Alert archive / Kansas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 111, NWS Topeka, KS
NWS Topeka, KS issued this severe thunderstorm warning at Jul 10, 2021, 7:10 PM CDT for Douglas County, Shawnee County, Kansas. It was in force for 35 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
- Jul 10, 2021, 7:10 PM CDT (00:10 UTC)
- Expired
- Jul 10, 2021, 7:45 PM CDT
- In force
- 35 min
- Issued by
- NWS Topeka, KS
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Douglas County, KS, Shawnee County, KS
The radar
The Topeka radar (KTWX), 68 km from the middle of the area, began a volume at 00:13 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 10, 2:18 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Topeka, KS (KTOP), launched 00:00Z, 0.2 hours before the alert went out and 17 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
- 1434 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 1268 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 2 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.3
The text
As transmitted.
474
WUUS53 KTOP 110010
SVRTOP
KSC045-177-110045-
/O.NEW.KTOP.SV.W.0111.210711T0010Z-210711T0045Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Topeka KS
710 PM CDT Sat Jul 10 2021
The National Weather Service in Topeka has issued a
* Severe Thunderstorm Warning for...
Southeastern Shawnee County in east central Kansas...
Western Douglas County in east central Kansas...
* Until 745 PM CDT.
* At 709 PM CDT, a severe thunderstorm was located 4 miles southeast
of Tecumseh, moving southeast at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Lawrence, Tecumseh, Lecompton, Clinton, Lone Star, Clinton Lake and
Globe.
This includes Kansas Turnpike between mile markers 183 and 202.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3875 9539 3885 9550 3887 9550 3887 9552
3898 9564 3906 9559 3905 9558 3907 9555
3907 9551 3905 9549 3907 9546 3907 9544
3903 9535 3903 9534 3897 9519 3896 9519
TIME...MOT...LOC 0009Z 306DEG 23KT 3900 9552
HAIL...1.00IN
WIND...60MPH
$$
Flanagan/Baerg2 follow-up statements
256
WWUS53 KTOP 110017
SVSTOP
Severe Weather Statement
National Weather Service Topeka KS
717 PM CDT Sat Jul 10 2021
KSC177-110026-
/O.CAN.KTOP.SV.W.0111.000000T0000Z-210711T0045Z/
Shawnee-
717 PM CDT Sat Jul 10 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN SHAWNEE COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
northeastern and east central Kansas.
LAT...LON 3875 9539 3885 9550 3906 9550 3905 9549
3907 9546 3907 9544 3903 9535 3903 9534
3897 9519 3896 9519
TIME...MOT...LOC 0016Z 304DEG 25KT 3897 9546
$$
KSC045-110045-
/O.CON.KTOP.SV.W.0111.000000T0000Z-210711T0045Z/
Douglas-
717 PM CDT Sat Jul 10 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR WESTERN DOUGLAS COUNTY...
At 716 PM CDT, a severe thunderstorm was located 4 miles northwest of
Clinton Lake, moving southeast at 30 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Lawrence, Lecompton, Clinton, Lone Star, Clinton Lake and Globe.
This includes Kansas Turnpike between mile markers 189 and 202.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3875 9539 3885 9550 3906 9550 3905 9549
3907 9546 3907 9544 3903 9535 3903 9534
3897 9519 3896 9519
TIME...MOT...LOC 0016Z 304DEG 25KT 3897 9546
HAIL...1.00IN
WIND...60MPH
$$
Flanagan/Baerg302
WWUS53 KTOP 110029
SVSTOP
Severe Weather Statement
National Weather Service Topeka KS
729 PM CDT Sat Jul 10 2021
KSC045-110045-
/O.CON.KTOP.SV.W.0111.000000T0000Z-210711T0045Z/
Douglas-
729 PM CDT Sat Jul 10 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR CENTRAL DOUGLAS COUNTY...
At 729 PM CDT, a severe thunderstorm was located over southwestern
Lawrence, moving east at 30 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Lawrence, Clinton, Lone Star and Clinton Lake.
This includes Kansas Turnpike between mile markers 195 and 202.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3890 9543 3904 9537 3903 9535 3903 9534
3897 9519 3896 9519 3880 9534
TIME...MOT...LOC 0029Z 287DEG 28KT 3894 9531
HAIL...1.00IN
WIND...60MPH
$$
Flanagan/BaergThe office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 10, 7:22 PM CDT | Severe Thunderstorm Warning | TOP | Douglas | 38 min |
| Jul 10, 8:43 PM CDT | Special Weather Statement | TOP | Franklin | 32 min |
| Jul 10, 9:32 PM CDT | Special Weather Statement | TOP | Anderson | 28 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.