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 809
< Previous MD         Next MD >
MD 809 graphic

   MESOSCALE DISCUSSION 0809
   NWS STORM PREDICTION CENTER NORMAN OK
   0129 AM CDT WED JUN 04 2014

   AREAS AFFECTED...NRN AND CNTRL MO INTO CNTRL IL

   CONCERNING...SEVERE THUNDERSTORM WATCH 212...213...214...

   VALID 040629Z - 040800Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH
   212...213...214...CONTINUES.

   SUMMARY...THE THREAT FOR MAINLY ISOLATED DAMAGING WIND GUSTS WILL
   CONTINUE ACROSS REMAINING VALID PORTIONS OF THE WATCH AREAS EARLY
   THIS MORNING. A DOWNSTREAM WATCH IS POSSIBLE OVER E-CNTRL IL.

   DISCUSSION...AS OF 0615Z...REGIONAL RADAR DATA SHOWED AN EXPANSIVE
   MCS COMPRISED OF MULTIPLE BOWING STRUCTURES STRETCHING FROM CNTRL IL
   WWD TO FAR SERN NEB AND NERN KS. ACROSS SEVERE THUNDERSTORM WATCH
   214...A LEADING BOWING LINE SEGMENT EXTENDED FROM ADAIR AND MACON TO
   PLATTE COUNTIES IN MO. MOVEMENT OF THIS SYSTEM WAS 295/35 KT.
   MEANWHILE...AN UPSTREAM BOWING LINE SEGMENT WAS SITUATED FROM GENTRY
   COUNTY MO TO PAWNEE COUNTY NEB WITH A MOTION OF 335/50 KT. GIVEN THE
   DIFFERENTIAL IN SYSTEM MOTIONS...IT/S POSSIBLE THE LATTER WILL MERGE
   WITH THE FORMER WITH AN INCREASING WIND THREAT DEVELOPING SWD/SEWD
   THROUGH THE I-70 CORRIDOR BY 08-09Z.

   ACROSS SEVERE THUNDERSTORM WATCHES 212 AND 213...THE PRIMARY FEATURE
   OF INTEREST IS A TSTM CLUSTER OVER MENARD AND SANGAMON COUNTIES
   MOVING 260/50 KT. A WIND GUST TO 38 KT WAS RECENTLY OBSERVED WITH
   THESE STORMS AT JACKSONVILLE IL. ADDITIONAL STORMS HAVE BEEN
   INTENSIFYING WITHIN A STRENGTHENING WAA REGIME ACROSS MACON AND
   MOULTRIE COUNTIES WHICH COULD MERGE WITH THE PARENT UPSTREAM COMPLEX
   SUPPORTING AN INCREASING DAMAGING WIND THREAT ALONG THE WARM FRONT
   INTO E-CNTRL IL. AS SUCH...A DOWNSTREAM WATCH MAY BE REQUIRED.

   ..MEAD.. 06/04/2014


   ATTN...WFO...IND...LOT...ILX...LSX...DVN...SGF...EAX...

   LAT...LON   38269159 38279297 38389386 38739450 38969386 39649285
               40119217 40169101 40399020 40599014 40438750 39678754
               39438829 38859083 38269159 

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: June 04, 2014
Disclaimer
Information Quality
Help
Glossary
Privacy Policy
Freedom of Information Act (FOIA)
About Us
Career Opportunities