Alert archive / Nebraska / Tornado Watches in 2016

Tornado Watch 206

May 24, 2016Kit Carson County, Yuma County, Colorado; 4 counties in Kansas; 9 counties in Nebraska

The Storm Prediction Center issued this tornado watch at May 24, 2016, 6:09 PM MDT for Kit Carson County, Yuma County, Colorado; 4 counties in Kansas; 9 counties in Nebraska. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
May 24, 2016, 6:09 PM MDT (00:09 UTC)
Expired
May 25, 2016, 12:00 AM MDT
In force
6 hr
Issued by
the Storm Prediction Center
Largest hail expected
2 in
Strongest gust expected
60 kt

Counties Kit Carson County, CO, Yuma County, CO, Cheyenne County, KS, Rawlins County, KS, Sherman County, KS, Thomas County, KS, Chase County, NE, Deuel County, NE, Dundy County, NE, Hayes County, NE, Hitchcock County, NE, Keith County, NE, Lincoln County, NE, Perkins County, NE, Red Willow County, NE

The radar

The Goodland radar (KGLD), 76 km from the middle of the area, began a volume at 00:13 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
30%
One or more EF2 to EF5 tornadoes
20%
Ten or more severe wind reports
30%
One or more gusts of 65 knots or more
20%
Ten or more severe hail reports
30%
One or more hailstones of 2 inches or more
30%
Six or more combined severe hail and wind reports
60%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
May 24, 7:19 PM MDTTornado WarningGLDYuma26 min
May 24, 7:43 PM MDTTornado Warning Tornado observedGLDYuma32 min
May 24, 8:10 PM MDTSevere Thunderstorm WarningLBFDeuel, Keith, Perkins50 min
May 24, 8:15 PM MDTTornado WarningGLDYuma30 min
May 24, 8:21 PM MDTTornado WarningLBFChase24 min
May 24, 8:44 PM MDTTornado WarningLBFChase31 min
May 24, 8:45 PM MDTTornado WarningGLDDundy30 min
May 24, 9:00 PM MDTSevere Thunderstorm WarningLBFKeith, Lincoln, Perkins45 min
May 24, 9:14 PM MDTTornado WarningGLDDundy34 min
May 24, 9:15 PM MDTTornado WarningLBFChase30 min
May 24, 9:38 PM MDTSevere Thunderstorm WarningLBFHayes52 min
May 24, 10:15 PM MDTSevere Thunderstorm WarningLBFFrontier, Hayes45 min
May 24, 10:32 PM MDTSevere Thunderstorm WarningGLDYuma43 min
May 24, 10:59 PM MDTSevere Thunderstorm WarningLBFChase46 min
May 24, 11:45 PM MDTSevere Thunderstorm WarningLBFChase45 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 00:00Z, 0.2 hours before the alert went out and 96 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 00:00Z on 2016-05-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 484 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 2016-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 98 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
484 J/kg
Mixed-layer CIN
-114 J/kg
Mixed-layer LCL
1902 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
98 m²/s²
0-3 km storm-relative helicity
300 m²/s²
Significant tornado parameter
0.0
Supercell composite
5.0

Open this sounding in Storm Lab

The text

As transmitted.

119 
WWUS20 KWNS 250006
SEL6  
SPC WW 250006
COZ000-KSZ000-NEZ000-250600-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 206
NWS STORM PREDICTION CENTER NORMAN OK
605 PM MDT TUE MAY 24 2016

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF 
  EXTREME EASTERN COLORADO
  NORTHWESTERN KANSAS
  SOUTHWESTERN NEBRASKA

* EFFECTIVE THIS TUESDAY NIGHT FROM 605 PM UNTIL MIDNIGHT MDT.

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

SUMMARY...A COMPLEX OF THUNDERSTORMS IN NORTHEAST COLORADO...AND IN
TORNADO WATCH 203 AT THIS TIME...IS EXPECTED TO MOVE EASTWARD INTO
THIS NEW WATCH WITH SOME THREAT FOR SUPERCELLS TO PERSIST AND OFFER
A TORNADO THREAT.  ADDITIONAL STORMS ALSO MAY DEVELOP NEAR A DRYLINE
ACROSS WESTERN PARTS OF THE WATCH...AND BECOME SEVERE.  DAMAGING
WIND ALSO IS LIKELY...AS WELL AS LARGE HAIL.  SEE SPC MESOSCALE
DISCUSSION 712 FOR MORE METEOROLOGICAL DETAILS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 50 STATUTE
MILES EAST AND WEST OF A LINE FROM 25 MILES WEST SOUTHWEST OF
GOODLAND KANSAS TO 40 MILES NORTH OF IMPERIAL NEBRASKA.  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 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
500. MEAN STORM MOTION VECTOR 27025.


...EDWARDS

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 24, 6:34 PM MDTMesoscale DiscussionSPCLogan, Morgan, Phillips, Sedgwick, Washington86 min
May 25, 1:52 PM MDTMesoscale DiscussionSPCPhillips, Sedgwick53 min
May 24, 6:15 PM MDTMesoscale DiscussionSPCBarton, Ellsworth, Harper, Kingman, Reno, Rice30 min
May 24, 6:27 PM MDTTornado WatchSPCBarton, Butler, Cloud, Cowley, Dickinson, Ellsworth and 19 more6 hr
May 24, 7:26 PM MDTMesoscale DiscussionSPCBarber, Barton, Clark, Comanche, Edwards, Ellis and 15 more64 min
May 24, 8:49 PM MDTMesoscale DiscussionSPCAllen, Anderson, Atchison, Barber, Barton, Bourbon and 55 more86 min
May 24, 9:09 PM MDTSevere Thunderstorm WatchSPCAllen, Anderson, Atchison, Brown, Chase, Clay and 24 more6 hr
May 24, 10:37 PM MDTMesoscale DiscussionSPCEdwards, Pawnee, Pratt, Rush, Stafford113 min
May 25, 1:47 PM MDTMesoscale DiscussionSPCButler, Chase, Cowley, Dickinson, Elk, Greenwood and 7 more118 min
May 25, 2:44 PM MDTTornado WatchSPCBarton, Butler, Chase, Chautauqua, Clay, Cloud and 25 more9 hr
May 24, 8:02 PM MDTMesoscale DiscussionSPCCherry, Sheridan58 min
May 24, 9:43 PM MDTMesoscale DiscussionSPCAdams, Buffalo, Custer, Dawson, Franklin, Frontier and 15 more92 min
May 24, 10:07 PM MDTSevere Thunderstorm WatchSPCAdams, Blaine, Buffalo, Custer, Dawson, Franklin and 17 more6 hr
May 24, 10:56 PM MDTMesoscale DiscussionSPCChase, Dundy, Hayes, Hitchcock, Lincoln64 min
May 25, 2:33 AM MDTMesoscale DiscussionSPCAdams, Buffalo, Chase, Dawson, Franklin, Frontier and 8 more57 min

Nearby

Tornado Watches in Nebraska, 2016Tornado Watches in Kansas, 2016Tornado Watches in Colorado, 2016Every tornado watch in 2016

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.