Alert archive / Missouri / Tornado Warnings in 2020
Tornado Warning 2, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Jan 10, 2020, 6:35 PM CST for 6 counties in Missouri; Calhoun County, Pike County, Illinois. It was in force for 40 min. 1 report 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
- Jan 10, 2020, 6:35 PM CST (00:35 UTC)
- Expired
- Jan 10, 2020, 7:15 PM CST
- In force
- 40 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Calhoun County, IL, Pike County, IL, Franklin County, MO, Lincoln County, MO, Montgomery County, MO, Pike County, MO, Saint Charles County, MO, Warren County, MO
The radar
The St Louis radar (KLSX), 46 km from the middle of the area, began a volume at 00:37 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 |
|---|---|---|---|
| Jan 10, 6:47 PM CST | TSTM WND DMG | 4 S Wright City, MO | TREE LIMBS DOWN IN INNSBROOK. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 0.6 hours before the alert went out and 241 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 506 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 132 m²/s²
- 0-3 km storm-relative helicity
- 184 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
818
WFUS53 KLSX 110035
TORLSX
ILC013-149-MOC071-113-139-163-183-219-110115-
/O.NEW.KLSX.TO.W.0002.200111T0035Z-200111T0115Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
635 PM CST Fri Jan 10 2020
The National Weather Service in St Louis has issued a
* Tornado Warning for...
Calhoun County in southwestern Illinois...
Southeastern Pike County in west central Illinois...
Northwestern St. Charles County in east central Missouri...
Lincoln County in east central Missouri...
Northeastern Montgomery County in east central Missouri...
Northwestern Franklin County in east central Missouri...
Warren County in east central Missouri...
Southeastern Pike County in northeastern Missouri...
* Until 715 PM CST.
* At 635 PM CST, severe thunderstorms capable of producing tornadoes
were located along a line extending from near Bellflower to near
Jonesburg to Treloar, moving northeast at 60 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.
* These dangerous storms will be near...
Warrenton and Truesdale around 640 PM CST.
Wright City, Hawk Point and Innsbrook around 650 PM CST.
Troy, Moscow Mills and Davis around 655 PM CST.
Wentzville, Lake St. Louis, Eolia and Josephville around 700 PM
CST.
St. Paul, Fountain N' Lakes and Chain of Rocks around 705 PM CST.
Elsberry, Winfield and Clarksville around 710 PM CST.
Hardin and Belleview around 715 PM CST.
Other locations impacted by these tornadic storms include Nebo,
Whiteside, Brussels, Mozier, Batchtown, High Hill, Meppen, Olney,
Hamburg and Silex.
This also includes Cuivre River State Park.
This includes Interstate 70 in Missouri between exits 179 and 219.
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 3950 9071 3884 9055 3858 9128 3875 9134
3901 9142
TIME...MOT...LOC 0035Z 230DEG 51KT 3900 9131 3882 9126 3865 9122
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
Britt3 follow-up statements
301
WWUS53 KLSX 110048
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
648 PM CST Fri Jan 10 2020
MOC071-139-110057-
/O.CAN.KLSX.TO.W.0002.000000T0000Z-200111T0115Z/
Montgomery MO-Franklin MO-
648 PM CST Fri Jan 10 2020
...THE TORNADO WARNING FOR NORTHEASTERN MONTGOMERY AND NORTHWESTERN
FRANKLIN COUNTIES IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
LAT...LON 3950 9071 3884 9055 3862 9118 3882 9123
3912 9126
TIME...MOT...LOC 0047Z 249DEG 43KT 3908 9118 3891 9115 3885 9107 3872
9104
$$
ILC013-149-MOC113-163-183-219-110115-
/O.CON.KLSX.TO.W.0002.000000T0000Z-200111T0115Z/
Calhoun IL-Pike IL-St. Charles MO-Lincoln MO-Warren MO-Pike MO-
648 PM CST Fri Jan 10 2020
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CST FOR CALHOUN
COUNTY IN SOUTHWESTERN ILLINOIS...SOUTHEASTERN PIKE COUNTY IN WEST
CENTRAL ILLINOIS...NORTHWESTERN ST. CHARLES...LINCOLN...EASTERN
WARREN COUNTIES IN EAST CENTRAL MISSOURI AND SOUTHEASTERN PIKE
COUNTIES IN NORTHEASTERN MISSOURI...
