Alert archive / Missouri / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 158, NWS Kansas City, MO
NWS Kansas City, MO issued this severe thunderstorm warning at Dec 15, 2021, 6:24 PM CST for 6 counties in Missouri. It was in force for 66 min. 4 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, 6:24 PM CST (00:24 UTC)
- Expired
- Dec 15, 2021, 7:30 PM CST
- In force
- 66 min
- Issued by
- NWS Kansas City, MO
- Area
- Storm-based polygon
- Damage threat
- Considerable
- Hail
- 0.75 in
- Wind
- 70.0 mph
Counties Daviess County, MO, Grundy County, MO, Harrison County, MO, Mercer County, MO, Putnam County, MO, Sullivan County, MO
The radar
The Pleasant Hill radar (KEAX), 163 km from the middle of the area, began a volume at 00:25 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, 6:39 PM CST | TSTM WND GST 60 | 2 S Brimson, MO | |
| Dec 15, 6:46 PM CST | TSTM WND DMG | Trenton, MO | NUMEROUS TREES, POWER LINES, AND SIGNS BLOWN DOWN IN TRENTON. PART OF ROOF BLOWN OFF IN DOWNTOWN. |
| Dec 15, 6:55 PM CST | TSTM WND DMG | 1 Ese Trenton, MO | SEVERAL TREES DOWN IN SOUTHEAST TRENTON. |
| Dec 15, 7:06 PM CST | TSTM WND GST 85 | 2 Ene Lucerne, MO | STATE TROOPERS CAR PUSHED OFF THE ROAD. TIME ESTIMATED BASED ON RADAR. |
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 |
| Dec 15, 6:00 PM CST | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Topeka, KS (KTOP), launched 00:00Z, 0.4 hours before the alert went out and 220 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
- 2425 m above ground
- 0-6 km bulk shear
- 99 kt
- 0-1 km storm-relative helicity
- -149 m²/s²
- 0-3 km storm-relative helicity
- 201 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
152
WUUS53 KEAX 160024
SVREAX
MOC061-079-081-129-171-211-160130-
/O.NEW.KEAX.SV.W.0158.211216T0024Z-211216T0130Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Kansas City/Pleasant Hill MO
624 PM CST Wed Dec 15 2021
The National Weather Service in Pleasant Hill has issued a
* Severe Thunderstorm Warning for...
Daviess County in north central Missouri...
Grundy County in north central Missouri...
Western Sullivan County in north central Missouri...
Mercer County in north central Missouri...
Western Putnam County in north central Missouri...
Harrison County in north central Missouri...
* Until 730 PM CST.
* At 623 PM CST, a severe thunderstorm was located over Bethany,
moving northeast at 65 mph.
HAZARD...70 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect considerable tree damage. Damage is likely to
mobile homes, roofs, and outbuildings.
* Locations impacted include...
Trenton, Bethany, Milan, Gallatin, Princeton, Jamesport, Ridgeway,
Gilman City, Pattonsburg, Mercer, Eagleville, Cainsville, Spickard,
Galt, Winston, Altamont, Laredo, Blythedale, Newtown and Coffey.
This includes Interstate 35 in Missouri between mile markers 57 and
114.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 800 PM CST for north central
Missouri.
Prepare immediately for damaging winds. People outside should move
immediately to shelter inside a strong building. Stay away from
windows.
A Tornado Watch remains in effect until 800 PM CST for north central
Missouri.
&&
LAT...LON 4058 9308 4004 9315 4003 9336 3998 9336
3996 9342 3996 9376 3992 9376 3979 9421
4046 9409 4058 9397
TIME...MOT...LOC 0023Z 240DEG 58KT 4025 9400
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$
CDB1 follow-up statement
390
WWUS53 KEAX 160052
SVSEAX
Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
652 PM CST Wed Dec 15 2021
MOC061-081-160102-
/O.CAN.KEAX.SV.W.0158.000000T0000Z-211216T0130Z/
Daviess MO-Harrison MO-
652 PM CST Wed Dec 15 2021
...THE SEVERE THUNDERSTORM WARNING FOR DAVIESS AND HARRISON COUNTIES
IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 800 PM CST for north central
Missouri.
A Severe Thunderstorm Watch remains in effect until midnight CST for
north central Missouri.
LAT...LON 4058 9308 4004 9315 4003 9336 3998 9336
3996 9342 3996 9367 4057 9365
TIME...MOT...LOC 0052Z 232DEG 73KT 4061 9346 4014 9350
$$
MOC079-129-171-211-160130-
/O.CON.KEAX.SV.W.0158.000000T0000Z-211216T0130Z/
Grundy MO-Sullivan MO-Mercer MO-Putnam MO-
652 PM CST Wed Dec 15 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CST
FOR GRUNDY...WESTERN SULLIVAN...MERCER AND WESTERN PUTNAM COUNTIES...
At 652 PM CST, severe thunderstorms were located along a line
extending from 7 miles northeast of Mercer to near Galt, moving
northeast at 85 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...
Trenton, Milan, Princeton, Mercer, Spickard, Galt, Laredo, Newtown,
Humphreys, Lucerne, Tindall, Harris, Powersville, Osgood, Mill Grove
and Reger.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 800 PM CST for north central
Missouri.
Prepare immediately for damaging winds. People outside should move
to a shelter, inside a strong building and away from windows.
&&
LAT...LON 4058 9308 4004 9315 4003 9336 3998 9336
3996 9342 3996 9367 4057 9365
TIME...MOT...LOC 0052Z 232DEG 73KT 4061 9346 4014 9350
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, 6:00 PM CST | Severe Thunderstorm Warning | EAX | Cass, Jackson | 45 min |
| Dec 15, 6:11 PM CST | Severe Thunderstorm Warning | EAX | Bates, Cass | 64 min |
| Dec 15, 6:15 PM CST | Severe Thunderstorm Warning | EAX | Caldwell, Carroll, Clay, Clinton, Daviess, Livingston and 1 more | 60 min |
| Dec 15, 6:35 PM CST | Severe Thunderstorm Warning | EAX | Carroll, Jackson, Lafayette | 40 min |
| Dec 15, 6:43 PM CST | Severe Thunderstorm Warning | EAX | Cass, Jackson, Johnson | 47 min |
| Dec 15, 7:03 PM CST | Severe Thunderstorm Warning | EAX | Adair, Carroll, Chariton, Grundy, Linn, Livingston and 7 more | 87 min |
| Dec 15, 7:08 PM CST | Severe Thunderstorm Warning | EAX | Bates, Carroll, Cass, Chariton, Cooper, Henry and 7 more | 82 min |
| Dec 15, 8:25 PM CST | Severe Thunderstorm Warning | EAX | Cooper, Howard, Randolph | 35 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 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.