SWODY1
SPC AC 061613
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1013 AM CST FRI NOV 06 2009
VALID 061630Z - 071200Z
...NO SVR TSTM AREAS FORECAST...
...WRN WA/WRN OREGON...
COLD UPPER LOW OVER THE NRN GULF AK IS FORECAST TO REMAIN
QUASI-STATIONARY THROUGH TONIGHT WITH STRONG DEEP LAYER WESTERLY
FLOW PERSISTING FROM THE ERN PACIFIC INTO THE PACIFIC NW. 12Z UIL
SOUNDING EXHIBITS STEEP LAPSE RATES NEAR 8C/KM FROM THE SURFACE
THROUGH NEARLY 400 MB AND MUCAPE OF AROUND 300 J/KG...WITH AMPLE
UPWARD MOTION THROUGH THE MIXED PHASE LAYER TO GENERATE OCCASIONAL
CG LIGHTNING STRIKES OVER WRN PARTS OF WA AND OREGON. THUNDERSTORM
POTENTIAL MAY INCREASE DURING THE 00-06Z PERIOD AS AN UPSTREAM SHORT
WAVE TROUGH AND ASSOCIATED SURFACE TROUGH APPROACH THE WA COAST.
...NERN WA/NRN ID...
ISOLATED LIGHTNING STRIKES MAY DEVELOP THROUGH THE AFTERNOON HOURS
OVER THIS AREA AS DIURNAL HEATING COUPLED WITH MID LEVEL COOLING
STEEPEN LOW-MID LEVEL LAPSE RATES...RESULTING IN DESTABILIZATION AND
MUCAPE OF 200-400 J/KG. MOST FAVORABLE REGIONS FOR CONVECTION WILL
BE WHERE OROGRAPHIC UPSLOPE FLOW ENHANCES UPWARD VERTICAL MOTION.
..WEISS/JEWELL.. 11/06/2009
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
To unsubscribe from WX-STORM send e-mail to LISTSERV@LISTSERV.ILLINOIS.EDU with
"unsub wx-storm" in the body of your message. For more information write cnovy@cox.net.
No comments:
Post a Comment