Alert archive / Kansas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 138, NWS Wichita, KS
NWS Wichita, KS issued this severe thunderstorm warning at Aug 20, 2021, 10:07 PM CDT for 5 counties in Kansas. It was in force for 53 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 20, 2021, 10:07 PM CDT (03:07 UTC)
- Expired
- Aug 20, 2021, 11:00 PM CDT
- In force
- 53 min
- Issued by
- NWS Wichita, KS
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Butler County, KS, Harvey County, KS, Marion County, KS, Reno County, KS, Sedgwick County, KS
The radar
The Wichita radar (KICT), 22 km from the middle of the area, began a volume at 03:10 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, 3.1 hours before the alert went out and 204 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.
- Mixed-layer CAPE
- 3676 J/kg
- Mixed-layer CIN
- -53 J/kg
- Mixed-layer LCL
- 1017 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 145 m²/s²
- 0-3 km storm-relative helicity
- 242 m²/s²
- Significant tornado parameter
- 3.1
- Supercell composite
- 18.5
The text
As transmitted.
700
WUUS53 KICT 210307
SVRICT
KSC015-079-115-155-173-210400-
/O.NEW.KICT.SV.W.0138.210821T0307Z-210821T0400Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Wichita KS
1007 PM CDT Fri Aug 20 2021
The National Weather Service in Wichita has issued a
* Severe Thunderstorm Warning for...
Eastern Reno County in south central Kansas...
Sedgwick County in south central Kansas...
Harvey County in south central Kansas...
Western Butler County in south central Kansas...
Southeastern Marion County in central Kansas...
* Until 1100 PM CDT.
* At 1007 PM CDT, severe thunderstorms were located along a line
extending from Walton to Sedgwick to Mount Hope, moving east to
southeast at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Wichita, Newton, Andover, Augusta, Park City, Valley Center, Bel
Aire, Goddard, Rose Hill, Hesston, Maize, Cheney, Halstead, North
Newton, Sedgwick, Towanda, Colwich, Buhler, Haven and Peabody.
This includes the following highways...
Interstate 135 between Mile Markers 0 and 42.
Interstate 35 between Mile Markers 42 and 71.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3773 9781 3774 9784 3817 9784 3817 9684
3809 9684 3760 9694 3759 9781
TIME...MOT...LOC 0307Z 275DEG 15KT 3811 9729 3791 9745 3785 9766
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
KLEINSASSER2 follow-up statements
676
WWUS53 KICT 210325
SVSICT
Severe Weather Statement
National Weather Service Wichita KS
1025 PM CDT Fri Aug 20 2021
KSC155-210334-
/O.CAN.KICT.SV.W.0138.000000T0000Z-210821T0400Z/
Reno KS-
1025 PM CDT Fri Aug 20 2021
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN RENO COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
LAT...LON 3764 9766 3775 9770 3815 9770 3817 9684
3809 9684 3760 9694
TIME...MOT...LOC 0324Z 264DEG 11KT 3807 9728 3791 9738 3784 9751
$$
KSC015-079-115-173-210400-
/O.CON.KICT.SV.W.0138.000000T0000Z-210821T0400Z/
Sedgwick KS-Harvey KS-Butler KS-Marion KS-
1025 PM CDT Fri Aug 20 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT
FOR NORTHERN SEDGWICK...HARVEY...WESTERN BUTLER AND SOUTHEASTERN
MARION COUNTIES...
At 1024 PM CDT, severe thunderstorms were located along a line
extending from near North Newton to near Sedgwick to near Bentley,
moving east at 15 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Wichita, Newton, Andover, Augusta, Park City, Valley Center, Bel
Aire, Goddard, Hesston, Maize, Halstead, North Newton, Sedgwick,
Towanda, Colwich, Peabody, Burrton, Benton, Mount Hope and
Whitewater.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3764 9766 3775 9770 3815 9770 3817 9684
3809 9684 3760 9694
TIME...MOT...LOC 0324Z 264DEG 11KT 3807 9728 3791 9738 3784 9751
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
LAWSON863
WWUS53 KICT 210355
SVSICT
Severe Weather Statement
National Weather Service Wichita KS
1055 PM CDT Fri Aug 20 2021
KSC015-079-115-173-210404-
/O.EXP.KICT.SV.W.0138.000000T0000Z-210821T0400Z/
Sedgwick KS-Harvey KS-Butler KS-Marion KS-
1055 PM CDT Fri Aug 20 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN SEDGWICK...HARVEY...
WESTERN BUTLER AND SOUTHEASTERN MARION COUNTIES WILL EXPIRE AT 1100
PM CDT...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire.
LAT...LON 3764 9766 3775 9770 3815 9770 3817 9684
3809 9684 3760 9694
TIME...MOT...LOC 0354Z 275DEG 15KT 3806 9713 3790 9723 3783 9736
$$
LAWSONThe office that day
Everything else NWS Wichita, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 20, 7:03 PM CDT | Special Weather Statement | ICT | McPherson, Rice | 27 min |
| Aug 20, 7:23 PM CDT | Severe Thunderstorm Warning | ICT | McPherson, Marion, Rice, Saline | 67 min |
| Aug 20, 8:07 PM CDT | Special Weather Statement | ICT | Reno | 38 min |
| Aug 20, 8:22 PM CDT | Severe Thunderstorm Warning | ICT | Chase, McPherson, Marion | 68 min |
| Aug 20, 8:27 PM CDT | Severe Thunderstorm Warning | ICT | Reno | 63 min |
| Aug 20, 9:20 PM CDT | Severe Thunderstorm Warning | ICT | Harvey, Reno, Sedgwick | 55 min |
| Aug 20, 9:55 PM CDT | Areal Flood Warning | ICT | Harvey, McPherson, Reno | 10 hr |
| Aug 20, 10:10 PM CDT | Special Weather Statement | ICT | Kingman | 35 min |
| Aug 20, 10:31 PM CDT | Severe Thunderstorm Warning | ICT | Kingman | 44 min |
| Aug 20, 11:07 PM CDT | Special Weather Statement | ICT | Sedgwick | 23 min |
| Aug 20, 11:46 PM CDT | Special Weather Statement | ICT | Butler | 29 min |
| Aug 21, 12:20 AM CDT | Special Weather Statement | ICT | Butler | 40 min |
Nearby
Severe Thunderstorm Warnings in Kansas, 2021Every severe thunderstorm warning 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.