At 647 PM CST, severe thunderstorms capable of producing tornadoes
were located along a line extending from 8 miles west of Davis to
near Hawk Point to near Wright City to near Innsbrook, moving east at
50 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.
These dangerous storms will be near...
Davis around 655 PM CST.
Wentzville and Troy around 700 PM CST.
Lake St. Louis, Moscow Mills, Eolia, Josephville, Fountain N'
Lakes and Chain of Rocks around 705 PM CST.
O'Fallon, Dardenne Prairie and St. Paul around 710 PM CST.
St. Peters, Elsberry and Winfield around 715 PM CST.
Other locations impacted by these tornadic storms include Nebo,
Whiteside, Brussels, Mozier, Batchtown, Meppen, Olney, Hamburg, Silex
and Flint Hill.
This also includes Cuivre River State Park.
This includes Interstate 70 in Missouri between exits 188 and 219.
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 3950 9071 3884 9055 3862 9118 3882 9123
3912 9126
TIME...MOT...LOC 0047Z 249DEG 43KT 3908 9118 3891 9115 3885 9107 3872
9104
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
Britt016
WWUS53 KLSX 110101
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
701 PM CST Fri Jan 10 2020
ILC149-MOC163-219-110111-
/O.CAN.KLSX.TO.W.0002.000000T0000Z-200111T0115Z/
Pike IL-Warren MO-Pike MO-
701 PM CST Fri Jan 10 2020
...THE TORNADO WARNING FOR SOUTHEASTERN PIKE COUNTY IN WEST CENTRAL
ILLINOIS...EASTERN WARREN COUNTY IN EAST CENTRAL MISSOURI AND
SOUTHEASTERN PIKE COUNTIES IN NORTHEASTERN MISSOURI IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
LAT...LON 3924 9065 3884 9055 3869 9105 3891 9112
3913 9110
TIME...MOT...LOC 0101Z 224DEG 62KT 3912 9087 3897 9083 3879 9088
$$
ILC013-MOC113-183-110115-
/O.CON.KLSX.TO.W.0002.000000T0000Z-200111T0115Z/
Calhoun IL-St. Charles MO-Lincoln MO-
701 PM CST Fri Jan 10 2020
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CST FOR SOUTH
CENTRAL CALHOUN...NORTHWESTERN ST. CHARLES AND LINCOLN COUNTIES...
At 701 PM CST, severe thunderstorms capable of producing tornadoes
were located along a line extending from near Elsberry to Fountain N'
Lakes to Wentzville, 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.
These dangerous storms will be near...
Elsberry and Winfield around 705 PM CST.
Hardin around 715 PM CST.
Other locations impacted by these tornadic storms include Brussels,
Cave, Foristell, Golden Eagle, Batchtown, Meppen, Foley, Silex, New
Hope and Flint Hill.
This also includes Cuivre River State Park.
This includes Interstate 70 in Missouri between exits 199 and 219.
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 3924 9065 3884 9055 3869 9105 3891 9112
3913 9110
TIME...MOT...LOC 0101Z 224DEG 62KT 3912 9087 3897 9083 3879 9088
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
Britt930
WWUS53 KLSX 110111
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
711 PM CST Fri Jan 10 2020
ILC013-MOC113-183-110120-
/O.EXP.KLSX.TO.W.0002.000000T0000Z-200111T0115Z/
Calhoun IL-St. Charles MO-Lincoln MO-
711 PM CST Fri Jan 10 2020
...THE TORNADO WARNING FOR SOUTH CENTRAL CALHOUN...NORTHWESTERN ST.
