Alert archive / Kansas / Tornado Watches in 2021

Tornado Watch 210

May 26, 20218 counties in Colorado; 35 counties in Kansas; 8 counties in Nebraska

The Storm Prediction Center issued this tornado watch at May 26, 2021, 3:42 PM MDT for 8 counties in Colorado; 35 counties in Kansas; 8 counties in Nebraska. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued
May 26, 2021, 3:42 PM MDT (21:42 UTC)
Expired
May 26, 2021, 11:44 PM MDT
In force
8 hr
Issued by
the Storm Prediction Center
Particularly dangerous situation
Yes
Largest hail expected
4 in
Strongest gust expected
65 kt
All 51 counties

Cheyenne County, CO, Kit Carson County, CO, Logan County, CO, Morgan County, CO, Phillips County, CO, Sedgwick County, CO, Washington County, CO, Yuma County, CO, Barber County, KS, Cheyenne County, KS, Clark County, KS, Comanche County, KS, Decatur County, KS, Edwards County, KS, Ellis County, KS, Finney County, KS, Ford County, KS, Gove County, KS, Graham County, KS, Gray County, KS, Greeley County, KS, Haskell County, KS, Hodgeman County, KS, Kearny County, KS, Kiowa County, KS, Lane County, KS, Logan County, KS, Meade County, KS, Ness County, KS, Norton County, KS, Pawnee County, KS, Pratt County, KS, Rawlins County, KS, Rush County, KS, Scott County, KS, Seward County, KS, Sheridan County, KS, Sherman County, KS, Stafford County, KS, Thomas County, KS, Trego County, KS, Wallace County, KS, Wichita County, KS, Chase County, NE, Dundy County, NE, Frontier County, NE, Hayes County, NE, Hitchcock County, NE, Lincoln County, NE, Perkins County, NE, Red Willow County, NE

The radar

The Goodland radar (KGLD), 90 km from the middle of the area, began a volume at 21:43 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
80%
One or more EF2 to EF5 tornadoes
80%
Ten or more severe wind reports
60%
One or more gusts of 65 knots or more
60%
Ten or more severe hail reports
80%
One or more hailstones of 2 inches or more
80%
Six or more combined severe hail and wind reports
95%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
May 26, 3:42 PM MDTSevere Thunderstorm WarningBOUMorgan, Weld48 min
May 26, 3:46 PM MDTTornado Warning Tornado observedConsiderable damage threatGLDDundy29 min
May 26, 3:51 PM MDTSevere Thunderstorm WarningGLDRawlins54 min
May 26, 3:56 PM MDTSevere Thunderstorm WarningGLDLogan, Wichita19 min
May 26, 4:00 PM MDTTornado WarningLBFChase, Hayes60 min
May 26, 4:03 PM MDTTornado Warning Tornado observedGLDDundy, Hitchcock42 min
May 26, 4:18 PM MDTSevere Thunderstorm WarningBOULogan, Weld42 min
May 26, 4:20 PM MDTTornado Warning Tornado observedGLDDecatur, Rawlins40 min
May 26, 4:24 PM MDTSevere Thunderstorm WarningLBFFrontier, Lincoln31 min
May 26, 4:29 PM MDTTornado WarningGLDHitchcock46 min
May 26, 4:30 PM MDTTornado WarningLBFHayes45 min
May 26, 4:30 PM MDTTornado WarningLBFHayes45 min
May 26, 4:31 PM MDTTornado WarningGLDDundy, Hitchcock44 min
May 26, 4:33 PM MDTSevere Thunderstorm WarningGLDLogan, Thomas27 min
May 26, 4:42 PM MDTSevere Thunderstorm WarningGLDLogan33 min
May 26, 5:00 PM MDTTornado WarningGLDDecatur, Rawlins45 min
May 26, 5:07 PM MDTTornado WarningLBFHayes31 min
May 26, 5:12 PM MDTTornado WarningGLDDecatur48 min
May 26, 5:46 PM MDTTornado WarningGLDRed Willow44 min
May 26, 5:55 PM MDTSevere Thunderstorm WarningGLDSheridan35 min
May 26, 5:57 PM MDTTornado WarningGLDDecatur48 min
May 26, 6:06 PM MDTSevere Thunderstorm WarningDDCGray, Meade54 min
May 26, 6:14 PM MDTFlash Flood WarningGLDHitchcock, Red Willow8 hr
May 26, 6:30 PM MDTSevere Thunderstorm WarningDDCFord, Gray19 min
May 26, 6:33 PM MDTSevere Thunderstorm WarningGLDRed Willow42 min
May 26, 6:42 PM MDTTornado WarningGLDDecatur, Graham, Norton, Sheridan18 min
May 26, 6:45 PM MDTSevere Thunderstorm WarningBOUSedgwick31 min
May 26, 6:47 PM MDTFlash Flood WarningLBFFrontier, Hayes10 hr
May 26, 6:48 PM MDTSevere Thunderstorm WarningGLDHitchcock27 min
May 26, 6:59 PM MDTTornado WarningGLDNorton31 min
May 26, 7:02 PM MDTTornado WarningGLDHitchcock28 min
May 26, 7:03 PM MDTSevere Thunderstorm WarningGLDDecatur, Rawlins57 min
May 26, 7:03 PM MDTSevere Thunderstorm WarningLBFFrontier, Hayes42 min
May 26, 7:04 PM MDTSevere Thunderstorm WarningLBFChase, Hayes41 min
May 26, 7:05 PM MDTSevere Thunderstorm WarningLBFKeith, Perkins40 min
May 26, 7:24 PM MDTSevere Thunderstorm WarningGLDNorton51 min
May 26, 7:27 PM MDTSevere Thunderstorm WarningGLDHitchcock, Red Willow48 min
May 26, 7:28 PM MDTSevere Thunderstorm WarningLBFChase, Perkins32 min
May 26, 7:39 PM MDTSevere Thunderstorm WarningLBFArthur, Keith, Lincoln, McPherson36 min
May 26, 7:43 PM MDTFlash Flood WarningGLDHitchcock6 hr
May 26, 7:44 PM MDTSevere Thunderstorm WarningLBFKeith, Lincoln, Perkins46 min
May 26, 7:53 PM MDTSevere Thunderstorm WarningGLDGraham22 min
May 26, 7:56 PM MDTFlash Flood WarningLBFLincoln62 min
May 26, 8:02 PM MDTSevere Thunderstorm WarningGLDRed Willow17 min
May 26, 8:14 PM MDTSevere Thunderstorm WarningGLDRed Willow46 min
May 26, 8:31 PM MDTSevere Thunderstorm WarningGLDGraham29 min
May 26, 8:38 PM MDTSevere Thunderstorm WarningGLDRed Willow22 min
May 26, 9:00 PM MDTSevere Thunderstorm WarningGLDGraham15 min
May 26, 9:08 PM MDTFlash Flood WarningGLDGraham3 hr

