Alert archive / Kansas / Special Weather Statements in 2023

Special Weather Statement, NWS Topeka, KS

August 5, 2023Republic County, Kansas

NWS Topeka, KS issued this special weather statement at Aug 5, 2023, 9:55 PM CDT for Republic 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 outline as issued.

The facts

Issued
Aug 5, 2023, 9:55 PM CDT (02:55 UTC)
Expired
Aug 5, 2023, 10:30 PM CDT
In force
35 min
Issued by
NWS Topeka, KS
Hail
0.50 in
Wind
55

County Republic County, KS

The radar

The Grand Island radar (KUEX), 79 km from the middle of the area, began a volume at 02:59 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

Omaha, NE (KOAX), launched 00:00Z, 2.9 hours before the alert went out and 206 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

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Aug 5, 6:45 PM CDT, 3 hours 10 minutes earlier.

Area forecast discussion, Aug 5, 6:45 PM CDT, 3 hours 10 minutes before
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<body>
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      <div class="status" id="status">Temporary Notice</div>
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Hazardous weather outlook, Aug 5, 2:49 PM CDT, 7 hours 6 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, 0 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

The office that day

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

IssuedProductOfficeCountiesLasted
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, 11:18 PM CDTSevere Thunderstorm WarningTOPClay, Marshall, Pottawatomie, Riley, Washington27 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

Special Weather Statements in Kansas, 2023Every special weather statement 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.