Sunday, September 9, 2012

DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 100057
SWODY1
SPC AC 100054

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0754 PM CDT SUN SEP 09 2012

VALID 100100Z - 101200Z

...NO SVR TSTM AREAS FORECAST...

...LOWER CO RIVER VALLEY/SOUTHERN CA...
UPPER LOW WILL CONTINUE TO DRIFT SLOWLY OVER NORTHERN BAJA THROUGH
TONIGHT. A VERY MOIST AIRMASS IS IN PLACE ACROSS THE REGION PER 00Z
OBSERVED SOUNDINGS...BUT ESPECIALLY ACROSS FAR SOUTHERN CA...WHERE
THE SAN DIEGO/MIRAMAR SOUNDING FEATURED A VERY HIGH 1.97 INCH PW
VALUE /WELL ABOVE CLIMO 90TH PERCENTILE/. A LOOSE CLUSTER OF
TSTMS/ASSOCIATED COLD POOL ARE PROPAGATING WEST-NORTHWESTWARD EARLY
THIS EVENING ACROSS SOUTHWEST AZ/LOWER CO RIVER VALLEY...AND A 56 KT
WIND GUST WAS MEASURED AT YUMA AZ AROUND 0032Z. OTHER ISOLATED TSTMS
ARE OCCURRING NEAR THE SOCAL MOUNTAINS. A FEW STRONG TSTMS WILL
REMAIN POSSIBLE FOR A SHORT TIME THIS EVENING /PERHAPS 02Z-03Z/
WITHIN A HOT/MOIST BOUNDARY LAYER...WITH GUSTY/NEAR-SEVERE WINDS THE
PRIMARY HAZARD ASIDE FROM LOCALLY HEAVY RAINFALL.

...ELSEWHERE...
FOR THE FL PENINSULA...ISOLATED/WIDELY SCATTERED SHOWERS AND A FEW
TSTMS WILL REMAIN POSSIBLE TONIGHT ALONG/SOUTH OF A COLD FRONT.
HOWEVER...TSTM POTENTIAL/COVERAGE WILL CONTINUE TO STEADILY DIMINISH
INLAND AS THE BOUNDARY LAYER SLOWLY COOLS.

OTHER NON-SEVERE TSTMS WILL PERSIST ACROSS THE GREAT BASIN...BUT ON
AN INCREASINGLY ISOLATED BASIS THIS EVENING. A FEW OTHER TSTMS MAY
OCCUR ACROSS PORTIONS OF NORTHERN MT.

..GUYER.. 09/10/2012

+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
To unsubscribe from WX-STORM send e-mail to LISTSERV@LISTSERV.ILLINOIS.EDU with
"unsub wx-storm" in the body of your message. For more information write cnovy@cox.net.

No comments: