Alert archive / Kansas / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 335, NWS Goodland, KS

September 9, 2025Sherman County, Wallace County, Kansas; Kit Carson County, Colorado

NWS Goodland, KS issued this severe thunderstorm warning at Sep 9, 2025, 4:42 PM MDT for Sherman County, Wallace County, Kansas; Kit Carson County, Colorado. It was in force for 63 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: Sep 9, 2025, 4:42 PM MDT (22:42 UTC)
Expired: Sep 9, 2025, 5:45 PM MDT
In force: 63 min
Issued by: NWS Goodland, KS
Area: Storm-based polygon
Damage threat: Considerable
Hail: 1.75 in
Wind: 60.0 mph

Counties Kit Carson County, CO, Sherman County, KS, Wallace County, KS

The radar

The Goodland radar (KGLD), 34 km from the middle of the area, began a volume at 22:42 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.

Issued	Product	Office	Lasted
Sep 9, 2:52 PM MDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Dodge City, (KDDC), launched 12:00Z, 10.7 hours before the alert went out and 244 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 808 J/kg
Mixed-layer CIN: -273 J/kg
Mixed-layer LCL: 1512 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 54 m²/s²
0-3 km storm-relative helicity: 57 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.2

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 Sep 9, 12:30 PM MDT, 4 hours 12 minutes earlier.

Area forecast discussion, Sep 9, 12:30 PM MDT, 4 hours 12 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Hazardous weather outlook, Sep 9, 2:55 PM MDT, 1 hour 47 minutes before

Hazardous Weather Outlook
National Weather Service Goodland KS
255 PM MDT Tue Sep 9 2025

COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-102100-
Yuma-Kit Carson-Cheyenne-Rawlins-Decatur-Norton-Sherman-Thomas-
Sheridan-Graham-Wallace-Logan-Gove-Greeley-Wichita-Dundy-Hitchcock-
Red Willow-
255 PM MDT Tue Sep 9 2025 /355 PM CDT Tue Sep 9 2025/

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

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

A Severe Thunderstorm Watch has been issued until 9 PM MT. Hail
around one to one and a half inches is the main threat, though hail
up to 3 inches could occur. Wind gusts of 60 to 70 mph are also
possible. Two waves of storms are forecast, starting in the early
afternoon lasting into the night.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH TUESDAY...

Patchy to locally dense fog may form Wednesday morning where it
occurred Tuesday morning. Travel may become hazardous.

There are low chances for severe storms daily through at least
Saturday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be required.

In the hours before

Local storm report, Sep 9, 4:06 PM MDT, 36 minutes before

Preliminary Local Storm Report
National Weather Service Goodland KS
406 PM MDT Tue Sep 9 2025

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

0359 PM     Hail             Burlington              39.31N 102.27W
09/09/2025  M1.00 Inch       Kit Carson         CO   Public

&&

CG

Local storm report, Sep 9, 4:07 PM MDT, 35 minutes before

Preliminary Local Storm Report
National Weather Service Goodland KS
407 PM MDT Tue Sep 9 2025

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

0403 PM     Hail             1 WSW Burlington        39.30N 102.28W
09/09/2025  E1.00 Inch       Kit Carson         CO   Trained Spotter

            Quarter sized hail reported in town.

&&

KMK

Local storm report, Sep 9, 4:17 PM MDT, 25 minutes before

Preliminary Local Storm Report
National Weather Service Goodland KS
417 PM MDT Tue Sep 9 2025

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

0412 PM     Hail             Burlington              39.30N 102.28W
09/09/2025  E1.00 Inch       Kit Carson         CO   Trained Spotter

            Hail began at 3:30 pm with up to quarter
            sized hail accumulating up to a few inches
            in depth. As of report time, ongoing hail up
            to 0.75 inches was falling and smaller.

&&

KMK

Local storm report, Sep 9, 4:29 PM MDT, 13 minutes before

Preliminary Local Storm Report
National Weather Service Goodland KS
429 PM MDT Tue Sep 9 2025

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

0345 PM     Hail             Burlington              39.30N 102.28W
09/09/2025  E1.75 Inch       Kit Carson         CO   Trained Spotter

            Estimated quarter to golf ball sized hail
            that was accumulating. Time estimated based
            on radar.

&&

KMK

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 9, 3:08 AM MDT	Dense Fog Advisory	GLD	Decatur, Graham, Norton	6 hr
Sep 9, 3:54 PM MDT	Severe Thunderstorm Warning Considerable damage threat	GLD	Sherman	51 min
Sep 9, 5:21 PM MDT	Severe Thunderstorm Warning	GLD	Sherman, Wallace	54 min
Sep 9, 3:27 PM MDT	Severe Thunderstorm Warning	GLD	Kit Carson, Yuma	63 min
Sep 9, 4:23 PM MDT	Areal Flood Advisory	GLD	Kit Carson	3 hr
Sep 9, 5:53 PM MDT	Severe Thunderstorm Warning	GLD	Kit Carson, Yuma	67 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2025 Severe Thunderstorm Warnings in Colorado, 2025 Every severe thunderstorm warning in 2025

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.