Alert archive / Kansas / Special Weather Statements in 2021

Special Weather Statement, NWS Wichita, KS

August 7, 2021McPherson County, Kansas

NWS Wichita, KS issued this special weather statement at Aug 7, 2021, 9:08 PM CDT for McPherson County, Kansas. It was in force for 22 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Aug 7, 2021, 9:08 PM CDT (02:08 UTC)
Expired: Aug 7, 2021, 9:30 PM CDT
In force: 22 min
Issued by: NWS Wichita, KS
Hail: 0.00 in
Wind: 55

County McPherson County, KS

The radar

The Wichita radar (KICT), 79 km from the middle of the area, began a volume at 02:11 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.

What was reported inside it

Time	Report	Where	Remark
Aug 7, 9:29 PM CDT	TSTM WND GST 64	Mcpherson, KS	DELAYED REPORT.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 2.1 hours before the alert went out and 183 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.

480 
WWUS83 KICT 080208
SPSICT

Special Weather Statement
National Weather Service Wichita KS
908 PM CDT Sat Aug 7 2021
 
KSZ051-052-080230-
McPherson KS-Marion KS-
908 PM CDT Sat Aug 7 2021

...Strong thunderstorms will impact portions of eastern and southern 
McPherson and northwestern Marion Counties through 930 PM CDT...

At 907 PM CDT, Doppler radar was tracking strong thunderstorm 
outflow winds along a line extending from 7 miles southwest of 
Gypsum to 7 miles west of Inman. Movement was east at 50 mph.

HAZARD...Wind gusts of 50 to 55 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects.

Locations impacted include...
Mcpherson, Inman, Galva, Canton, Mcpherson Airport and Roxbury. 

This includes Interstate 135 between Mile Markers 49 and 67.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

These storms 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 100 AM CDT for
central Kansas.

&&

LAT...LON 3826 9735 3818 9773 3826 9792 3829 9793
      3861 9740 3861 9735
TIME...MOT...LOC 0207Z 271DEG 44KT 3861 9748 3826 9791 

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...55 MPH

$$

DARMOFAL

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, 9:27 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, 12:21 AM CDT	Special Weather Statement	ICT	Butler, Cowley, Elk, Greenwood	54 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.