Alert archive / Kansas / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 322, NWS Goodland, KS

August 7, 2023Cheyenne County, Sherman County, Kansas; Kit Carson County, Yuma County, Colorado

NWS Goodland, KS issued this severe thunderstorm warning at Aug 7, 2023, 5:14 PM CDT for Cheyenne County, Sherman County, Kansas; Kit Carson County, Yuma County, Colorado. It was in force for 46 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 7, 2023, 5:14 PM CDT (22:14 UTC)
Expired
Aug 7, 2023, 6:00 PM CDT
In force
46 min
Issued by
NWS Goodland, KS
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

Counties Kit Carson County, CO, Yuma County, CO, Cheyenne County, KS, Sherman County, KS

The radar

The Goodland radar (KGLD), 45 km from the middle of the area, began a volume at 22:15 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Aug 7, 3:03 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 10.2 hours before the alert went out and 212 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 12:00Z on 2023-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2023-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -18 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1020 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
-18 m²/s²
0-3 km storm-relative helicity
54 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Goodland, KS wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 7, 5:13 PM CDT, 1 minute earlier.

Area forecast discussion, Aug 7, 5:13 PM CDT, 1 minute before
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Hazardous weather outlook, Aug 7, 3:23 PM CDT, 1 hour 51 minutes before
Hazardous Weather Outlook
National Weather Service Goodland KS
223 PM MDT Mon Aug 7 2023

COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-082030-
Yuma-Kit Carson-Cheyenne-Rawlins-Decatur-Norton-Sherman-Thomas-
Sheridan-Graham-Wallace-Logan-Gove-Greeley-Wichita-Dundy-Hitchcock-
Red Willow-
223 PM MDT Mon Aug 7 2023 /323 PM CDT Mon Aug 7 2023/

This hazardous weather outlook is for extreme southwest Nebraska...
northwest Kansas and east central Colorado.

.DAY ONE...THIS AFTERNOON AND TONIGHT...

Severe thunderstorms are expected today across much of the area with
destructive hail around the size of a tennis ball, wind gusts to 70
mph and a tornado or two possible. Storms will develop across
eastern Colorado around 3 PM MDT (4 PM CDT) and move east through
the evening hours. Locally heavy rain is also possible as storms
merge into a larger complex tonight.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH MONDAY...

For Tuesday, another round of potentially strong to severe storms
will impact the area, mainly during the afternoon and evening hours.
Hazards include large hail, damaging winds and locally heavy
rainfall. There is also a threat for tornadoes along and west of
Highway 83, and along and north of Interstate 70.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed beginning around 3 PM MDT (4 PM
CDT). Spotters are encouraged to send any storm reports they have
from tonight to NWS Goodland.

In the hours before

Local storm report, Aug 7, 4:49 PM CDT, 25 minutes before
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Local storm report, Aug 7, 4:51 PM CDT, 23 minutes before
Preliminary Local Storm Report
National Weather Service Goodland KS
351 PM MDT Mon Aug 7 2023

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0315 PM     Hail             6 SE Palisade           40.30N 101.02W
08/07/2023  E2.75 inch       Hitchcock          NE   Public

            Delayed report of golf ball to baseball
            sized hail a the junction of Highways 6 and
            25.

&&

KMK
Local storm report, Aug 7, 4:53 PM CDT, 21 minutes before
Preliminary Local Storm Report
National Weather Service Goodland KS
353 PM MDT Mon Aug 7 2023

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0340 PM     Rain             Benkelman               40.05N 101.53W
08/07/2023  M1.50 inch       Dundy              NE   Public

            Reported via social media. Rain so far.

&&

KMK
Special weather statement, Aug 7, 4:56 PM CDT, 18 minutes before
Special Weather Statement
National Weather Service Goodland KS
356 PM MDT Mon Aug 7 2023

COZ091-072230-
Kit Carson County CO-
356 PM MDT Mon Aug 7 2023

...A strong thunderstorm will impact portions of northeastern Kit
Carson County through 430 PM MDT...

At 356 PM MDT, Doppler radar was tracking a strong thunderstorm 12
miles southwest of Bonny Reservoir, moving east at 35 mph.

HAZARD...Wind gusts up to 50 mph and penny size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

This storm will remain over mainly rural areas of northeastern Kit
Carson County.

This includes the following highways...
 Interstate 70 in Colorado between mile markers 449 and 450.
 Highway 385 between mile markers 193 and 206, and near mile marker
211.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
office in Goodland.

