Alert archive / Missouri / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 153, NWS Kansas City, MO
NWS Kansas City, MO issued this severe thunderstorm warning at Dec 15, 2021, 5:18 PM CST for 4 counties in Missouri; Atchison County, Leavenworth County, Wyandotte County, Kansas. It was in force for 57 min. 12 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, 5:18 PM CST (23:18 UTC)
- Expired
- Dec 15, 2021, 6:15 PM CST
- In force
- 57 min
- Issued by
- NWS Kansas City, MO
- Area
- Storm-based polygon
- Damage threat
- Considerable
- Hail
- 0.75 in
- Wind
- 70.0 mph
Counties Atchison County, KS, Leavenworth County, KS, Wyandotte County, KS, Clay County, MO, Clinton County, MO, DeKalb County, MO, Platte County, MO
The radar
The Pleasant Hill radar (KEAX), 60 km from the middle of the area, began a volume at 23:20 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, 5:30 PM CST | TSTM WND DMG | 4 Wsw Fort Leavenworth, KS | POWER LINES DOWN NEAR MT. OLIVET ROAD AND 179TH. LAW ENFORCEMENT RESPONDING. TIME ESTIMATED VIA RADAR. |
| Dec 15, 5:30 PM CST | TSTM WND GST 70 | 3 W Jarbalo, KS | EM REPORT OF PEA SIZE HAIL AND HEAVY RAIN WITH 70 MPH WINDS. |
| Dec 15, 5:31 PM CST | TSTM WND GST 70 | 1 Sw Lowemont, KS | RELAYED BY EMERGENCY MANAGEMENT, SEVERAL STORM SPOTTERS REPORTING 70 MPH WINDS. |
| Dec 15, 5:37 PM CST | TSTM WND DMG | 1 Nne Lansing, KS | REPORT OF POWER LINE DOWN AND WRAPPED AROUND TRAMPOLINE. EMERGENCY RESPONDERS EN ROUTE. NO INJURIES REPORTED. |
| Dec 15, 5:42 PM CST | TSTM WND DMG | 3 Nnw Linwood, KS | REPORT OF POWER LINE DOWN BY TREE AND ON FIRE. TIME ESTIMATED VIA RADAR. |
| Dec 15, 5:50 PM CST | TSTM WND DMG | 3 Nnw Jarbalo, KS | SEVERAL OUTBUILDINGS WITH ROOFS BLOWN OFF. TIME ESTIMATED VIA RADAR. |
| Dec 15, 6:06 PM CST | TSTM WND DMG | 1 N Houston Lake, MO | POWER LINES DOWN NEAR NW 56TH ST AND INTERSTATE 29. TIME ESTIMATED VIA RADAR. |
| Dec 15, 6:06 PM CST | TSTM WND DMG | 3 Wsw Osborn, MO | REPORT OF PEOPLE TRAPPED IN A CELLAR WITH HOUSE COLLAPSED ON TOP. LAW ENFORCEMENT AND FIRE DEPARTMENT RESPONDING. |
| Dec 15, 6:09 PM CST | TSTM WND DMG | Kansas City Downtown Ai, MO | VIDEO OF ROOF RIPPING OFF HANGER AT KMKC. ASOS MEASURED WIND GUST OF 77 MPH. |
| Dec 15, 6:09 PM CST | TSTM WND GST 77 | Kansas City Downtown Ai, MO | |
| Dec 15, 6:10 PM CST | HAIL 1 | Lake Waukomis, MO | |
| Dec 15, 6:20 PM CST | TSTM WND DMG | Plattsburg, MO | LARGE TREE DOWN BLOCKING HIGHWAY 116 WEST OF PLATTSBURG. |
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, 3:18 PM CST | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Topeka, KS (KTOP), launched 12:00Z, 11.3 hours before the alert went out and 85 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.
919
WUUS53 KEAX 152318
SVREAX
KSC005-103-209-MOC047-049-063-165-160015-
/O.NEW.KEAX.SV.W.0153.211215T2318Z-211216T0015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Kansas City/Pleasant Hill MO
518 PM CST Wed Dec 15 2021
The National Weather Service in Pleasant Hill has issued a
* Severe Thunderstorm Warning for...
