Alert archive / Kansas / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 292, NWS Wichita, KS

August 7, 2019Allen County, Neosho County, Kansas

NWS Wichita, KS issued this severe thunderstorm warning at Aug 7, 2019, 6:03 PM CDT for Allen County, Neosho County, Kansas. It was in force for 42 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 7, 2019, 6:03 PM CDT (23:03 UTC)
Expired
Aug 7, 2019, 6:45 PM CDT
In force
42 min
Issued by
NWS Wichita, KS
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

Counties Allen County, KS, Neosho County, KS

The radar

The Pleasant Hill radar (KEAX), 151 km from the middle of the area, began a volume at 23:06 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

Springfield, MO (KSGF), launched 12:00Z, 11.1 hours before the alert went out and 161 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, Springfield, MO at 12:00Z on 2019-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 632 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, Springfield, MO at 12:00Z on 2019-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 114 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
632 J/kg
Mixed-layer CIN
-177 J/kg
Mixed-layer LCL
1611 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
114 m²/s²
0-3 km storm-relative helicity
137 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

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 Wichita, KS wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 7, 3:36 PM CDT, 2 hours 27 minutes earlier.

Area forecast discussion, Aug 7, 3:36 PM CDT, 2 hours 27 minutes before
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Hazardous weather outlook, Aug 7, 4:26 PM CDT, 1 hour 37 minutes before
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In the hours before

Special weather statement, Aug 7, 12:37 PM CDT, 5 hours 26 minutes before
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  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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Special weather statement, Aug 7, 4:54 PM CDT, 1 hour 9 minutes before
Special Weather Statement
National Weather Service Wichita KS
454 PM CDT Wed Aug 7 2019

KSZ072-072230-
Allen KS-
454 PM CDT Wed Aug 7 2019

The National Weather Service in Wichita has issued a

* Significant Weather Advisory for...
  Eastern Allen County in southeastern Kansas...

* Until 530 PM CDT.

* At 450 PM CDT...National Weather Service Doppler radar was tracking
  a strong thunderstorm with locally heavy rainfall over Moran, or
  near La Harpe...moving southeast at 40 mph.

hail up to the size of dimes...and wind gusts up to 50 mph will be
possible with this storm.

* Locations impacted include...
  La Harpe, Gas, Moran, Savonburg, Elsmore and Mildred.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3773 9524 3804 9543 3804 9508 3773 9509
TIME...MOT...LOC 2153Z 315DEG 42KT 3790 9522

HAYES

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 7, 2:39 AM CDTFlash Flood WatchICTAllen, Chase, Chautauqua, Elk, Greenwood, Labette and 4 more49 hr
Aug 7, 8:31 AM CDTSpecial Weather StatementICTHarvey29 min
Aug 7, 9:53 AM CDTSpecial Weather StatementICTWoodson22 min
Aug 7, 11:20 AM CDTSpecial Weather StatementICTSumner25 min
Aug 7, 12:37 PM CDTSpecial Weather StatementICTAllen, Woodson23 min
Aug 7, 4:54 PM CDTSpecial Weather StatementICTAllen36 min

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.