Alert archive / Kansas / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 366, NWS Goodland, KS

August 25, 2023Graham County, Norton County, Kansas

NWS Goodland, KS issued this severe thunderstorm warning at Aug 25, 2023, 6:45 PM CDT for Graham County, Norton County, Kansas. It was in force for 60 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 25, 2023, 6:45 PM CDT (23:45 UTC)
Expired: Aug 25, 2023, 7:45 PM CDT
In force: 60 min
Issued by: NWS Goodland, KS
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Graham County, KS, Norton County, KS

The radar

The Grand Island radar (KUEX), 149 km from the middle of the area, began a volume at 23:47 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 12:00Z, 11.8 hours before the alert went out and 184 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: 732 J/kg
Mixed-layer CIN: -264 J/kg
Mixed-layer LCL: 1511 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 55 m²/s²
0-3 km storm-relative helicity: -19 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 25, 6:40 PM CDT, 5 minutes earlier.

Area forecast discussion, Aug 25, 6:40 PM CDT, 5 minutes before

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Hazardous weather outlook, Aug 25, 12:35 PM CDT, 6 hours 10 minutes before

Hazardous Weather Outlook
National Weather Service Goodland KS
1135 AM MDT Fri Aug 25 2023

COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-261745-
Yuma-Kit Carson-Cheyenne-Rawlins-Decatur-Norton-Sherman-Thomas-
Sheridan-Graham-Wallace-Logan-Gove-Greeley-Wichita-Dundy-Hitchcock-
Red Willow-
1135 AM MDT Fri Aug 25 2023 /1235 PM CDT Fri Aug 25 2023/

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

.DAY ONE...TODAY AND TONIGHT...

Showers and thunderstorms are expected across the region beginning
this afternoon and continuing through the night. Much of the area is
under a Marginal risk of severe weather this afternoon into the
evening  with large hail up to one inch and damaging wind gusts up
to 60 mph the primary hazards.

Localized flash flooding or flooding of poor drainage and low lying
areas is also possible with showers and thunderstorms this afternoon
and going through the night as the entire region sees a Marginal to
Slight Risk for excessive rainfall today. A Flood Watch is in effect
beginning this afternoon for counties that are along and west of
Kansas Highway 27 as well as along and north of Interstate 70.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH FRIDAY...

A Flood Watch continues through Saturday morning for northwestern
portions of the Tri-State Area with chances for showers and
thunderstorms expected to continue for the entire Tri-State Area
throughout the day.

Daytime high temperatures on Saturday are expected to be
dramatically cooler ranging between the upper 60s to upper 70s.

Shower and thunderstorm chances are seen within the region on Sunday
and Monday. Please watch for future forecast updates.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed. Please send any severe weather
reports you have to NWS Goodland.

In the hours before

Special weather statement, Aug 25, 6:12 PM CDT, 33 minutes before

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Local storm report, Aug 25, 6:17 PM CDT, 28 minutes before

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Local storm report, Aug 25, 6:21 PM CDT, 24 minutes before

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Local storm report, Aug 25, 6:25 PM CDT, 20 minutes before

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Special weather statement, Aug 25, 6:40 PM CDT, 5 minutes before

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Local storm report, Aug 25, 6:43 PM CDT, 2 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 25, 2:31 AM CDT	Flood Watch	GLD	Cheyenne, Sherman	18 hr
Aug 25, 3:32 PM CDT	Special Weather Statement	GLD	Rawlins	28 min
Aug 25, 3:59 PM CDT	Special Weather Statement	GLD	Rawlins	31 min
Aug 25, 4:25 PM CDT	Special Weather Statement	GLD	Decatur	35 min
Aug 25, 4:36 PM CDT	Special Weather Statement	GLD	Rawlins	24 min
Aug 25, 4:59 PM CDT	Special Weather Statement	GLD	Sherman, Thomas	31 min
Aug 25, 5:01 PM CDT	Special Weather Statement	GLD	Decatur	29 min
Aug 25, 5:09 PM CDT	Severe Thunderstorm Warning Considerable damage threat	GLD	Decatur	66 min
Aug 25, 5:12 PM CDT	Special Weather Statement	GLD	Norton	33 min
Aug 25, 5:24 PM CDT	Severe Thunderstorm Warning	GLD	Decatur, Norton	66 min
Aug 25, 5:40 PM CDT	Special Weather Statement	GLD	Graham	20 min
Aug 25, 5:44 PM CDT	Areal Flood Warning	GLD	Decatur	3 hr
Aug 25, 5:49 PM CDT	Special Weather Statement	GLD	Sheridan	26 min
Aug 25, 6:01 PM CDT	Special Weather Statement	GLD	Norton	29 min
Aug 25, 6:10 PM CDT	Special Weather Statement	GLD	Greeley	35 min
Aug 25, 6:12 PM CDT	Special Weather Statement	GLD	Graham, Sheridan	33 min
Aug 25, 6:28 PM CDT	Severe Thunderstorm Warning Considerable damage threat	GLD	Norton	62 min
Aug 25, 6:30 PM CDT	Flash Flood Warning	GLD	Norton	3 hr
Aug 25, 6:40 PM CDT	Special Weather Statement	GLD	Greeley	35 min
Aug 25, 6:47 PM CDT	Special Weather Statement	GLD	Gove	28 min
Aug 25, 5:25 PM CDT	Special Weather Statement	GLD	Cheyenne	35 min
Aug 25, 2:54 PM CDT	Special Weather Statement	GLD	Hitchcock	36 min
Aug 25, 3:08 PM CDT	Severe Thunderstorm Warning	GLD	Hitchcock	52 min
Aug 25, 3:33 PM CDT	Special Weather Statement	GLD	Hitchcock	27 min
Aug 25, 3:58 PM CDT	Special Weather Statement	GLD	Hitchcock	32 min
Aug 25, 4:28 PM CDT	Special Weather Statement	GLD	Red Willow	32 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2023 Every 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.