Alert archive / Missouri / Tornado Warnings in 2021
Tornado Warning 38, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Dec 10, 2021, 6:27 PM CST for Audrain County, Callaway County, Missouri. It was in force for 34 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 10, 2021, 6:27 PM CST (00:27 UTC)
- Expired
- Dec 10, 2021, 7:01 PM CST
- In force
- 34 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Audrain County, MO, Callaway County, MO
The radar
The St Louis radar (KLSX), 123 km from the middle of the area, began a volume at 00:29 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 10, 6:32 PM CST | TSTM WND DMG | 2 Wnw Kingdom City, MO | TREE DOWN ON ROADWAY ON ROUTE FF. |
| Dec 10, 6:37 PM CST | TSTM WND DMG | 1 Ne Fulton, MO | CALLAWAY COUNTY SHERIFFS OFFICE REPORTED A TREE DOWN ON A HOUSE IN FULTON. TIME ESTIMATED FROM RADAR. |
| Dec 10, 6:37 PM CST | TSTM WND DMG | 1 Wnw Kingdom City, MO | CALLAWAY COUNTY SHERIFFS OFFICE REPORTED A DOWNED TREE BLOCKING THE ROAD AT OLD U.S. HWY 40 AND STATE HWY FF NEAR KINGDOM CITY. TIME ESTIMATED FROM RADAR. |
| Dec 10, 7:10 PM CST | HAIL 0.88 | Martinsburg, MO | PENNY TO NICKEL SIZED HAIL AND DOWNED POWER LINES REPORTED IN THE CITY OF MARTINSBURG. |
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 10, 5:17 PM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 0.5 hours before the alert went out and 267 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
- 637 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 1113 m above ground
- 0-6 km bulk shear
- 80 kt
- 0-1 km storm-relative helicity
- 344 m²/s²
- 0-3 km storm-relative helicity
- 300 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 8.4
The text
As transmitted.
422
WFUS53 KLSX 110027
TORLSX
MOC007-027-110115-
/O.NEW.KLSX.TO.W.0038.211211T0027Z-211211T0115Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
627 PM CST Fri Dec 10 2021
The National Weather Service in St Louis has issued a
* Tornado Warning for...
South central Audrain County in central Missouri...
Northern Callaway County in central Missouri...
* Until 715 PM CST.
* At 627 PM CST, a severe thunderstorm capable of producing a tornado
was located 7 miles west of Fulton, moving northeast at 70 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 dangerous storm will be near...
Fulton around 630 PM CST.
Auxvasse around 640 PM CST.
Shamrock around 645 PM CST.
Other locations in the path of this tornadic thunderstorm include
Martinsburg.
This includes Interstate 70 in Missouri between exits 137 and 161.
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.
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
&&
LAT...LON 3891 9216 3896 9215 3924 9163 3887 9164
3875 9216 3880 9216 3881 9213 3883 9215
3884 9214 3886 9215 3887 9215 3887 9216
3888 9215 3890 9217
TIME...MOT...LOC 0027Z 237DEG 60KT 3888 9209
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
Britt2 follow-up statements
809
WWUS53 KLSX 110035
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
635 PM CST Fri Dec 10 2021
MOC007-027-110115-
/O.CON.KLSX.TO.W.0038.000000T0000Z-211211T0115Z/
Audrain MO-Callaway MO-
635 PM CST Fri Dec 10 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CST FOR SOUTH
CENTRAL AUDRAIN AND NORTHEASTERN CALLAWAY COUNTIES...
At 634 PM CST, a severe thunderstorm capable of producing a tornado
was located near Auxvasse, moving northeast at 80 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Martinsburg and Shamrock around 645 PM CST.
This includes Interstate 70 in Missouri between exits 144 and 161.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
&&
LAT...LON 3901 9205 3924 9163 3887 9164 3877 9207
TIME...MOT...LOC 0034Z 237DEG 69KT 3897 9190
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
Britt579
WWUS53 KLSX 110101
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
701 PM CST Fri Dec 10 2021
MOC007-027-110111-
/O.CAN.KLSX.TO.W.0038.000000T0000Z-211211T0115Z/
Audrain MO-Callaway MO-
701 PM CST Fri Dec 10 2021
...THE TORNADO WARNING FOR SOUTH CENTRAL AUDRAIN AND NORTHEASTERN
CALLAWAY COUNTIES IS CANCELLED...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 1100 PM CST for central and
east central Missouri.
