Saturday, January 21, 2017

TORNADO WATCH BOX NOW EMCOMPASSES A PORTION OF MISSISSIPPI AS WELL

URGENT - IMMEDIATE BROADCAST REQUESTED
   Tornado Watch Number 10
   NWS Storm Prediction Center Norman OK
   1100 PM CST Fri Jan 20 2017

   The NWS Storm Prediction Center has issued a

   * Tornado Watch for portions of 
     Southeastern Louisiana
     Southern Mississippi
     Coastal Waters

   * Effective this Friday night and Saturday morning from 1100 PM
     until 700 AM CST.

   * Primary threats include...
     A few tornadoes likely
     Scattered damaging wind gusts to 70 mph possible
     Isolated very large hail events to 2 inches in diameter possible

   SUMMARY...An expanding area of thunderstorms is expected to move
   east-northeastward across this watch through the overnight hours,
   into a favorably destabilizing and inland-spreading Gulf air mass. 
   Other, more isolated activity is possible ahead of the main complex
   as well.  Forecast ingredients support all modes of severe weather
   including a tornado threat.  See SPC mesoscale discussion 83 for
   initial meteorological details.

   The tornado watch area is approximately along and 100 statute miles
   north and south of a line from 40 miles southwest of Baton Rouge LA
   to 60 miles east southeast of Pine Belt MS. For a complete depiction
   of the watch see the associated watch outline update (WOUS64 KWNS
   WOU0).

   PRECAUTIONARY/PREPAREDNESS ACTIONS...

   REMEMBER...A Tornado Watch means conditions are favorable for
   tornadoes and 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.

   &&

   OTHER WATCH INFORMATION...CONTINUE...WW 9...

   AVIATION...Tornadoes and a few severe thunderstorms with hail
   surface and aloft to 2 inches. Extreme turbulence and surface wind
   gusts to 60 knots. A few cumulonimbi with maximum tops to 450. Mean
   storm motion vector 25030.

   ...Edwards
 

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