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Severe storms and flash flooding for May 7-13


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Today seems pretty big to me along the front in KS. Numerous/scattered large supercells producing giant hail, and tornadoes appear likely before a transition into cluster/bowing segments. 

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Lots of CAPE in excess of > 4500 J/kg in southern Kansas/N OK. First damage reports of the day?

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT
FOR SOUTHEASTERN RILEY AND WESTERN POTTAWATOMIE COUNTIES...

At 510 PM CDT, a severe thunderstorm was located near Tuttle Creek
Lake, moving southeast at 40 mph.

HAZARD...70 mph wind gusts and half dollar size hail.

SOURCE...Emergency management. At 510 PM emergency management
         reported wind damage 4 miles northeast of Riley.

IMPACT...Hail damage to vehicles is expected. Expect considerable
         tree damage. Wind damage is also likely to mobile homes,
         roofs, and outbuildings.

Locations impacted include...
Manhattan, Westmoreland, St. George, Olsburg, Tuttle Creek Lake and
Keats.
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49 minutes ago, wotan said:

TWC seems to be overplaying the tornado risk Wednesday. Shocking, I know.

Sent from my Pixel 3 XL using Tapatalk
 

Wednesday looks like the least likely day for widespread tornadoes compared to today and Tuesday. That squall line Tuesday night is going to really work everything over I don’t see the airmass recovering behind it enough at this point. Could be wrong, but most times when we count on recovery behind an MCS it doesn’t happen. 

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Wednesday looks like the least likely day for widespread tornadoes compared to today and Tuesday. That squall line Tuesday night is going to really work everything over I don’t see the airmass recovering behind it enough at this point. Could be wrong, but most times when we count on recovery behind and MCS it doesn’t happen. 
But there's a Torcon of 6 for parts of Oklahoma and Texas Wednesday!

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BULLETIN - EAS ACTIVATION REQUESTED  
TORNADO WARNING  
NATIONAL WEATHER SERVICE DODGE CITY KS  
726 PM CDT MON MAY 6 2019  
  
THE NATIONAL WEATHER SERVICE IN DODGE CITY HAS ISSUED A  
  
* TORNADO WARNING FOR...  
  SOUTHEASTERN PAWNEE COUNTY IN SOUTH CENTRAL KANSAS...  
  NORTHWESTERN STAFFORD COUNTY IN SOUTH CENTRAL KANSAS...  
  
* UNTIL 800 PM CDT.  
      
* AT 726 PM CDT, A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO  
  WAS LOCATED NEAR ZOOK, MOVING NORTHEAST AT 10 MPH.  
  
  HAZARD...TORNADO AND TENNIS BALL SIZE HAIL.  
  
  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...  
  RADIUM AROUND 800 PM CDT.  

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BULLETIN - EAS ACTIVATION REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE TOPEKA KS  
731 PM CDT MON MAY 6 2019  
  
THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A  
  
* SEVERE THUNDERSTORM WARNING FOR...  
  FRANKLIN COUNTY IN EAST CENTRAL KANSAS...  
  NORTHEASTERN ANDERSON COUNTY IN EAST CENTRAL KANSAS...  
  SOUTHEASTERN OSAGE COUNTY IN EAST CENTRAL KANSAS...  
  
* UNTIL 815 PM CDT.  
  
* AT 730 PM CDT, A SEVERE THUNDERSTORM WAS LOCATED 4 MILES EAST OF  
  WILLIAMSBURG, MOVING SOUTHEAST AT 45 MPH.  
  
  THIS IS A VERY DANGEROUS STORM.  
  
  HAZARD...80 MPH WIND GUSTS AND HALF DOLLAR SIZE HAIL.  
  
  SOURCE...TRAINED WEATHER SPOTTERS.  
  
  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT   
           SHELTER. MOBILE HOMES WILL BE HEAVILY DAMAGED. EXPECT   
           CONSIDERABLE DAMAGE TO ROOFS, WINDOWS, AND VEHICLES.   
           EXTENSIVE TREE DAMAGE AND POWER OUTAGES ARE LIKELY.  
  
* LOCATIONS IMPACTED INCLUDE...  
  OTTAWA, GARNETT, WELLSVILLE, CENTROPOLIS, POMONA, RICHMOND,  
  WILLIAMSBURG, QUENEMO, GREELEY, PRINCETON, LANE, RANTOUL AND POMONA  
  LAKE.  
  

