Saturday, October 1, 2011

DAY2SVR: Nws Storm Prediction Center Norman Ok

ACUS02 KWNS 011717
SWODY2
SPC AC 011715

DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1215 PM CDT SAT OCT 01 2011

VALID 021200Z - 031200Z

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...
THE LARGE SCALE PATTERN WILL FLUCTUATE LITTLE THROUGH SUNDAY AS AN
AMPLIFIED LONGWAVE REGIME PREVAILS. A DEEP/CLOSED EASTERN CONUS
LONGWAVE TROUGH WILL REMAIN CENTERED OVER THE NORTH-CENTRAL
APPALACHIANS/MID-ATLANTIC STATES...WITH A BROAD UPPER RIDGE
GRADUALLY SHIFTING EASTWARD OVER THE CENTRAL STATES AHEAD OF AN
AMPLIFYING EASTERN PACIFIC/WEST COAST UPPER TROUGH.

A COOL/STABLE AIRMASS WILL BE PREVALENT EAST OF THE ROCKIES ON
SUNDAY...ALTHOUGH ISOLATED/EMBEDDED TSTMS MAY BE POSSIBLE ACROSS
PORTIONS OF EASTERN NY/NEW ENGLAND AMID A WEAKLY UNSTABLE
ENVIRONMENT. ISOLATED TO SCATTERED TSTMS WILL OTHERWISE BE POSSIBLE
MAINLY SUNDAY AFTERNOON/EARLY EVENING ACROSS THE ROCKIES/INTERIOR
WEST/EASTERN GREAT BASIN. IN EITHER CASE...SEVERE TSTMS ARE NOT
EXPECTED.

..GUYER.. 10/01/2011

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