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.

Mesoscale Discussion 1693
< Previous MD         Next MD >
MD 1693 graphic

   MESOSCALE DISCUSSION 1693
   NWS STORM PREDICTION CENTER NORMAN OK
   0944 AM CDT TUE SEP 09 2014

   AREAS AFFECTED...CNTRL INTO WRN IL

   CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY 

   VALID 091444Z - 091645Z

   PROBABILITY OF WATCH ISSUANCE...20 PERCENT

   SUMMARY...MARGINALLY SEVERE HAIL AND PERHAPS A FEW STRONG WIND GUSTS
   WILL REMAIN POSSIBLE THROUGH LATE MORNING...WITH A SOMEWHAT LOWER
   CHANCE OF SEVERE HAIL AND WIND THIS AFTERNOON ACROSS THE MID
   MO/LOWER OH VALLEY.

   DISCUSSION...A CLUSTER OF CELLS CONTINUES TO EVOLVE SEWD ACROSS IL
   IN ASSOCIATION WITH A WEAK MIDLEVEL DISTURBANCE WITH COOL
   TEMPERATURES ALOFT. ALTHOUGH THE SURFACE AIR MASS IS CURRENTLY
   STABLE PER 12Z ILX SOUNDING...WLY 850 MB FLOW IS HELPING TO MAINTAIN
   A FEED OF ELEVATED INSTABILITY EWD ACROSS MO AND IL. IN
   ADDITION...HEATING UPSTREAM ACROSS THE MO RIVER SHOULD EVENTUALLY
   RESULT IN A REDUCTION IN SBCIN. THE WRN-MOST CELLS CONTINUE TO
   EXHIBIT RELATIVELY LARGER CORES IN CLOSER PROXIMITY TO THE STRONG
   INSTABILITY. WITH TIME...THE NRN ACTIVITY IS EXPECTED TO WANE AS IT
   MOVES FARTHER AWAY FROM THE INSTABILITY FEED...WITH THE GREATEST
   THREAT OF CONTINUED ISOLATED SEVERE STORMS ACROSS SWRN IL AND
   PERHAPS FAR ERN MO LATER THIS MORNING.

   ..JEWELL/CORFIDI.. 09/09/2014


   ATTN...WFO...PAH...ILX...LSX...

   LAT...LON   38189022 39069065 39549083 39989050 39968990 39248915
               38288882 37958898 37848976 38189022 

Top/All Mesoscale Discussions/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: September 09, 2014
Disclaimer
Information Quality
Help
Glossary
Privacy Policy
Freedom of Information Act (FOIA)
About Us
Career Opportunities