Alert archive / Kansas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 143, NWS Wichita, KS
NWS Wichita, KS issued this severe thunderstorm warning at Sep 3, 2021, 7:44 PM CDT for Harper County, Sumner County, Kansas. It was in force for 46 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
- Sep 3, 2021, 7:44 PM CDT (00:44 UTC)
- Expired
- Sep 3, 2021, 8:30 PM CDT
- In force
- 46 min
- Issued by
- NWS Wichita, KS
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Harper County, KS, Sumner County, KS
The radar
The Vance AFB radar (KVNX), 58 km from the middle of the area, began a volume at 00:46 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
Dodge City, (KDDC), launched 00:00Z, 0.7 hours before the alert went out and 190 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
- 2188 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 712 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 166 m²/s²
- 0-3 km storm-relative helicity
- 157 m²/s²
- Significant tornado parameter
- 1.4
- Supercell composite
- 9.9
The text
As transmitted.
052
WUUS53 KICT 040044
SVRICT
KSC077-191-040130-
/O.NEW.KICT.SV.W.0143.210904T0044Z-210904T0130Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Wichita KS
744 PM CDT Fri Sep 3 2021
The National Weather Service in Wichita has issued a
* Severe Thunderstorm Warning for...
Eastern Harper County in south central Kansas...
Western Sumner County in south central Kansas...
* Until 830 PM CDT.
* At 743 PM CDT, severe thunderstorms were located along a line
extending from 5 miles northeast of Harper to 8 miles northwest of
Renfrow, moving east at 25 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Anthony, Harper, Conway Springs, Caldwell, Argonia, South Haven,
Mayfield, Milan, Hunnewell, Bluff City, Danville, Freeport, Perth
and Runnymede.
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 3700 9802 3713 9805 3738 9819 3739 9781
3741 9781 3743 9761 3700 9737
TIME...MOT...LOC 0043Z 254DEG 21KT 3736 9798 3701 9777
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
DARMOFAL3 follow-up statements
983
WWUS53 KICT 040101
SVSICT
Severe Weather Statement
National Weather Service Wichita KS
801 PM CDT Fri Sep 3 2021
KSC077-191-040130-
/O.CON.KICT.SV.W.0143.000000T0000Z-210904T0130Z/
Harper KS-Sumner KS-
801 PM CDT Fri Sep 3 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CDT
FOR EASTERN HARPER AND WESTERN SUMNER COUNTIES...
At 800 PM CDT, severe thunderstorms were located along a line
extending from 5 miles south of Norwich to near Caldwell, moving
east-northeast at 30 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Anthony, Harper, Conway Springs, Caldwell, Argonia, South Haven,
Mayfield, Milan, Hunnewell, Bluff City, Danville, Freeport, Perth and
Runnymede.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3700 9802 3713 9805 3738 9819 3739 9781
3741 9781 3743 9761 3700 9737
TIME...MOT...LOC 0100Z 258DEG 22KT 3737 9783 3703 9765
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
DARMOFAL183 WWUS53 KICT 040112 SVSICT Severe Weather Statement National Weather Service Wichita KS 812 PM CDT Fri Sep 3 2021 KSC077-040121- /O.CAN.KICT.SV.W.0143.000000T0000Z-210904T0130Z/ Harper KS- 812 PM CDT Fri Sep 3 2021 ...THE SEVERE THUNDERSTORM WARNING FOR EASTERN HARPER COUNTY IS CANCELLED... The storms which prompted the warning have moved out of the warned area. Therefore, the warning has been cancelled. LAT...LON 3741 9781 3743 9761 3700 9737 3700 9780 TIME...MOT...LOC 0111Z 258DEG 25KT 3739 9774 3704 9753 $$ KSC191-040130- /O.CON.KICT.SV.W.0143.000000T0000Z-210904T0130Z/ Sumner KS- 812 PM CDT Fri Sep 3 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR WESTERN SUMNER COUNTY... At 811 PM CDT, severe thunderstorms were located along a line extending from 5 miles west of Conway Springs to near Caldwell, moving east-northeast at 30 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Conway Springs, Caldwell, Argonia, South Haven, Mayfield, Milan, Hunnewell and Perth. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3741 9781 3743 9761 3700 9737 3700 9780 TIME...MOT...LOC 0111Z 258DEG 25KT 3739 9774 3704 9753 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ DARMOFAL
461
WWUS53 KICT 040121
SVSICT
Severe Weather Statement
National Weather Service Wichita KS
821 PM CDT Fri Sep 3 2021
KSC191-040130-
/O.EXP.KICT.SV.W.0143.000000T0000Z-210904T0130Z/
Sumner KS-
821 PM CDT Fri Sep 3 2021
...THE SEVERE THUNDERSTORM WARNING FOR WESTERN SUMNER COUNTY WILL
EXPIRE AT 830 PM CDT...
The storms which prompted the warning have weakened. Therefore, the
warning will be allowed to expire at 830 pm. However gusty winds of
40 to 50 mph and heavy rain are still likely with these
thunderstorms.
LAT...LON 3741 9781 3743 9761 3700 9737 3700 9780
TIME...MOT...LOC 0120Z 254DEG 21KT 3740 9769 3705 9748
$$
DARMOFALThe office that day
Everything else NWS Wichita, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 3, 7:08 PM CDT | Special Weather Statement | ICT | Harper | 37 min |
| Sep 3, 7:36 PM CDT | Special Weather Statement | ICT | Harper | 39 min |
| Sep 3, 8:23 PM CDT | Special Weather Statement | ICT | Sumner | 37 min |
| Sep 3, 9:00 PM CDT | Special Weather Statement | ICT | Sedgwick | 45 min |
| Sep 3, 9:13 PM CDT | Areal Flood Warning | ICT | Sedgwick | 74 min |
| Sep 3, 9:18 PM CDT | Special Weather Statement | ICT | Cowley | 42 min |
| Sep 3, 9:31 PM CDT | Special Weather Statement | ICT | Butler | 44 min |
| Sep 3, 10:15 PM CDT | Special Weather Statement | ICT | Greenwood | 30 min |
| Sep 3, 10:41 PM CDT | Special Weather Statement | ICT | Greenwood | 34 min |
| Sep 3, 11:12 PM CDT | Special Weather Statement | ICT | Wilson, Woodson | 48 min |
| Sep 3, 11:44 PM CDT | Special Weather Statement | ICT | Allen, Woodson | 46 min |
| Sep 4, 4:00 AM CDT | Areal Flood Warning | ICT | Allen, Greenwood, Woodson | 32 hr |
| Sep 4, 6:54 AM CDT | Areal Flood Warning | ICT | McPherson, Marion | 5 hr |
| Sep 4, 9:36 AM CDT | River Flood Warning | ICT | Allen, Neosho | 33 hr |
| Sep 4, 10:10 AM CDT | Areal Flood Warning | ICT | Butler, Greenwood | 4 hr |
| Sep 4, 1:52 PM CDT | River Flood Warning | ICT | Neosho | 59 hr |
| Sep 4, 1:52 PM CDT | River Flood Warning | ICT | Labette, Neosho | 69 hr |
| Sep 4, 1:52 PM CDT | River Flood Warning | ICT | Cherokee, Labette | 3 days |
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.