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 621
< Previous MD         Next MD >
MD 621 graphic
   
   MESOSCALE DISCUSSION 0621
   NWS STORM PREDICTION CENTER NORMAN OK
   1139 AM CDT WED APR 27 2011
   
   AREAS AFFECTED...SOUTHEAST TN/NORTHERN AL INTO FAR WESTERN
   NC/EXTREME NORTHWEST GA
   
   CONCERNING...TORNADO WATCH 229...230...231...
   
   VALID 271639Z - 271745Z
   
   THE SEVERE WEATHER THREAT FOR TORNADO WATCH
   229...230...231...CONTINUES.
   
   DAMAGING WINDS/ISOLATED TORNADOES WILL REMAIN A CONCERN ACROSS
   NORTHEAST AL AND FAR SOUTH-CENTRAL TN INTO EASTERN TN AND EVENTUALLY
   FAR WESTERN NC/PERHAPS FAR NORTHWEST GA.
   
   A NORTHEAST-SOUTHWEST ORIENTED SEVERE QUASI-LINEAR MCS CONTINUES TO
   GROW UPSCALE/ORGANIZE AND ACCELERATE...CENTERED ALONG THE MIDDLE
   TN/NORTH-CENTRAL AL BORDER AS OF 1630Z. IN ADDITION TO RECENT
   TORNADO REPORTS...MEASURED SEVERE WIND GUSTS HAVE BEEN NOTED AT
   LOCATIONS SUCH AS MUSCLE SHOALS AL /52 KT/ AND COURTLAND AL /53 KT/.
   WIDESPREAD DAMAGING WINDS WILL BE A MARKED CONCERN...WITH TORNADOES
   POSSIBLE AS WELL VIA EVOLVING EMBEDDED MESO-VORTICES AMID A SRH-RICH
   ENVIRONMENT. AFTER A MORE IMMEDIATE IMPACT ON THE HUNTSVILLE
   AREA...THESE STORMS SEEM LIKELY TO REACH THE CHATTANOOGA VICINITY
   BEFORE 18Z /2PM LOCAL TIME/. AN ADDITIONAL WATCH IS NOT CURRENTLY
   ANTICIPATED FOR EXTREME NORTHWEST GA DUE TO SMALL AREAL EXTENT OF
   THE GA THREAT.
   
   ..GUYER.. 04/27/2011
   
   
   ATTN...WFO...GSP...MRX...FFC...OHX...BMX...HUN...
   
   LAT...LON   34188734 34528696 36098589 35768384 34978387 34698510
               34048606 34028677 34188734 
   
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 27, 2011
Disclaimer
Information Quality
Help
Glossary
Privacy Policy
Freedom of Information Act (FOIA)
About Us
Career Opportunities