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Severe Event March 25th 2021


Bob's Burgers
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Just now, janetjanet998 said:

MS

 

BULLETIN - EAS ACTIVATION REQUESTED  
TORNADO WARNING  
NATIONAL WEATHER SERVICE JACKSON MS  
103 PM CDT THU MAR 25 2021  
  
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A  
  
* TORNADO WARNING FOR...  
  SOUTHEASTERN SIMPSON COUNTY IN CENTRAL MISSISSIPPI...  
  SOUTHEASTERN SMITH COUNTY IN CENTRAL MISSISSIPPI...  
  NORTHWESTERN COVINGTON COUNTY IN SOUTHEASTERN MISSISSIPPI...  
  NORTHWESTERN JEFFERSON DAVIS COUNTY IN SOUTH CENTRAL MISSISSIPPI...  
  
* UNTIL 200 PM CDT.  
      
* AT 103 PM CDT, A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO  
  WAS LOCATED OVER PRENTISS, OR 19 MILES SOUTH OF PINOLA, MOVING  
  NORTHEAST AT 50 MPH.  
  

Consistent CG near the core of the storm. Things definitely starting to kick off.

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Velocity signature has died down a touch again... Just like last time. There's something interesting happening at the storm-scale level that is causing these quick ups, but relative inability to sustain, wonder what it is?

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1 minute ago, jojo762 said:

Velocity signature has died down a touch again... Just like last time. There's something interesting happening at the storm-scale level that is causing these quick ups, but relative inability to sustain, wonder what it is?

Still early in the event, surface low hasn't really started to deepen yet, plus it's getting really close to the BMX NEXRAD site. Ground clutter will become an issue here shortly if it hasn't already.

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1 minute ago, CheeselandSkies said:

Still early in the event, surface low hasn't really started to deepen yet, plus it's getting really close to the BMX NEXRAD site. Ground clutter will become an issue here shortly if it hasn't already.

CC would indicate this thing is still OTG, or there is an insane amount of suspended debris. 

edit: and immediately after i hit "post", the next scan shows things lessening a bit.

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Severe Weather Statement
National Weather Service Birmingham AL
109 PM CDT Thu Mar 25 2021

ALC073-117-251900-
/O.CON.KBMX.TO.W.0046.000000T0000Z-210325T1900Z/
Shelby AL-Jefferson AL-
109 PM CDT Thu Mar 25 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 PM CDT FOR SHELBY
AND SOUTHEASTERN JEFFERSON COUNTIES...

At 108 PM CDT, a confirmed tornado was located near Tannehill
Ironworks State Park, or 11 miles northwest of Montevallo, moving
northeast at 40 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...
Southeastern Birmingham, Hoover, Vestavia Hills, Alabaster, Bessemer,
Homewood, Pelham, Mountain Brook, Trussville, Helena, Irondale,
Leeds, Moody, Chelsea, Childersburg, Wilsonville, Indian Springs
Village, Vincent, Harpersville and Westover.
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3 minutes ago, CheeselandSkies said:

Still early in the event, surface low hasn't really started to deepen yet, plus it's getting really close to the BMX NEXRAD site. Ground clutter will become an issue here shortly if it hasn't already.

I was just about to mention that. Part of why we are seeing such a messy storm mode right now is because the low hasn’t begun to deepen. Surface winds are out of the SW across much of MS and some parts of AL which is limiting favorable directional shear for discrete to semi-discrete cells. 

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Just now, yoda said:

Severe Weather Statement
National Weather Service Birmingham AL
109 PM CDT Thu Mar 25 2021

ALC073-117-251900-
/O.CON.KBMX.TO.W.0046.000000T0000Z-210325T1900Z/
Shelby AL-Jefferson AL-
109 PM CDT Thu Mar 25 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 PM CDT FOR SHELBY
AND SOUTHEASTERN JEFFERSON COUNTIES...

At 108 PM CDT, a confirmed tornado was located near Tannehill
Ironworks State Park, or 11 miles northwest of Montevallo, moving
northeast at 40 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...
Southeastern Birmingham, Hoover, Vestavia Hills, Alabaster, Bessemer,
Homewood, Pelham, Mountain Brook, Trussville, Helena, Irondale,
Leeds, Moody, Chelsea, Childersburg, Wilsonville, Indian Springs
Village, Vincent, Harpersville and Westover.

Good news not tornado emergency.

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It looks like there may have been a mesoscale boundary south of the storm that was forcing junk convection. It looks like the cell is starting outrun that now. Once it finishes ingesting this last bit of convection it looks like the inflow notch might clear out. We'll see what happens.

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Just now, bdgwx said:

It looks like there may have been a mesoscale boundary south of the storm that was forcing junk convection. It looks like the cell is starting outrun that now. Once it finishes ingesting this last bit of convection it looks like the inflow notch might clear out. We'll see what happens.

Agreed with this. I think it’s cycling at the exact wrong time. 

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