CENTRAL AND SRN AZ. MEANWHILE...LOW-LEVEL
WLY FLOW AROUND 10 KT IS INDICATED ACROSS THE LOWER TERRAIN...WHERE
TEMPERATURES REMAIN WELL OVER 100 DEGREES W OF THE ONGOING
CONVECTION. THIS DEEP-LAYER FLOW FIELD IS SUPPORTING A WWD
MIGRATION OF STORMS OUT OF ERN AZ...ATOP A VERY WARM/DEEP BOUNDARY
LAYER IN PLACE ACROSS CENTRAL AZ. INSTABILITY APPEARS SUFFICIENT TO
SUPPORT A CONTINUATION OF THE CONVECTION...AND GIVEN THE DEEP
BOUNDARY LAYER...AN ASSOCIATED THREAT FOR LOCALLY DAMAGING WIND
GUSTS SHOULD PERSIST FOR AT LEAST THE NEXT FEW HOURS.
..GOSS.. 07/25/2008
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...TWC...FGZ...PSR...
35241145 34551112 33081066 31551120 31921298 32331288
33521229 34201230 35071249
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