Alert archive / Kansas / Tornado Watches in 2015

Tornado Watch 206

May 24, 20157 counties in Colorado; 29 counties in Kansas; Dundy County, Hitchcock County, Nebraska

The Storm Prediction Center issued this tornado watch at May 24, 2015, 4:00 PM MDT for 7 counties in Colorado; 29 counties in Kansas; Dundy County, Hitchcock County, Nebraska. It was in force for 10 hr.

The area

The outline as issued.

The facts

Issued
May 24, 2015, 4:00 PM MDT (22:00 UTC)
Expired
May 25, 2015, 2:00 AM MDT
In force
10 hr
Issued by
the Storm Prediction Center
Largest hail expected
2 in
Strongest gust expected
60 kt
All 38 counties

Baca County, CO, Bent County, CO, Cheyenne County, CO, Kiowa County, CO, Kit Carson County, CO, Prowers County, CO, Yuma County, CO, Cheyenne County, KS, Clark County, KS, Comanche County, KS, Edwards County, KS, Finney County, KS, Ford County, KS, Gove County, KS, Grant County, KS, Gray County, KS, Greeley County, KS, Hamilton County, KS, Haskell County, KS, Hodgeman County, KS, Kearny County, KS, Kiowa County, KS, Lane County, KS, Logan County, KS, Meade County, KS, Morton County, KS, Rawlins County, KS, Scott County, KS, Seward County, KS, Sheridan County, KS, Sherman County, KS, Stanton County, KS, Stevens County, KS, Thomas County, KS, Wallace County, KS, Wichita County, KS, Dundy County, NE, Hitchcock County, NE

The radar

The Goodland radar (KGLD), 51 km from the middle of the area, began a volume at 22:00 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 SPC expected

The probabilities SPC published with the watch, for the watch area over its life.

Two or more tornadoes
40%
One or more EF2 to EF5 tornadoes
10%
Ten or more severe wind reports
20%
One or more gusts of 65 knots or more
5%
Ten or more severe hail reports
60%
One or more hailstones of 2 inches or more
30%
Six or more combined severe hail and wind reports
80%

