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SPC Forecast Products
Storm Prediction Center
- SPC - No watches are valid as of Tue Feb 9 12:38:02 UTC 2010
posted on February 09, 2010 05:37:07 am
No watches are valid as of Tue Feb 9 12:38:02 UTC 2010. - SPC - No MDs are in effect as of Tue Feb 9 12:38:02 UTC 2010
posted on February 09, 2010 05:37:06 am
No Mesoscale Discussions are in effect as of Tue Feb 9 12:38:02 UTC 2010. - SPC Feb 9, 2010 1300 UTC Day 1 Convective Outlook
posted on February 09, 2010 05:37:12 am
SPC 1300Z Day 1 Outlook DAY 1 CONVECTIVE OUTLOOK NWS STORM PREDICTION CENTER NORMAN OK 0634 AM CST TUE FEB 09 2010 VALID 091300Z - 101200Z ...NO SVR TSTM AREAS FORECAST... ...SYNOPSIS... PHASING OF WEAKENING SRN STREAM SYSTEM AND ASSOCIATED INTENSE SRN STREAM MID/UPPER LEVEL JET...WITH DOMINANT NRN STREAM SYSTEM OVER THE LOWER MO RIVER VALLEY...WILL OCCUR OVER THE MID WEST/APPALACHIANS TODAY. THIS WILL SUPPORT POTENT SYSTEM AND ATTENDANT NEGATIVELY-TILTED MID LEVEL TROUGH ACROSS THE UPPER OH VALLEY INTO THE SOUTHEAST BY TONIGHT...WITH DEEPENING/ CONSOLIDATING SURFACE CYCLONE OCCURRING JUST OFF THE MID ATLANTIC COAST BY MORNING. MEANWHILE...THE NEXT SIGNIFICANT VORTICITY MAXIMUM/MIDLEVEL CIRCULATION WILL DIG SEWD ALONG THE CA COAST. Read more - SPC Feb 9, 2010 Day 4-8 Convective Outlook
posted on February 09, 2010 02:35:23 am
Day 4-8 Outlook DAY 4-8 CONVECTIVE OUTLOOK NWS STORM PREDICTION CENTER NORMAN OK 0334 AM CST TUE FEB 09 2010 VALID 121200Z - 171200Z ...DISCUSSION... A SRN STREAM TROUGH WILL CONTINUE EWD ACROSS THE SRN U.S. EARLY IN THE PERIOD...WITH A SURFACE LOW OVER THE GULF -- ALONG THE MAIN SURFACE BAROCLINIC ZONE -- PROGGED TO SHIFT ACROSS OR JUST S OF FL THROUGH DAY 4 /FRI. FEB. 12/. IN THE WAKE OF THIS LOW...CONTINUED REINFORCEMENT OF THE COOL CONTINENTAL AIRMASS ACROSS THE CENTRAL AND ERN CONUS IS EXPECTED...AS A LARGE TROUGH SLOWLY EVOLVES ACROSS THE CENTRAL AND ERN CONUS. GIVEN THIS...AND GENERAL RIDGING OVER THE WEST...LITTLE POTENTIAL FOR ROBUST DEEP MOIST CONVECTION IS INDICATED THROUGH DAY Read more - SPC Day 1 Fire Weather Outlook
posted on February 08, 2010 11:57:29 pm
SPC Day 1 Fire Weather Outlook DAY 1 FIRE WEATHER OUTLOOK NWS STORM PREDICTION CENTER NORMAN OK 1255 AM CST TUE FEB 09 2010 VALID 091200Z - 101200Z ...NO CRITICAL AREAS... ...SYNOPSIS... PHASING UPPER SYSTEMS OVER THE MIDWEST WILL MOVE EWD TO THE CNTRL APPALACHIANS AS THE PRIMARY SURFACE LOW DEVELOPS OVER THE SERN U.S. NEWD TOWARDS THE MID-ATLANTIC REGION. SURFACE HIGH PRESSURE WILL MOVE INTO THE CNTRL STATES IN WAKE OF THE DEPARTING SYSTEM. A COLD FRONT WILL PUSH S AND E OVER THE SERN STATES WITH SHOWERS AFFECTING THIS REGION. FARTHER W...ANOTHER DISTURBANCE WILL AFFECT CA WITH PRECIPITATION SPREADING INLAND. CRITICAL FIRE WEATHER WILL CONTINUE TO BE NON-EXISTENT ACROSS THE LOWER 48. Read more - SPC Day 2 Fire Weather Outlook
posted on February 08, 2010 11:57:55 pm
SPC Day 2 Fire Weather Outlook DAY 2 FIRE WEATHER OUTLOOK NWS STORM PREDICTION CENTER NORMAN OK 1256 AM CST TUE FEB 09 2010 VALID 101200Z - 111200Z ...NO CRITICAL AREAS... ...SYNOPSIS... A COLD AIRMASS WILL RESIDE OVER PORTIONS OF THE LOWER 48 E OF THE ROCKIES WEDNESDAY AHEAD OF AN APPROACHING STORM TAKING A SRN TRACK AND MOVING EWD ALONG THE U.S. MEXICAN BORDER. HIGH PRESSURE WILL INFLUENCE WEATHER CONDITIONS OVER MUCH OF THE U.S. UNSUPPORTIVE FIRE WEATHER CONDITIONS WILL CONTINUE ACROSS THE CONUS. ..SMITH.. 02/09/2010 ...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT... Read more - SPC Day 3-8 Fire Weather Outlook
posted on February 09, 2010 02:51:29 am
SPC Day 3-8 Fire Weather Outlook DAY 3-8 FIRE WEATHER OUTLOOK NWS STORM PREDICTION CENTER NORMAN OK 0350 AM CST TUE FEB 09 2010 VALID 111200Z - 171200Z ...DISCUSSION... LATE IN THE WORK WEEK A LOWER LATITUDE SYSTEM WILL TRAVERSE ACROSS THE GULF COAST STATES AS A SERIES OF CANADIAN CLIPPER SYSTEMS ACT TO AID IN REINFORCING A LARGE SCALE UPPER TROUGH E OF THE ROCKIES THROUGH THE EXTENDED PERIOD. LOWER RH MAY INFILTRATE PARTS OF THE SERN U.S. BY SATURDAY IN A POST-FRONTAL REGIME. IN SUMMARY...THE EXPECTED PATTERN THROUGH EARLY NEXT WEEK WILL LIKELY RESULT IN VERY LOW PROBABILITY OF LARGE SCALE CRITICAL FIRE WEATHER CONDITIONS CONUS-WIDE. ..SMITH.. 02/09/2010 Read more