Alert archive / Kansas / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 270, NWS Goodland, KS

August 13, 2026Greeley County, Wallace County, Wichita County, Kansas; Cheyenne County, Colorado

NWS Goodland, KS issued this severe thunderstorm warning at Aug 13, 2026, 7:01 PM MDT for Greeley County, Wallace County, Wichita County, Kansas; Cheyenne County, Colorado. It was in force for 59 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 13, 2026, 7:01 PM MDT (01:01 UTC)
Expired
Aug 13, 2026, 8:00 PM MDT
In force
59 min
Issued by
NWS Goodland, KS
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Cheyenne County, CO, Greeley County, KS, Wallace County, KS, Wichita County, KS

The radar

The Goodland radar (KGLD), 78 km from the middle of the area, began a volume at 01:02 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.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 1.0 hours before the alert went out and 294 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 2026-08-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 980 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 2026-08-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -17 square meters per square second.1939Sfc1 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
980 J/kg
Mixed-layer CIN
-44 J/kg
Mixed-layer LCL
1141 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
-17 m²/s²
0-3 km storm-relative helicity
91 m²/s²
Significant tornado parameter
0.3
Supercell composite
2.9

Open this sounding in Storm Lab

The office that day

Everything else NWS Goodland, KS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 13, 6:01 PM MDTSpecial Weather StatementGLDGreeley29 min
Aug 13, 7:57 PM MDTSevere Thunderstorm WarningGLDGreeley, Sherman, Wallace63 min
Aug 13, 9:01 PM MDTSpecial Weather StatementGLDGove29 min
Aug 13, 9:30 PM MDTSpecial Weather StatementGLDGove30 min
Aug 13, 9:37 PM MDTSpecial Weather StatementGLDGraham8 min
Aug 13, 9:47 PM MDTSpecial Weather StatementGLDGraham28 min
Aug 13, 9:58 PM MDTSpecial Weather StatementGLDDecatur, Sheridan32 min
Aug 13, 10:25 PM MDTSevere Thunderstorm WarningGLDDecatur, Graham, Norton, Sheridan35 min
Aug 13, 6:39 PM MDTSevere Thunderstorm Warning Considerable damage threatGLDCheyenne44 min
Aug 13, 10:41 PM MDTSevere Thunderstorm WarningGLDRed Willow34 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2026Severe Thunderstorm Warnings in Colorado, 2026Every severe thunderstorm warning in 2026

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.