Alert archive / Illinois / Tornado Warnings in 2017
Tornado Warning 12, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Mar 6, 2017, 10:22 PM CST for Adams County, Brown County, Illinois; Lewis County, Marion County, Missouri. It was in force for 30 min. 6 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, 10:22 PM CST (04:22 UTC)
- Expired
- Mar 6, 2017, 10:52 PM CST
- In force
- 30 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Tornado
- Observed
- Hail
- 1.0 in
Counties Adams County, IL, Brown County, IL, Lewis County, MO, Marion County, MO
The radar
The St Louis radar (KLSX), 145 km from the middle of the area, began a volume at 04:25 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, 10:24 PM CST | HAIL 0.7 | La Grange, MO | |
| Mar 6, 10:25 PM CST | HAIL 1.75 | La Grange, MO | |
| Mar 6, 10:30 PM CST | TSTM WND GST 52 | Quincy, IL | |
| Mar 6, 10:30 PM CST | HAIL 1 | Quincy, IL | |
| Mar 6, 10:41 PM CST | TSTM WND GST 61 | 10 E Quincy, IL | |
| Mar 6, 10:41 PM CST | TSTM WND GST 61 | 4 Ne Burton, IL |
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
Davenport, (KDVN), launched 00:00Z, 4.4 hours before the alert went out and 195 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
- 39 J/kg
- Mixed-layer CIN
- -343 J/kg
- Mixed-layer LCL
- 1016 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 407 m²/s²
- 0-3 km storm-relative helicity
- 489 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
898
WFUS53 KLSX 070422
TORLSX
ILC001-009-MOC111-127-070515-
/O.NEW.KLSX.TO.W.0012.170307T0422Z-170307T0515Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
1022 PM CST MON MAR 6 2017
The National Weather Service in St Louis has issued a
* Tornado Warning for...
Adams County in west central Illinois...
Western Brown County in west central Illinois...
Northeastern Marion County in northeastern Missouri...
Southeastern Lewis County in northeastern Missouri...
* Until 1115 PM CST.
* At 1022 PM CST, a confirmed tornado was located near Maywood,
moving east at 55 mph.
HAZARD...Damaging tornado and quarter size hail.
SOURCE...Weather spotters confirmed tornado. Several circulations
are present and tornadoes have been reported east of
Ewing and west of Palmyra.
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...
Quincy, Palmyra, Quincy Regional Airport, Camp Point, Payson,
Mendon, La Grange, Clayton, Golden, Maywood, Adams, Burton, Ursa,
Liberty, Taylor, Coatsburg, Mound Station, Columbus, La Prairie and
Marblehead.
This also includes Wakonda State Park and Siloam Springs State Park.
This includes Interstate 172 between exits 10 and 19.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a tornado is on the ground. 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 3985 9083 3978 9161 4008 9172 4018 9093
TIME...MOT...LOC 0422Z 261DEG 48KT 3996 9152
TORNADO...OBSERVED
HAIL...1.00IN
$$
Kanofsky3 follow-up statements
661
WWUS53 KLSX 070433
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
1033 PM CST MON MAR 6 2017
ILC001-009-MOC111-127-070515-
/O.CON.KLSX.TO.W.0012.000000T0000Z-170307T0515Z/
Adams IL-Brown IL-Marion MO-Lewis MO-
1033 PM CST MON MAR 6 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 PM CST FOR ADAMS...
WESTERN BROWN...NORTHEASTERN MARION AND SOUTHEASTERN LEWIS
COUNTIES...
At 1032 PM CST, a severe thunderstorm capable of producing a tornado
was located near Quincy, moving east at 55 mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation. Damage was reported in Emden and
tornadoes have been previously reported east of Ewing and
west of Palmyra with this storm.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Quincy, Quincy Regional Airport, Camp Point, Mendon, La Grange,
Clayton, Golden, Adams, Burton, Ursa, Liberty, Taylor, Coatsburg,
Mound Station, Columbus, La Prairie, Marblehead, Paloma, Fowler and
Kellerville.
This also includes Wakonda State Park and Siloam Springs State Park.
