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March 17-18 Severe Weather Event


DanLarsen34
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Mesoscale Discussion 0209
   NWS Storm Prediction Center Norman OK
   0224 PM CDT Wed Mar 17 2021

   Areas affected...Central AL

   Concerning...Tornado Watch 29...33...

   Valid 171924Z - 172100Z

   The severe weather threat for Tornado Watch 29, 33 continues.

   SUMMARY...A corridor more favorable for the development of strong
   tornadoes may be evolving across central AL.

   DISCUSSION...Radar imagery from BMX, GWX, and MOB continues to show
   a cluster of supercells over west-central AL. The downstream air
   mass is characterized by temperatures in the low/mid 70s and
   dewpoints in the upper 60s. As noted in the recent BMX sounding,
   this air mass is less buoyant than farther west (along the central
   MS/AL border) where this cluster initially developed. However, in
   contrast to the slightly less favorable thermodynamics, surface
   winds here are more southeasterly, veering to southerly in the
   low-levels, and then southwesterly farther aloft. This is resulting
   in considerable low-level vertical shear. Recent VAD profile from
   BMX sampled 350+ m2/s2 of 0-1 km storm-relative helicity. Given the
   already organized character of these storms, potential exists for
   the development of strong tornadoes if a more discrete nature can be
   maintained.

   ..Mosier.. 03/17/2021

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

   ATTN...WFO...BMX...MOB...
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1 minute ago, kayman said:

I'm originally from and grew up in Birmingham.  This is a classic setup for a tornado outbreak for sure.  I'm certain the one in Metro Birmingham is on the ground. The look and the set like one

Luckily it's on the north side of the metro which is far less populated than the southern side.  It's been awhile since we've had a big one on the south side of Bham....

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The Metro Birmingham storm likely going to be a right mover because of its setup. I fear it's also ahead of the main cluster, thus going to maneuver on its own.  Graysville, Fultondale, and Gardendale will need to be on alert for sure.

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Just now, ATDoel said:

Luckily it's on the north side of the metro which is far less populated than the southern side.  It's been awhile since we've had a big one on the south side of Bham....

Yes, it is less populated on the northside, but Fultondale, Gardendale have rapidly filling out in the past few years.  It's still heavily populated along the the I-65 corridor between Gardendale and downtown Birmingham.

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uh oh

Severe Weather Statement
National Weather Service Birmingham AL
235 PM CDT Wed Mar 17 2021

ALC125-172000-
/O.CON.KBMX.TO.W.0016.000000T0000Z-210317T2000Z/
Tuscaloosa AL-
235 PM CDT Wed Mar 17 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 PM CDT FOR SOUTH
CENTRAL TUSCALOOSA COUNTY...

At 235 PM CDT, a confirmed tornado was located over Moundville, or 12
miles south of Tuscaloosa, moving northeast at 30 mph.

HAZARD...Damaging tornado and ping pong ball size hail.

SOURCE...Public confirmed tornado.

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.

Locations impacted include...
Tuscaloosa, Moundville, Coaling, University Mall, McFarland Mall,
Shelton State Community College, Tuscaloosa Amphitheater, Bryant
Denny Stadium, Englewood, Little Sandy, Maxwell, University Of
Alabama Quad, Taylorville, Hull, Mound State Park, Duncanville and
Stillman College.
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7 minutes ago, Calderon said:

The cyclic supercell that started near Selma has a new tornado down in central Coosa County, near Weogufka.

Severe Weather Statement
National Weather Service Birmingham AL
234 PM CDT Wed Mar 17 2021

ALC037-172000-
/O.CON.KBMX.TO.W.0013.000000T0000Z-210317T2000Z/
Coosa AL-
234 PM CDT Wed Mar 17 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 PM CDT FOR NORTH
CENTRAL COOSA COUNTY...

At 234 PM CDT, a confirmed tornado was located over Weogufka, moving
northeast at 30 mph.

HAZARD...Damaging tornado.

SOURCE...Radar confirmed tornado.

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.

Locations impacted include...
Weogufka.
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evere Weather Statement
National Weather Service Birmingham AL
235 PM CDT Wed Mar 17 2021

ALC091-172015-
/O.CON.KBMX.TO.W.0014.000000T0000Z-210317T2015Z/
Marengo AL-
235 PM CDT Wed Mar 17 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM CDT FOR
SOUTHEASTERN MARENGO COUNTY...

At 235 PM CDT, a confirmed tornado was located over Wayne, or 12
miles south of Linden, moving northeast at 35 mph.

HAZARD...Damaging tornado and quarter size hail.

SOURCE...Weather spotters confirmed tornado.

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.

Locations impacted include...
Linden, Thomaston, Sweet Water, Dayton, Wayne, Freddie Jones Field,
Miller, Dixons Mill, Consul, Magnolia, Calvary and Octagon.
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1 minute ago, yoda said:

uh oh


Severe Weather Statement
National Weather Service Birmingham AL
235 PM CDT Wed Mar 17 2021

ALC125-172000-
/O.CON.KBMX.TO.W.0016.000000T0000Z-210317T2000Z/
Tuscaloosa AL-
235 PM CDT Wed Mar 17 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 PM CDT FOR SOUTH
CENTRAL TUSCALOOSA COUNTY...

At 235 PM CDT, a confirmed tornado was located over Moundville, or 12
miles south of Tuscaloosa, moving northeast at 30 mph.

HAZARD...Damaging tornado and ping pong ball size hail.

SOURCE...Public confirmed tornado.

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.

Locations impacted include...
Tuscaloosa, Moundville, Coaling, University Mall, McFarland Mall,
Shelton State Community College, Tuscaloosa Amphitheater, Bryant
Denny Stadium, Englewood, Little Sandy, Maxwell, University Of
Alabama Quad, Taylorville, Hull, Mound State Park, Duncanville and
Stillman College.

My people in Greater Birmingham are confirming there are 2 TOG in the Birmingham region (Tuscaloosa and Jefferson counties) in 2 separate storms...

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