Storm Prediction Center Mesoscale Discussion 1444

Severe thunderstorm warning nr CA.
MESOSCALE DISCUSSION 1444
NWS STORM PREDICTION CENTER NORMAN OK
0924 PM CDT FRI JUL 29 2016

AREAS AFFECTED...PORTIONS OF CNTRL/SRN AZ

CONCERNING...SEVERE THUNDERSTORM WATCH 424...

VALID 300224Z - 300330Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 424
CONTINUES.

SUMMARY...A LOCALLY DAMAGING WIND THREAT CONTINUES ACROSS WW 424.

DISCUSSION...RECENT RADAR IMAGERY SHOWS OUTFLOW SURGING WELL AHEAD
OF AN ONGOING BROKEN LINE OF CONVECTION ARCING FROM SERN YAVAPAI
COUNTY AZ SEWD TO JUST NW OF THE TUCSON AREA. SEVERAL REPORTS OF
SEVERE WIND GUSTS HAVE BEEN RECEIVED OVER THE PAST 2-3 HOURS...AND
RADAR VELOCITIES FROM KIWA SHOW LOCALLY DAMAGING WIND GUSTS REMAIN
POSSIBLE AS CONVECTION APPROACHES THE PHOENIX METRO AREA FROM THE
N...E...AND SE. THE THERMODYNAMIC ENVIRONMENT REMAINS FAVORABLE FOR
EFFICIENT PROCESSING OF CONVECTIVE DOWNDRAFT WINDS...ALTHOUGH WEAK
MID-LEVEL WINDS CONTINUE TO LIMIT STORM ORGANIZATION. THE OVERALL
SEVERE THREAT SHOULD SLOWLY DIMINISH OVER THE NEXT SEVERAL HOURS AS
THE LOW LEVELS BEGIN TO STABILIZE WITH THE LOSS OF DIURNAL HEATING.

..GLEASON.. 07/30/2016


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

LAT...LON 32 [login to see] [login to see] 8 33 [login to see] [login to see] 3
32 [login to see] [login to see] 6 32021334

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