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 518
< Previous MD         Next MD >
MD 518 graphic

   MESOSCALE DISCUSSION 0518
   NWS STORM PREDICTION CENTER NORMAN OK
   0808 PM CDT WED MAY 07 2014

   AREAS AFFECTED...SW TX  /  WCNTRL TX

   CONCERNING...SEVERE THUNDERSTORM WATCH 123...

   VALID 080108Z - 080245Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 123
   CONTINUES.

   SUMMARY...A SEVERE THREAT IS EXPECTED TO CONTINUE OVER THE NEXT FEW
   HOURS. WIND DAMAGE AND LARGE HAIL WILL BE THE PRIMARY THREATS. THE
   THREAT SHOULD GRADUALLY EXPAND NNEWD ACROSS THE SRN PART OF WW 123.

   DISCUSSION...A CLUSTER OF STRONG TO SEVERE THUNDERSTORMS IS LOCATED
   JUST TO THE WEST AND NORTH OF SAN ANGELO TX. THIS ACTIVITY WILL
   CONTINUE TO MOVE NNEWD ALONG A SHARPLY DEFINED DRYLINE AS A
   SHORTWAVE TROUGH EVIDENT ON WATER VAPOR IMAGERY MOVES NEWD ACROSS
   WCNTRL TX THIS EVENING. MLCAPE ACROSS WCNTRL TX IS ESTIMATED TO BE
   IN THE 1000 TO 1500 J/KG RANGE WITH 850 TO 500 MB LAPSE RATES NEAR
   8.0 C/KM. THIS COMBINED WITH 40 TO 50 KT OF DEEP LAYER SHEAR EVIDENT
   ON THE SAN ANGELO WSR-88D VWP SHOULD BE FAVORABLE FOR ROTATING
   STORMS WITH ISOLATED LARGE HAIL. SFC TEMP-DEWPOINT SPREADS EXCEEDING
   40 DEGREES F SHOULD ALSO ACCELERATE DOWNDRAFTS SPEEDS MAKING WIND
   DAMAGE ALSO POSSIBLE.

   ..BROYLES.. 05/08/2014


   ATTN...WFO...FWD...SJT...MAF...

   LAT...LON   32900013 32180101 31200201 30680209 30410131 30530006
               31629882 32649869 32900013 

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