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50 minutes ago, Indystorm said:

BULLETIN - EAS ACTIVATION REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE TOPEKA KS  
731 PM CDT MON MAY 6 2019  
  
THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A  
  
* SEVERE THUNDERSTORM WARNING FOR...  
  FRANKLIN COUNTY IN EAST CENTRAL KANSAS...  
  NORTHEASTERN ANDERSON COUNTY IN EAST CENTRAL KANSAS...  
  SOUTHEASTERN OSAGE COUNTY IN EAST CENTRAL KANSAS...  
  
* UNTIL 815 PM CDT.  
  
* AT 730 PM CDT, A SEVERE THUNDERSTORM WAS LOCATED 4 MILES EAST OF  
  WILLIAMSBURG, MOVING SOUTHEAST AT 45 MPH.  
  
  THIS IS A VERY DANGEROUS STORM.  
  
  HAZARD...80 MPH WIND GUSTS AND HALF DOLLAR SIZE HAIL.  
  
  SOURCE...TRAINED WEATHER SPOTTERS.  
  
  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT   
           SHELTER. MOBILE HOMES WILL BE HEAVILY DAMAGED. EXPECT   
           CONSIDERABLE DAMAGE TO ROOFS, WINDOWS, AND VEHICLES.   
           EXTENSIVE TREE DAMAGE AND POWER OUTAGES ARE LIKELY.  
  
* LOCATIONS IMPACTED INCLUDE...  
  OTTAWA, GARNETT, WELLSVILLE, CENTROPOLIS, POMONA, RICHMOND,  
  WILLIAMSBURG, QUENEMO, GREELEY, PRINCETON, LANE, RANTOUL AND POMONA  
  LAKE.  
  

I’ve been watching that storm all night. It has been nasty and is still going strong 

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1 hour ago, Indystorm said:

BULLETIN - EAS ACTIVATION REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE TOPEKA KS  
731 PM CDT MON MAY 6 2019  
  
THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A  
  
* SEVERE THUNDERSTORM WARNING FOR...  
  FRANKLIN COUNTY IN EAST CENTRAL KANSAS...  
  NORTHEASTERN ANDERSON COUNTY IN EAST CENTRAL KANSAS...  
  SOUTHEASTERN OSAGE COUNTY IN EAST CENTRAL KANSAS...  
  
* UNTIL 815 PM CDT.  
  
* AT 730 PM CDT, A SEVERE THUNDERSTORM WAS LOCATED 4 MILES EAST OF  
  WILLIAMSBURG, MOVING SOUTHEAST AT 45 MPH.  
  
  THIS IS A VERY DANGEROUS STORM.  
  
  HAZARD...80 MPH WIND GUSTS AND HALF DOLLAR SIZE HAIL.  
  
  SOURCE...TRAINED WEATHER SPOTTERS.  
  
  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT   
           SHELTER. MOBILE HOMES WILL BE HEAVILY DAMAGED. EXPECT   
           CONSIDERABLE DAMAGE TO ROOFS, WINDOWS, AND VEHICLES.   
           EXTENSIVE TREE DAMAGE AND POWER OUTAGES ARE LIKELY.  
  
* LOCATIONS IMPACTED INCLUDE...  
  OTTAWA, GARNETT, WELLSVILLE, CENTROPOLIS, POMONA, RICHMOND,  
  WILLIAMSBURG, QUENEMO, GREELEY, PRINCETON, LANE, RANTOUL AND POMONA  
  LAKE.  
  

Was on this storm for a few hours. Had pretty awesome mothership structure for a while. Unfortunately didn’t get many chances to pull over and take pics as 70-80mph RFD was constantly surging. Was on the verge of becoming less-outflow’y for a while but just never could. Eventually made a bad road decision and got stuck in the insane wind-driven hail core on I35.

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Quite the change from the Day 3 SPC OTLK to the new day 2 re ENH risk areas:

How it looked at day 3

swody3_categorical.png.fef3061a2802d8a9611897279a3e9557.png

 

How it looks now in the new morning day 2

swody2_categorical.png.ae63eaeb3c0bbd540c2e30eb925bc64d.png

 

Discussion mentions that the CAMs are showing an MCS to move through during morning hours 

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For what it's worth, today's 6z NAM3K (and the 0z) seem to juice things up enough to initiate storms in OK on Wednesday evening.  Today's 6z HRRR (that goes out to 36 hours) puts the MCS' outflow no further south than the northern suburbs of the DFW area at 18z on Wednesday... if that were to verify, seeing an outflow over a populated area does raise my eyebrows just a little bit.

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