Alert archive / Kansas / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 155, NWS Topeka, KS

June 21, 20194 counties in Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Jun 21, 2019, 6:27 AM CDT for 4 counties in Kansas. It was in force for 63 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: Jun 21, 2019, 6:27 AM CDT (11:27 UTC)
Expired: Jun 21, 2019, 7:30 AM CDT
In force: 63 min
Issued by: NWS Topeka, KS
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Clay County, KS, Cloud County, KS, Republic County, KS, Washington County, KS

The radar

The Grand Island radar (KUEX), 120 km from the middle of the area, began a volume at 11:26 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 20, 9:44 PM CDT	Severe Thunderstorm Watch	SPC	9 hr
Jun 21, 2:39 AM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 11.5 hours before the alert went out and 165 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: 2922 J/kg
Mixed-layer CIN: -105 J/kg
Mixed-layer LCL: 1557 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 89 m²/s²
0-3 km storm-relative helicity: 149 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 13.1

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 Topeka, KS wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 21, 3:42 AM CDT, 2 hours 45 minutes earlier.

Area forecast discussion, Jun 21, 3:42 AM CDT, 2 hours 45 minutes before

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Hazardous weather outlook, Jun 21, 5:20 AM CDT, 1 hour 7 minutes before

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In the hours before

Special weather statement, Jun 21, 5:10 AM CDT, 1 hour 17 minutes before

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Special weather statement, Jun 21, 5:50 AM CDT, 37 minutes before

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Special weather statement, Jun 21, 6:16 AM CDT, 11 minutes before

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Local storm report, Jun 21, 6:20 AM CDT, 7 minutes before

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Special weather statement, Jun 21, 6:20 AM CDT, 7 minutes before

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Local storm report, Jun 21, 6:23 AM CDT, 4 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
Jun 20, 7:43 PM CDT	Severe Thunderstorm Warning	TOP	Brown, Jackson, Nemaha	47 min
Jun 20, 8:06 PM CDT	Special Weather Statement	TOP	Nemaha	24 min
Jun 20, 8:26 PM CDT	Severe Thunderstorm Warning	TOP	Brown, Jackson, Nemaha	32 min
Jun 21, 1:25 AM CDT	Special Weather Statement	TOP	Republic	65 min
Jun 21, 1:47 AM CDT	Severe Thunderstorm Warning	TOP	Republic	58 min
Jun 21, 2:24 AM CDT	Special Weather Statement	TOP	Washington	66 min
Jun 21, 2:26 AM CDT	Special Weather Statement	TOP	Cloud	64 min
Jun 21, 3:01 AM CDT	Special Weather Statement	TOP	Marshall	59 min
Jun 21, 3:20 AM CDT	Special Weather Statement	TOP	Clay, Ottawa	55 min
Jun 21, 3:34 AM CDT	Severe Thunderstorm Warning	TOP	Clay, Cloud, Ottawa	56 min
Jun 21, 3:50 AM CDT	Special Weather Statement	TOP	Nemaha	55 min
Jun 21, 4:01 AM CDT	Special Weather Statement	TOP	Pottawatomie, Riley	59 min
Jun 21, 4:24 AM CDT	Special Weather Statement	TOP	Clay	51 min
Jun 21, 4:30 AM CDT	Severe Thunderstorm Warning	TOP	Clay, Riley	30 min
Jun 21, 4:39 AM CDT	Special Weather Statement	TOP	Brown, Jackson	66 min
Jun 21, 4:46 AM CDT	Areal Flood Advisory	TOP	Clay, Cloud, Marshall, Pottawatomie, Republic, Riley and 1 more	3 hr
Jun 21, 5:10 AM CDT	Special Weather Statement	TOP	Jefferson, Shawnee, Wabaunsee	65 min
Jun 21, 5:45 AM CDT	Severe Thunderstorm Warning	TOP	Cloud, Republic	60 min
Jun 21, 5:50 AM CDT	Special Weather Statement	TOP	Jackson, Pottawatomie	40 min
Jun 21, 6:16 AM CDT	Special Weather Statement	TOP	Douglas, Shawnee	59 min
Jun 21, 6:20 AM CDT	Special Weather Statement	TOP	Jackson, Jefferson	55 min
Jun 21, 6:50 AM CDT	Special Weather Statement	TOP	Clay, Cloud, Ottawa	40 min
Jun 21, 7:02 AM CDT	Severe Thunderstorm Warning	TOP	Marshall, Washington	43 min
Jun 21, 7:04 AM CDT	Special Weather Statement	TOP	Clay	41 min
Jun 21, 7:18 AM CDT	Special Weather Statement	TOP	Dickinson, Geary	57 min
Jun 21, 7:44 AM CDT	Special Weather Statement	TOP	Marshall, Nemaha, Pottawatomie, Riley	61 min
Jun 21, 7:48 AM CDT	Severe Thunderstorm Warning	TOP	Clay, Dickinson, Geary, Pottawatomie, Riley, Wabaunsee	42 min
Jun 21, 8:12 AM CDT	Special Weather Statement	TOP	Brown, Nemaha	63 min
Jun 21, 8:22 AM CDT	Severe Thunderstorm Warning	TOP	Brown, Geary, Jackson, Nemaha, Pottawatomie, Riley and 2 more	38 min
Jun 21, 8:33 AM CDT	Special Weather Statement	TOP	Morris	27 min
Jun 21, 8:43 AM CDT	Severe Thunderstorm Warning	TOP	Coffey, Douglas, Franklin, Jackson, Jefferson, Lyon and 4 more	47 min
Jun 21, 9:26 AM CDT	Severe Thunderstorm Warning	TOP	Anderson, Coffey, Douglas, Franklin, Jefferson, Lyon and 2 more	49 min
Jun 21, 9:39 AM CDT	Special Weather Statement	TOP	Coffey	36 min
Jun 21, 10:13 AM CDT	Special Weather Statement	TOP	Anderson, Coffey, Franklin	47 min
Jun 21, 11:01 AM CDT	Severe Thunderstorm Warning	TOP	Anderson, Franklin	44 min
Jun 21, 11:05 AM CDT	River Flood Warning	TOP	Clay	10 days
Jun 21, 11:39 AM CDT	Special Weather Statement	TOP	Anderson	36 min
Jun 21, 6:34 PM CDT	Special Weather Statement	TOP	Nemaha	26 min
Jun 21, 6:52 PM CDT	Severe Thunderstorm Warning	TOP	Marshall, Nemaha	38 min
Jun 21, 6:59 PM CDT	Tornado Warning	TOP	Marshall, Nemaha	31 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2019 Every severe thunderstorm warning in 2019

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.