Alert archive / Missouri / Tornado Warnings in 2017
Tornado Warning 10, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Mar 6, 2017, 10:01 PM CST for Boone County, Moniteau County, Missouri. It was in force for 29 min. 5 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, 10:01 PM CST (04:01 UTC)
- Expired
- Mar 6, 2017, 10:30 PM CST
- In force
- 29 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Boone County, MO, Moniteau County, MO
The radar
The St Louis radar (KLSX), 157 km from the middle of the area, began a volume at 04:02 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, 10:07 PM CST | HAIL 0.75 | 8 S Harrisburg, MO | |
| Mar 6, 10:20 PM CST | HAIL 1.75 | Columbia, MO | |
| Mar 6, 10:30 PM CST | TSTM WND DMG | Columbia, MO | PARTS OF STRIP MALL ROOF BLOWN OFF INTO PARKING LOT |
| Mar 6, 10:30 PM CST | TSTM WND DMG | Columbia, MO | PARTS OF STRIP MALL ROOF BLOWN OFF INTO PARKING LOT. INTERSECTION OF VANDIVER AND PROVIDENCE |
| Mar 6, 10:30 PM CST | TSTM WND DMG | Hallsville, MO | LARGE TREE LIMBS AND BRANCHES DOWN. |
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, 4.0 hours before the alert went out and 259 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.
768
WFUS53 KLSX 070401
TORLSX
MOC019-135-070430-
/O.NEW.KLSX.TO.W.0010.170307T0401Z-170307T0430Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
1001 PM CST MON MAR 6 2017
The National Weather Service in St Louis has issued a
* Tornado Warning for...
Central Boone County in central Missouri...
Northeastern Moniteau County in central Missouri...
* Until 1030 PM CST.
* At 1000 PM CST, a severe thunderstorm capable of producing a
tornado was located over Rocheport, moving east 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.
* Locations impacted include...
Columbia, Hallsville, Rocheport, Murry, Midway, Lupus and McBaine.
This also includes Rock Bridge State Park, Finger Lakes State Park,
and Jewell Cemetery Historic Site.
This includes Interstate 70 in Missouri between exits 115 and 133.
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 3899 9256 3901 9256 3909 9251 3914 9216
3886 9217 3884 9254 3892 9250 3898 9257
TIME...MOT...LOC 0400Z 265DEG 49KT 3897 9256
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
Kanofsky2 follow-up statements
358
WWUS53 KLSX 070416 RRA
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
1016 PM CST MON MAR 6 2017
MOC135-070425-
/O.CAN.KLSX.TO.W.0010.000000T0000Z-170307T0430Z/
Moniteau MO-
1016 PM CST MON MAR 6 2017
...THE TORNADO WARNING FOR NORTHEASTERN MONITEAU COUNTY IS
CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A tornado watch remains in effect until 400 AM CST for central
Missouri.
LAT...LON 3901 9248 3908 9243 3914 9216 3886 9217
3889 9245 3894 9249
TIME...MOT...LOC 0415Z 268DEG 41KT 3899 9234
$$
MOC019-070430-
/O.CON.KLSX.TO.W.0010.000000T0000Z-170307T0430Z/
Boone MO-
1016 PM CST MON MAR 6 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1030 PM CST FOR CENTRAL
BOONE COUNTY...
At 1015 PM CST, a severe thunderstorm capable of producing a tornado
was located over Columbia, 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.
Locations impacted include...
Columbia, Hallsville, Murry and Midway.
This also includes Finger Lakes State Park and Jewell Cemetery
Historic Site.
This includes Interstate 70 in Missouri between exits 121 and 133.
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 9248 3908 9243 3914 9216 3886 9217
3889 9245 3894 9249
TIME...MOT...LOC 0415Z 268DEG 41KT 3899 9234
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
Britt128
WWUS53 KLSX 070428
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
1028 PM CST MON MAR 6 2017
MOC019-070436-
/O.EXP.KLSX.TO.W.0010.000000T0000Z-170307T0430Z/
Boone MO-
1028 PM CST MON MAR 6 2017
...THE TORNADO WARNING FOR CENTRAL BOONE COUNTY WILL EXPIRE AT 1030
PM CST...
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.
A tornado watch remains in effect until 400 AM CST for central
Missouri.
Remember, a Severe Thunderstorm Warning still remains in effect for
Boone County until 11 pm CST.
LAT...LON 3901 9248 3908 9243 3914 9216 3886 9217
3889 9245 3894 9249
TIME...MOT...LOC 0426Z 265DEG 49KT 3900 9216
$$
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, 10:02 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 6, 10:55 PM CST | Severe Thunderstorm Warning | LSX | Audrain, Callaway, Cole, Franklin, Gasconade, Lincoln and 5 more | 50 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 |
Nearby
Tornado Warnings in Missouri, 2017Every tornado warning in 2017Tornadoes 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.