Alert archive / Kansas / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 45, NWS Topeka, KS

April 13, 19914 counties in Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Apr 13, 1991, 12:34 AM CDT for 4 counties in Kansas. It was in force for 41 min.

The area

The counties it named.

The facts

Issued: Apr 13, 1991, 12:34 AM CDT (05:34 UTC)
Expired: Apr 13, 1991, 1:15 AM CDT
In force: 41 min
Issued by: NWS Topeka, KS
Area: Whole counties

Counties Jackson County, KS, Pottawatomie County, KS, Shawnee County, KS, Wabaunsee County, KS

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 5.6 hours before the alert went out and 40 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: 392 J/kg
Mixed-layer CIN: -136 J/kg
Mixed-layer LCL: 1502 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 98 m²/s²
0-3 km storm-relative helicity: 219 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.5

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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.

In the hours before

Special weather statement, Apr 12, 11:14 PM CDT, 1 hour 20 minutes before

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Special weather statement, Apr 12, 11:34 PM CDT, 1 hour before

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Special weather statement, Apr 12, 11:48 PM CDT, 46 minutes before

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Special weather statement, Apr 12, 11:48 PM CDT, 46 minutes before

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Special weather statement, Apr 12, 11:59 PM CDT, 35 minutes before

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Special weather statement, Apr 13, 12:27 AM CDT, 7 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 12, 7:16 PM CDT	Severe Thunderstorm Warning	TOP	Mitchell	44 min
Apr 12, 7:30 PM CDT	Tornado Warning	TOP	Clay	30 min
Apr 12, 7:48 PM CDT	Tornado Warning	TOP	Washington	42 min
Apr 12, 8:30 PM CDT	Severe Thunderstorm Warning	TOP	Washington	40 min
Apr 12, 9:36 PM CDT	Severe Thunderstorm Warning	TOP	Marshall	54 min
Apr 12, 9:56 PM CDT	Severe Thunderstorm Warning	TOP	McPherson	49 min
Apr 12, 10:17 PM CDT	Severe Thunderstorm Warning	TOP	Riley	58 min
Apr 12, 10:20 PM CDT	Flash Flood Warning	TOP	Washington	6 hr
Apr 12, 10:41 PM CDT	Severe Thunderstorm Warning	TOP	McPherson	49 min
Apr 12, 11:04 PM CDT	Severe Thunderstorm Warning	TOP	Dickinson	41 min

Nearby

Severe Thunderstorm Warnings in Kansas, 1991 Every severe thunderstorm warning in 1991

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.