Alert archive / Kansas / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 219, NWS Goodland, KS

August 9, 2020Greeley County, Wichita County, Kansas

NWS Goodland, KS issued this severe thunderstorm warning at Aug 9, 2020, 6:56 PM MDT for Greeley County, Wichita County, Kansas. It was in force for 40 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 9, 2020, 6:56 PM MDT (00:56 UTC)
Expired: Aug 9, 2020, 7:36 PM MDT
In force: 40 min
Issued by: NWS Goodland, KS
Area: Storm-based polygon
Hail: 1.0 in
Wind: 70.0 mph

Counties Greeley County, KS, Wichita County, KS

The radar

The Goodland radar (KGLD), 99 km from the middle of the area, began a volume at 00:56 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

Dodge City, (KDDC), launched 00:00Z, 0.9 hours before the alert went out and 167 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: 1448 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 2828 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 8 m²/s²
0-3 km storm-relative helicity: 107 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.8

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 9, 5:52 PM MDT, 1 hour 4 minutes earlier.

Area forecast discussion, Aug 9, 5:52 PM MDT, 1 hour 4 minutes before

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Hazardous weather outlook, Aug 9, 2:30 PM MDT, 4 hours 26 minutes before

Hazardous Weather Outlook
National Weather Service Goodland KS
230 PM MDT Sun Aug 9 2020

COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-101200-
Yuma County-Kit Carson County-Cheyenne County-Cheyenne-Rawlins-
Decatur-Norton-Sherman-Thomas-Sheridan-Graham-Wallace-Logan-Gove-
Greeley-Wichita-Dundy-Hitchcock-Red Willow-
230 PM MDT Sun Aug 9 2020 /330 PM CDT Sun Aug 9 2020/

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

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

Heat index values of 100 to 103 degrees are expected this afternoon
along and east of a line from Trenton to Colby and Leoti.

Scattered strong to severe thunderstorms are expected along and east
of a line from Wray to Kit Carson Colorado through 9 PM MDT (10 PM
CDT). The primary threats with any storms will be wind gusts to 70
mph, hail up to the size of golf balls, and a brief period of locally
heavy rainfall which could create flash flooding.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SUNDAY...

There is a Marginal Risk of severe thunderstorms along the Colorado
Kansas border area Tuesday afternoon and evening.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

In the hours before

Special weather statement, Aug 9, 5:33 PM MDT, 1 hour 23 minutes before

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Special weather statement, Aug 9, 5:41 PM MDT, 1 hour 15 minutes before

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Local storm report, Aug 9, 5:50 PM MDT, 1 hour 6 minutes before

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Local storm report, Aug 9, 6:26 PM MDT, 30 minutes before

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Local storm report, Aug 9, 6:31 PM MDT, 25 minutes before

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Special weather statement, Aug 9, 6:36 PM MDT, 20 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 9, 6:20 PM MDT	Severe Thunderstorm Warning	GLD	Gove, Logan, Sheridan, Thomas, Wallace	71 min
Aug 9, 7:34 PM MDT	Special Weather Statement	GLD	Logan	56 min
Aug 10, 7:38 AM MDT	Special Weather Statement	GLD	Sherman, Thomas	52 min
Aug 10, 8:47 AM MDT	Special Weather Statement	GLD	Sherman	13 min
Aug 10, 9:18 AM MDT	Special Weather Statement	GLD	Sherman	42 min
Aug 10, 10:06 AM MDT	Special Weather Statement	GLD	Sherman	24 min
Aug 10, 10:22 AM MDT	Special Weather Statement	GLD	Thomas	23 min
Aug 10, 10:39 AM MDT	Special Weather Statement	GLD	Logan	36 min
Aug 10, 10:55 AM MDT	Severe Thunderstorm Warning	GLD	Logan, Thomas, Wallace	65 min
Aug 10, 11:22 AM MDT	Special Weather Statement	GLD	Sherman	23 min
Aug 10, 12:17 PM MDT	Special Weather Statement	GLD	Logan, Thomas	43 min
Aug 9, 6:36 PM MDT	Special Weather Statement	GLD	Red Willow	69 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2020 Every severe thunderstorm warning in 2020

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.