This includes Interstate 172 between exits 10 and 19.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
&&
LAT...LON 3985 9083 3982 9157 4010 9154 4018 9093
TIME...MOT...LOC 0432Z 261DEG 48KT 3998 9134
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
Kanofsky022
WWUS53 KLSX 070437 RRA
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
1037 PM CST MON MAR 6 2017
MOC111-127-070446-
/O.CAN.KLSX.TO.W.0012.000000T0000Z-170307T0515Z/
Marion MO-Lewis MO-
1037 PM CST MON MAR 6 2017
...THE TORNADO WARNING FOR NORTHEASTERN MARION AND SOUTHEASTERN LEWIS
COUNTIES 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 west central
Illinois...and northeastern Missouri.
LAT...LON 4011 9092 4010 9091 3985 9083 3983 9141
3984 9144 3988 9145 3991 9142 3993 9142
3995 9144 4003 9150 4010 9150 4018 9093
TIME...MOT...LOC 0436Z 261DEG 48KT 3999 9126
$$
ILC001-009-070515-
/O.CON.KLSX.TO.W.0012.000000T0000Z-170307T0515Z/
Adams IL-Brown IL-
1037 PM CST MON MAR 6 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 PM CST FOR ADAMS
AND WESTERN BROWN COUNTIES...
At 1036 PM CST, a severe thunderstorm capable of producing a tornado
was located near Quincy Regional Airport, moving east at 55 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Quincy, Quincy Regional Airport, Camp Point, Mendon, La Grange,
Clayton, Golden, Adams, Burton, Ursa, Liberty, Coatsburg, Mound
Station, Columbus, La Prairie, Marblehead, Paloma, Fowler,
Kellerville and Chatton.
This also includes Siloam Springs State Park.
This includes Interstate 172 between exits 10 and 19.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
&&
LAT...LON 4011 9092 4010 9091 3985 9083 3983 9141
3984 9144 3988 9145 3991 9142 3993 9142
3995 9144 4003 9150 4010 9150 4018 9093
TIME...MOT...LOC 0436Z 261DEG 48KT 3999 9126
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
Kanofsky177
WWUS53 KLSX 070452
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
1052 PM CST MON MAR 6 2017
ILC001-009-070501-
/O.CAN.KLSX.TO.W.0012.000000T0000Z-170307T0515Z/
Adams IL-Brown IL-
1052 PM CST MON MAR 6 2017
...THE TORNADO WARNING FOR ADAMS AND WESTERN BROWN COUNTIES IS
CANCELLED...
The tornado threat has diminished and the Tornado Warning has been
cancelled. However gusty winds are still possible with this
thunderstorm, and a Severe Thunderstorm Warning remains in effect
until 1115 PM CST.
A tornado watch remains in effect until 400 AM CST for west central
Illinois...and northeastern Missouri.
LAT...LON 4011 9092 4010 9091 3985 9083 3983 9141
3984 9144 3988 9145 3991 9142 3993 9142
3995 9144 4003 9150 4010 9150 4018 9093
TIME...MOT...LOC 0450Z 261DEG 48KT 4002 9099
$$
KanofskyThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 6, 10:20 PM CST | Severe Thunderstorm Warning | LSX | Adams, Brown, Pike | 55 min |
| Mar 6, 10:55 PM CST | Severe Thunderstorm Warning | LSX | Pike | 50 min |
| Mar 7, 12:08 AM CST | Severe Thunderstorm Warning | LSX | Calhoun, Greene, Jersey, Macoupin, Madison, Montgomery | 52 min |
| Mar 7, 12:48 AM CST | Severe Thunderstorm Warning | LSX | Monroe, Saint Clair | 57 min |
| 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 |
| Mar 7, 4:00 AM CST | Red Flag Warning | LSX | Adams, Brown, Calhoun, Greene, Jersey, Pike | 15 hr |
| 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 7, 12:00 AM CST | Severe Thunderstorm Warning | LSX | Crawford, Washington | 60 min |
| Mar 7, 12:34 AM CST | Tornado Warning | LSX | Jefferson | 26 min |
Nearby
Tornado Warnings in Illinois, 2017Tornado 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.