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 894
< Previous MD         Next MD >
MD 894 graphic

   MESOSCALE DISCUSSION 0894
   NWS STORM PREDICTION CENTER NORMAN OK
   1124 AM CDT SUN JUN 08 2014

   AREAS AFFECTED...ARKLAMISS...NERN MS...WCNTRL AL

   CONCERNING...SEVERE POTENTIAL...WATCH LIKELY 

   VALID 081624Z - 081730Z

   PROBABILITY OF WATCH ISSUANCE...80 PERCENT

   SUMMARY...SEVERE THUNDERSTORM WATCH WILL LIKELY BE ISSUED TO ACCOUNT
   FOR ORGANIZED MULTI-CELL THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
   WINDS/HAIL.

   DISCUSSION...LEADING EDGE OF OVERNIGHT MCS HAS PROGRESSED ACROSS AR
   INTO NWRN MS WHERE CONVECTIVE DEBRIS IS THINNING.  OUTFLOW FROM THIS
   ACTIVITY IS DRAPED IN AN ARCING FASHION ACROSS NWRN MS...SWWD ALONG
   THE LA/AR BORDER AND SHOULD SERVE AS A FOCUS FOR SEVERE THUNDERSTORM
   DEVELOPMENT OVER THE NEXT FEW HOURS.  ADDITIONALLY...A SUBSTANTIAL
   AND MATURING BOUNDARY LAYER CU FIELD IS NOTED DOWNSTREAM ACROSS
   CNTRL/NERN MS.  SHOWERS ARE MATURING WITHIN THESE INTENSIFYING
   THERMALS AND SCT-NUMEROUS THUNDERSTORMS ARE EXPECTED TO EVOLVE ALONG
   A CORRIDOR FROM NRN LA...EWD INTO WCNTRL AL OVER THE NEXT FEW HOURS.
   12Z SOUNDINGS AT SHV/JAN/BMX ALL INDICATE SUFFICIENT MID-LEVEL FLOW
   TO SUPPORT ORGANIZED MULTI-CELL UPDRAFTS.  GIVEN SFC-3KM LAPSE RATES
   ON THE ORDER OF 7 C/KM AND MLCAPE ALREADY NEAR 3000 J/KG...ROBUST
   UPDRAFTS/DOWNDRAFTS SHOULD PRODUCE HAIL/WIND AS CONVECTION GROWS
   UPSCALE WITHIN MODESTLY SHEARED ENVIRONMENT.

   ..DARROW/WEISS.. 06/08/2014


   ATTN...WFO...BMX...MOB...MEG...JAN...LZK...SHV...

   LAT...LON   33259329 33419110 33928950 33638720 32688644 32158718
               32518941 32219286 33259329 

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 08, 2014
Disclaimer
Information Quality
Help
Glossary
Privacy Policy
Freedom of Information Act (FOIA)
About Us
Career Opportunities