Alert archive / Kansas / Special Weather Statements in 2021

Special Weather Statement, NWS Wichita, KS

August 8, 20214 counties in Kansas

NWS Wichita, KS issued this special weather statement at Aug 8, 2021, 12:21 AM CDT for 4 counties in Kansas. It was in force for 54 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 8, 2021, 12:21 AM CDT (05:21 UTC)
Expired: Aug 8, 2021, 1:15 AM CDT
In force: 54 min
Issued by: NWS Wichita, KS
Hail: 0.25 in
Wind: 55

Counties Butler County, KS, Cowley County, KS, Elk County, KS, Greenwood County, KS

The radar

The Wichita radar (KICT), 54 km from the middle of the area, began a volume at 05:24 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, 5.4 hours before the alert went out and 188 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

508 
WWUS83 KICT 080521
SPSICT

Special Weather Statement
National Weather Service Wichita KS
1221 AM CDT Sun Aug 8 2021
 
KSZ069-070-083-092>094-098-080615-
Butler KS-Cowley KS-Greenwood KS-Sumner KS-Chautauqua KS-Sedgwick KS-
Elk KS-
1221 AM CDT Sun Aug 8 2021

...Strong thunderstorms will impact portions of Elk, Cowley,
southeastern Sedgwick, Butler, northern Sumner, northwestern
Chautauqua and Greenwood Counties through 115 AM CDT...

At 1219 AM CDT, the public reported strong thunderstorms along a line
extending from 9 miles southeast of Burns to near Towanda to 5 miles
west of Mulvane to near Conway Springs. Movement was east at 40 mph.

HAZARD...Wind gusts of 50 to 55 mph and pea size hail.

SOURCE...Public.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects. Minor damage to outdoor objects is 
         possible.

Locations impacted include...
Derby, El Dorado, Winfield, Andover, Augusta, Wellington, Mulvane,
Rose Hill, Eureka, Douglass, Belle Plaine, Oxford, Udall, Leon,
Howard, Burden, Moline, Dexter, Hamilton and Severy.

This includes Interstate 35 between Mile Markers 15 and 38, and
between Mile Markers 65 and 96.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3730 9771 3776 9699 3809 9675 3808 9596
      3755 9597 3707 9675
TIME...MOT...LOC 0519Z 285DEG 36KT 3802 9673 3775 9693 3747 9734 3732
9762

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...55 MPH

$$

Martin

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 7, 7:33 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ICT	Barton, Ellsworth, Lincoln, Rice, Russell	57 min
Aug 7, 8:25 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ICT	Barton, Ellsworth, Lincoln, McPherson, Rice, Saline	65 min
Aug 7, 9:08 PM CDT	Special Weather Statement	ICT	McPherson	22 min
Aug 7, 9:27 PM CDT	Special Weather Statement	ICT	McPherson, Rice, Saline	33 min
Aug 7, 9:52 PM CDT	Special Weather Statement	ICT	McPherson, Marion, Rice	23 min
Aug 7, 10:10 PM CDT	Special Weather Statement	ICT	Rice	20 min
Aug 7, 10:19 PM CDT	Severe Thunderstorm Warning	ICT	McPherson, Reno, Rice	26 min
Aug 7, 10:24 PM CDT	Severe Thunderstorm Warning	ICT	Kingman, Reno	36 min
Aug 7, 10:56 PM CDT	Special Weather Statement	ICT	Kingman, Reno	34 min
Aug 7, 11:01 PM CDT	Areal Flood Warning	ICT	McPherson, Marion, Reno, Rice	6 hr
Aug 7, 11:26 PM CDT	Special Weather Statement	ICT	Harvey, Kingman, Sedgwick	34 min
Aug 7, 11:48 PM CDT	Special Weather Statement	ICT	Harvey, Sedgwick	42 min
Aug 8, 2:18 PM CDT	Heat Advisory	ICT	Allen, Barton, Butler, Chase, Chautauqua, Cowley and 20 more	4 days

Nearby

Special Weather Statements in Kansas, 2021 Every 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.