Alert archive / Colorado / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 231, NWS Goodland, KS

August 15, 2020Kit Carson County, Colorado

NWS Goodland, KS issued this severe thunderstorm warning at Aug 15, 2020, 6:43 PM MDT for Kit Carson County, Colorado. It was in force for 47 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 15, 2020, 6:43 PM MDT (00:43 UTC)
Expired: Aug 15, 2020, 7:30 PM MDT
In force: 47 min
Issued by: NWS Goodland, KS
Area: Storm-based polygon
Hail: 1.75 in
Wind: 60.0 mph

County Kit Carson County, CO

The radar

The Goodland radar (KGLD), 78 km from the middle of the area, began a volume at 00:43 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

Denver, CO (KDNR), launched 00:00Z, 0.7 hours before the alert went out and 83 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: 76 J/kg
Mixed-layer CIN: -105 J/kg
Mixed-layer LCL: 3509 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 1 m²/s²
0-3 km storm-relative helicity: 46 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 15, 5:19 PM MDT, 1 hour 24 minutes earlier.

Area forecast discussion, Aug 15, 5:19 PM MDT, 1 hour 24 minutes before

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Hazardous weather outlook, Aug 15, 5:28 PM MDT, 1 hour 15 minutes before

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In the hours before

Local storm report, Aug 15, 6:26 PM MDT, 17 minutes before

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Local storm report, Aug 15, 6:34 PM MDT, 9 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 16, 2:32 PM MDT	Severe Thunderstorm Warning	GLD	Decatur, Norton, Rawlins	58 min
Aug 16, 3:20 PM MDT	Severe Thunderstorm Warning	GLD	Cheyenne, Decatur, Rawlins	55 min
Aug 16, 4:04 PM MDT	Severe Thunderstorm Warning	GLD	Cheyenne, Decatur, Norton, Rawlins	56 min
Aug 16, 4:54 PM MDT	Severe Thunderstorm Warning	GLD	Cheyenne, Decatur, Graham, Norton, Rawlins, Sheridan and 2 more	96 min
Aug 15, 6:04 PM MDT	Severe Thunderstorm Warning	GLD	Kit Carson	41 min
Aug 15, 7:28 PM MDT	Special Weather Statement	GLD	Kit Carson	17 min
Aug 15, 7:45 PM MDT	Special Weather Statement	GLD	Kit Carson	15 min
Aug 16, 2:12 PM MDT	Severe Thunderstorm Warning	GLD	Kit Carson, Yuma	48 min
Aug 16, 2:56 PM MDT	Severe Thunderstorm Warning	GLD	Kit Carson, Yuma	64 min
Aug 16, 3:18 PM MDT	Severe Thunderstorm Warning	GLD	Cheyenne	42 min
Aug 16, 3:34 PM MDT	Severe Thunderstorm Warning	GLD	Kit Carson	41 min
Aug 16, 3:40 PM MDT	Severe Thunderstorm Warning	GLD	Cheyenne	50 min
Aug 16, 4:00 PM MDT	Severe Thunderstorm Warning	GLD	Cheyenne, Kit Carson	60 min
Aug 16, 4:14 PM MDT	Special Weather Statement	GLD	Yuma	16 min
Aug 16, 4:28 PM MDT	Severe Thunderstorm Warning	GLD	Yuma	32 min
Aug 16, 2:06 PM MDT	Severe Thunderstorm Warning	GLD	Dundy, Hitchcock	39 min

Nearby

Severe Thunderstorm Warnings in Colorado, 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.