Alert archive / Kansas / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 224, NWS Topeka, KS

August 5, 20235 counties in Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Aug 5, 2023, 11:18 PM CDT for 5 counties in Kansas. It was in force for 27 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 5, 2023, 11:18 PM CDT (04:18 UTC)
Expired
Aug 5, 2023, 11:45 PM CDT
In force
27 min
Issued by
NWS Topeka, KS
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

Counties Clay County, KS, Marshall County, KS, Pottawatomie County, KS, Riley County, KS, Washington County, KS

The radar

The Topeka radar (KTWX), 74 km from the middle of the area, began a volume at 04:21 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.

IssuedProductOfficeLasted
Aug 5, 9:06 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 4.3 hours before the alert went out and 203 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-pSkew-T log-p diagram, Omaha, NE at 00:00Z on 2023-08-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1774 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Omaha, NE at 00:00Z on 2023-08-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 103 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
1774 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
1305 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
103 m²/s²
0-3 km storm-relative helicity
177 m²/s²
Significant tornado parameter
0.5
Supercell composite
7.4

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 Aug 5, 6:45 PM CDT, 4 hours 33 minutes earlier.

Area forecast discussion, Aug 5, 6:45 PM CDT, 4 hours 33 minutes before
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Hazardous weather outlook, Aug 5, 2:49 PM CDT, 8 hours 29 minutes before
Hazardous Weather Outlook
National Weather Service Topeka KS
249 PM CDT Sat Aug 5 2023

KSZ008>012-020>024-026-034>040-054>056-058-059-062000-
Republic-Washington-Marshall-Nemaha-Brown-Cloud-Clay-Riley-
Pottawatomie-Jackson-Jefferson-Ottawa-Dickinson-Geary-Morris-
Wabaunsee-Shawnee-Douglas-Lyon-Osage-Franklin-Coffey-Anderson-
249 PM CDT Sat Aug 5 2023

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

.DAY ONE...This afternoon and tonight.

Heat index values will approach 100 degrees mainly across eastern
portions of the area this afternoon.

An isolated storm or two could pose a marginally severe wind and
hail threat across areas in central and east central Kansas this
evening, if storms develop at all.

Scattered severe storms appear possible into the overnight period
along a frontal boundary coming in from the northwest. Damaging
winds and large hail 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

Drake

In the hours before

Special weather statement, Aug 5, 9:55 PM CDT, 1 hour 23 minutes before
Special Weather Statement
National Weather Service Topeka KS
955 PM CDT Sat Aug 5 2023

KSZ008-020-060330-
Republic-Cloud-
955 PM CDT Sat Aug 5 2023

...A strong thunderstorm will impact portions of western Republic and
northwestern Cloud Counties through 1030 PM CDT...

At 955 PM CDT, Doppler radar was tracking a strong thunderstorm near
Formoso, moving east at 30 mph.

HAZARD...Wind gusts of 50 to 55 mph and half inch 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...
Belleville, Scandia, Jamestown, Courtland, Norway and Republic.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

A Severe Thunderstorm Watch remains in effect until 300 AM CDT for
north central Kansas.

&&

LAT...LON 3996 9793 3998 9758 3959 9757 3960 9793
TIME...MOT...LOC 0255Z 269DEG 26KT 3982 9802

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...55 MPH

Laflin
Special weather statement, Aug 5, 10:14 PM CDT, 1 hour 4 minutes before
Special Weather Statement
National Weather Service Topeka KS
1014 PM CDT Sat Aug 5 2023

KSZ020-060400-
Cloud-
1014 PM CDT Sat Aug 5 2023

...A strong thunderstorm will impact portions of Cloud County through
1100 PM CDT...

At 1013 PM CDT, Doppler radar was tracking a strong thunderstorm 5
miles southwest of Concordia, moving east at 40 mph.

HAZARD...Wind gusts up to 50 mph and half inch 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...
Concordia, Clyde, Jamestown and Aurora.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

A Severe Thunderstorm Watch remains in effect until 300 AM CDT for
north central Kansas.

&&

LAT...LON 3960 9793 3964 9737 3943 9737 3939 9793
TIME...MOT...LOC 0313Z 259DEG 36KT 3954 9775

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...50 MPH

Laflin
Special weather statement, Aug 5, 10:15 PM CDT, 1 hour 3 minutes before
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Special weather statement, Aug 5, 10:41 PM CDT, 37 minutes before
Special Weather Statement
National Weather Service Topeka KS
1041 PM CDT Sat Aug 5 2023

KSZ008-009-020-021-060430-
Republic-Clay-Cloud-Washington-
1041 PM CDT Sat Aug 5 2023

...Strong thunderstorms will impact portions of southeastern
Republic, northern Clay, southwestern Washington and eastern Cloud
Counties through 1130 PM CDT...

At 1040 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 4 miles southwest of Agenda to 4 miles
southeast of Aurora. Movement was northeast at 35 mph.

HAZARD...Wind gusts of 50 to 55 mph and half inch 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...
Washington, Clyde, Clifton, Miltonvale, Linn, Morganville,
Morrowville, Palmer, Agenda, Aurora and Vining.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

A Severe Thunderstorm Watch remains in effect until 300 AM CDT for
north central Kansas.

&&

LAT...LON 3990 9705 3945 9699 3934 9752 3970 9757
TIME...MOT...LOC 0340Z 241DEG 30KT 3967 9749 3941 9747

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...55 MPH

Laflin
Special weather statement, Aug 5, 11:10 PM CDT, 8 minutes before
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Local storm report, Aug 5, 11:17 PM CDT, 1 minute before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 5, 9:55 PM CDTSpecial Weather StatementTOPRepublic35 min
Aug 5, 10:14 PM CDTSpecial Weather StatementTOPCloud46 min
Aug 5, 10:15 PM CDTSpecial Weather StatementTOPWashington45 min
Aug 5, 10:41 PM CDTSpecial Weather StatementTOPWashington49 min
Aug 5, 11:10 PM CDTSpecial Weather StatementTOPClay, Riley, Washington35 min
Aug 5, 11:41 PM CDTSevere Thunderstorm WarningTOPMarshall, Nemaha, Pottawatomie, Riley14 min
Aug 6, 12:06 AM CDTSpecial Weather StatementTOPBrown, Jackson, Nemaha, Shawnee, Wabaunsee24 min
Aug 6, 12:32 AM CDTSpecial Weather StatementTOPBrown, Douglas, Jefferson, Lyon, Osage, Shawnee28 min
Aug 6, 12:52 AM CDTSevere Thunderstorm WarningTOPBrown23 min
Aug 6, 12:57 AM CDTSevere Thunderstorm WarningTOPCoffey, Lyon, Osage33 min
Aug 6, 1:00 AM CDTSpecial Weather StatementTOPDouglas, Franklin, Jefferson30 min
Aug 6, 1:18 AM CDTSpecial Weather StatementTOPAnderson, Coffey, Franklin42 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2023Every severe thunderstorm warning in 2023

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.