Alert archive / Kansas / Special Weather Statements in 2021

Special Weather Statement, NWS Wichita, KS

August 7, 2021Harvey County, Sedgwick County, Kansas

NWS Wichita, KS issued this special weather statement at Aug 7, 2021, 11:48 PM CDT for Harvey County, Sedgwick 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 outline as issued.

The facts

Issued
Aug 7, 2021, 11:48 PM CDT (04:48 UTC)
Expired
Aug 8, 2021, 12:30 AM CDT
In force
42 min
Issued by
NWS Wichita, KS
Hail
0.50 in
Wind
50

Counties Harvey County, KS, Sedgwick County, KS

The radar

The Wichita radar (KICT), 23 km from the middle of the area, began a volume at 04:48 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 00:00Z, 4.8 hours before the alert went out and 207 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, Topeka, KS at 00:00Z on 2021-08-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1803 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 00:00Z on 2021-08-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 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
1803 J/kg
Mixed-layer CIN
-63 J/kg
Mixed-layer LCL
1923 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
157 m²/s²
Significant tornado parameter
0.1
Supercell composite
7.5

Open this sounding in Storm Lab

The text

As transmitted.

564 
WWUS83 KICT 080448
SPSICT

Special Weather Statement
National Weather Service Wichita KS
1148 PM CDT Sat Aug 7 2021
 
KSZ052-067>069-082-083-080530-
Reno KS-Butler KS-Harvey KS-Marion KS-Sedgwick KS-Kingman KS-
1148 PM CDT Sat Aug 7 2021

...Strong thunderstorms will impact portions of southeastern Reno,
Sedgwick, Harvey, northwestern Butler, southern Marion and eastern
Kingman Counties through 1230 AM CDT...

At 1147 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Goessel to near Colwich to 8 miles north
of Harper. Movement was east at 45 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...
Wichita, Derby, Newton, Andover, Haysville, Park City, Valley Center,
Bel Aire, Goddard, Hesston, Maize, Clearwater, Cheney, Halstead,
North Newton, Sedgwick, Towanda, Colwich, Peabody and Benton.

This includes the following highways...
 Interstate 135 between Mile Markers 0 and 42.
 Interstate 35 between Mile Markers 34 and 63.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

&&

LAT...LON 3745 9815 3773 9793 3817 9746 3817 9737
      3825 9737 3824 9685 3772 9702 3748 9733
TIME...MOT...LOC 0447Z 270DEG 38KT 3820 9733 3772 9754 3740 9799 

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

$$

DARMOFAL

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 7, 7:33 PM CDTSevere Thunderstorm Warning Considerable damage threatICTBarton, Ellsworth, Lincoln, Rice, Russell57 min
Aug 7, 8:25 PM CDTSevere Thunderstorm Warning Considerable damage threatICTBarton, Ellsworth, Lincoln, McPherson, Rice, Saline65 min
Aug 7, 9:08 PM CDTSpecial Weather StatementICTMcPherson22 min
Aug 7, 9:27 PM CDTSpecial Weather StatementICTMcPherson, Rice, Saline33 min
Aug 7, 9:52 PM CDTSpecial Weather StatementICTMcPherson, Marion, Rice23 min
Aug 7, 10:10 PM CDTSpecial Weather StatementICTRice20 min
Aug 7, 10:19 PM CDTSevere Thunderstorm WarningICTMcPherson, Reno, Rice26 min
Aug 7, 10:24 PM CDTSevere Thunderstorm WarningICTKingman, Reno36 min
Aug 7, 10:56 PM CDTSpecial Weather StatementICTKingman, Reno34 min
Aug 7, 11:01 PM CDTAreal Flood WarningICTMcPherson, Marion, Reno, Rice6 hr
Aug 7, 11:26 PM CDTSpecial Weather StatementICTHarvey, Kingman, Sedgwick34 min
Aug 8, 12:21 AM CDTSpecial Weather StatementICTButler, Cowley, Elk, Greenwood54 min
Aug 8, 2:18 PM CDTHeat AdvisoryICTAllen, Barton, Butler, Chase, Chautauqua, Cowley and 20 more4 days

Nearby

Special Weather Statements in Kansas, 2021Every special weather statement in 2021

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.