DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 140545
SWODY1
SPC AC 140542

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1242 AM CDT SAT SEP 14 2013

VALID 141200Z - 151200Z

...NO SVR TSTM AREAS FORECAST...

...DISCUSSION...
A QUIESCENT PATTERN FOR ORGANIZED SEVERE WEATHER IS ANTICIPATED TO
PERSIST THROUGH SAT. AN AMPLIFIED LARGE-SCALE TROUGH OVER THE EAST
WILL SHIFT OFF THE ATLANTIC SEABOARD. A PAIR OF SHORTWAVE IMPULSES
/ONE OVER THE NRN HIGH PLAINS AND THE OTHER OVER NRN MANITOBA/ WILL
AID IN THE FORMATION OF A TROUGH FROM HUDSON BAY TO THE GREAT LAKES
BY EARLY SUN. SCATTERED STORMS SHOULD FORM ALONG A DEVELOPING
BAROCLINIC ZONE OVER PARTS OF THE CNTRL PLAINS/MID-MO VALLEY THIS
AFTERNOON INTO TONIGHT. A FEW STRONG STORMS ARE POSSIBLE BUT THE
COMBINATION OF MODEST INSTABILITY AND SHEAR SHOULD LIMIT UPDRAFT
INTENSITY. ELSEWHERE...SCATTERED TO NUMEROUS STORMS WILL FORM THIS
AFTERNOON/EVENING OVER PARTS OF THE ROCKIES/INTERMOUNTAIN
WEST...WITH ISOLATED TO SCATTERED STORMS ALONG A DECAYING SURFACE
FRONT NEAR THE GULF AND S ATLANTIC COASTS.

..GRAMS/ROGERS.. 09/14/2013

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