Alert archive / Kansas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 24, NWS Topeka, KS
NWS Topeka, KS issued this severe thunderstorm warning at May 8, 2021, 10:43 PM CDT for 4 counties in Kansas. It was in force for 47 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
- May 8, 2021, 10:43 PM CDT (03:43 UTC)
- Expired
- May 8, 2021, 11:30 PM CDT
- In force
- 47 min
- Issued by
- NWS Topeka, KS
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Lyon County, KS, Osage County, KS, Shawnee County, KS, Wabaunsee County, KS
The radar
The Topeka radar (KTWX), 33 km from the middle of the area, began a volume at 03:42 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 |
|---|---|---|---|
| May 8, 6:30 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Topeka, KS (KTOP), launched 00:00Z, 3.7 hours before the alert went out and 21 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
- 377 J/kg
- Mixed-layer CIN
- -170 J/kg
- Mixed-layer LCL
- 1653 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 106 m²/s²
- 0-3 km storm-relative helicity
- 362 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 6.0
The text
As transmitted.
643
WUUS53 KTOP 090343
SVRTOP
KSC111-139-177-197-090430-
/O.NEW.KTOP.SV.W.0024.210509T0343Z-210509T0430Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Topeka KS
1043 PM CDT Sat May 8 2021
The National Weather Service in Topeka has issued a
* Severe Thunderstorm Warning for...
Shawnee County in east central Kansas...
Southeastern Wabaunsee County in east central Kansas...
Northern Osage County in east central Kansas...
Northeastern Lyon County in east central Kansas...
* Until 1130 PM CDT.
* At 1042 PM CDT, severe thunderstorms were located along a line
extending from Willard to 6 miles north of Allen, moving east at 45
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...
Topeka, Carbondale, Eskridge, Tecumseh, Richland, Dover, Silver
Lake, Auburn, Overbrook, Burlingame, Scranton, Maple Hill,
Harveyville, Willard, Pauline, Keene and Berryton.
This includes the following highways...
Interstate 70 between mile markers 340 and 355.
Kansas Turnpike between mile markers 153 and 188.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 100 AM CDT for northeastern
and east central Kansas.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3904 9550 3868 9551 3874 9637 3893 9633
3912 9595
TIME...MOT...LOC 0342Z 267DEG 41KT 3909 9593 3875 9618
HAIL...1.00IN
WIND...60MPH
$$
Skow2 follow-up statements
424
WWUS53 KTOP 090401
SVSTOP
Severe Weather Statement
National Weather Service Topeka KS
1101 PM CDT Sat May 8 2021
KSC111-090410-
/O.CAN.KTOP.SV.W.0024.000000T0000Z-210509T0430Z/
Lyon-
1101 PM CDT Sat May 8 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN LYON COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 100 AM CDT for northeastern
and east central Kansas.
LAT...LON 3904 9550 3872 9551 3876 9614 3898 9615
3912 9595
TIME...MOT...LOC 0400Z 268DEG 39KT 3910 9569 3873 9601
$$
KSC139-177-197-090430-
/O.CON.KTOP.SV.W.0024.000000T0000Z-210509T0430Z/
Shawnee-Wabaunsee-Osage-
1101 PM CDT Sat May 8 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM CDT
FOR SHAWNEE...SOUTHEASTERN WABAUNSEE AND NORTHERN OSAGE COUNTIES...
At 1100 PM CDT, severe thunderstorms were located along a line
extending from 3 miles north of Topeka to 4 miles southwest of
Harveyville, moving east at 45 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...
Topeka, Carbondale, Eskridge, Tecumseh, Richland, Dover, Silver Lake,
Auburn, Overbrook, Burlingame, Scranton, Harveyville, Willard,
Pauline, Keene and Berryton.
This includes the following highways...
Interstate 70 between mile markers 342 and 355.
Kansas Turnpike between mile markers 156 and 188.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 100 AM CDT for northeastern
and east central Kansas.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3904 9550 3872 9551 3876 9614 3898 9615
3912 9595
TIME...MOT...LOC 0400Z 268DEG 39KT 3910 9569 3873 9601
HAIL...1.00IN
WIND...60MPH
$$
Skow451
WWUS53 KTOP 090420
SVSTOP
Severe Weather Statement
National Weather Service Topeka KS
1120 PM CDT Sat May 8 2021
KSC197-090429-
/O.CAN.KTOP.SV.W.0024.000000T0000Z-210509T0430Z/
Wabaunsee-
1120 PM CDT Sat May 8 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN WABAUNSEE COUNTY
IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 100 AM CDT for east central
Kansas.
