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April 26th-30th, 2014 Major Tornado Outbreak


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NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO  
104 PM CDT SUN APR 27 2014  
   
.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON
 
   
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.
 
 
..REMARKS..  
 
1255 PM TSTM WND DMG ODESSA 39.00N 93.95W  
04/27/2014 LAFAYETTE MO FIRE DEPT/RESCUE  
 
TREES UPROOTED, MULTIPLE HOUSES WITH ROOF DAMAGE, AND  
SEMI-TRUCKS BLOWN OVER ALONG INTERSTATE 70. MULTIPLE  
ACCIDENTS REPORTED.

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eastern Kansas is going to to get some early afternoon sun...cirrus also thining over central NE

 

The sun is shining now in Topeka after the first round of heavy rain. I'm waiting for the other shoe to drop.

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* PRIMARY THREATS INCLUDE...
SEVERAL TORNADOES AND A COUPLE INTENSE TORNADOES LIKELY
WIDESPREAD LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2.5
INCHES IN DIAMETER LIKELY
SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 80
MPH POSSIBLE

 
 
Again, really strong wording for a non-PDS/high risk. Hoping the media outlets are doing an adequate job conveying the threat to the public despite the lack of the PDS/high risk label. 
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* PRIMARY THREATS INCLUDE...

SEVERAL TORNADOES AND A COUPLE INTENSE TORNADOES LIKELY

WIDESPREAD LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2.5

INCHES IN DIAMETER LIKELY

SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 80

MPH POSSIBLE

 
 
Again, really strong wording for a non-PDS/high risk. Hoping the media outlets are doing an adequate job conveying the threat to the public despite the lack of the PDS/high risk label. 

 

I don't get the lack of PDS designation w/90-60 probs.  I thought 60 for EF2+ was a threshold for PDS designation.

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The sun is shining now in Topeka after the first round of heavy rain. I'm waiting for the other shoe to drop.

 

I'm in Topeka as well, there's a remote chance that something pops up along the dryline, but the general model consensus seems to be that we're done for the day.

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I'm in Topeka as well, there's a remote chance that something pops up along the dryline, but the general model consensus seems to be that we're done for the day.

pretty obvious at this point that no redevelopment is going to occur along the dryline in KS... Bummer. Still had a glimmer of hope that something would get going due to return of instability with the clearing behind the morning storms... Subsidence I suppose? Confused as to what is missing for redevelopment...
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I don't get the lack of PDS designation w/90-60 probs.  I thought 60 for EF2+ was a threshold for PDS designation.

 

Issuance of PDS is subjective...not objective.  From SPC FAQ:

 

The "particularly dangerous situation" wording is used in rare situations when long-lived, strong and violent tornadoes are possible. This enhanced wording may also accompany severe thunderstorm watches for exceptionally intense and well organized convective wind storms. PDS watches are issued, when in the opinion of the forecaster, the likelihood of significant events is boosted by very volatile atmospheric conditions. Usually this decision is based on a number of atmospheric clues and parameters, so the decision to issue a PDS watch is subjective. There is no hard threshold or criteria. In high risk outlooks PDS watches are issued most often.

 

They might upgrade portions of the central/eastern parts of the watch and points slightly to the east of watch 97 later into a new PDS tornado watch, perhaps.

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BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HASTINGS NE

223 PM CDT SUN APR 27 2014

 

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN KEARNEY COUNTY IN SOUTH CENTRAL NEBRASKA...
  NORTHEASTERN FRANKLIN COUNTY IN SOUTH CENTRAL NEBRASKA...

* UNTIL 245 PM CDT
   
* AT 221 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED OVER UPLAND...OR 26 MILES EAST OF HOLDREGE...
  MOVING NORTHWEST AT 30 MPH.

  HAZARD...TORNADO AND QUARTER 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...
  HILDRETH AROUND 230 PM CDT.

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