LAT...LON 3901 9205 3924 9163 3887 9164 3877 9207
TIME...MOT...LOC 0100Z 237DEG 60KT 3922 9140
$$
BrittThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 10, 6:13 PM CST | Severe Thunderstorm Warning | LSX | Boone, Callaway, Cole, Moniteau | 47 min |
| Dec 10, 6:18 PM CST | Severe Thunderstorm Warning | LSX | Cole, Osage | 42 min |
| Dec 10, 6:30 PM CST | Tornado Warning | LSX | Callaway, Cole, Gasconade, Montgomery, Osage | 45 min |
| Dec 10, 6:42 PM CST | Severe Thunderstorm Warning | LSX | Crawford, Franklin, Gasconade, Osage | 48 min |
| Dec 10, 6:42 PM CST | Tornado Warning | LSX | Pike | 48 min |
| Dec 10, 6:49 PM CST | Tornado Warning | LSX | Franklin, Gasconade, Osage, Warren | 41 min |
| Dec 10, 6:50 PM CST | Tornado Warning | LSX | Audrain, Callaway, Montgomery, Pike, Ralls | 40 min |
| Dec 10, 7:00 PM CST | Tornado Warning | LSX | Gasconade, Lincoln, Montgomery, Pike, Warren | 45 min |
| Dec 10, 7:02 PM CST | Tornado Warning | LSX | Crawford, Franklin, Gasconade | 43 min |
| Dec 10, 7:11 PM CST | Tornado Warning | LSX | Lincoln, Montgomery, Pike | 49 min |
| Dec 10, 7:16 PM CST | Tornado Warning | LSX | Franklin, Lincoln, Saint Charles, Warren | 44 min |
| Dec 10, 7:30 PM CST | Tornado Warning | LSX | Lincoln | 45 min |
| Dec 10, 7:35 PM CST | Tornado Warning | LSX | Franklin, Jefferson, Lincoln, Saint Charles, Saint Louis, Warren | 40 min |
| Dec 10, 7:49 PM CST | Severe Thunderstorm Warning | LSX | Crawford, Washington | 26 min |
| Dec 10, 8:06 PM CST | Tornado Warning | LSX | Saint Charles, Saint Louis, City of Saint Louis | 39 min |
| Dec 10, 8:10 PM CST | Severe Thunderstorm Warning | LSX | Franklin | 35 min |
| Dec 10, 8:29 PM CST | Severe Thunderstorm Warning | LSX | Franklin, Jefferson, Saint Louis, City of Saint Louis | 30 min |
| Dec 10, 8:34 PM CST | Severe Thunderstorm Warning | LSX | Crawford, Franklin, Gasconade, Osage | 41 min |
| Dec 10, 8:47 PM CST | Tornado Warning | LSX | Franklin, Gasconade, Warren | 43 min |
| Dec 10, 9:07 PM CST | Severe Thunderstorm Warning | LSX | Franklin, Jefferson, Lincoln, Saint Charles, Saint Louis, Warren and 1 more | 38 min |
| Dec 10, 9:39 PM CST | Tornado Warning | LSX | Saint Charles, Saint Louis | 51 min |
| Dec 10, 10:00 PM CST | Severe Thunderstorm Warning | LSX | Iron, Reynolds | 45 min |
| Dec 10, 10:05 PM CST | Severe Thunderstorm Warning | LSX | City of Saint Louis | 25 min |
| Dec 10, 10:14 PM CST | Tornado Warning | LSX | Iron, Madison, Reynolds | 46 min |
| Dec 10, 10:19 PM CST | Severe Thunderstorm Warning | LSX | Jefferson, Sainte Genevieve, Saint Francois | 41 min |
| Dec 10, 10:26 PM CST | Severe Thunderstorm Warning | LSX | Reynolds | 20 min |
| Dec 10, 10:55 PM CST | Severe Thunderstorm Warning | LSX | Madison | 18 min |
Nearby
Tornado 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.