Wyandotte County in northeastern Kansas...
Leavenworth County in northeastern Kansas...
Southeastern Atchison County in northeastern Kansas...
Clinton County in northwestern Missouri...
Clay County in west central Missouri...
Platte County in west central Missouri...
Southern DeKalb County in northwestern Missouri...
* Until 615 PM CST.
* At 518 PM CST, a severe thunderstorm was located near Oskaloosa,
moving northeast at 75 mph.
HAZARD...70 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect considerable tree damage. Damage is likely to
mobile homes, roofs, and outbuildings.
* Locations impacted include...
Shawnee, Leavenworth, Liberty, Gladstone, Lansing, Excelsior
Springs, Cameron, Smithville, Kearney, Bonner Springs, Parkville,
Tonganoxie, Platte City, Basehor, Edwardsville, North Kansas City,
Riverside, Lawson, Plattsburg and Lathrop.
This includes the following highways...
Interstate 70 in Missouri near mile marker 0.
Interstate 70 in Kansas between mile markers 410 and 423.
Interstate 35 in Missouri between mile markers 6 and 55.
Interstate 35 in Kansas between mile markers 232 and 234.
Interstate 29 between mile markers 0 and 30.
Interstate 635 between mile markers 1 and 12.
Interstate 435 between mile markers 9 and 55.
Kansas Turnpike between mile markers 206 and 226.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3942 9518 3953 9491 3953 9460 3975 9460
3977 9421 3921 9422 3924 9429 3916 9437
3920 9440 3912 9446 3915 9450 3915 9454
3911 9461 3904 9461 3906 9487 3899 9491
3901 9491 3897 9509 3896 9508 3897 9519
TIME...MOT...LOC 2318Z 239DEG 67KT 3925 9527
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$
CDB2 follow-up statements
088
WWUS53 KEAX 152350
SVSEAX
Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
550 PM CST Wed Dec 15 2021
KSC005-103-209-MOC047-049-063-165-160015-
/O.CON.KEAX.SV.W.0153.000000T0000Z-211216T0015Z/
Wyandotte KS-Leavenworth KS-Atchison KS-Clinton MO-Clay MO-Platte MO-
DeKalb MO-
550 PM CST Wed Dec 15 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM CST
FOR WYANDOTTE...LEAVENWORTH...SOUTHEASTERN ATCHISON...CLINTON...
CLAY...PLATTE AND SOUTHERN DEKALB COUNTIES...
At 548 PM CST, a severe thunderstorm was located near Basehor, moving
northeast at 85 mph.
THIS IS A DESTRUCTIVE STORM FOR Leavenworth County, KS and Platte
County, MO.
HAZARD...80 mph wind gusts.
SOURCE...Emergency management reported 70 to 80 mph winds in
Leavenworth County.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be heavily damaged. Expect
considerable damage to roofs, windows, and vehicles.
Extensive tree damage and power outages are likely.
Locations impacted include...
Shawnee, Leavenworth, Liberty, Gladstone, Lansing, Excelsior Springs,
Cameron, Smithville, Kearney, Bonner Springs, Parkville, Tonganoxie,
Platte City, Basehor, Edwardsville, North Kansas City, Riverside,
Lawson, Plattsburg and Lathrop.
This includes the following highways...
Interstate 70 in Missouri near mile marker 0.
Interstate 70 in Kansas between mile markers 410 and 423.
Interstate 35 in Missouri between mile markers 6 and 55.
Interstate 35 in Kansas between mile markers 232 and 234.
Interstate 29 between mile markers 0 and 30.
Interstate 635 between mile markers 1 and 12.
Interstate 435 between mile markers 9 and 55.
Kansas Turnpike between mile markers 206 and 226.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This is a DANGEROUS SITUATION. This storm is producing widespread
wind damage across the warned area. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows.
