Alert archive / Kansas / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 162, NWS Topeka, KS

September 17, 2022Lyon County, Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Sep 17, 2022, 3:25 PM CDT for Lyon County, Kansas. It was in force for 35 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: Sep 17, 2022, 3:25 PM CDT (20:25 UTC)
Expired: Sep 17, 2022, 4:00 PM CDT
In force: 35 min
Issued by: NWS Topeka, KS
Area: Storm-based polygon
Damage threat: Considerable
Hail: 1.5 in
Wind: 70.0 mph

County Lyon County, KS

The radar

The Topeka radar (KTWX), 61 km from the middle of the area, began a volume at 20:26 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 nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 8.4 hours before the alert went out and 75 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: 426 J/kg
Mixed-layer CIN: -357 J/kg
Mixed-layer LCL: 1300 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 189 m²/s²
0-3 km storm-relative helicity: 212 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

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 Sep 17, 2:55 PM CDT, 30 minutes earlier.

Area forecast discussion, Sep 17, 2:55 PM CDT, 30 minutes before

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Hazardous weather outlook, Sep 17, 2:56 PM CDT, 29 minutes before

Hazardous Weather Outlook
National Weather Service Topeka KS
256 PM CDT Sat Sep 17 2022

KSZ008>012-020>024-026-034>040-054>056-058-059-182000-
Republic-Washington-Marshall-Nemaha-Brown-Cloud-Clay-Riley-
Pottawatomie-Jackson-Jefferson-Ottawa-Dickinson-Geary-Morris-
Wabaunsee-Shawnee-Douglas-Lyon-Osage-Franklin-Coffey-Anderson-
256 PM CDT Sat Sep 17 2022

This Hazardous Weather Outlook is for central Kansas, east central
Kansas, north central Kansas and northeast Kansas.

.DAY ONE...This afternoon and tonight.

Strong to severe thunderstorms are possible this afternoon and
evening. Hail up to the size of quarters and winds up to 60 mph will
be the main hazards.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

&&

More detailed information can be found at:
www.weather.gov/media/top/DssPacket.pdf

In the hours before

Special weather statement, Sep 17, 12:49 PM CDT, 2 hours 36 minutes before

Special Weather Statement
National Weather Service Topeka KS
1249 PM CDT Sat Sep 17 2022

KSZ037-171815-
Morris-
1249 PM CDT Sat Sep 17 2022

...A strong thunderstorm will impact portions of central Morris
County through 115 PM CDT...

At 1249 PM CDT, Doppler radar was tracking a strong thunderstorm near
Burdick, moving northeast at 35 mph.

HAZARD...Winds in excess of 40 mph and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Council Grove, Wilsey, Parkerville, Burdick and Council Grove Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3860 9690 3884 9664 3869 9642 3852 9676
      3852 9682
TIME...MOT...LOC 1749Z 229DEG 32KT 3859 9679

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...40 MPH

Flanagan

Local storm report, Sep 17, 1:07 PM CDT, 2 hours 18 minutes before

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Special weather statement, Sep 17, 1:24 PM CDT, 2 hours 1 minute before

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Special weather statement, Sep 17, 1:38 PM CDT, 1 hour 47 minutes before

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Special weather statement, Sep 17, 2:17 PM CDT, 1 hour 8 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
Sep 17, 3:26 AM CDT	Special Weather Statement	TOP	Republic	49 min
Sep 17, 4:05 AM CDT	Severe Thunderstorm Warning	TOP	Republic	40 min
Sep 17, 4:09 AM CDT	Special Weather Statement	TOP	Ottawa	36 min
Sep 17, 4:13 AM CDT	Special Weather Statement	TOP	Republic	17 min
Sep 17, 4:28 AM CDT	Special Weather Statement	TOP	Ottawa	47 min
Sep 17, 4:31 AM CDT	Special Weather Statement	TOP	Republic	29 min
Sep 17, 4:38 AM CDT	Special Weather Statement	TOP	Cloud	52 min
Sep 17, 5:47 AM CDT	Areal Flood Advisory	TOP	Republic	3 hr
Sep 17, 8:12 AM CDT	Areal Flood Advisory	TOP	Marshall	3 hr
Sep 17, 8:12 AM CDT	Special Weather Statement	TOP	Pottawatomie	33 min
Sep 17, 12:49 PM CDT	Special Weather Statement	TOP	Morris	26 min
Sep 17, 1:00 PM CDT	Severe Thunderstorm Warning	TOP	Morris	30 min
Sep 17, 1:24 PM CDT	Special Weather Statement	TOP	Wabaunsee	36 min
Sep 17, 1:38 PM CDT	Special Weather Statement	TOP	Morris	37 min
Sep 17, 2:17 PM CDT	Special Weather Statement	TOP	Morris	28 min
Sep 17, 2:32 PM CDT	Severe Thunderstorm Warning	TOP	Lyon, Morris	28 min
Sep 17, 2:56 PM CDT	Severe Thunderstorm Warning	TOP	Lyon, Morris	34 min
Sep 17, 3:43 PM CDT	Severe Thunderstorm Warning	TOP	Lyon	17 min
Sep 17, 3:56 PM CDT	Severe Thunderstorm Warning Considerable damage threat	TOP	Lyon	34 min
Sep 17, 4:13 PM CDT	Severe Thunderstorm Warning	TOP	Lyon	17 min
Sep 17, 4:18 PM CDT	Severe Thunderstorm Warning Considerable damage threat	TOP	Coffey, Lyon, Osage	27 min
Sep 17, 4:38 PM CDT	Severe Thunderstorm Warning Considerable damage threat	TOP	Coffey, Lyon, Osage	40 min
Sep 17, 6:11 PM CDT	Special Weather Statement	TOP	Marshall	34 min
Sep 17, 6:32 PM CDT	Severe Thunderstorm Warning	TOP	Marshall, Washington	28 min
Sep 17, 6:42 PM CDT	Special Weather Statement	TOP	Cloud	33 min
Sep 17, 6:54 PM CDT	Severe Thunderstorm Warning	TOP	Ottawa	51 min
Sep 17, 6:56 PM CDT	Severe Thunderstorm Warning	TOP	Marshall	34 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.