SPC AC 040549
   
   DAY 1 CONVECTIVE OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   1149 PM CST THU NOV 03 2005
   
   VALID 041200Z - 051200Z
   
   GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 25 NE BLI 30 SE SEA
   30 NW PDX 60 SW AST.
   
   GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 25 WSW JXN 15 S MTC
   30 SSW ERI 10 WSW PIT 30 NNW HTS LEX 20 NW BWG 25 ENE PAH 35 SW SPI
   25 S PIA 25 SSW MMO 25 WSW JXN.
   
   ...NO SVR TSTM AREAS FORECAST...
   
   ...SYNOPSIS...
   BROAD UPPER TROUGH WILL PERSIST OVER THE CONUS THROUGH THE
   PERIOD...WITH FAST WESTERLY UPPER FLOW PREVALENT. AS SEVERAL LOW
   AMPLITUDE IMPULSES TRANSLATE EWD ACROSS THE NRN PLAINS/UPPER
   MIDWEST...COLD FRONT FROM THE WRN GREAT LAKES TO THE CNTRL PLAINS
   WILL SLOWLY PROGRESS EWD TODAY/TONIGHT. IN THE WEST...NEXT IN SERIES
   OF UPPER TROUGHS WILL REACH THE PACIFIC NORTHWEST THIS EVENING.
   
   ...OHIO VALLEY...
   AIRMASS IS LIKELY TO REMAIN MUCH TOO DRY/CAPPED DURING THE DAY TO
   SUPPORT TSTM DEVELOPMENT...HOWEVER MODEST TSTM PROBABILITIES ARE
   EXPECTED TO INCREASE POST-00Z ACROSS THE OHIO VALLEY. WITH GRADUAL
   NEWD MOISTURE TRANSPORT INTO THE REGION DURING THE DAY/EVENING...WRN
   GREAT LAKES SHORTWAVE TROUGH/INCREASING LOW LEVEL JET WILL LIKELY
   SUPPORT AT LEAST ISOLD TSTM DEVELOPMENT ALONG/AHEAD OF THE COLD
   FRONT TONIGHT. ALTHOUGH 00Z BASED DETERMINISTIC MODELS ARE LARGELY
   DRY...21Z SREF MEMBERS SUPPORT AT LEAST LOW-END TSTM COVERAGE.
   MODEST MOISTURE AND INSTABILITY -- GENERALLY 500 J/KG MUCAPE OR LESS
   PER 00Z NAM/21Z NAMKF FORECAST SOUNDINGS -- SUGGEST SEVERE POTENTIAL
   WILL BE LIMITED.
   
   ...PACIFIC NORTHWEST...
   UPPER TROUGH /CURRENTLY OFF THE BRITISH COLUMBIA COAST AROUND 135W/
   IS FORECAST TO REACH WRN WA LATE THIS AFTERNOON/EARLY EVENING. STEEP
   MID LEVEL LAPSE RATES ASSOCIATED WITH COOLING 500 MB TEMPS /AROUND
   -30C/ MAY SUPPORT ISOLD TSTMS...PRIMARILY ALONG THE WA COASTAL
   RANGE/PUGET SOUND VICINITY.
   
   ..GUYER/EDWARDS.. 11/04/2005
   
   ...NOTICE...
   THE STATION RELATIVE POINTS IN THIS PRODUCT ARE NOW AVAILABLE
   SEPARATELY UNDER THE WMO HEADINGS WUUS01 PTSDY1...
   WUUS02 PTSDY2...WUUS03 PTSDY3.  THE INCLUSION OF POINTS
   IN THIS DISCUSSION WILL BE DISCONTINUED AFTER THE 2005
   CONVECTIVE SEASON.  A PUBLIC NOTIFICATION STATEMENT (PNS)
   WILL PROVIDE DETAILS ON THE TRANSITION.
   
   CLICK TO GET WUUS01 PTSDY1 PRODUCT

   NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 1300Z