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 689
< Previous MD         Next MD >
MD 689 graphic

   MESOSCALE DISCUSSION 0689
   NWS STORM PREDICTION CENTER NORMAN OK
   0211 AM CDT SUN MAY 25 2014

   AREAS AFFECTED...PARTS OF THE PECOS VALLEY/EDWARDS PLATEAU REGION OF
   TEXAS

   CONCERNING...SEVERE THUNDERSTORM WATCH 184...

   VALID 250711Z - 250845Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 184
   CONTINUES.

   SUMMARY...THE RISK FOR DAMAGING WIND GUSTS COULD STILL INCREASE
   DURING THE NEXT COUPLE OF HOURS ACROSS THE EDWARDS PLATEAU
   REGION...AND THIS THREAT MAY PERSIST BEYOND 09Z INTO AREAS EAST OF
   THE CURRENT WATCH.
   IT IS POSSIBLE THAT A NEW WW WILL BE NEEDED.

   DISCUSSION...NOCTURNAL STRENGTHENING OF THE SOUTHERLY 850 MB JET HAS
   OCCURRED FROM THE RIO GRANDE VALLEY INTO THE PECOS
   VALLEY...INCREASING INFLOW OF MOIST /CHARACTERIZED BY SURFACE DEW
   POINTS NEAR 70F/ AND MODERATELY UNSTABLE AIR INTO A SEVERE STORM
   CLUSTER WEST OF SONORA TEXAS.  WITH MODESTLY STRONG BUT VEERING
   WINDS WITH HEIGHT CONTRIBUTING TO STRONG SHEAR...BENEATH DIFLUENT
   UPPER FLOW... FURTHER UPSCALE CONVECTIVE GROWTH AND ORGANIZATION
   APPEARS POSSIBLE WITH THE EVOLVING CONVECTIVE SYSTEM DURING THE NEXT
   FEW HOURS.  AS THIS OCCURS...A DEEPENING AND CONSOLIDATING SURFACE
   COLD POOL ACCOMPANIED BY INCREASING RISK FOR STRONG SURFACE GUSTS
   APPEARS POSSIBLE...AS ACTIVITY DEVELOPS EASTWARD ALONG A RESIDUAL
   OUTFLOW BOUNDARY ACROSS THE EDWARDS PLATEAU REGION...INTO AREAS
   NEAR/WEST THROUGH NORTH OF JUNCTION THROUGH 09-11Z. 
   OTHERWISE...STRONGEST CELLS SHOULD REMAIN CAPABLE OF GENERATING
   SEVERE HAIL AT LEAST ANOTHER FEW HOURS.

   ..KERR.. 05/25/2014


   ATTN...WFO...EWX...SJT...MAF...

   LAT...LON   31130125 31370038 30989967 30099974 29890073 29970177
               30210221 30630201 31130125 

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 25, 2014
Disclaimer
Information Quality
Help
Glossary
Privacy Policy
Freedom of Information Act (FOIA)
About Us
Career Opportunities