Alert archive / Illinois / Tornado Warnings in 2021
Tornado Warning 48, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Dec 10, 2021, 7:30 PM CST for Lincoln County, Missouri; Calhoun County, Greene County, Jersey County, Illinois. It was in force for 45 min. 3 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, 7:30 PM CST (01:30 UTC)
- Expired
- Dec 10, 2021, 8:15 PM CST
- In force
- 45 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
Counties Calhoun County, IL, Greene County, IL, Jersey County, IL, Lincoln County, MO
The radar
The St Louis radar (KLSX), 69 km from the middle of the area, began a volume at 01:30 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, 7:43 PM CST | TSTM WND DMG | 1 Wnw Berdan, IL | GREEN COUNTY DISPATCH REPORTED A HAY WAGON WAS BLOWN ONTO HWY 67 BETWEEN WHITE HALL AND CARROLLTON. TIME ESTIMATED USING RADAR. |
| Dec 10, 7:45 PM CST | TSTM WND DMG | Carrollton, IL | A COUCH WAS BLOWN ONTO HWY 67 AT CHURCH ST. IN CARROLLTON. TIME ESTIMATED USING RADAR. |
| Dec 10, 8:00 PM CST | TSTM WND DMG | 1 W Greenfield, IL | GREENE COUNTY DISPATCH REPORTED POWER LINES BLOWN DOWN AT SHEFFIELD STREET AND BROOKLEY STREET IN GREENFIELD. TIME ESTIMATED USING 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 10, 5:17 PM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 1.5 hours before the alert went out and 188 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
- 119 J/kg
- Mixed-layer CIN
- -33 J/kg
- Mixed-layer LCL
- 662 m above ground
- 0-6 km bulk shear
- 73 kt
- 0-1 km storm-relative helicity
- 341 m²/s²
- 0-3 km storm-relative helicity
- 357 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
740
WFUS53 KLSX 110130
TORLSX
ILC013-061-083-MOC113-110215-
/O.NEW.KLSX.TO.W.0048.211211T0130Z-211211T0215Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
730 PM CST Fri Dec 10 2021
The National Weather Service in St Louis has issued a
* Tornado Warning for...
Central Calhoun County in southwestern Illinois...
Greene County in southwestern Illinois...
Northern Jersey County in southwestern Illinois...
Northeastern Lincoln County in east central Missouri...
* Until 815 PM CST.
* At 729 PM CST, a severe thunderstorm capable of producing a tornado
was located over Hardin, moving northeast at 70 mph.
HAZARD...Tornado and quarter size hail.
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...
Old Kane around 740 PM CST.
Carrollton around 745 PM CST.
Other locations in the path of this tornadic thunderstorm include
Greenfield and Athensville.
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 3952 9015 3918 9015 3900 9070 3922 9079
3922 9072 3925 9073 3927 9075 3952 9038
TIME...MOT...LOC 0129Z 234DEG 61KT 3915 9062
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
$$
Britt2 follow-up statements
264
WWUS53 KLSX 110142
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
742 PM CST Fri Dec 10 2021
ILC013-061-083-MOC113-110215-
/O.CON.KLSX.TO.W.0048.000000T0000Z-211211T0215Z/
Calhoun IL-Greene IL-Jersey IL-Lincoln MO-
742 PM CST Fri Dec 10 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM CST FOR CENTRAL
CALHOUN...GREENE...NORTHERN JERSEY AND NORTHEASTERN LINCOLN
COUNTIES...
At 741 PM CST, a severe thunderstorm capable of producing a tornado
was located near Old Kane, moving northeast at 60 mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Carrollton around 745 PM CST.
Other locations in the path of this tornadic thunderstorm include
Greenfield and Athensville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
&&
LAT...LON 3952 9015 3918 9015 3900 9070 3922 9079
3922 9072 3925 9073 3927 9075 3952 9038
TIME...MOT...LOC 0141Z 235DEG 51KT 3923 9044
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
$$
Britt485
WWUS53 KLSX 110207
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
807 PM CST Fri Dec 10 2021
ILC013-061-083-MOC113-110217-
/O.EXP.KLSX.TO.W.0048.000000T0000Z-211211T0215Z/
Calhoun IL-Greene IL-Jersey IL-Lincoln MO-
807 PM CST Fri Dec 10 2021
...THE TORNADO WARNING FOR CENTRAL CALHOUN...GREENE...NORTHERN JERSEY
AND NORTHEASTERN LINCOLN COUNTIES WILL EXPIRE AT 815 PM CST...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.
A Tornado Watch remains in effect until 1100 PM CST for southwestern
Illinois...and northeastern and east central Missouri.
LAT...LON 3952 9015 3918 9015 3900 9070 3922 9079
3922 9072 3925 9073 3927 9075 3952 9038
TIME...MOT...LOC 0207Z 234DEG 61KT 3949 8998
$$
19The 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, 6:27 PM CST | Tornado Warning | LSX | Audrain, Callaway | 34 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, 7:35 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 |
| Dec 10, 7:16 PM CST | Tornado Warning | LSX | Pike | 14 min |
| Dec 10, 7:36 PM CST | Tornado Warning | LSX | Pike | 21 min |
| Dec 10, 8:33 PM CST | Tornado Warning | LSX | Bond, Madison | 42 min |
| Dec 10, 8:37 PM CST | Tornado Warning | LSX | Macoupin, Madison | 17 min |
| Dec 10, 8:44 PM CST | Tornado Warning | LSX | Fayette, Macoupin, Madison, Montgomery | 46 min |
| Dec 10, 8:56 PM CST | Tornado Warning | LSX | Bond, Fayette, Montgomery | 34 min |
| Dec 10, 10:18 PM CST | Severe Thunderstorm Warning | LSX | Bond, Fayette, Macoupin, Madison, Montgomery | 57 min |
| Dec 10, 10:26 PM CST | Tornado Warning | LSX | Bond, Fayette, Montgomery | 49 min |
| Dec 10, 10:51 PM CST | Severe Thunderstorm Warning | LSX | Clinton, Saint Clair, Washington | 39 min |
| Dec 10, 11:02 PM CST | Tornado Warning | LSX | Fayette | 29 min |
| Dec 10, 11:10 PM CST | Tornado Warning | LSX | Clinton, Marion, Washington | 50 min |
Nearby
Tornado Warnings in Illinois, 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.