Alert archive / Kansas / Tornado Warnings in 2021
Tornado Warning 3, NWS Topeka, KS
NWS Topeka, KS issued this tornado warning at May 8, 2021, 10:11 PM CDT for Pottawatomie County, Riley County, Wabaunsee County, Kansas. It was in force for 21 min. 2 reports 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
- May 8, 2021, 10:11 PM CDT (03:11 UTC)
- Expired
- May 8, 2021, 10:32 PM CDT
- In force
- 21 min
- Issued by
- NWS Topeka, KS
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Pottawatomie County, KS, Riley County, KS, Wabaunsee County, KS
The radar
The Topeka radar (KTWX), 18 km from the middle of the area, began a volume at 03:11 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 |
|---|---|---|---|
| May 8, 10:16 PM CDT | TSTM WND GST 70 | 2 S Wamego, KS | |
| May 8, 10:25 PM CDT | TSTM WND DMG | 5 Nnw Mcfarland, KS | SHERIFF REPORTED CONSTRUCTION EQUIPMENT BLOWN OVER. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
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, 3.2 hours before the alert went out and 53 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.
062
WFUS53 KTOP 090311
TORTOP
KSC149-161-197-090345-
/O.NEW.KTOP.TO.W.0003.210509T0311Z-210509T0345Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Topeka KS
1011 PM CDT Sat May 8 2021
The National Weather Service in Topeka has issued a
* Tornado Warning for...
Eastern Riley County in northeastern Kansas...
Northeastern Wabaunsee County in east central Kansas...
Southeastern Pottawatomie County in northeastern Kansas...
* Until 1045 PM CDT.
* At 1010 PM CDT, severe thunderstorms capable of producing both
tornadoes and extensive straight line wind damage were located over
St. George, moving east at 45 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* These dangerous storms will be near...
Wamego around 1020 PM CDT.
Belvue around 1030 PM CDT.
St. Marys around 1035 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.
&&
LAT...LON 3910 9604 3912 9647 3922 9650 3926 9603
TIME...MOT...LOC 0310Z 270DEG 38KT 3917 9642
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
Skow3 follow-up statements
483
WWUS53 KTOP 090315
SVSTOP
Severe Weather Statement
National Weather Service Topeka KS
1015 PM CDT Sat May 8 2021
KSC161-090325-
/O.CAN.KTOP.TO.W.0003.000000T0000Z-210509T0345Z/
Riley-
1015 PM CDT Sat May 8 2021
...THE TORNADO WARNING FOR EASTERN RILEY COUNTY IS CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 100 AM CDT for northeastern
and east central Kansas.
LAT...LON 3911 9635 3921 9638 3926 9603 3910 9604
TIME...MOT...LOC 0315Z 271DEG 41KT 3915 9629
$$
KSC149-197-090345-
/O.CON.KTOP.TO.W.0003.000000T0000Z-210509T0345Z/
Wabaunsee-Pottawatomie-
1015 PM CDT Sat May 8 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT FOR
NORTHEASTERN WABAUNSEE AND SOUTHEASTERN POTTAWATOMIE COUNTIES...
At 1015 PM CDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located near
Wamego, moving east at 45 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
These dangerous storms will be near...
Belvue around 1025 PM CDT.
St. Marys around 1030 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.
&&
LAT...LON 3911 9635 3921 9638 3926 9603 3910 9604
TIME...MOT...LOC 0315Z 271DEG 41KT 3915 9629
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
Skow165
WWUS53 KTOP 090321
SVSTOP
Severe Weather Statement
National Weather Service Topeka KS
1021 PM CDT Sat May 8 2021
KSC149-090331-
/O.CAN.KTOP.TO.W.0003.000000T0000Z-210509T0345Z/
Pottawatomie-
1021 PM CDT Sat May 8 2021
...THE TORNADO WARNING FOR SOUTHEASTERN POTTAWATOMIE COUNTY IS
CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 100 AM CDT for northeastern
and east central Kansas.
LAT...LON 3910 9604 3911 9628 3918 9626 3917 9611
3916 9606 3916 9608 3915 9609 3914 9604
TIME...MOT...LOC 0321Z 274DEG 44KT 3915 9620
$$
KSC197-090345-
/O.CON.KTOP.TO.W.0003.000000T0000Z-210509T0345Z/
Wabaunsee-
1021 PM CDT Sat May 8 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT FOR
NORTHEASTERN WABAUNSEE COUNTY...
At 1021 PM CDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located 4 miles
south of Belvue, moving east at 50 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornadic thunderstorm will remain over mainly rural areas of
northeastern Wabaunsee County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.
&&
LAT...LON 3910 9604 3911 9628 3918 9626 3917 9611
3916 9606 3916 9608 3915 9609 3914 9604
TIME...MOT...LOC 0321Z 274DEG 44KT 3915 9620
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
Skow770
WWUS53 KTOP 090332
SVSTOP
Severe Weather Statement
National Weather Service Topeka KS
1032 PM CDT Sat May 8 2021
KSC197-090342-
/O.CAN.KTOP.TO.W.0003.000000T0000Z-210509T0345Z/
Wabaunsee-
1032 PM CDT Sat May 8 2021
...THE TORNADO WARNING FOR NORTHEASTERN WABAUNSEE COUNTY IS
CANCELLED...
The tornado threat has diminished and the Tornado Warning has been
cancelled. However, large hail and damaging winds remain likely and a
Severe Thunderstorm Warning remains in effect for the area.
A Tornado Watch remains in effect until 100 AM CDT for northeastern
and east central Kansas.
LAT...LON 3910 9604 3911 9628 3918 9626 3917 9611
3916 9606 3916 9608 3915 9609 3914 9604
TIME...MOT...LOC 0329Z 270DEG 38KT 3915 9605
$$
SkowThe 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, 10:43 PM CDT | Severe Thunderstorm Warning | TOP | Lyon, Osage, Shawnee, Wabaunsee | 47 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
Tornado Warnings in Kansas, 2021Every tornado warning in 2021Tornadoes 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.