Alert archive / Kansas / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 27, NWS Kansas City, MO

April 21, 2022Linn County, Kansas

NWS Kansas City, MO issued this severe thunderstorm warning at Apr 21, 2022, 2:03 PM CDT for Linn County, Kansas. It was in force for 42 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: Apr 21, 2022, 2:03 PM CDT (19:03 UTC)
Expired: Apr 21, 2022, 2:45 PM CDT
In force: 42 min
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

County Linn County, KS

The radar

The Pleasant Hill radar (KEAX), 83 km from the middle of the area, began a volume at 19:05 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

Topeka, KS (KTOP), launched 12:00Z, 7.1 hours before the alert went out and 112 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1459 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: -46 m²/s²
0-3 km storm-relative helicity: -121 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 Kansas City, MO wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 21, 1:03 PM CDT, 1 hour earlier.

Area forecast discussion, Apr 21, 1:03 PM CDT, 1 hour before

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Hazardous weather outlook, Apr 21, 4:18 AM CDT, 9 hours 45 minutes before

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In the hours before

Special weather statement, Apr 21, 1:44 PM CDT, 19 minutes before

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The office that day

Everything else NWS Kansas City, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 20, 11:21 PM CDT	Dense Fog Advisory	EAX	Adair, Andrew, Atchison, Bates, Buchanan, Caldwell and 31 more	135 days
Apr 21, 2:58 PM CDT	Special Weather Statement	EAX	Bates	47 min
Apr 21, 3:39 PM CDT	Special Weather Statement	EAX	Bates	36 min
Apr 21, 5:30 PM CDT	Special Weather Statement	EAX	Jackson	30 min
Apr 21, 1:44 PM CDT	Special Weather Statement	EAX	Linn	46 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2022 Every severe thunderstorm warning in 2022

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.