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Dec. 10-11 Severe Weather


Indystorm
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13 minutes ago, Witness Protection Program said:

 

WOW. It's just a giant mess of metal. Most of the time you can see a story in destruction -- this wall fell because this thing fell on it, the roof collapsed because this tree fell on it, etc.. There's no story to that. I cannot imagine being in that town right now.

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From early reports, it doesn't sound like Amazon had a warehouse manager monitoring the weather to warn employees and didn't herd all the employees towards the building's storm shelter.  (Did it have one?)   Hours of tornado warns as a line of 4+ almost continual tor warn boxes worked across metro St. Louis for hours before the warehouse was hit.  I'm almost certain Edwardsville was under a tor warn at the time of the warehouse hit.  Pretty sure Amazon was aware of the tornado situation and how it could impact their trucking ops.  

It's early, we'll see what other info comes out.  But this may end up being a modern equivalent of the Triangle Shirtwaist Factory.

In contrast to Amazon, reports are that the Mayfield factory has 100 workers trapped, but in the basement shelter.

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Storm west of Jackson producing again

Tornado Warning
TNC017-023-077-113-110800-
/O.NEW.KMEG.TO.W.0080.211211T0732Z-211211T0800Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Memphis TN
132 AM CST Sat Dec 11 2021

The National Weather Service in Memphis has issued a

* Tornado Warning for...
  Henderson County in western Tennessee...
  Southeastern Carroll County in western Tennessee...
  Eastern Madison County in western Tennessee...
  North central Chester County in western Tennessee...

* Until 200 AM CST.

* At 132 AM CST, a severe thunderstorm producing a tornado was
  located near Mifflin, or 9 miles east of Jackson, moving east at 50
  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...
  Bargerton around 145 AM CST.
  Lexington around 150 AM CST.
  Wildersville around 155 AM CST.
  Natchez Trace State Forest, Natchez Trace State Park and Darden
  around 200 AM CST.

Other locations impacted by this tornadic thunderstorm include
Parker`s Cross Roads, Claybrook, Dollar, Cedar Grove, Mount Gilead,
Beech Bluff, Huron, Warrens Bluff, Russell Crossroads and Rock Hill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a storm shelter 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 3567 8819 3563 8819 3563 8820 3561 8819
      3557 8822 3550 8872 3569 8878 3593 8822
      3589 8822 3588 8823 3587 8822 3585 8822
      3584 8818
TIME...MOT...LOC 0732Z 252DEG 45KT 3561 8866

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

SMW
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22 minutes ago, Witness Protection Program said:

From early reports, it doesn't sound like Amazon had a warehouse manager monitoring the weather to warn employees and didn't herd all the employees towards the building's storm shelter.  (Did it have one?)   Hours of tornado warns as a line of 4+ almost continual tor warn boxes worked across metro St. Louis for hours before the warehouse was hit.  I'm almost certain Edwardsville was under a tor warn at the time of the warehouse hit.  Pretty sure Amazon was aware of the tornado situation and how it could impact their trucking ops.  

It's early, we'll see what other info comes out.  But this may end up being a modern equivalent of the Triangle Shirtwaist Factory.

In contrast to Amazon, reports are that the Mayfield factory has 100 workers trapped, but in the basement shelter.

Definitely management fault at the building if true about not monitoring the weather.  If I'm scheduled to work and I see bad weather coming in advance (be it severe/winter/wind)... I'm tasked with informing our managers ahead of time and letting them know.  I work at a DS -- DDC3 in N VA.  Granted, we aren't very likely to have large tornadoes and the such here, but if the situation that happened tonight were to occur here, I'd be on Chime with our management (think instant messaging) at least an hour before those storms come rumbling in talking about whatever threat is coming and making sure we stop work on the floor and get people to the designated shelters before the storm hits or right as the tornado warning is issued if we have long lead time.

Sorry for the soapbox, but that is disturbing and wrong if management was not watching the weather beforehand and didn't stop work or something else.

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Mesoscale Discussion 2013
   NWS Storm Prediction Center Norman OK
   0200 AM CST Sat Dec 11 2021

   Areas affected...portions of northern Louisiana into eastern
   Arkansas...northern Mississippi...western and middle Tennessee...and
   northern Alabama

   Concerning...Tornado Watch 558...

   Valid 110800Z - 110930Z

   The severe weather threat for Tornado Watch 558 continues.

   SUMMARY...The severe threat continues across Tornado Watch 558, with
   all severe hazards remaining a concern. A downstream Tornado Watch
   issuance may be needed across portions of northern Alabama into
   Middle Tennessee in the next few hours.

   DISCUSSION...An expansive line of storms/QLCS is progressing across
   Tornado Watch 558, where around 1000 J/kg MLCAPE is present amid a
   moist low-level environment with minimal MLCINH. Given predominantly
   linear storm modes oriented nearly parallel to the effective
   bulk-shear vector, damaging wind gusts are expected to be the main
   threat with the stronger storms. Nonetheless, JAN, GWX and HTX VWPs
   around 0730Z show long, modestly curved hodographs contributing to
   250-300 m2/s2 0-1 km SRH, so some tornado threat still exists with
   the more intense circulations embedded in the QLCS. North-south
   oriented line segments that are aligned more orthogonal to the
   deep-layer shear vector will have the highest tornado potential. As
   low-level shear and deep-layer ascent increase across northern
   Alabama into Middle Tennessee, a downstream Tornado Watch may be
   needed to address the eastward-expanding severe threat.

   ..Squitieri/Edwards.. 12/11/2021

   ...Please see www.spc.noaa.gov for graphic product...

   ATTN...WFO...MRX...LMK...OHX...BMX...HUN...MEG...JAN...LZK...
   SHV...

   LAT...LON   32969071 32409233 32289357 32459387 33019344 33819221
               34669098 35298941 36348805 36608653 36638532 36508501
               35928495 35348548 34818602 34388664 34048786 33578881
               33119049 32969071 
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