Oct- 1-2004 0800 UTC Day 2 Convective Outlook
Updated: Fri Oct 1 07:12:39 UTC 2004
Categorical Graphic
20041001 0800 UTC Day 2 Outlook Graphic
Probablistic Graphic
20041001 0800 UTC Day Probabilitic Graphic
   SPC AC 010710
   
   DAY 2 CONVECTIVE OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0210 AM CDT FRI OCT 01 2004
   
   VALID 021200Z - 031200Z
   
   THERE IS A SLGT RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 15 WNW
   TTN 25 NNE NHK 15 SSW RIC 35 NE DAN 25 SSW SSU 45 ENE CRW 25 SSE PIT
   20 NNW DUJ 25 W ELM 20 SW BGM 35 ESE AVP 15 WNW TTN.
   
   GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 20 SSE TLH 50 NNE MGR
   35 NW MCN 25 SW TUP 25 N MEM 45 SW LUK 45 WSW ERI.
   
   GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 30 N PBG 10 WSW PWM.
   
   GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 40 E DUG 20 NE INW 40
   NNE BCE 35 SE SLC 4FC 30 E LVS 45 ENE ROW 30 NE INK 35 SE MAF 35 ESE
   ABI 40 SE DAL 40 SSE GGG 20 NW BPT 50 N PSX 40 WNW LRD.
   
   ...THERE IS A SLGT RISK OF SVR TSTMS PORTIONS OF THE NORTHEASTERN
   U.S......
   
   ...SYNOPSIS...
   SPLIT FLOW WITH STRONG TROUGH IN NRN BRANCH WRN GREAT LAKES 12Z SAT
   MOVING RAPIDLY EWD DURING FIRST HALF OF FORECAST PERIOD THEN NEWD
   ACROSS ST LAWRENCE RIVER VALLEY AND NRN NEW ENGLAND SAT NIGHT. SRN
   STREAM EXTENDS FROM SWRN U.S. EWD ACROSS TN VALLEY TO ATLANTIC
   COAST. A LOW AMPLITUDE S/WV TROUGH MOVES RAPIDLY EWD FROM MID MS
   VALLEY SAT AM TO OFF CAROLINA COAST BY 12Z SUN.
   
   STRONG EARLY FALL COLD FRONT BY 12Z SAT WILL BE MOVING EWD ACROSS
   UPPER OH VALLEY AND EXTENDING SWWD INTO CENTRAL TX. COLD FRONT
   REACHES WRN NEW ENGLAND BY SAT EVENING SWWD ALONG APPALACHIANS INTO
   NRN GULF STATES.
   
   ...PA/MD/WV/VA...
   LOW LEVEL MOISTURE PRECEDING COLD FRONT WILL INCREASE WITH SURFACE
   DEWPOINTS RISING TO AROUND 60F.  COUPLED WITH DAYTIME HEATING...AIR
   MASS WILL BECOME MODERATELY UNSTABLE WITH MLCAPES CLIMBING TO AROUND
   1000 J/KG FROM PA SWD INTO VA. WHILE THE STRONG FORCING FROM NRN
   BRANCH TROUGH EXPECTED TO REMAIN N OF THE AREA OF BETTER
   INSTABILITY...THE 30-40KT DEEP LAYER SHEAR AND FRONTAL LIFTING
   EXPECTED TO SUPPORT ORGANIZED THUNDERSTORM DEVELOPMENT.  GIVEN THE
   LIMITED INSTABILITY AND LAPSE RATES GENERALLY LESS THAN 6.5
   C/KM...PRIMARY SEVERE THREAT WILL BE DAMAGING WINDS AND MARGINALLY
   SEVERE HAIL...MOST LIKELY DURING AFTERNOON/EVENING.
   
   ..HALES.. 10/01/2004
   
   ...NOTICE...
   FOR USERS DECODING THE POINTS PARAGRAPH HEREIN...LATITUDE AND
   LONGITUDE POINTS FOR THE CATEGORICAL AND PROBABILISTIC OUTLOOK
   GRAPHICS ALSO ARE LOCATED IN A SEPARATE PRODUCT UNDER THE WMO
   HEADINGS WUUS01 PTSDY1...WUUS02 PTSDY2...AND WUUS03 PTSDY3.  THE
   INCLUSION OF POINTS IN THIS PRODUCT WILL EVENTUALLY BE DISCONTINUED.
   
   NOTE: THE NEXT DAY 2 OUTLOOK IS SCHEDULED FOR 1730Z