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 638
< Previous MD          Next MD >
MD 638 graphic
   
   MESOSCALE DISCUSSION 0638
   NWS STORM PREDICTION CENTER NORMAN OK
   0706 PM CDT WED APR 29 2009
   
   AREAS AFFECTED...SW TX
   
   CONCERNING...TORNADO WATCH 211...
   
   VALID 300006Z - 300130Z
   
   THE SEVERE WEATHER THREAT FOR TORNADO WATCH 211 CONTINUES.
   
   TWO SUPERCELLS ONGOING ACROSS SW TX WILL LIKELY CONTINUE TO HAVE A
   THREAT FOR LARGE HAIL AND TORNADOES OVER THE 1 TO 2 HOURS. AN
   ISOLATED WIND DAMAGE THREAT MAY ALSO EXIST. TORNADO WATCH 211 HAD
   BEEN LOCALLY EXPANDED ACROSS EDWARDS AND KINNEY COUNTIES.
   
   THE LATEST SFC ANALYSIS SHOWS A DRYLINE IN SW TX WITH MID TO UPPER
   60S F DEWPOINTS LOCATED AROUND DEL RIO AND TO THE SOUTHEAST. THIS IS
   CREATING A VERY UNSTABLE AIRMASS WHICH SHOULD SUSTAIN THE STORMS
   SEWD INTO THE FAR SERN PART OF WW 211 OVER THE NEXT 1 TO 2 HOURS.
   ACROSS THE NRN PART OF WW 211...IT APPEARS UNLIKELY THAT NEW CELLS
   WILL DEVELOP DUE TO WEAK LOW-LEVEL CONVERGENCE. FOR THIS
   REASON...PARTS OF WW 211 WILL LIKELY BE CLEARED BEFORE EXPIRATION.
   
   ..BROYLES.. 04/30/2009
   
   
   ATTN...WFO...EWX...SJT...MAF...
   
   LAT...LON   32110174 32119965 31019966 30969948 30559947 30429930
               30279931 30289974 30119975 30100007 29100012 29060067
               29610136 29720142 29730208 30770353 31330300 31250272
               31350261 31200250 31080245 31080231 31600234 31620176
               32110174 
   
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: April 30, 2009
Disclaimer
Information Quality
Credits
Glossary
Privacy Policy
Freedom of Information Act (FOIA)
About Us
Career Opportunities