Alert archive / Kansas / Severe Thunderstorm Watches in 2016

Severe Thunderstorm Watch 307

June 28, 2016Cheyenne County, Kit Carson County, Yuma County, Colorado; 42 counties in Kansas; 31 counties in Nebraska

The Storm Prediction Center issued this severe thunderstorm watch at Jun 28, 2016, 7:55 PM MDT for Cheyenne County, Kit Carson County, Yuma County, Colorado; 42 counties in Kansas; 31 counties in Nebraska. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Jun 28, 2016, 7:55 PM MDT (01:55 UTC)
Expired
Jun 29, 2016, 3:00 AM MDT
In force
7 hr
Issued by
the Storm Prediction Center
Largest hail expected
2 in
Strongest gust expected
70 kt
All 76 counties

Cheyenne County, CO, Kit Carson County, CO, Yuma County, CO, Barton County, KS, Cheyenne County, KS, Clark County, KS, Decatur County, KS, Ellis County, KS, Ellsworth County, KS, Finney County, KS, Ford County, KS, Gove County, KS, Graham County, KS, Grant County, KS, Gray County, KS, Greeley County, KS, Hamilton County, KS, Haskell County, KS, Hodgeman County, KS, Kearny County, KS, Lane County, KS, Lincoln County, KS, Logan County, KS, Meade County, KS, Morton County, KS, Ness County, KS, Norton County, KS, Osborne County, KS, Pawnee County, KS, Phillips County, KS, Rawlins County, KS, Rooks County, KS, Rush County, KS, Russell County, KS, Scott County, KS, Seward County, KS, Sheridan County, KS, Sherman County, KS, Smith County, KS, Stanton County, KS, Stevens County, KS, Thomas County, KS, Trego County, KS, Wallace County, KS, Wichita County, KS, Arthur County, NE, Blaine County, NE, Brown County, NE, Buffalo County, NE, Chase County, NE, Custer County, NE, Dawson County, NE, Dundy County, NE, Franklin County, NE, Frontier County, NE, Furnas County, NE, Garfield County, NE, Gosper County, NE, Grant County, NE, Harlan County, NE, Hayes County, NE, Hitchcock County, NE, Hooker County, NE, Kearney County, NE, Keith County, NE, Lincoln County, NE, Logan County, NE, Loup County, NE, McPherson County, NE, Perkins County, NE, Phelps County, NE, Red Willow County, NE, Rock County, NE, Sherman County, NE, Thomas County, NE, Valley County, NE

