Alert archive / Kansas / Tornado Warnings in 2015

Tornado Warning 22, NWS Dodge City, KS

May 9, 2015Trego County, Kansas

NWS Dodge City, KS issued this tornado warning at May 9, 2015, 7:30 PM CDT for Trego County, Kansas. It was in force for 30 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: May 9, 2015, 7:30 PM CDT (00:30 UTC)
Expired: May 9, 2015, 8:00 PM CDT
In force: 30 min
Issued by: NWS Dodge City, KS
Area: Storm-based polygon
Tornado: Observed
Hail: 1.0 in

County Trego County, KS

The radar

The Dodge City radar (KDDC), 144 km from the middle of the area, began a volume at 00:32 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

Time	Report	Where	Remark
May 9, 7:35 PM CDT	TORNADO	4 N Collyer, KS

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 9, 12:55 PM CDT	Tornado Watch	SPC	11 hr

The nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 0.5 hours before the alert went out and 144 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 330 J/kg
Mixed-layer CIN: -51 J/kg
Mixed-layer LCL: 1372 m above ground
0-6 km bulk shear: 70 kt
0-1 km storm-relative helicity: 184 m²/s²
0-3 km storm-relative helicity: 151 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 5.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

582 
WFUS53 KDDC 100030
TORDDC
KSC195-100100-
/O.NEW.KDDC.TO.W.0022.150510T0030Z-150510T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DODGE CITY KS
730 PM CDT SAT MAY 9 2015

THE NATIONAL WEATHER SERVICE IN DODGE CITY HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN TREGO COUNTY IN WEST CENTRAL KANSAS...

* UNTIL 800 PM CDT

* AT 730 PM CDT...A CONFIRMED TORNADO WAS LOCATED 5 MILES NORTH OF
  COLLYER...MOVING NORTH AT 45 MPH.

  HAZARD...DAMAGING TORNADO AND QUARTER SIZE HAIL. 

  SOURCE...WEATHER SPOTTERS 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. 

* THIS TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
  NORTHWESTERN TREGO COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. TAKE COVER NOW! MOVE TO A
BASEMENT OR AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY
BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3902 9998 3901 9998 3903 10015 3913 10015
      3913 9995
TIME...MOT...LOC 0030Z 186DEG 38KT 3911 10008 

TORNADO...OBSERVED
HAIL...1.00IN

$$

RUSSELL

2 follow-up statements

397 
WWUS53 KDDC 100045
SVSDDC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DODGE CITY KS
745 PM CDT SAT MAY 9 2015

KSC195-100100-
/O.CON.KDDC.TO.W.0022.000000T0000Z-150510T0100Z/
TREGO KS-
745 PM CDT SAT MAY 9 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR
NORTHWESTERN TREGO COUNTY...
    
AT 744 PM CDT...A CONFIRMED TORNADO WAS LOCATED 3 MILES SOUTHWEST OF
SAINT PETER...MOVING NORTH AT 20 MPH.

HAZARD...DAMAGING TORNADO AND QUARTER SIZE HAIL. 

SOURCE...WEATHER SPOTTERS 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. 

THIS TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
NORTHWESTERN TREGO COUNTY.

A TORNADO WAS SPOTTED 2 MILE NORTH OF COLLYER AT 728 PM. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. TAKE COVER NOW! MOVE TO A
BASEMENT OR AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY
BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3908 10001 3907 10004 3907 10015 3913 10015
      3913 10001
TIME...MOT...LOC 0044Z 161DEG 18KT 3915 10013 

TORNADO...OBSERVED
HAIL...1.00IN

$$

RUSSELL

794 
WWUS53 KDDC 100053
SVSDDC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DODGE CITY KS
753 PM CDT SAT MAY 9 2015

KSC195-100103-
/O.EXP.KDDC.TO.W.0022.000000T0000Z-150510T0100Z/
TREGO KS-
753 PM CDT SAT MAY 9 2015

...THE TORNADO WARNING FOR NORTHWESTERN TREGO COUNTY WILL EXPIRE AT
800 PM CDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FOR WEST CENTRAL
KANSAS.

LAT...LON 3908 10001 3907 10004 3907 10015 3913 10015
      3913 10001
TIME...MOT...LOC 0052Z 186DEG 38KT 3915 10013 

$$

RUSSELL

The office that day

Everything else NWS Dodge City, KS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 9, 7:09 PM CDT	Severe Thunderstorm Warning	DDC	Clark, Ford, Gray, Meade, Seward	51 min
May 9, 7:29 PM CDT	Severe Thunderstorm Warning	DDC	Finney, Gray, Hodgeman	28 min
May 9, 7:45 PM CDT	Tornado Warning	DDC	Clark, Meade	30 min
May 9, 8:15 PM CDT	Special Weather Statement	DDC	Lane	30 min
May 9, 8:17 PM CDT	Severe Thunderstorm Warning	DDC	Clark, Ford	43 min
May 9, 8:22 PM CDT	Special Weather Statement	DDC	Clark	38 min
May 9, 8:44 PM CDT	Severe Thunderstorm Warning	DDC	Edwards, Ford, Kiowa	46 min
May 9, 8:52 PM CDT	Special Weather Statement	DDC	Lane	23 min
May 9, 10:02 PM CDT	Special Weather Statement	DDC	Gray	43 min
May 9, 10:14 PM CDT	Tornado Warning Tornado observed	DDC	Ford, Gray, Hodgeman	31 min
May 9, 10:19 PM CDT	Severe Thunderstorm Warning	DDC	Edwards, Pawnee, Pratt, Stafford	56 min
May 9, 11:08 PM CDT	Special Weather Statement	DDC	Comanche	52 min
May 9, 11:50 PM CDT	Special Weather Statement	DDC	Barber, Pratt	40 min

Nearby

Tornado Warnings in Kansas, 2015 Every tornado warning in 2015 Tornadoes in 2015

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.