Alert archive / Kansas / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 213, NWS Topeka, KS

August 11, 20194 counties in Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Aug 11, 2019, 4:30 AM CDT for 4 counties in Kansas. It was in force for 45 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 11, 2019, 4:30 AM CDT (09:30 UTC)
Expired
Aug 11, 2019, 5:15 AM CDT
In force
45 min
Issued by
NWS Topeka, KS
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Clay County, KS, Dickinson County, KS, Geary County, KS, Riley County, KS

The radar

The Topeka radar (KTWX), 64 km from the middle of the area, began a volume at 09:30 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

Dodge City, (KDDC), launched 00:00Z, 9.5 hours before the alert went out and 298 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, Dodge City, at 00:00Z on 2019-08-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1183 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, Dodge City, at 00:00Z on 2019-08-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 square meters per square second.1939Sfc1 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
1183 J/kg
Mixed-layer CIN
-118 J/kg
Mixed-layer LCL
2127 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
63 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 11, 2:33 AM CDTSpecial Weather StatementTOPDickinson27 min
Aug 11, 2:59 AM CDTSpecial Weather StatementTOPDickinson31 min
Aug 11, 3:02 AM CDTSpecial Weather StatementTOPCloud28 min
Aug 11, 3:19 AM CDTSpecial Weather StatementTOPClay26 min
Aug 11, 3:33 AM CDTSpecial Weather StatementTOPOttawa27 min
Aug 11, 3:35 AM CDTHeat AdvisoryTOPAnderson, Coffey, Lyon16 hr
Aug 11, 3:47 AM CDTSpecial Weather StatementTOPGeary28 min
Aug 11, 3:56 AM CDTSpecial Weather StatementTOPOttawa34 min
Aug 11, 4:08 AM CDTSevere Thunderstorm WarningTOPClay, Dickinson, Ottawa52 min
Aug 11, 4:13 AM CDTSpecial Weather StatementTOPCoffey32 min
Aug 11, 5:09 AM CDTSpecial Weather StatementTOPWabaunsee36 min
Aug 11, 5:17 AM CDTAreal Flood AdvisoryTOPDickinson3 hr
Aug 11, 6:37 AM CDTSpecial Weather StatementTOPCoffey38 min
Aug 11, 3:12 PM CDTFlash Flood WatchTOPCloud, Republic, Washington12 hr
Aug 11, 3:16 PM CDTHeat AdvisoryTOPAnderson, Coffey, Douglas, Franklin, Jefferson, Lyon and 2 more29 hr

Nearby

Severe Thunderstorm Warnings in Kansas, 2019Every 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.