The radar

The Goodland radar (KGLD), 110 km from the middle of the area, began a volume at 01:58 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
20%
One or more EF2 to EF5 tornadoes
10%
Ten or more severe wind reports
80%
One or more gusts of 65 knots or more
50%
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
95%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jun 28, 7:55 PM MDTSevere Thunderstorm WarningLBFArthur, Keith, Lincoln, McPherson50 min
Jun 28, 8:04 PM MDTSevere Thunderstorm WarningLBFKeith, Perkins26 min
Jun 28, 8:07 PM MDTSevere Thunderstorm WarningLBFBrown, Keya Paha23 min
Jun 28, 8:14 PM MDTSevere Thunderstorm WarningGLDYuma46 min
Jun 28, 8:25 PM MDTSevere Thunderstorm WarningLBFKeith, Lincoln, Logan, McPherson35 min
Jun 28, 8:27 PM MDTSevere Thunderstorm WarningLBFChase, Hayes, Lincoln, Perkins33 min
Jun 28, 8:42 PM MDTSevere Thunderstorm WarningGLDKit Carson, Yuma48 min
Jun 28, 8:43 PM MDTSevere Thunderstorm WarningLBFBlaine, Brown, Custer, Logan, Loup, Rock and 1 more47 min
Jun 28, 8:50 PM MDTSevere Thunderstorm WarningGLDYuma40 min
Jun 28, 8:56 PM MDTSevere Thunderstorm WarningLBFChase, Frontier, Hayes, Lincoln, Perkins64 min
Jun 28, 8:59 PM MDTSevere Thunderstorm WarningLBFCuster, Lincoln, Logan46 min
Jun 28, 9:02 PM MDTSevere Thunderstorm WarningGLDYuma43 min
Jun 28, 9:07 PM MDTTornado WarningGLDYuma23 min
Jun 28, 9:15 PM MDTSevere Thunderstorm WarningGLDKit Carson, Yuma45 min
Jun 28, 9:15 PM MDTSevere Thunderstorm WarningLBFCuster60 min
Jun 28, 9:17 PM MDTSevere Thunderstorm WarningGLDCheyenne, Rawlins43 min
Jun 28, 9:23 PM MDTSevere Thunderstorm WarningGLDRawlins52 min
Jun 28, 9:28 PM MDTSevere Thunderstorm WarningGLDKit Carson, Yuma32 min
Jun 28, 9:29 PM MDTSevere Thunderstorm WarningLBFBlaine, Custer, Garfield, Loup46 min
Jun 28, 9:31 PM MDTSevere Thunderstorm WarningGLDCheyenne, Decatur, Rawlins, Sherman, Thomas44 min
Jun 28, 9:34 PM MDTSevere Thunderstorm WarningLBFFrontier41 min
Jun 28, 9:37 PM MDTTornado WarningGLDYuma38 min
Jun 28, 9:43 PM MDTSevere Thunderstorm WarningLBFCuster, Lincoln32 min
Jun 28, 9:51 PM MDTSevere Thunderstorm WarningGLDSherman, Thomas, Wallace39 min
Jun 28, 9:56 PM MDTSevere Thunderstorm WarningGLDYuma64 min
Jun 28, 10:01 PM MDTSevere Thunderstorm WarningGLDKit Carson44 min
Jun 28, 10:03 PM MDTTornado WarningGLDYuma27 min
Jun 28, 10:08 PM MDTTornado WarningGLDKit Carson12 min
Jun 28, 10:08 PM MDTSevere Thunderstorm WarningGLDDecatur, Rawlins, Thomas52 min
Jun 28, 10:13 PM MDTSevere Thunderstorm WarningGLDCheyenne, Rawlins32 min
Jun 28, 10:14 PM MDTSevere Thunderstorm WarningLBFCuster30 min
Jun 28, 10:15 PM MDTSevere Thunderstorm WarningLBFFrontier30 min
Jun 28, 10:21 PM MDTSevere Thunderstorm WarningGIDFurnas, Gosper, Harlan, Phelps39 min
Jun 28, 10:27 PM MDTTornado WarningGLDKit Carson15 min
Jun 28, 10:28 PM MDTSevere Thunderstorm WarningGLDSherman, Thomas62 min
Jun 28, 10:36 PM MDTFlash Flood WarningGLDKit Carson, Yuma3 hr
Jun 28, 10:40 PM MDTSevere Thunderstorm WarningGLDLogan, Wallace65 min
Jun 28, 10:44 PM MDTSevere Thunderstorm WarningGLDKit Carson18 min
Jun 28, 10:47 PM MDTFlash Flood WarningGLDYuma3 hr
Jun 28, 11:06 PM MDTSevere Thunderstorm WarningGLDGreeley, Logan, Wallace, Wichita54 min
Jun 28, 11:07 PM MDTSevere Thunderstorm WarningGLDKit Carson16 min
Jun 28, 11:16 PM MDTSevere Thunderstorm WarningGLDKit Carson33 min
Jun 28, 11:38 PM MDTSevere Thunderstorm WarningGLDGove, Logan, Sheridan, Thomas37 min
Jun 28, 11:53 PM MDTSevere Thunderstorm WarningGLDCheyenne52 min
Jun 29, 12:39 AM MDTSevere Thunderstorm WarningGLDCheyenne26 min
Jun 29, 1:54 AM MDTSevere Thunderstorm WarningDDCGrant, Haskell, Seward, Stevens51 min
Jun 29, 2:43 AM MDTSevere Thunderstorm WarningDDCMeade, Seward, Stevens62 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

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 1.9 hours before the alert went out and 173 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, N. Platte/Lee Bi, NE at 00:00Z on 2016-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1615 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, N. Platte/Lee Bi, NE at 00:00Z on 2016-06-29The 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
1615 J/kg
Mixed-layer CIN
-71 J/kg
Mixed-layer LCL
1591 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
4 m²/s²
0-3 km storm-relative helicity
133 m²/s²
Significant tornado parameter
0.5
Supercell composite
7.9

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 28, 6:13 PM MDTMesoscale DiscussionSPCKit Carson, Yuma2 hr
Jun 28, 6:27 PM MDTMesoscale DiscussionSPCPhillips, Sedgwick63 min
Jun 28, 9:13 PM MDTMesoscale DiscussionSPCBaca, Bent, Crowley, Kiowa, Lincoln, Otero and 1 more62 min
Jun 28, 9:38 PM MDTSevere Thunderstorm WatchSPCBaca, Bent, Crowley, El Paso, Kiowa, Las Animas and 4 more5 hr
Jun 29, 12:55 AM MDTMesoscale DiscussionSPCBaca, Bent, Kiowa, Prowers2 hr
Jun 29, 2:52 PM MDTMesoscale DiscussionSPCLogan, Morgan, Phillips, Sedgwick, Weld, Yuma53 min
Jun 28, 10:04 PM MDTMesoscale DiscussionSPCCheyenne, Logan, Rawlins, Sherman, Thomas, Wallace56 min
Jun 28, 8:44 PM MDTMesoscale DiscussionSPCChase, Dundy, Frontier, Hayes, Hitchcock, Lincoln and 1 more61 min
Jun 29, 4:36 PM MDTMesoscale DiscussionSPCBurt, Cass, Cedar, Cuming, Dakota, Dixon and 6 more114 min

Nearby

Severe Thunderstorm Watches in Kansas, 2016Severe Thunderstorm Watches in Nebraska, 2016Severe Thunderstorm Watches in Colorado, 2016Every severe thunderstorm 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.