CHARLES AND LINCOLN COUNTIES WILL EXPIRE AT 715 PM CST...
The storms which prompted the warning have weakened below severe
limits, and no longer appear capable of producing a tornado.
Therefore, the warning will be allowed to expire.
Remember, a Severe Thunderstorm Warning still remains in effect for
parts of Calhoun, St. Charles, and Lincoln Counties until 8 pm.
LAT...LON 3924 9065 3884 9055 3869 9105 3891 9112
3913 9110
TIME...MOT...LOC 0110Z 230DEG 51KT 3920 9075 3905 9071 3887 9076
$$
BrittThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 10, 6:09 PM CST | Tornado Warning | LSX | Franklin, Gasconade, Montgomery, Osage, Warren | 36 min |
| Jan 10, 6:52 PM CST | Flash Flood Warning | LSX | Callaway, Gasconade, Lincoln, Montgomery, Osage, Warren | 6 hr |
| Jan 10, 7:09 PM CST | Severe Thunderstorm Warning | LSX | Lincoln, Pike, Saint Charles | 51 min |
| Jan 10, 7:46 PM CST | Flash Flood Warning | LSX | Callaway, Cole, Osage | 6 hr |
| Jan 10, 9:25 PM CST | Areal Flood Warning | LSX | Audrain, Boone, Callaway, Cole, Moniteau, Montgomery and 1 more | 9 hr |
| Jan 10, 9:31 PM CST | Areal Flood Warning | LSX | Franklin, Gasconade, Lincoln, Saint Charles, Warren | 15 hr |
| Jan 10, 10:49 PM CST | Areal Flood Warning | LSX | Crawford, Franklin, Jefferson, Saint Charles, Saint Louis, Washington and 1 more | 15 hr |
| Jan 11, 12:36 AM CST | Areal Flood Warning | LSX | Callaway, Gasconade, Lincoln, Montgomery, Osage, Warren | 12 hr |
| Jan 11, 1:38 AM CST | Areal Flood Warning | LSX | Callaway, Cole, Osage | 9 hr |
| Jan 11, 2:28 AM CST | Areal Flood Advisory | LSX | Iron, Jefferson, Madison, Reynolds, Sainte Genevieve, Saint Francois | 11 hr |
| Jan 11, 4:47 AM CST | River Flood Warning | LSX | Crawford | 40 hr |
| Jan 11, 6:28 AM CST | River Flood Warning | LSX | Lincoln | 52 hr |
| Jan 11, 8:29 AM CST | River Flood Warning | LSX | Saint Charles | 4 days |
| Jan 11, 8:32 AM CST | River Flood Warning | LSX | Franklin, Warren | 3 days |
| Jan 11, 8:34 AM CST | River Flood Warning | LSX | Saint Charles, Saint Louis | 70 hr |
| Jan 11, 12:02 PM CST | River Flood Warning | LSX | Saint Charles | 5 days |
| Jan 11, 12:02 PM CST | River Flood Warning | LSX | Saint Louis, City of Saint Louis | 4 days |
| Jan 11, 12:29 PM CST | Areal Flood Warning | LSX | Callaway, Cole, Crawford, Franklin, Gasconade, Iron and 9 more | 23 hr |
| Jan 11, 1:43 PM CST | Areal Flood Warning | LSX | Iron, Jefferson, Madison, Reynolds, Sainte Genevieve, Saint Francois and 2 more | 22 hr |
| Jan 10, 10:39 PM CST | Areal Flood Warning | LSX | Jersey, Macoupin, Montgomery | 15 hr |
| Jan 10, 10:51 PM CST | Areal Flood Warning | LSX | Fayette, Marion | 15 hr |
| Jan 11, 10:45 AM CST | River Flood Warning | LSX | Calhoun, Greene, Jersey | 5 days |
Nearby
Tornado Warnings in Missouri, 2020Tornado Warnings in Illinois, 2020Every tornado warning in 2020Tornadoes in 2020
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.