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 662
< Previous MD         Next MD >
MD 662 graphic

   MESOSCALE DISCUSSION 0662
   NWS STORM PREDICTION CENTER NORMAN OK
   1135 AM CDT SAT MAY 21 2016

   AREAS AFFECTED...SOUTHEAST TX

   CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY 

   VALID 211635Z - 211800Z

   PROBABILITY OF WATCH ISSUANCE...5 PERCENT

   SUMMARY...AN ISOLATED SEVERE HAIL RISK MAY PERSIST THROUGH EARLY
   AFTERNOON WITH A FEW STORMS SLOWLY SHIFTING EAST-NORTHEAST.

   DISCUSSION...WEAK LOW-LEVEL WARM THETA-E ADVECTION HAS LIKELY
   CONTRIBUTED TO A COUPLE STORMS OVER AUSTIN COUNTY TX. WITH MODERATE
   SPEED SHEAR AMID DEEP-LAYER WESTERLIES WITHIN THE CLOUD-BEARING
   LAYER...A STRAIGHT-LINE HODOGRAPH SHOULD CONTINUE TO SUPPORT
   SPLITTING CELLS WITH LEFT-MOVERS MOST LIKELY TO PRODUCE SEVERE HAIL
   GIVEN MODERATE BUOYANCY. GUIDANCE IS FAIRLY CONSISTENT IN DEPICTING
   BACKING OF THE LOW-LEVEL WIND FIELD DURING THE AFTERNOON AS BROADER
   MASS RESPONSE BEGINS TO OCCUR DOWNSTREAM OF THE UPPER TROUGH OVER
   THE WEST. AS SUCH...THE TEMPORAL EXTENT OF THE SEVERE HAIL RISK MAY
   REMAIN LIMITED.

   ..GRAMS/HART.. 05/21/2016


   ATTN...WFO...LCH...HGX...FWD...EWX...

   LAT...LON   30249698 30829675 30929612 30479440 30019423 29509443
               29169525 29159588 29519656 29759681 30249698 

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: May 21, 2016
Disclaimer
Information Quality
Help
Glossary
Privacy Policy
Freedom of Information Act (FOIA)
About Us
Career Opportunities