Skip Navigation Links weather.gov 
NOAA logo-Select to go to the NOAA homepage NOAA's National Weather Service   Select to go to the NWS homepage
Storm Prediction Center
navigation bar left  
  navigation bar end cap


 
USA.gov is the U.S. Government's official Web portal to all Federal, state and local government Web resources and services.

    Day 2 Outlook >
Oct 31, 2014 1630 UTC Day 1 Convective Outlook
Updated: Fri Oct 31 16:00:29 UTC 2014 (Print Version | 20141031 1630Z Day 1 shapefile | 20141031 1630Z Day 1 KML)
Probabilistic to Categorical Outlook Conversion Table
Categorical Tornado Wind Hail
 Population  Cities/Towns  CWAs  Interstates  Counties  ARTCC  FEMA Regions

 Forecast Discussion
   SPC AC 311600

   DAY 1 CONVECTIVE OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   1100 AM CDT FRI OCT 31 2014

   VALID 311630Z - 011200Z

   ...NO SVR TSTM AREAS FORECAST...

   ...SUMMARY...
   SEVERE THUNDERSTORMS ARE NOT EXPECTED TODAY OR TONIGHT.

   ...SYNOPSIS...
   THE ROCKIES UPPER RIDGE WILL BE FLANKED BY A TROUGH OVER THE EASTERN
   THIRD OF THE U.S. AND A TROUGH OVER THE EASTERN PACIFIC/U.S. WEST
   COAST. AS THIS EASTERN PACIFIC TROUGH MOVES ONSHORE...THE UPPER
   RIDGE WILL SLOWLY MIGRATE E OVER THE PLAINS BY 12Z/SAT. A MEAN
   TROUGH WILL BE MAINTAINED ACROSS THE EASTERN U.S...WITH A COUPLE OF
   EMBEDDED VORTICITY MAXIMA LEADING TO A DEEPENING OF THIS SYSTEM
   THROUGH SATURDAY MORNING. 

   WHILE COLD/DRY SFC HIGH PRESSURE WILL DOMINATE MUCH OF THE CENTRAL
   CONUS...AREAS OF THUNDERSTORMS WILL BE POSSIBLE IN A FEW LOCATIONS.
   ACROSS PARTS OF CA...HEIGHT FALLS/COOLING TEMPERATURES ALOFT
   ACCOMPANYING THE EWD PROGRESSING TROUGH AND MOIST...OROGRAPHIC
   ASCENT SHOULD ALLOW FOR ISOLATED THUNDERSTORMS THIS AFTERNOON INTO
   THE OVERNIGHT HOURS.  ADDITIONAL THUNDERSTORMS WILL BE POSSIBLE IN
   THE VICINITY OF THE SRN ROCKIES/FOUR CORNERS REGION AS A LEAD
   SHORTWAVE IMPULSE EJECTS EWD AHEAD OF THE MAIN PACIFIC TROUGH.
   ELSEWHERE...A FEW LAKE EFFECT THUNDERSTORMS WILL BE POSSIBLE OVER
   SRN LAKE MICHIGAN AN ADJACENT AREAS JUST DOWNSTREAM AS A STRONG VORT
   MAX PIVOTS SEWD OVER THIS REGION. THE RESULTING STRONG HEIGHT FALLS
   AND COOLING TEMPERATURES/STEEPENING LAPSE RATES ATOP FAVORABLE
   TRAJECTORIES OVER THE RELATIVELY WARMER LAKE WATERS MAY PRODUCE A
   FEW LIGHTNING STRIKES IN ADDITION TO SOME SLEET/SNOW. LATER TODAY
   INTO TONIGHT...ADDITIONAL ISOLATED STORMS MAY OCCUR OVER PARTS OF
   THE SRN APPALACHIANS AS A SECONDARY SHORTWAVE IMPULSE ROTATES
   THROUGH THE BASE OF THE MEAN TROUGH.

   ..LEITMAN.. 10/31/2014

   CLICK TO GET WUUS01 PTSDY1 PRODUCT

   NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 2000Z

        
Top/Latest Day 2 Outlook/Today's Outlooks/Forecast Products/Home
Weather Topics:
Watches, Mesoscale Discussions, Outlooks, Fire Weather, All Products, Contact Us

NOAA / National Weather Service
National Centers for Environmental Prediction
Storm Prediction Center
120 David L. Boren Blvd.
Norman, OK 73072 U.S.A.
spc.feedback@noaa.gov
Page last modified: October 31, 2014
Disclaimer
Information Quality
Help
Glossary
Privacy Policy
Freedom of Information Act (FOIA)
About Us
Career Opportunities