Alert archive / Missouri / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 32, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Mar 6, 2017, 10:55 PM CST for 11 counties in Missouri; Pike County, Illinois. It was in force for 50 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
- Mar 6, 2017, 10:55 PM CST (04:55 UTC)
- Expired
- Mar 6, 2017, 11:45 PM CST
- In force
- 50 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Pike County, IL, Audrain County, MO, Callaway County, MO, Cole County, MO, Franklin County, MO, Gasconade County, MO, Lincoln County, MO, Montgomery County, MO, Osage County, MO, Pike County, MO, Ralls County, MO, Warren County, MO
The radar
The St Louis radar (KLSX), 91 km from the middle of the area, began a volume at 04:54 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 |
|---|---|---|---|
| Mar 6, 11:05 PM CST | TSTM WND DMG | Frankford, MO | DELAYED REPORT. WINDS OVERTURNED A 16 FOOT DIAMETER POOL WHICH HAD UP TO 1 FOOT OF WATER IN IT. TIME ESTIMATED FROM RADAR. |
| Mar 6, 11:17 PM CST | TORNADO | Rhineland, MO | A NWS STORM SURVEY TEAM DETERMINED AN EF-1 TORNADO BEGAN IN RHINELAND AND MOVED EAST-NORTHEAST ACROSS SOUTHWEST WARREN COUNTY LIFTING AROUND 2 MILES SSE OF WARRENTON. THE PATH LENGTH WAS 21 MILES WITH A MAXIMUM WIDTH OF 150 YARDS. |
| Mar 6, 11:27 PM CST | TORNADO | 5 N Berger, MO | EF1 TORNADO SURVEYED WITH MAXIMUM WINDS OF 100 MPH. THE TORNADO WAS 21 MILES LONG AND 150 YARDS WIDE. THE TORNADO DID MOSTLY TREE DAMAGE....BUT DID ALSO DO SOME STRUCTURAL DAMAGE TO HOMESTEADS AND FARM BUILDINGS FROM RHINELAND MISSOURI TO JUST SOUTH OF WARRENT |
| Mar 6, 11:49 PM CST | TSTM WND GST 60 | Troy, MO |
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 |
|---|---|---|---|
| Mar 6, 8:52 PM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 4.9 hours before the alert went out and 289 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
- 629 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 1110 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 319 m²/s²
- 0-3 km storm-relative helicity
- 542 m²/s²
- Significant tornado parameter
- 1.7
- Supercell composite
- 8.2
The text
As transmitted.
473
WUUS53 KLSX 070455
SVRLSX
ILC149-MOC007-027-051-071-073-113-139-151-163-173-219-070545-
/O.NEW.KLSX.SV.W.0032.170307T0455Z-170307T0545Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service St Louis MO
1055 PM CST MON MAR 6 2017
The National Weather Service in St Louis has issued a
* Severe Thunderstorm Warning for...
Southwestern Pike County in west central Illinois...
Cole County in central Missouri...
Southern Ralls County in northeastern Missouri...
Western Lincoln County in east central Missouri...
Eastern Audrain County in central Missouri...
Montgomery County in east central Missouri...
Callaway County in central Missouri...
Western Franklin County in east central Missouri...
Osage County in central Missouri...
Warren County in east central Missouri...
Pike County in northeastern Missouri...
Gasconade County in east central Missouri...
* Until 1145 PM CST.
* At 1054 PM CST, severe thunderstorms were located along a line
extending from Vandalia to 7 miles northwest of Chamois to near St.
Thomas, moving east at 80 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Jefferson City, Washington, Fulton, Mexico, Troy, Warrenton,
Bowling Green, Vandalia, Louisiana, Holts Summit, Wright City,
Montgomery City, Owensville, Hermann, New Haven, Linn, Wellsville,
Belle, Wardsville and Gerald.
This includes Interstate 70 in Missouri between exits 144 and 200.
This also includes Deutschheim Historic Site, Clarks Hill/Norton
Historic Site, Jefferson Landing Historic Site, and Graham Cave State
Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A tornado watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted, act quickly and move to a
place of safety inside a sturdy structure such as a basement or small
interior room.
For your protection move to an interior room on the lowest floor of a
building.
&&
A tornado watch remains in effect until 400 AM CST for southwestern
and west central Illinois...and central, northeastern and east
central Missouri.
