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.

Severe Thunderstorm Watch 407
< Previous WW         Next WW >
  | | | | |  
WW0407 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Very Low Very Low
Severe Wind 65 kt+ Wind
Moderate Low
Severe Hail 2"+ Hail
Very Low Very Low

Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
Note: Click for Watch Status Reports.
   SEL7

   URGENT - IMMEDIATE BROADCAST REQUESTED
   Severe Thunderstorm Watch Number 407
   NWS Storm Prediction Center Norman OK
   1130 PM CDT Sat Jul 31 2021

   The NWS Storm Prediction Center has issued a

   * Severe Thunderstorm Watch for portions of 
     northern Alabama
     northwestern Georgia
     parts of middle and eastern Tennessee

   * Effective this Saturday night and Sunday morning from 1130 PM
     until 300 AM CDT.

   * Primary threats include...
     Isolated damaging wind gusts to 65 mph possible

   SUMMARY...Thunderstorms -- including a couple of stronger bowing
   clusters -- will continue moving southeastward across the Tennessee
   Valley area over the next couple of hours.  Locally damaging wind
   gusts in excess of 58 MPH will be possible with stronger storms.

   The severe thunderstorm watch area is approximately along and 50
   statute miles either side of a line from 45 miles north northwest of
   Muscle Shoals AL to 20 miles northeast of Chattanooga TN. For a
   complete depiction of the watch see the associated watch outline
   update (WOUS64 KWNS WOU7).

   PRECAUTIONARY/PREPAREDNESS ACTIONS...

   REMEMBER...A Severe Thunderstorm Watch means conditions are
   favorable for severe thunderstorms in and close to the watch area.
   Persons in these areas should be on the lookout for threatening
   weather conditions and listen for later statements and possible
   warnings. Severe thunderstorms can and occasionally do produce
   tornadoes.

   &&

   AVIATION...A few severe thunderstorms with hail surface and aloft to
   1 inch. Extreme turbulence and surface wind gusts to 55 knots. A few
   cumulonimbi with maximum tops to 550. Mean storm motion vector
   29040.

   ...Goss
Top of Page/Status Messages for this watch/All Current Watches/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: August 01, 2021
Disclaimer
Information Quality
Help
Glossary
Privacy Policy
Freedom of Information Act (FOIA)
About Us
Career Opportunities