Discussions around it

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

The nearest sounding before it

Dodge City, (KDDC), launched 12:00Z, 9.7 hours before the alert went out and 188 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, Dodge City, at 12:00Z on 2021-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2211 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Dodge City, at 12:00Z on 2021-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 90 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
2211 J/kg
Mixed-layer CIN
-62 J/kg
Mixed-layer LCL
911 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
90 m²/s²
0-3 km storm-relative helicity
73 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

As transmitted.

171 
WWUS20 KWNS 262139
SEL0  
SPC WW 262139
COZ000-KSZ000-NEZ000-270700-

URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 210
NWS Storm Prediction Center Norman OK
440 PM CDT Wed May 26 2021

The NWS Storm Prediction Center has issued a

* Tornado Watch for portions of 
  Northeastern and extreme eastern Colorado
  Western Kansas
  Southwestern Nebraska

* Effective this Wednesday afternoon and Thursday morning from
  440 PM until 200 AM CDT.

...THIS IS A PARTICULARLY DANGEROUS SITUATION...

* Primary threats include...
  Several tornadoes and a few intense tornadoes likely
  Widespread large hail and scattered very large hail events to 4
    inches in diameter likely
  Scattered damaging winds and isolated significant gusts to 75
    mph likely

SUMMARY...Several supercells should develop across western parts of
the watch area through this evening and spread northeastward to
eastward, offering tornadoes (some strong with EF2+ damage
capability), as well as severe to giant hail and locally severe
gusts.  Clustering into one or more storm complexes with an
increased wind threat may occur later this evening.

The tornado watch area is approximately along and 75 statute miles
east and west of a line from 30 miles north northwest of Imperial NE
to 55 miles south southeast of Dodge City KS. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU0).

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 205...WW 206...WW
207...WW 208...WW 209...

AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 4 inches. Extreme turbulence and surface wind
gusts to 65 knots. A few cumulonimbi with maximum tops to 600. Mean
storm motion vector 24025.

...Edwards

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 26, 11:45 AM MDTMesoscale DiscussionSPCLogan, Morgan, Phillips, Sedgwick, Weld2 hr
May 26, 4:44 PM MDTMesoscale DiscussionSPCPhillips, Sedgwick2 hr
May 26, 9:14 AM MDTMesoscale DiscussionSPCCheyenne, Decatur, Rawlins, Sherman, Thomas61 min
May 26, 12:47 PM MDTMesoscale DiscussionSPCBarton, Cheyenne, Edwards, Ellis, Ellsworth, Finney and 31 more88 min
May 26, 2:11 PM MDTTornado WatchSPCBarton, Ellsworth, Lincoln, McPherson, Reno, Rice and 2 more8 hr
May 26, 5:07 PM MDTSevere Thunderstorm WatchSPCClay, Cloud, Dickinson, Geary, Jewell, Marshall and 10 more8 hr
May 26, 1:27 PM MDTSevere Thunderstorm WatchSPCArthur, Banner, Box Butte, Cherry, Cheyenne, Dawes and 11 more8 hr
May 26, 5:48 PM MDTMesoscale DiscussionSPCBox Butte, Dawes, Morrill, Scotts Bluff, Sheridan, Sioux87 min

Nearby

Tornado Watches in Kansas, 2021Tornado Watches in Colorado, 2021Tornado Watches in Nebraska, 2021Every tornado watch in 2021

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.