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Enhanced Event for TX/LA/AR/MS December 13th/14th -- 10% contour for tornadoes


CryHavoc
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Mesoscale Discussion 2032
   NWS Storm Prediction Center Norman OK
   0120 PM CST Wed Dec 14 2022

   Areas affected...Southern MS...Southwest AL...Eastern LA

   Concerning...Tornado Watch 588...

   Valid 141920Z - 142045Z

   The severe weather threat for Tornado Watch 588 continues.

   SUMMARY...The threat for strong, long-track tornadoes continues.

   DISCUSSION...Regional radar imagery continues to show numerous
   discrete supercells, including a few which have rotational velocity
   around 40 to 50 kt. The overall environment remain very conducive to
   tornadic supercells with ample low-level moisture and buoyancy in
   the presence of strong low to mid-level flow. Recent KLIX VAD data
   shows increasing winds in the 1-2 km layer. This increase is likely
   due to a mesoscale low-level jet, which is expected to move
   northeastward across far southern MS and into southwest AL over the
   next several hours. Attendant strengthening of the low-level shear
   within this corridor could augment the already favorable conditions.
   Surface observations also numerous gusts of 25 to 30 kt across
   southeast LA.

   Additionally, ongoing storms will likely strengthen as they approach
   and interact the warm front, which now extends from about 50 miles
   northwest of MEI southeastward to south of GZH in southern AL.

   In all, the threat for strong, long-track tornadoes will continue
   for at least the next few hours across eastern LA and southern MS,
   eventually reaching southwest AL later this afternoon/early this
   evening.

   ..Mosier/Hart.. 12/14/2022
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Tornado Warning

LAC051-071-087-089-142230-

/O.NEW.KLIX.TO.W.0063.221214T2144Z-221214T2230Z/

 

BULLETIN - EAS ACTIVATION REQUESTED

Tornado Warning

National Weather Service New Orleans LA

344 PM CST Wed Dec 14 2022

 

The National Weather Service in New Orleans has issued a

 

* Tornado Warning for...

  Northwestern St. Bernard Parish in southeastern Louisiana...

  East central St. Charles Parish in southeastern Louisiana...

  Southwestern Orleans Parish in southeastern Louisiana...

  Northwestern Jefferson Parish in southeastern Louisiana...

 

* Until 430 PM CST.

 

* At 344 PM CST, a severe thunderstorm capable of producing a tornado

  was located near Avondale, moving northeast at 35 mph.

 

  HAZARD...Tornado.

 

  SOURCE...Radar indicated rotation.

 

  IMPACT...Flying debris will be dangerous to those caught without

           shelter. Mobile homes will be damaged or destroyed.

           Damage to roofs, windows, and vehicles will occur. Tree

           damage is likely.

 

* This dangerous storm will be near...

  Marrero, Jefferson, Harahan, Westwego, Bridge City and Elmwood

  around 355 PM CST.

  Harvey, Metairie, Gretna and Terrytown around 400 PM CST.

  Chalmette and Arabi around 410 PM CST.

  East New Orleans around 420 PM CST.

  New Orleans around 430 PM CST.

 

Other locations impacted by this tornadic thunderstorm include

Lakefront Airport.

 

This includes the following Interstates...

 Interstate 10 in Louisiana between mile markers 231 and 248.

 Interstate 510 between mile markers 1 and 3.

 Interstate 610 between mile markers 1 and 4.

 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

 

TAKE COVER NOW! Move to a basement or an interior room on the lowest

floor of a sturdy building. Avoid windows. If you are outdoors, in a

mobile home, or in a vehicle, move to the closest substantial shelter

and protect yourself from flying debris.

 

&&

 

LAT...LON 2979 9022 2983 9028 3005 9009 3008 8991

      3005 8984

TIME...MOT...LOC 2144Z 221DEG 32KT 2985 9019

 

TORNADO...RADAR INDICATED

MAX HAIL SIZE...<.75 IN

 

$$

MSW

Tornado Warning for Orleans and Jefferson parishes for a strong tornadic voltex signature on doppler radar headed towards Uptown and CBD New Orleans.

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