LAT...LON 3864 9225 3865 9222 3934 9176 3934 9172
3940 9171 3962 9119 3961 9088 3940 9090
3940 9094 3938 9090 3876 9096 3827 9117
3830 9219 3834 9220 3834 9241 3842 9241
3843 9246
TIME...MOT...LOC 0454Z 270DEG 70KT 3932 9150 3873 9190 3840 9223
HAIL...1.00IN
WIND...60MPH
$$
Britt3 follow-up statements
241
WWUS53 KLSX 070511
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
1111 PM CST MON MAR 6 2017
ILC149-MOC007-027-051-071-073-113-139-151-163-173-219-070545-
/O.CON.KLSX.SV.W.0032.000000T0000Z-170307T0545Z/
Pike IL-Cole MO-Ralls MO-Lincoln MO-Audrain MO-Montgomery MO-
Callaway MO-Franklin MO-Osage MO-Warren MO-Pike MO-Gasconade MO-
1111 PM CST MON MAR 6 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 PM CST
FOR SOUTHWESTERN PIKE COUNTY IN WEST CENTRAL ILLINOIS...SOUTHEASTERN
COLE COUNTY IN CENTRAL MISSOURI...SOUTHEASTERN RALLS COUNTY IN
NORTHEASTERN MISSOURI...WESTERN LINCOLN COUNTY IN EAST CENTRAL
MISSOURI...EASTERN AUDRAIN COUNTY IN CENTRAL MISSOURI...MONTGOMERY
COUNTY IN EAST CENTRAL MISSOURI...SOUTHEASTERN CALLAWAY COUNTY IN
CENTRAL MISSOURI...WESTERN FRANKLIN COUNTY IN EAST CENTRAL
MISSOURI...OSAGE COUNTY IN CENTRAL MISSOURI...WARREN COUNTY IN EAST
CENTRAL MISSOURI...PIKE COUNTY IN NORTHEASTERN MISSOURI AND GASCONADE
COUNTIES IN EAST CENTRAL MISSOURI...
At 1111 PM CST, severe thunderstorms were located along a line
extending from 6 miles north of Tarrants to near Wellsville to near
Rich Fountain, moving east at 60 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Jefferson City, Washington, Fulton, Troy, Warrenton, Bowling Green,
Vandalia, Louisiana, Holts Summit, Wright City, Montgomery City,
Owensville, Hermann, New Haven, Linn, Wellsville, Belle, Gerald,
Davis and Marthasville.
This also includes Deutschheim Historic Site, Clarks Hill/Norton
Historic Site, and Graham Cave State Park.
This includes Interstate 70 in Missouri between exits 155 and 200.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A tornado watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted act quickly and move to a place
of safety inside a sturdy structure, such as a basement or small
interior room.
For your protection move to an interior room on the lowest floor of a
building.
&&
A tornado watch remains in effect until 400 AM CST for southwestern
and west central Illinois...and central, northeastern and east
central Missouri.
LAT...LON 3891 9187 3905 9178 3921 9170 3933 9161
3948 9152 3962 9119 3961 9088 3940 9090
3940 9094 3938 9090 3876 9096 3827 9117
3830 9219 3834 9220 3853 9214 3868 9209
3882 9196
TIME...MOT...LOC 0511Z 263DEG 50KT 3945 9118 3905 9151 3837 9193
HAIL...1.00IN
WIND...60MPH
$$
Britt397
WWUS53 KLSX 070527
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
1127 PM CST MON MAR 6 2017
MOC051-173-070537-
/O.CAN.KLSX.SV.W.0032.000000T0000Z-170307T0545Z/
Cole MO-Ralls MO-
1127 PM CST MON MAR 6 2017
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN COLE AND
SOUTHEASTERN RALLS 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 400 AM CST for southwestern
and west central Illinois...and central, northeastern and east
central Missouri.
LAT...LON 3941 9139 3960 9118 3962 9119 3961 9088
3940 9090 3940 9094 3937 9090 3876 9096
3827 9117 3830 9209
TIME...MOT...LOC 0527Z 262DEG 45KT 3946 9095 3904 9128 3839 9168
$$
ILC149-MOC007-027-071-073-113-139-151-163-219-070545-
/O.CON.KLSX.SV.W.0032.000000T0000Z-170307T0545Z/
Pike IL-Lincoln MO-Audrain MO-Montgomery MO-Callaway MO-Franklin MO-
Osage MO-Warren MO-Pike MO-Gasconade MO-
1127 PM CST MON MAR 6 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 PM CST
FOR SOUTHWESTERN PIKE COUNTY IN WEST CENTRAL ILLINOIS...WESTERN
LINCOLN COUNTY IN EAST CENTRAL MISSOURI...EAST CENTRAL AUDRAIN COUNTY
IN CENTRAL MISSOURI...MONTGOMERY COUNTY IN EAST CENTRAL MISSOURI...
SOUTHEASTERN CALLAWAY COUNTY IN CENTRAL MISSOURI...WESTERN FRANKLIN
COUNTY IN EAST CENTRAL MISSOURI...OSAGE COUNTY IN CENTRAL MISSOURI...
WARREN COUNTY IN EAST CENTRAL MISSOURI...PIKE COUNTY IN NORTHEASTERN
MISSOURI AND GASCONADE COUNTIES IN EAST CENTRAL MISSOURI...
At 1127 PM CST, severe thunderstorms were located along a line
extending from near Pleasant Hill to near Bellflower to 6 miles
northwest of Bland, moving east at 50 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Washington, Troy, Warrenton, Bowling Green, Louisiana, Wright City,
Montgomery City, Owensville, Hermann, New Haven, Linn, Wellsville,
Belle, Gerald, Davis, Marthasville, New Florence, Jonesburg,
Truesdale and Hawk Point.
