Alert archive / Kansas / Severe Thunderstorm Watches in 2016

Severe Thunderstorm Watch 144

May 7, 201624 counties in Kansas; 6 counties in Nebraska

The Storm Prediction Center issued this severe thunderstorm watch at May 7, 2016, 3:29 PM CDT for 24 counties in Kansas; 6 counties in Nebraska. It was in force for 9 hr.

The area

The outline as issued.

The facts

Issued
May 7, 2016, 3:29 PM CDT (20:29 UTC)
Expired
May 8, 2016, 12:00 AM CDT
In force
9 hr
Issued by
the Storm Prediction Center
Largest hail expected
2.5 in
Strongest gust expected
60 kt
All 30 counties

Cheyenne County, KS, Decatur County, KS, Finney County, KS, Gove County, KS, Graham County, KS, Grant County, KS, Gray County, KS, Greeley County, KS, Hamilton County, KS, Haskell County, KS, Kearny County, KS, Lane County, KS, Logan County, KS, Ness County, KS, Norton County, KS, Rawlins County, KS, Scott County, KS, Sheridan County, KS, Sherman County, KS, Stanton 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, Red Willow County, NE

The radar

The Goodland radar (KGLD), 39 km from the middle of the area, began a volume at 20:27 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
10%
One or more EF2 to EF5 tornadoes
2%
Ten or more severe wind reports
30%
One or more gusts of 65 knots or more
10%
Ten or more severe hail reports
50%
One or more hailstones of 2 inches or more
30%
Six or more combined severe hail and wind reports
70%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
May 7, 6:57 PM CDTSevere Thunderstorm WarningDDCFinney33 min
May 7, 7:19 PM CDTSevere Thunderstorm WarningDDCScott32 min
May 7, 7:45 PM CDTSevere Thunderstorm WarningGLDGove45 min
May 7, 7:47 PM CDTSevere Thunderstorm WarningDDCLane, Scott14 min
May 7, 8:04 PM CDTTornado WarningLBFChase26 min
May 7, 8:24 PM CDTSevere Thunderstorm WarningGLDGove, Sheridan51 min
May 7, 8:40 PM CDTSevere Thunderstorm WarningDDCLane, Scott35 min
May 7, 8:52 PM CDTSevere Thunderstorm WarningGLDGove53 min
May 7, 8:57 PM CDTSevere Thunderstorm WarningGLDDecatur, Graham, Norton39 min
May 7, 9:27 PM CDTSevere Thunderstorm WarningGLDGove, Graham, Sheridan48 min
May 7, 9:50 PM CDTSevere Thunderstorm WarningDDCFinney, Gray, Hodgeman40 min
May 7, 9:58 PM CDTSevere Thunderstorm WarningGLDDecatur, Norton47 min
May 7, 10:34 PM CDTSevere Thunderstorm WarningDDCTrego26 min
May 7, 10:36 PM CDTSevere Thunderstorm WarningGLDGraham20 min
May 7, 10:38 PM CDTSevere Thunderstorm WarningDDCEllis, Ness, Rush, Trego37 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, 8.5 hours before the alert went out and 179 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 2016-05-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 5 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 12:00Z on 2016-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -38 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
5 J/kg
Mixed-layer CIN
-219 J/kg
Mixed-layer LCL
776 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
-38 m²/s²
0-3 km storm-relative helicity
163 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 7, 12:29 PM CDTMesoscale DiscussionSPCCheyenne, Decatur, Finney, Gove, Graham, Grant and 16 more91 min
May 7, 6:37 PM CDTMesoscale DiscussionSPCCheyenne, Decatur, Finney, Gove, Grant, Greeley and 11 more83 min
May 7, 5:04 PM CDTSevere Thunderstorm WatchSPCArthur, Banner, Cheyenne, Deuel, Garden, Keith and 4 more5 hr

Nearby

Severe Thunderstorm Watches in Kansas, 2016Severe Thunderstorm Watches in Nebraska, 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.