Saturday, October 27, 2012

DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 271235
SWODY1
SPC AC 271233

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0733 AM CDT SAT OCT 27 2012

VALID 271300Z - 281200Z

...NO TSTM AREAS FORECAST...

...SYNOPSIS/FORECAST...
BROAD NEGATIVE-TILT TROUGH WILL PERSIST OVER CNTRL AND NRN NOAM
THROUGH SUN. JET STREAK NOW MOVING SE ACROSS THE NRN RCKYS WILL
SERVE TO FURTHER AMPLIFY THE TROUGH LATER TODAY/TNGT...WITH THE
IMPULSE LIKELY TO REACH NRN MS/AL BY 12Z SUN. THIS SHOULD FOSTER
INCREASED FORWARD MOTION OF HRCN SANDY AS THAT STORM CONTINUES NEWD
OFF THE N FL/GA AND SC COASTS /SEE WWW.NHC.NOAA.GOV FOR DETAILS/.

CURRENT POSITION AND NEWD TRACK OF SANDY WILL KEEP ASSOCIATED AXIS
OF GREATEST SFC THETA-E WELL OFF THE S ATLANTIC COAST THROUGH SUN.
INTERIOR PORTIONS OF THE CONUS...MEANWHILE...WILL CONTINUE TO BE
DOMINATED BY DRY POLAR AIR BUILDING S IN WAKE OF WEAKENING COLD
FRONT NOW EXTENDING FROM NY SSW TO THE ERN GULF OF MEXICO. WITH THE
INCREASINGLY DIFFUSE FRONT PROVIDING LITTLE FOCUS ASCENT...AND WITH
WEAK TO NON-EXISTENT SFC-BASED BUOYANCY PRESENT ELSEWHERE...TSTMS
ARE NOT EXPECTED OVER THE LWR 48 THIS PERIOD.

..CORFIDI/MOSIER.. 10/27/2012

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