DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 070557
SWODY1
SPC AC 070556

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1156 PM CST SUN JAN 06 2013

VALID 071200Z - 081200Z

...NO SVR TSTM AREAS FORECAST...

...DISCUSSION...
AS A TROUGH MOVES OFF THE E COAST EARLY IN THE PERIOD...A SPLIT-FLOW
PATTERN WILL PREVAIL OVER THE CONUS THROUGH THE PERIOD. A
FAST/PROGRESSIVE NRN STREAM IS PROGGED TO REMAIN OVER THE NRN STATES
AND SRN CANADA...WITH SEVERAL TROUGHS MOVING QUICKLY EWD WITHIN THIS
FAST FLOW FIELD.

FARTHER S IN THE SRN STREAM...A LARGE/SLOW-MOVING UPPER LOW IS
FORECAST TO PREVAIL...DIGGING SSEWD ACROSS BAJA/THE GULF OF CA
THROUGH THE FIRST HALF OF THE PERIOD BEFORE TURNING MORE SEWD AND
SHIFTING ACROSS NWRN MEXICO LATE.

SHOWERS AND A FEW THUNDERSTORMS ARE EXPECTED OVER NRN MEXICO AND
PERHAPS INTO ADJACENT PARTS OF SERN AZ/SRN NM/FAR W TX THROUGH THE
DAY. LATER...AS THE PERIOD DRAWS TO A CLOSE...AN INCREASE IN
SHOWERS AND LATER SCATTERED/ELEVATED THUNDERSTORMS ARE FORECAST
ACROSS S TX AND EVENTUALLY NWD INTO THE HILL COUNTRY AND MIDDLE TX
COAST. WITH INSTABILITY ELEVATED AND LIKELY TO REMAIN WEAK...LITTLE
TO NO SEVERE THREAT IS EVIDENT.

..GOSS/DISPIGNA.. 01/07/2013

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