Warnings issued inside it

41 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
May 24, 4:14 PM MDTFlash Flood WarningGLDKit Carson, Yuma3 hr
May 24, 4:25 PM MDTTornado WarningPUBProwers50 min
May 24, 4:26 PM MDTSevere Thunderstorm WarningPUBBaca, Bent, Las Animas, Prowers49 min
May 24, 4:56 PM MDTSevere Thunderstorm WarningPUBProwers64 min
May 24, 4:59 PM MDTFlash Flood WarningPUBProwers3 hr
May 24, 5:07 PM MDTTornado WarningPUBProwers38 min
May 24, 5:11 PM MDTSevere Thunderstorm WarningPUBKiowa, Prowers49 min
May 24, 5:12 PM MDTSevere Thunderstorm WarningPUBBaca, Bent, Prowers48 min
May 24, 5:41 PM MDTTornado WarningPUBProwers18 min
May 24, 5:54 PM MDTSevere Thunderstorm WarningPUBBaca, Prowers36 min
May 24, 5:58 PM MDTSevere Thunderstorm WarningPUBProwers25 min
May 24, 6:02 PM MDTSevere Thunderstorm WarningDDCHamilton43 min
May 24, 6:06 PM MDTTornado WarningPUBBaca, Prowers24 min
May 24, 6:20 PM MDTSevere Thunderstorm WarningDDCHamilton, Stanton55 min
May 24, 6:32 PM MDTSevere Thunderstorm WarningPUBBaca, Prowers16 min
May 24, 6:40 PM MDTSevere Thunderstorm WarningDDCSeward, Stevens50 min
May 24, 6:45 PM MDTSevere Thunderstorm WarningDDCHamilton, Kearny45 min
May 24, 6:49 PM MDTTornado WarningDDCSeward, Stevens26 min
May 24, 7:10 PM MDTSevere Thunderstorm WarningDDCSeward20 min
May 24, 7:13 PM MDTSevere Thunderstorm WarningDDCHamilton, Kearny, Stanton47 min
May 24, 7:31 PM MDTSevere Thunderstorm WarningDDCGrant, Gray, Haskell, Kearny, Meade, Seward and 1 more44 min
May 24, 7:56 PM MDTSevere Thunderstorm WarningDDCGrant, Hamilton, Kearny, Stanton49 min
May 24, 8:03 PM MDTTornado WarningDDCMeade, Seward27 min
May 24, 8:10 PM MDTSevere Thunderstorm WarningDDCHaskell, Meade, Seward50 min
May 24, 8:27 PM MDTTornado WarningDDCHaskell, Meade, Seward33 min
May 24, 8:33 PM MDTSevere Thunderstorm WarningDDCGrant, Stevens12 min
May 24, 8:41 PM MDTSevere Thunderstorm WarningDDCFinney, Grant, Haskell, Kearny, Seward, Stevens49 min
May 24, 8:57 PM MDTTornado Warning Tornado observedDDCGray, Meade, Seward33 min
May 24, 9:24 PM MDTTornado Warning Tornado observedConsiderable damage threatDDCGray, Meade36 min
May 24, 9:25 PM MDTSevere Thunderstorm WarningDDCFinney, Grant, Haskell, Kearny, Seward, Stevens65 min
May 24, 9:58 PM MDTTornado Warning Tornado observedConsiderable damage threatDDCGray, Meade47 min
May 24, 10:07 PM MDTFlash Flood WarningDDCGray, Haskell, Meade, Seward10 hr
May 24, 10:25 PM MDTSevere Thunderstorm WarningDDCFinney, Gray, Haskell, Meade, Seward50 min
May 24, 10:41 PM MDTTornado Warning Tornado observedConsiderable damage threatDDCFord, Gray34 min
May 24, 11:14 PM MDTSevere Thunderstorm WarningDDCFord, Gray, Haskell, Hodgeman, Meade, Seward46 min
May 24, 11:16 PM MDTTornado WarningDDCFord29 min
May 24, 11:36 PM MDTTornado WarningDDCFord24 min
May 24, 11:50 PM MDTSevere Thunderstorm WarningDDCEdwards, Ford, Hodgeman, Kiowa55 min
May 24, 11:53 PM MDTSevere Thunderstorm WarningDDCClark, Ford, Gray, Haskell, Meade52 min
May 25, 12:06 AM MDTFlash Flood WarningDDCFord, Gray6 hr
May 25, 12:40 AM MDTSevere Thunderstorm WarningDDCFord, Gray, Hodgeman, Meade50 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Denver, CO (KDEN), launched 12:00Z, 10.0 hours before the alert went out and 154 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-pSkew-T log-p diagram, Denver, CO at 12:00Z on 2015-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 12:00Z on 2015-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 4 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1092 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
4 m²/s²
0-3 km storm-relative helicity
11 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

846 
WWUS20 KWNS 242159
SEL6  
SPC WW 242159
COZ000-KSZ000-NEZ000-250600-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 206
NWS STORM PREDICTION CENTER NORMAN OK
500 PM CDT SUN MAY 24 2015

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF 
  EASTERN COLORADO
  WESTERN KANSAS
  SOUTHWEST NEBRASKA

* EFFECTIVE THIS SUNDAY AFTERNOON AND MONDAY MORNING FROM 500 PM
  UNTIL 100 AM CDT.

* PRIMARY THREATS INCLUDE...
  A COUPLE TORNADOES POSSIBLE
  SCATTERED LARGE HAIL LIKELY WITH ISOLATED VERY LARGE HAIL EVENTS
    TO 2 INCHES IN DIAMETER POSSIBLE
  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

SUMMARY...SCATTERED THUNDERSTORMS NOW FORMING IN EASTERN CO WILL
MOVE/DEVELOP GENERALLY EWD THROUGH LATE EVENING...ACCOMPANIED BY A
RISK FOR SEVERE HAIL AND TORNADOES.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 70 STATUTE
MILES EAST AND WEST OF A LINE FROM 60 MILES NORTH OF GOODLAND
KANSAS TO 20 MILES EAST OF ELKHART KANSAS.  FOR A COMPLETE
DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE
(WOUS64 KWNS WOU6).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS.

&&

OTHER WATCH INFORMATION...CONTINUE...WW 202...WW 203...WW
204...WW 205...

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
450. MEAN STORM MOTION VECTOR 22020.


...CORFIDI

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 24, 12:22 PM MDTMesoscale DiscussionSPCBaca, Bent, Cheyenne, Crowley, Elbert, Kiowa and 5 more83 min
May 23, 9:49 PM MDTMesoscale DiscussionSPCCherokee86 min

Nearby

Tornado Watches in Kansas, 2015Tornado Watches in Colorado, 2015Tornado Watches in Nebraska, 2015Every tornado watch 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.