A Severe Thunderstorm Watch remains in effect until 900 PM MDT for
east central Colorado.

&&

LAT...LON 3957 10252 3956 10205 3932 10205 3943 10254
TIME...MOT...LOC 2156Z 281DEG 31KT 3951 10237

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...50 MPH

Trigg
Local storm report, Aug 7, 4:59 PM CDT, 15 minutes before
Preliminary Local Storm Report
National Weather Service Goodland KS
359 PM MDT Mon Aug 7 2023

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0347 PM     Hail             5 SE Mcdonald           39.74N 101.30W
08/07/2023  E1.00 inch       Rawlins            KS   Trained Spotter

            Spotter reported ongoing dime to quarter
            sized hail that has been falling for 10
            minutes as of 3:57 PM MT.

&&

KMK
Special weather statement, Aug 7, 5:10 PM CDT, 4 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 7, 3:46 PM CDTSpecial Weather StatementGLDCheyenne29 min
Aug 7, 3:57 PM CDTSevere Thunderstorm WarningGLDCheyenne, Rawlins48 min
Aug 7, 4:12 PM CDTSevere Thunderstorm WarningGLDCheyenne, Rawlins48 min
Aug 7, 4:29 PM CDTSevere Thunderstorm WarningGLDCheyenne20 min
Aug 7, 4:39 PM CDTSevere Thunderstorm WarningGLDCheyenne, Rawlins48 min
Aug 7, 4:56 PM CDTSevere Thunderstorm Warning Considerable damage threatGLDCheyenne, Rawlins, Thomas64 min
Aug 7, 5:08 PM CDTSevere Thunderstorm WarningGLDCheyenne, Rawlins37 min
Aug 7, 5:39 PM CDTSevere Thunderstorm Warning Destructive damage threatGLDRawlins, Thomas51 min
Aug 7, 5:42 PM CDTSevere Thunderstorm WarningGLDCheyenne, Rawlins, Sherman, Thomas63 min
Aug 7, 5:46 PM CDTSevere Thunderstorm Warning Considerable damage threatGLDCheyenne59 min
Aug 7, 6:01 PM CDTFlash Flood WarningGLDCheyenne, Rawlins3 hr
Aug 7, 6:02 PM CDTSpecial Weather StatementGLDSherman28 min
Aug 7, 6:10 PM CDTSpecial Weather StatementGLDSherman20 min
Aug 7, 6:17 PM CDTSevere Thunderstorm Warning Considerable damage threatGLDGove, Logan, Sheridan, Thomas58 min
Aug 7, 6:20 PM CDTSevere Thunderstorm WarningGLDCheyenne, Sherman55 min
Aug 7, 6:23 PM CDTSevere Thunderstorm WarningGLDDecatur, Norton37 min
Aug 7, 6:26 PM CDTDust Storm WarningGLDSherman, Thomas49 min
Aug 7, 6:32 PM CDTSevere Thunderstorm Warning Considerable damage threatGLDThomas42 min
Aug 7, 6:41 PM CDTSpecial Weather StatementGLDCheyenne, Rawlins19 min
Aug 7, 12:38 AM CDTSpecial Weather StatementGLDCheyenne37 min
Aug 7, 4:55 PM CDTSevere Thunderstorm WarningGLDYuma65 min
Aug 7, 4:56 PM CDTSpecial Weather StatementGLDKit Carson34 min
Aug 7, 5:10 PM CDTSpecial Weather StatementGLDYuma35 min
Aug 7, 5:21 PM CDTSevere Thunderstorm WarningGLDYuma54 min
Aug 7, 3:00 PM CDTSpecial Weather StatementGLDDundy30 min
Aug 7, 3:31 PM CDTSpecial Weather StatementGLDDundy14 min
Aug 7, 3:40 PM CDTSpecial Weather StatementGLDDundy20 min
Aug 7, 3:50 PM CDTSevere Thunderstorm WarningGLDHitchcock25 min
Aug 7, 4:16 PM CDTSevere Thunderstorm WarningGLDHitchcock29 min
Aug 7, 5:25 PM CDTSevere Thunderstorm WarningGLDRed Willow65 min
Aug 7, 6:38 PM CDTSpecial Weather StatementGLDHitchcock22 min
Aug 7, 6:59 PM CDTSpecial Weather StatementGLDHitchcock31 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2023Severe Thunderstorm Warnings in Colorado, 2023Every severe thunderstorm warning in 2023

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.