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 1236
< Previous MD         Next MD >
MD 1236 graphic

   MESOSCALE DISCUSSION 1236
   NWS STORM PREDICTION CENTER NORMAN OK
   1131 PM CDT MON JUN 30 2014

   AREAS AFFECTED...PORTIONS OF SWRN LOWER MI...NRN/CNTRL
   INDIANA...E-CNTRL IL

   CONCERNING...SEVERE THUNDERSTORM WATCH 378...380...381...

   VALID 010431Z - 010600Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH
   378...380...381...CONTINUES.

   SUMMARY...THE RISK FOR DMGG WIND GUSTS WILL CONTINUE INTO THE
   OVERNIGHT HOURS ACROSS REMAINING VALID PORTIONS OF SVR TSTM WATCHES
   378/380/381...ESPECIALLY ACROSS PORTIONS OF NRN INDIANA.

   DISCUSSION...A MATURE BOWING MCS WILL CONTINUE SPREADING EWD/SEWD
   WITH FORWARD MOTION OF THE LEADING CONVECTIVE LINE AROUND 40-55 KT
   AND PRIMARY SURGE EWD/SEWD ACROSS NRN INDIANA. MODERATELY/STRONGLY
   BUOYANT INFLOW WILL CONTINUE FEED FORWARD PROPAGATING
   CONVECTION...WHILE AROUND 45 KT OF 0-6-KM BULK SHEAR SAMPLED BY THE
   IWX VWP FOSTERS MCS MAINTENANCE. DMGG WIND GUSTS WILL REMAIN THE
   PRIMARY CONCERN IN THE SHORT TERM ACROSS THE DISCUSSION
   AREA...ESPECIALLY IN NRN INDIANA. NUMEROUS REPORTS OF DMGG WINDS AND
   MEASURED SVR WINDS GUSTS -- SOME SIGNIFICANTLY SVR -- HAVE EMANATED
   FROM THIS CONVECTION AS IT CROSSED PORTIONS OF NERN IL. THIS SYSTEM
   IS LIKELY REACHING PEAK INTENSITY PER SINGLE-SITE VOLUMETRIC RADAR
   TRENDS. LINE-EMBEDDED MESO-VORTICES/SUPERCELLS COULD PRODUCE BRIEF
   TORNADOES...AIDED BY 0-1-KM BULK SHEAR AROUND 30 KT ENHANCED BY A
   STRENGTHENING LLJ.

   ..COHEN.. 07/01/2014


   ATTN...WFO...IWX...GRR...IND...LOT...ILX...

   LAT...LON   39748997 40118982 40238924 40528777 41138675 42108629
               42368548 42208485 40778530 39848797 39748997 

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: July 01, 2014
Disclaimer
Information Quality
Help
Glossary
Privacy Policy
Freedom of Information Act (FOIA)
About Us
Career Opportunities