&&
LAT...LON 3942 9518 3953 9491 3953 9460 3975 9460
3977 9421 3921 9422 3924 9429 3916 9437
3920 9440 3912 9446 3915 9450 3915 9454
3911 9461 3904 9461 3906 9487 3899 9491
3901 9491 3897 9509 3896 9508 3897 9519
TIME...MOT...LOC 2348Z 232DEG 72KT 3920 9497
THUNDERSTORM DAMAGE THREAT...DESTRUCTIVE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...80 MPH
$$
CDB712
WWUS53 KEAX 160004
SVSEAX
Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
604 PM CST Wed Dec 15 2021
KSC005-103-160013-
/O.CAN.KEAX.SV.W.0153.000000T0000Z-211216T0015Z/
Leavenworth KS-Atchison KS-
604 PM CST Wed Dec 15 2021
...THE SEVERE THUNDERSTORM WARNING FOR LEAVENWORTH AND SOUTHEASTERN
ATCHISON COUNTIES 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 700 PM CST for
northeastern Kansas...and northwestern and west central Missouri.
LAT...LON 3953 9465 3953 9460 3975 9460 3977 9421
3921 9422 3924 9429 3916 9437 3920 9440
3912 9446 3915 9450 3915 9454 3911 9461
3909 9461 3905 9478 3905 9480 3921 9478
3930 9483 3939 9480
TIME...MOT...LOC 0003Z 239DEG 67KT 3935 9465
$$
KSC209-MOC047-049-063-165-160015-
/O.CON.KEAX.SV.W.0153.000000T0000Z-211216T0015Z/
Wyandotte KS-Clinton MO-Clay MO-Platte MO-DeKalb MO-
604 PM CST Wed Dec 15 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM CST
FOR CENTRAL WYANDOTTE...CLINTON...CLAY...EASTERN PLATTE AND SOUTHERN
DEKALB COUNTIES...
At 603 PM CST, a severe thunderstorm was located over Ferrelview, or
near Smithville, moving northeast at 75 mph.
HAZARD...70 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect considerable tree damage. Damage is likely to mobile
homes, roofs, and outbuildings.
Locations impacted include...
Liberty, Gladstone, Excelsior Springs, Cameron, Smithville, Kearney,
Parkville, Platte City, Edwardsville, North Kansas City, Riverside,
Lawson, Plattsburg, Lathrop, Weatherby Lake, Gower, Claycomo, Kansas
City Kansas, Kansas City and Pleasant Valley.
This includes the following highways...
Interstate 70 in Missouri near mile marker 0.
Interstate 70 in Kansas between mile markers 413 and 423.
Interstate 35 in Missouri between mile markers 6 and 55.
Interstate 29 between mile markers 0 and 21.
Interstate 635 between mile markers 3 and 12.
Interstate 435 between mile markers 9 and 10, and between mile
markers 20 and 55.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare immediately for large hail and damaging winds. People outside
should move to a shelter, inside a strong building and away from
windows.
&&
LAT...LON 3953 9465 3953 9460 3975 9460 3977 9421
3921 9422 3924 9429 3916 9437 3920 9440
3912 9446 3915 9450 3915 9454 3911 9461
3909 9461 3905 9478 3905 9480 3921 9478
3930 9483 3939 9480
TIME...MOT...LOC 0003Z 239DEG 67KT 3935 9465
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$
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 | Andrew, Atchison, Holt, Nodaway, Worth | 72 min |
| Dec 15, 4:43 PM CST | Severe Thunderstorm Warning | EAX | Andrew, Buchanan, Holt, Platte | 62 min |
| Dec 15, 4:51 PM CST | Tornado Warning | EAX | Andrew, Holt, Nodaway | 39 min |
| Dec 15, 5:03 PM CST | Tornado Warning | EAX | Andrew, Buchanan | 27 min |
| Dec 15, 5:12 PM CST | Severe Thunderstorm Warning | EAX | Andrew, Buchanan, Daviess, DeKalb, Gentry, Harrison and 3 more | 78 min |
| Dec 15, 5:31 PM CST | Severe Thunderstorm Warning | EAX | Johnson, Miami | 44 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 2021Severe 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.