Alert archive / Missouri / Tornado Warnings in 2020
Tornado Warning 1, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Jan 10, 2020, 6:09 PM CST for 5 counties in Missouri. It was in force for 36 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jan 10, 2020, 6:09 PM CST (00:09 UTC)
- Expired
- Jan 10, 2020, 6:45 PM CST
- In force
- 36 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Franklin County, MO, Gasconade County, MO, Montgomery County, MO, Osage County, MO, Warren County, MO
The radar
The St Louis radar (KLSX), 66 km from the middle of the area, began a volume at 00:08 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.
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 0.2 hours before the alert went out and 287 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.
101
WFUS53 KLSX 110009
TORLSX
MOC071-073-139-151-219-110045-
/O.NEW.KLSX.TO.W.0001.200111T0009Z-200111T0045Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
609 PM CST Fri Jan 10 2020
The National Weather Service in St Louis has issued a
* Tornado Warning for...
Southern Montgomery County in east central Missouri...
Northwestern Franklin County in east central Missouri...
Northeastern Osage County in central Missouri...
Central Warren County in east central Missouri...
Northern Gasconade County in east central Missouri...
* Until 645 PM CST.
* At 609 PM CST, a severe thunderstorm capable of producing a tornado
was located 8 miles north of Mount Sterling, 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.
* This dangerous storm will be near...
Swiss around 615 PM CST.
Hermann and Big Spring around 625 PM CST.
Jonesburg around 635 PM CST.
Warrenton and Truesdale around 640 PM CST.
Other locations impacted by this tornadic thunderstorm include
Gasconade, Berger, Americus, Morrison, High Hill, Holstein, Bay,
McKittrick and Rhineland.
This also includes Deutschheim Historic Site.
This includes Interstate 70 in Missouri between exits 179 and 193.
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 3871 9169 3870 9165 3874 9165 3904 9127
3900 9126 3899 9121 3893 9119 3893 9118
3866 9106 3845 9166 3864 9177
TIME...MOT...LOC 0009Z 232DEG 53KT 3858 9163
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
Britt2 follow-up statements
053
WWUS53 KLSX 110019
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
619 PM CST Fri Jan 10 2020
MOC151-110028-
/O.CAN.KLSX.TO.W.0001.000000T0000Z-200111T0045Z/
Osage MO-
619 PM CST Fri Jan 10 2020
...THE TORNADO WARNING FOR NORTHEASTERN OSAGE COUNTY IS CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
LAT...LON 3904 9127 3900 9126 3899 9121 3893 9119
3893 9118 3866 9106 3849 9153 3850 9154
3865 9159 3870 9165 3874 9165
TIME...MOT...LOC 0018Z 234DEG 53KT 3868 9149
$$
MOC071-073-139-219-110045-
/O.CON.KLSX.TO.W.0001.000000T0000Z-200111T0045Z/
Montgomery MO-Franklin MO-Warren MO-Gasconade MO-
619 PM CST Fri Jan 10 2020
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CST FOR SOUTHERN
MONTGOMERY...NORTHWESTERN FRANKLIN...CENTRAL WARREN AND NORTHEASTERN
GASCONADE COUNTIES...
At 618 PM CST, a severe thunderstorm capable of producing a tornado
was located near Hermann, 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.
This dangerous storm will be near...
Jonesburg around 635 PM CST.
Warrenton and Truesdale around 640 PM CST.
Other locations impacted by this tornadic thunderstorm include
Gasconade, Berger, Americus, High Hill, Holstein, McKittrick and
Rhineland.
This also includes Deutschheim Historic Site.
This includes Interstate 70 in Missouri between exits 179 and 193.
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 3904 9127 3900 9126 3899 9121 3893 9119
3893 9118 3866 9106 3849 9153 3850 9154
3865 9159 3870 9165 3874 9165
TIME...MOT...LOC 0018Z 234DEG 53KT 3868 9149
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
Britt157
WWUS53 KLSX 110030
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
630 PM CST Fri Jan 10 2020
MOC071-073-139-219-110045-
/O.CON.KLSX.TO.W.0001.000000T0000Z-200111T0045Z/
Montgomery MO-Franklin MO-Warren MO-Gasconade MO-
630 PM CST Fri Jan 10 2020
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CST FOR
SOUTHEASTERN MONTGOMERY...NORTHWESTERN FRANKLIN...CENTRAL WARREN AND
NORTHEASTERN GASCONADE COUNTIES...
At 629 PM CST, a severe thunderstorm capable of producing a tornado
was located near Jonesburg, moving northeast at 55 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Warrenton and Truesdale around 640 PM CST.
Other locations impacted by this tornadic thunderstorm include
Berger, Holstein, McKittrick and High Hill.
This also includes Deutschheim Historic Site.
This includes Interstate 70 in Missouri between exits 179 and 193.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3904 9127 3900 9126 3899 9121 3893 9119
3893 9118 3866 9106 3852 9145 3866 9144
3877 9147 3887 9149
TIME...MOT...LOC 0029Z 230DEG 48KT 3879 9131
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
BrittThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 10, 6:35 PM CST | Tornado Warning | LSX | Franklin, Lincoln, Montgomery, Pike, Saint Charles, Warren | 40 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 |
Nearby
Tornado Warnings in Missouri, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.