Monday, September 10, 2012

DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 110044
SWODY1
SPC AC 110042

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0742 PM CDT MON SEP 10 2012

VALID 110100Z - 111200Z

...NO SVR TSTM AREAS FORECAST...

...SOUTHERN CA AND PORTIONS OF AZ/SOUTHERN NV...
PER 00Z OBSERVED SOUNDINGS/GPS DERIVED DATA...A RELATIVELY HIGH
MOISTURE CONTENT AIRMASS IS IN PLACE ACROSS SOUTHERN CA/LOWER CO
RIVER VALLEY ON THE PERIPHERY OF AN UPPER LOW NEAR NORTHERN BAJA.
ISOLATED/WIDELY SCATTERED TSTMS WILL PERSIST THIS EVENING ACROSS
INTERIOR SOUTHERN CA AND PORTIONS OF AZ AND EASTERN NV INTO UT.
ESPECIALLY WHERE THE AIRMASS REMAINS HOT/MODERATELY
UNSTABLE...LOCALIZED DOWNBURSTS WILL REMAIN POSSIBLE THROUGH
MID-EVENING.

ELSEWHERE...HIGH-BASED TSTMS MAY PRODUCE GUSTY WINDS THROUGH
MID-EVENING ACROSS EASTERN WY INTO WESTERN SD/FAR NORTHWEST
NEB/SOUTHWEST ND...ALTHOUGH OVERALL SEVERE POTENTIAL WILL REMAIN
LIMITED AMID A MEAGER MOISTURE/BUOYANCY ENVIRONMENT. A FEW TSTMS
WILL ALSO BE POSSIBLE ACROSS CENTRAL/SOUTHERN FL SOUTH OF A
FRONT...BUT ON AN INCREASINGLY ISOLATED BASIS INLAND THIS EVENING AS
THE BOUNDARY LAYER SLOWLY COOLS.

..GUYER.. 09/11/2012

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