Alert archive / Kansas / Tornado Warnings in 2021
Tornado Warning 29, NWS Kansas City, MO
NWS Kansas City, MO issued this tornado warning at Dec 15, 2021, 5:03 PM CST for Atchison County, Doniphan County, Kansas; Andrew County, Buchanan County, Missouri. It was in force for 27 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
- Dec 15, 2021, 5:03 PM CST (23:03 UTC)
- Expired
- Dec 15, 2021, 5:30 PM CST
- In force
- 27 min
- Issued by
- NWS Kansas City, MO
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Atchison County, KS, Doniphan County, KS, Andrew County, MO, Buchanan County, MO
The radar
The Topeka radar (KTWX), 119 km from the middle of the area, began a volume at 23:05 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 |
|---|---|---|---|
| Dec 15, 5:15 PM CST | TSTM WND DMG | 1 Ene Lancaster, KS | ROOF DAMAGE TO BUILDING AT 294TH AND KINGMAN. |
| Dec 15, 5:15 PM CST | TSTM WND DMG | 4 W Atchison, KS | DAMAGE TO A POWER POLE AT 286TH AND NEOSHO. |
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 |
|---|---|---|---|
| Dec 15, 1:23 PM CST | Tornado Watch | SPC | 7 hr |
| Dec 15, 3:18 PM CST | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Topeka, KS (KTOP), launched 12:00Z, 11.1 hours before the alert went out and 86 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1036 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 466 m²/s²
- 0-3 km storm-relative helicity
- 477 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
574
WFUS53 KEAX 152303
TOREAX
KSC005-043-MOC003-021-152330-
/O.NEW.KEAX.TO.W.0029.211215T2303Z-211215T2330Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Kansas City/Pleasant Hill MO
503 PM CST Wed Dec 15 2021
The National Weather Service in Pleasant Hill has issued a
* Tornado Warning for...
Southern Doniphan County in northeastern Kansas...
Northeastern Atchison County in northeastern Kansas...
Central Buchanan County in northwestern Missouri...
South central Andrew County in northwestern Missouri...
* Until 530 PM CST.
* At 503 PM CST, a severe thunderstorm capable of producing a tornado
was located near Lancaster, or 9 miles southeast of Horton, moving
northeast at 55 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.
* Locations impacted include...
St. Joseph, Atchison, Savannah, Wathena, Elwood, Troy, Country Club
Villa, Country Club, Agency, Amazonia, Lancaster, Denton, Doniphan,
Huron, St. Joseph Airport and Bendena.
This includes the following highways...
Interstate 29 between mile markers 39 and 58.
Interstate 229 between mile markers 0 and 14.
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.
&&
LAT...LON 3965 9534 3971 9534 3996 9474 3966 9463
3953 9542 3965 9542
TIME...MOT...LOC 2303Z 241DEG 49KT 3960 9537
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
CDB1 follow-up statement
015
WWUS53 KEAX 152322 RRA
SVSEAX
Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
522 PM CST Wed Dec 15 2021
KSC005-043-MOC003-021-152332-
/O.EXP.KEAX.TO.W.0029.000000T0000Z-211215T2330Z/
Doniphan KS-Atchison KS-Buchanan MO-Andrew MO-
522 PM CST Wed Dec 15 2021
...THE TORNADO WARNING FOR SOUTHERN DONIPHAN...NORTHEASTERN
ATCHISON...CENTRAL BUCHANAN AND SOUTH CENTRAL ANDREW COUNTIES WILL
EXPIRE AT 530 PM CST...
The tornado threat has diminished and the Tornado Warning has been
cancelled. However, damaging winds remain likely and a Severe
Thunderstorm Warning remains in effect for the area.
A Tornado Watch remains in effect until 800 PM CST for northeastern
Kansas...and northwestern Missouri.
A Severe Thunderstorm Watch remains in effect until 700 PM CST for
northeastern Kansas...and northwestern Missouri.
LAT...LON 3965 9534 3971 9534 3996 9474 3966 9463
3953 9542 3965 9542
TIME...MOT...LOC 2322Z 241DEG 49KT 3973 9508
$$
CDBThe office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 15, 4:03 PM CST | Severe Thunderstorm Warning | EAX | Doniphan | 72 min |
| Dec 15, 4:43 PM CST | Severe Thunderstorm Warning | EAX | Atchison, Doniphan | 62 min |
| Dec 15, 4:51 PM CST | Tornado Warning | EAX | Doniphan | 39 min |
| Dec 15, 5:12 PM CST | Severe Thunderstorm Warning | EAX | Doniphan | 78 min |
| Dec 15, 5:18 PM CST | Severe Thunderstorm Warning | EAX | Atchison, Leavenworth, Wyandotte | 57 min |
| Dec 15, 5:31 PM CST | Severe Thunderstorm Warning | EAX | Johnson, Miami | 44 min |
Nearby
Tornado Warnings in Kansas, 2021Tornado Warnings in Missouri, 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.