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MESOSCALE DISCUSSION 0680
NWS STORM PREDICTION CENTER NORMAN OK
0552 PM CDT SAT MAY 18 2013
 
AREAS AFFECTED...WRN OK
 
CONCERNING...TORNADO WATCH 171...
 
VALID 182252Z - 182345Z
 
THE SEVERE WEATHER THREAT FOR TORNADO WATCH 171 CONTINUES.
 
SUMMARY...LARGE TO VERY LARGE HAIL AND SEVERE WIND GUST THREAT WILL
LIKELY BE THE MAIN THREATS FOR THE NEXT HOUR OR SO OVER WRN OK.  THE
POTENTIAL FOR A TORNADIC SUPERCELL OR TWO WOULD SEEMINGLY INCREASE
IN THE 00Z-02Z PERIOD AS STORMS MOVE TO THE NE AT 20 KT.
 
DISCUSSION...RADAR MOSAIC SHOWS A SMALL CLUSTER OF SEVERE STORMS
OCCASIONALLY ACQUIRING SUPERCELL CHARACTERISTICS AS THE STORMS MOVE
TO THE NE AT 20 KT OVER SWRN OK.  THE KFDR VWP ONLY SHOWS AROUND
30-35 KT 0-6 KM SHEAR...LENDING SOME LIMITATION TO GREATER SUPERCELL
STRUCTURE LONGEVITY.  NONETHELESS...THE AIRMASS OVER WRN OK FEATURES
VERY STEEP LAPSE RATES AND WILL FAVOR LARGE TO VERY LARGE HAIL
GROWTH WITH THE MORE INTENSE UPDRAFTS.  CURRENT THINKING IS AN
EVENTUAL MORE ROBUST STORM OR TWO WILL EVENTUALLY EVOLVE FROM THIS
CLUSTER OF STORMS.  AS DEEP LAYER SHEAR IMPROVES SLIGHTLY THIS
EVENING...THE REMAINING INTENSE UPDRAFTS WILL BECOME INTENSE
SUPERCELLS WITH STORM-SCALE ROTATION INCREASING IN TANDEM WITH A LLJ
FORECAST TO STRENGTHEN TO 40 KT BY 00-01Z.  AS NEAR-SURFACE WINDS
BACK SLIGHTLY THIS EVENING...RICHER MOISTURE WILL SLOWLY MOVE WWD
AND IMPROVE PROSPECTS FOR A TORNADIC SUPERCELL AS BOUNDARY LAYER RH
INCREASES.

 

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Wow. Level 3 is showing 92 knots on one side, 53 knots in the other direction, on the other side of this tornado. that's 145 knots. Usually you need Level 2 data to see that.

i had to change my scales on the bv and srv to handle numbers that high off the hastings radar (was showing numbers on the 0.5 as much as 90-100 kts)

 

but the storm moving into decatur county, ks is looking better by the minute.

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BULLETIN - EAS ACTIVATION REQUESTED

TORNADO WARNING

NATIONAL WEATHER SERVICE DODGE CITY KS

601 PM CDT SAT MAY 18 2013

 

THE NATIONAL WEATHER SERVICE IN DODGE CITY HAS ISSUED A

 

* TORNADO WARNING FOR...

  SOUTHWESTERN ELLIS COUNTY IN CENTRAL KANSAS...

  NORTHEASTERN NESS COUNTY IN WEST CENTRAL KANSAS...

  NORTHWESTERN RUSH COUNTY IN CENTRAL KANSAS...

  SOUTHEASTERN TREGO COUNTY IN WEST CENTRAL KANSAS...

 

* UNTIL 630 PM CDT

 

* AT 559 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A

  TORNADO WAS LOCATED NEAR BROWNELL...AND MOVING NORTHEAST AT 30 MPH.

 

  HAZARD...DEVELOPING TORNADO AND GOLF BALL SIZE HAIL.

 

  SOURCE...RADAR INDICATED ROTATION.

 

  IMPACT...MOBILE HOMES WILL BE HEAVILY DAMAGED OR DESTROYED.

           SIGNIFICANT DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL

           OCCUR. FLYING DEBRIS WILL BE DEADLY TO PEOPLE AND ANIMALS.

           EXTENSIVE TREE DAMAGE IS LIKELY.

 

* LOCATIONS IMPACTED INCLUDE...

  CEDAR BLUFF...MCCRACKEN...HARGRAVE...RIGA AND ELLIS.

 

NUMEROUS FUNNEL CLOUDS HAVE BEEN REPORTED WITH THIS STORM. 
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...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN ELLIS...

NORTHEASTERN NESS...NORTHWESTERN RUSH AND SOUTHEASTERN TREGO COUNTIES

UNTIL 630 PM CDT...

AT 604 PM CDT...A CONFIRMED TORNADO WAS LOCATED NEAR BROWNELL...AND

MOVING NORTHEAST AT 35 MPH.

HAZARD...DAMAGING TORNADO AND GOLF BALL SIZE HAIL.

SOURCE...RADAR CONFIRMED TORNADO.

IMPACT...MOBILE HOMES WILL BE HEAVILY DAMAGED OR DESTROYED.

SIGNIFICANT DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL

OCCUR. FLYING DEBRIS WILL BE DEADLY TO PEOPLE AND ANIMALS.

EXTENSIVE TREE DAMAGE IS LIKELY.

LOCATIONS IMPACTED INCLUDE...

CEDAR BLUFF...MCCRACKEN...HARGRAVE AND ELLIS.

AT 603 PM...EMERGENCY MANAGEMENT REPORTED A BRIEF RAIN WRAPPED

TORNADO 5 MILES SOUTH OF ELLIS.

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571
NWUS53 KDDC 182310
LSRDDC

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DODGE CITY KS
610 PM CDT SAT MAY 18 2013

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0603 PM TORNADO 5 S ELLIS 38.86N 99.56W
05/18/2013 ELLIS KS EMERGENCY MNGR


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Difference in opinions...Lucio wants to go north to the tor warned cell, Neal wants to play the Kinsley cell, and I want to watch the activity coming out of OK.

lol

 I'm dumping the Trego cell to fly S... high based garbage for an hour now. Didn't see the reported tor but was already leaving. Not saying anything else will be better or that this one won't produce later but it's been ugly.

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I'm dumping the Trego cell to fly S... high based garbage for an hour now. Didn't see the reported tor but was already leaving. Not saying anything else will be better or that this one won't produce later but it's been ugly.

Thanks for the info. We're gonna play the middle cell.
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