This also includes Deutschheim Historic Site, Cuivre River State
Park, and Graham Cave State Park.
This includes Interstate 70 in Missouri between exits 161 and 200.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A tornado watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted act quickly and move to a place
of safety inside a sturdy structure, such as a basement or small
interior room.
For your protection move to an interior room on the lowest floor of a
building.
&&
A tornado watch remains in effect until 400 AM CST for southwestern
and west central Illinois...and central, northeastern and east
central Missouri.
LAT...LON 3941 9139 3960 9118 3962 9119 3961 9088
3940 9090 3940 9094 3937 9090 3876 9096
3827 9117 3830 9209
TIME...MOT...LOC 0527Z 262DEG 45KT 3946 9095 3904 9128 3839 9168
HAIL...1.00IN
WIND...60MPH
$$
Britt351
WWUS53 KLSX 070541
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
1141 PM CST MON MAR 6 2017
ILC149-MOC007-027-071-073-113-139-151-163-219-070550-
/O.EXP.KLSX.SV.W.0032.000000T0000Z-170307T0545Z/
Pike IL-Lincoln MO-Audrain MO-Montgomery MO-Callaway MO-Franklin MO-
Osage MO-Warren MO-Pike MO-Gasconade MO-
1141 PM CST MON MAR 6 2017
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN PIKE COUNTY IN
WEST CENTRAL ILLINOIS...WESTERN LINCOLN COUNTY IN EAST CENTRAL
MISSOURI...EAST CENTRAL AUDRAIN COUNTY IN CENTRAL MISSOURI...
MONTGOMERY COUNTY IN EAST CENTRAL MISSOURI...SOUTHEASTERN CALLAWAY
COUNTY IN CENTRAL MISSOURI...WESTERN FRANKLIN COUNTY IN EAST CENTRAL
MISSOURI...OSAGE COUNTY IN CENTRAL MISSOURI...WARREN COUNTY IN EAST
CENTRAL MISSOURI...PIKE COUNTY IN NORTHEASTERN MISSOURI AND GASCONADE
COUNTIES IN EAST CENTRAL MISSOURI WILL EXPIRE AT 1145 PM CST...
The storms which prompted the warning have weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.
A tornado watch remains in effect until 400 AM CST for southwestern
and west central Illinois...and central, northeastern and east
central Missouri.
LAT...LON 3941 9139 3960 9118 3962 9119 3961 9088
3940 9090 3940 9094 3937 9090 3876 9096
3827 9117 3830 9209
TIME...MOT...LOC 0540Z 270DEG 70KT 3946 9065 3904 9099 3839 9139
$$
BrittThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 6, 9:33 PM CST | Severe Thunderstorm Warning | LSX | Knox, Lewis, Marion, Monroe, Ralls, Shelby | 57 min |
| Mar 6, 9:42 PM CST | Tornado Warning | LSX | Knox, Shelby | 28 min |
| Mar 6, 9:54 PM CST | Severe Thunderstorm Warning | LSX | Audrain, Boone, Callaway, Cole, Moniteau | 66 min |
| Mar 6, 10:01 PM CST | Tornado Warning | LSX | Boone, Moniteau | 29 min |
| Mar 6, 10:02 PM CST | Tornado Warning | LSX | Lewis, Marion, Shelby | 28 min |
| Mar 6, 10:20 PM CST | Severe Thunderstorm Warning | LSX | Lewis, Marion, Ralls | 55 min |
| Mar 6, 10:22 PM CST | Tornado Warning | LSX | Lewis, Marion | 30 min |
| Mar 7, 12:00 AM CST | Severe Thunderstorm Warning | LSX | Crawford, Washington | 60 min |
| Mar 7, 12:08 AM CST | Severe Thunderstorm Warning | LSX | Saint Charles, Saint Louis | 52 min |
| Mar 7, 12:34 AM CST | Tornado Warning | LSX | Jefferson | 26 min |
| Mar 7, 12:48 AM CST | Severe Thunderstorm Warning | LSX | Jefferson, Saint Louis | 57 min |
| Mar 7, 4:00 AM CST | Red Flag Warning | LSX | Audrain, Boone, Callaway, Cole, Franklin, Gasconade and 13 more | 15 hr |
| Mar 7, 12:55 AM CST | Severe Thunderstorm Warning | LSX | Macoupin, Montgomery | 39 min |
| Mar 7, 1:11 AM CST | Tornado Warning | LSX | Fayette, Montgomery | 21 min |
| Mar 7, 1:35 AM CST | Severe Thunderstorm Warning | LSX | Clinton, Marion, Randolph, Saint Clair, Washington | 43 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 2017Severe Thunderstorm Warnings in Illinois, 2017Every severe thunderstorm warning in 2017
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.