[SWODY1] SWODY1

[Severe Weather Outlook Day 1]

ACUS01 KWNS 191615
SWODY1
SPC AC 191613

DAY 1 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK
1013 AM CST SUN FEB 19 2006

VALID 191630Z - 201200Z

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...
MODERATE WSW FLOW WILL CONTINUE ACROSS THE SERN HALF OF THE
NATION...DOWNSTREAM FROM ELONGATED TROUGH NOW OVER NRN CA AND THE
NRN GRT BASIN. CONFLUENT FLOW ALOFT WILL MAINTAIN SURFACE RIDGING
ACROSS MUCH OF THE CNTRL AND ERN U.S...WITH ARCTIC AIR REMAINING
SUFFICIENTLY DEEP TO PRECLUDE TSTMS. 

...CNTRL/SRN CA...
UPPER IMPULSE WHICH DROPPED SSE ALONG THE CA CST IN THE LAST 24 HRS
WILL MOVE E ACROSS S CNTRL CA TODAY AND INTO THE SRN GRT BASIN BY
THIS EVENING.  ASSOCIATED SURFACE CONVERGENCE ZONE/COLD FRONT HAS
REACHED THE LOS ANGELES BASIN AND WILL CONTINUE E ACROSS THE
REMAINDER OF SRN CA THROUGH MIDDAY.

RELATIVELY STEEP MID LEVEL LAPSE RATES WILL ACCOMPANY UPPER IMPULSE
AS IT CROSSES SRN CA.  STEEPER LAPSE RATES WILL EXIST CLOSER TO MAIN
UPPER TROUGH AXIS OVER THE CNTRL PART OF THE STATE.  SURFACE HEATING
AND OROGRAPHIC ASCENT IN THESE AREAS WILL YIELD MODEST LOW LEVEL
DESTABILIZATION AND LIKELY LEAD TO SCATTERED DIURNAL CONVECTION.  A
FEW CELLS MAY PRODUCE LIGHTNING AND PERHAPS SMALL HAIL...ESPECIALLY
ALONG THE CNTRL CA CST AND PERHAPS IN THE SACRAMENTO VLY.

..CORFIDI/EVANS.. 02/19/2006

...NOTICE...
THE STATION RELATIVE POINTS IN THIS PRODUCT WERE
DISCONTINUED ON 14 FEBRUARY 2006 AND ARE NOW AVAILABLE
IN THE FOLLOWING PRODUCTS:

   WMO HEADER:       AWIPS ID:
   WUUS01            PTSDY1
   WUUS02            PTSDY2
   WUUS03            PTSDY3

A SERVICE CHANGE NOTICE ...SCN05-39... PROVIDES DETAILS
ON THIS TRANSITION. FOR ADDITIONAL DETAILS SEE THE FOLLOWING
WEB ADDRESS USING LOWER CASE LETTERS:
WWW.NWS.NOAA.GOV/OM/NOTIF.HTM