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[Severe Weather Outlook Day 1]

ACUS01 KWNS 241254
SWODY1
SPC AC 241253

DAY 1 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK
0653 AM CST FRI MAR 24 2006

VALID 241300Z - 251200Z

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...
BLOCKY PATTERN WILL PERSIST ACROSS NOAM THIS PERIOD.  WRN MEMBER OF
BLOCK...UPR LOW NOW CENTERED OFF THE BC COAST...LIKELY WILL MOVE
LITTLE THROUGH SATURDAY AS SEVERAL SHORTWAVE IMPULSES ROTATE ABOUT
IT.  LEAD IMPULSE NOW OFF THE WA COAST SHOULD MOVE N/NE ACROSS WRN
WA BY LATE TODAY BEFORE CONTINUING N INTO BC TONIGHT/EARLY SATURDAY.
 UPSTREAM DISTURBANCE NOW NEAR 44N/140W SHOULD CONTINUE E/SE TO JUST
OFF THE NRN CA COAST BY 12Z SUNDAY.

...NW U.S...
NW/SE-ORIENTED TROUGH AXIS ASSOCIATED WITH LEAD UPR DISTURBANCE WILL
LIFT NNE ACROSS NW ORE/WRN WA LATER THIS MORNING/EARLY THIS
AFTERNOON.  ASSOCIATED ENHANCED LARGE SCALE ASCENT AND MID LEVEL
COOLING...COUPLED WITH MODEST SURFACE HEATING/OROGRAPHIC
UPLIFT...MAY YIELD A BAND OR TWO OF THUNDER ALONG THE CASCADES AND
EWD INTO THE COLUMBIA RIVER BASIN.  MORE ISOLATED ACTIVITY MAY FORM
DURING THE MID TO LATE AFTERNOON E INTO THE WA DESERTS.  WEAK
INSTABILITY WILL LIMIT UPDRAFT STRENGTH...BUT STEEPENING MID LEVEL
LAPSE RATES AND MODERATE TO STRONG MEAN FLOW MAY YIELD SMALL
HAIL/GUSTY WINDS IN SOME CELLS.  THE STORMS SHOULD DIMINISH IN
COVERAGE/WEAKEN BY THIS EVENING AS BOUNDARY LAYER COOLS AND FORCING
FOR ASCENT LIFTS N INTO CANADA.

LATE IN THE PERIOD...ADDITIONAL STORMS MAY APPROACH THE ORE/FAR NRN
CA COAST AS NEXT AND POSSIBLY STRONGER IMPULSE NEARS REGION.

..CORFIDI/CROSBIE.. 03/24/2006