LAT...LON 3872 9551 3875 9595 3877 9595 3909 9579
3904 9550
TIME...MOT...LOC 0419Z 267DEG 41KT 3911 9542 3874 9574
$$
KSC139-177-090430-
/O.CON.KTOP.SV.W.0024.000000T0000Z-210509T0430Z/
Shawnee-Osage-
1120 PM CDT Sat May 8 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM CDT
FOR SOUTHEASTERN SHAWNEE AND NORTHERN OSAGE COUNTIES...
At 1119 PM CDT, severe thunderstorms were located along a line
extending from near Perry to near Scranton, moving east at 45 mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Topeka, Carbondale, Tecumseh, Richland, Auburn, Overbrook,
Burlingame, Scranton, Pauline and Berryton.
This includes the following highways...
Interstate 70 between mile markers 354 and 355.
Kansas Turnpike between mile markers 156 and 188.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 100 AM CDT for east central
Kansas.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3872 9551 3875 9595 3877 9595 3909 9579
3904 9550
TIME...MOT...LOC 0419Z 267DEG 41KT 3911 9542 3874 9574
HAIL...0.88IN
WIND...60MPH
$$The office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 8, 7:15 PM CDT | Special Weather Statement | TOP | Republic | 15 min |
| May 8, 7:27 PM CDT | Severe Thunderstorm Warning | TOP | Republic | 33 min |
| May 8, 7:52 PM CDT | Special Weather Statement | TOP | Marshall | 23 min |
| May 8, 7:56 PM CDT | Severe Thunderstorm Warning | TOP | Republic, Washington | 49 min |
| May 8, 8:03 PM CDT | Severe Thunderstorm Warning | TOP | Marshall | 42 min |
| May 8, 8:38 PM CDT | Severe Thunderstorm Warning | TOP | Marshall, Washington | 52 min |
| May 8, 8:48 PM CDT | Severe Thunderstorm Warning | TOP | Dickinson | 57 min |
| May 8, 9:24 PM CDT | Severe Thunderstorm Warning | TOP | Geary, Morris, Riley | 51 min |
| May 8, 9:27 PM CDT | Special Weather Statement | TOP | Marshall | 33 min |
| May 8, 9:51 PM CDT | Severe Thunderstorm Warning | TOP | Geary, Pottawatomie, Riley | 24 min |
| May 8, 10:03 PM CDT | Severe Thunderstorm Warning | TOP | Geary, Jackson, Morris, Pottawatomie, Riley, Shawnee and 1 more | 42 min |
| May 8, 10:11 PM CDT | Tornado Warning | TOP | Pottawatomie, Riley, Wabaunsee | 21 min |
| May 8, 11:00 PM CDT | Severe Thunderstorm Warning | TOP | Jackson, Jefferson, Shawnee | 45 min |
| May 8, 11:00 PM CDT | Severe Thunderstorm Warning | TOP | Dickinson | 45 min |
| May 8, 11:26 PM CDT | Special Weather Statement | TOP | Douglas | 49 min |
| May 8, 11:42 PM CDT | Areal Flood Advisory | TOP | Shawnee, Wabaunsee | 3 hr |
| May 9, 12:00 AM CDT | Areal Flood Advisory | TOP | Dickinson, Geary | 3 hr |
| May 9, 12:00 AM CDT | Special Weather Statement | TOP | Dickinson | 45 min |
| May 9, 12:15 AM CDT | Flash Flood Warning | TOP | Shawnee, Wabaunsee | 4 hr |
| May 9, 12:31 AM CDT | Areal Flood Advisory | TOP | Douglas | 3 hr |
| May 9, 12:58 AM CDT | Special Weather Statement | TOP | Morris | 47 min |
| May 9, 2:28 AM CDT | Special Weather Statement | TOP | Coffey | 32 min |
| May 9, 3:56 AM CDT | Special Weather Statement | TOP | Douglas, Jackson, Jefferson, Shawnee | 49 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.