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April 12 Severe Event


joshwx2003
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oh shit

Severe Weather Statement
National Weather Service Morristown TN
1127 PM EDT Sun Apr 12 2020

TNC065-130345-
/O.CON.KMRX.TO.W.0010.000000T0000Z-200413T0345Z/
Hamilton TN-
1127 PM EDT Sun Apr 12 2020

...TORNADO EMERGENCY FOR OOLTEWAH AND COLLEGEDALE...

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1145 PM EDT FOR
SOUTHEASTERN HAMILTON COUNTY...

At 1126 PM EDT, a confirmed large and destructive tornado was located
near Ringgold, moving east at 45 mph.

TORNADO EMERGENCY for OOLEWAH AND COLLEGEDALE. This is a
PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

HAZARD...Deadly tornado.

SOURCE...Radar confirmed tornado.

IMPACT...You are in a life-threatening situation. Flying debris may
         be deadly to those caught without shelter. Mobile homes
         will be destroyed. Considerable damage to homes,
         businesses, and vehicles is likely and complete destruction
         is possible.

This tornadic thunderstorm will remain over mainly rural areas of
southeastern Hamilton County, including the following locations...
Collegedale, Ooltewah and Apison.
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mcd0374.gif

 

https://www.spc.noaa.gov/products/md/md0374.html

 

Mesoscale Discussion 0374
   NWS Storm Prediction Center Norman OK
   1028 PM CDT Sun Apr 12 2020

   Areas affected...parts of Alabama and into western and central
   Georgia and portions of the Florida Panhandle

   Concerning...Tornado Watch 110...

   Valid 130328Z - 130500Z

   The severe weather threat for Tornado Watch 110 continues.

   SUMMARY...Severe/tornado risk continues across WW 109 and 110, and
   will spread eastward into western and central Georgia and parts of
   the Florida panhandle over the next few hours.

   DISCUSSION...Latest radar loop shows convection now occurring in a
   complex/broken band from the southern Appalachians
   south-southwestward to near Mobile Bay.  Within this band, several
   well-organized clusters of storms -- including numerous rotating
   updrafts and comma heads -- are indicated.  Mixed-layer CAPE of 1000
   to 1500 J/kg is indicated across this region, and extreme low-level
   shear is observed (0-1km shear 40 to 50 kt and 0-1km storm-relative
   helicity in excess of 700 m2/s2 across GA).

   Given the environment, tornado risk remains high with stronger
   clusters embedded within the main convective band, and with any
   cells which may develop in advance of the line.  A new tornado watch
   will be issued shortly across southern and eastern Alabama, and into
   Georgia and the Florida Panhandle.

   ..Goss.. 04/13/2020

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

   ATTN...WFO...FFC...TAE...BMX...MOB...LIX...
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BULLETIN - EAS ACTIVATION REQUESTED  
TORNADO WARNING  
NATIONAL WEATHER SERVICE MORRISTOWN TN  
1128 PM EDT SUN APR 12 2020  
  
THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A  
  
* TORNADO WARNING FOR...  
  BRADLEY COUNTY IN EAST TENNESSEE...  
  WESTERN POLK COUNTY IN EAST TENNESSEE...  
  
* UNTIL MIDNIGHT EDT.  
      
* AT 1128 PM EDT, A CONFIRMED LARGE AND EXTREMELY DANGEROUS TORNADO  
  WAS LOCATED NEAR HARRISON, OR 9 MILES EAST OF CHATTANOOGA, MOVING  
  EAST AT 45 MPH.  
  
  THIS IS A PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!  
  
  HAZARD...DAMAGING TORNADO.  
  
  SOURCE...RADAR CONFIRMED TORNADO.  
  
  IMPACT...YOU ARE IN A LIFE-THREATENING SITUATION. FLYING DEBRIS   
           MAY BE DEADLY TO THOSE CAUGHT WITHOUT SHELTER. MOBILE   
           HOMES WILL BE DESTROYED. CONSIDERABLE DAMAGE TO HOMES,   
           BUSINESSES, AND VEHICLES IS LIKELY AND COMPLETE   
           DESTRUCTION IS POSSIBLE.  
  
* THE TORNADO WILL BE NEAR...  
  WILDWOOD LAKE AND SOUTH CLEVELAND AROUND 1145 PM EDT.  
  EAST CLEVELAND AROUND 1150 PM EDT.  
  BENTON AROUND 1200 AM EDT.  

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9 minutes ago, SluggerWx said:

I really wish metro ATL and more of the northern ATL suburbs would have been placed under a Tornado Watch prior to the 11PM news cycle. 

Folks are going to go to bed tonight not even knowing about the Tornado Watch that's likely inbound. Hopefully they've been paying attention, but I wish they would have pulled the trigger by now.

Yeah, I don’t get that, either. They should have pulled the trigger.

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80/70 probs.... yikes

TORNADO WATCH PROBABILITIES FOR WT 0115
NWS STORM PREDICTION CENTER NORMAN OK
1041 PM CDT SUN APR 12 2020

WT 0115
PROBABILITY TABLE:
PROB OF 2 OR MORE TORNADOES                        :  80%
PROB OF 1 OR MORE STRONG /EF2-EF5/ TORNADOES       :  70%
PROB OF 10 OR MORE SEVERE WIND EVENTS              :  80%
PROB OF 1 OR MORE WIND EVENTS >= 65 KNOTS          :  20%
PROB OF 10 OR MORE SEVERE HAIL EVENTS              :  40%
PROB OF 1 OR MORE HAIL EVENTS >= 2 INCHES          :  20%
PROB OF 6 OR MORE COMBINED SEVERE HAIL/WIND EVENTS : >95%

&&
ATTRIBUTE TABLE:
MAX HAIL /INCHES/                            : 1.0
MAX WIND GUSTS SURFACE /KNOTS/               : 60
MAX TOPS /X 100 FEET/                        : 500
MEAN STORM MOTION VECTOR /DEGREES AND KNOTS/ : 25035
PARTICULARLY DANGEROUS SITUATION             : NO
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Today definitely ended up being a tornado outbreak, it may not have happened the way we anticipated a few days ago, but its going to end up with dozens of tornadoes when all is said and done, with several significant high-end tornadoes as well.

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PDS TOR is back

Severe Weather Statement
National Weather Service Morristown TN
1200 AM EDT Mon Apr 13 2020

TNC011-107-139-130430-
/O.CON.KMRX.TO.W.0012.000000T0000Z-200413T0430Z/
Bradley TN-Polk TN-McMinn TN-
1200 AM EDT Mon Apr 13 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 AM EDT FOR EAST
CENTRAL BRADLEY...NORTHWESTERN POLK AND SOUTHEASTERN MCMINN
COUNTIES...

At 1200 AM EDT, a confirmed large and extremely dangerous tornado was
located near Charleston, or near Benton, moving northeast at 50 mph.

This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

HAZARD...Damaging tornado.

SOURCE...Radar confirmed tornado.

IMPACT...You are in a life-threatening situation. Flying debris may
         be deadly to those caught without shelter. Mobile homes
         will be destroyed. Considerable damage to homes,
         businesses, and vehicles is likely and complete destruction
         is possible.

The tornado will be near...
  Etowah around 1215 AM EDT.

Other locations impacted by this tornadic thunderstorm include
Hiwassee Ocoee State Park, Dentville, Calhoun and Englewood.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a large, extremely dangerous and potentially deadly
tornado is on the ground. To protect your life, 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.

 
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