Alert archive / Missouri / Tornado Warnings in 2019
Tornado Warning 46, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Sep 27, 2019, 7:00 PM CDT for Knox County, Lewis County, Missouri. It was in force for 45 min. 8 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
- Sep 27, 2019, 7:00 PM CDT (00:00 UTC)
- Expired
- Sep 27, 2019, 7:45 PM CDT
- In force
- 45 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.25 in
Counties Knox County, MO, Lewis County, MO
The radar
The St Louis radar (KLSX), 181 km from the middle of the area, began a volume at 00:02 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 |
|---|---|---|---|
| Sep 27, 7:10 PM CDT | HAIL 1 | La Belle, MO | QUARTER-SIZED HAIL REPORTED IN LA BELLE. |
| Sep 27, 7:15 PM CDT | FUNNEL CLOUD | 3 Nw Lewistown, MO | LEWIS COUNTY EM REPORTING FUNNEL CLOUD NOT TOUCHING GROUND NW OF LEWISTOWN. FUNNEL CLOUD WAS ROTATING. |
| Sep 27, 7:20 PM CDT | HAIL 1.25 | 1 E Knox City, MO | LAW ENFORCEMENT REPORT OF HAIL VARYING IN SIZE, PEA SIZED UP TO HALF-DOLLAR. |
| Sep 27, 7:30 PM CDT | FUNNEL CLOUD | 1 Ssw La Belle, MO | LEWIS COUNTY EM REPORTED FUNNEL CLOUD SOUTHWEST OF LA BELLE. |
| Sep 27, 7:30 PM CDT | FUNNEL CLOUD | 2 Nw Canton, MO | FUNNEL CLOUD REPORTED WEST OF CANTON VIA TWITTER. |
| Sep 27, 7:30 PM CDT | HAIL 1 | 2 Nnw Canton, MO | SPOTTER REPORTED HAIL WEST OF CANTON QUARTER SIZED VIA TWITTER. |
| Sep 27, 7:30 PM CDT | HAIL 1 | La Belle, MO | |
| Sep 27, 7:30 PM CDT | HAIL 1.75 | 2 N La Belle, MO | REPORTED VIA TWITTER WITH PICTURE: GOLF BALL SIZED HAIL NORTH OF LA BELLE. |
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 |
|---|---|---|---|
| Sep 27, 4:00 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 0.0 hours before the alert went out and 187 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
- 1148 J/kg
- Mixed-layer CIN
- -26 J/kg
- Mixed-layer LCL
- 580 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 52 m²/s²
- 0-3 km storm-relative helicity
- 181 m²/s²
- Significant tornado parameter
- 1.4
- Supercell composite
- 6.6
The text
As transmitted.
360
WFUS53 KLSX 280000
TORLSX
MOC103-111-280045-
/O.NEW.KLSX.TO.W.0046.190928T0000Z-190928T0045Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
700 PM CDT Fri Sep 27 2019
The National Weather Service in St Louis has issued a
* Tornado Warning for...
East central Knox County in northeastern Missouri...
Lewis County in northeastern Missouri...
* Until 745 PM CDT.
* At 700 PM CDT, a severe thunderstorm capable of producing a tornado
was located over La Belle, moving east at 30 mph.
HAZARD...Tornado and half dollar size hail.
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...
La Belle around 705 PM CDT.
Lewistown around 720 PM CDT.
Canton around 745 PM CDT.
Other locations impacted by this tornadic thunderstorm include
Monticello.
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 4025 9150 4024 9151 4020 9150 4018 9151
4012 9151 4006 9149 4003 9150 4002 9149
4007 9203 4021 9202 4025 9173
TIME...MOT...LOC 0000Z 266DEG 22KT 4013 9196
TORNADO...RADAR INDICATED
HAIL...1.25IN
$$
Carney2 follow-up statements
874
WWUS53 KLSX 280015
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
715 PM CDT Fri Sep 27 2019
MOC103-280024-
/O.CAN.KLSX.TO.W.0046.000000T0000Z-190928T0045Z/
Knox MO-
715 PM CDT Fri Sep 27 2019
...THE TORNADO WARNING FOR EAST CENTRAL KNOX COUNTY IS CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled. A
severe thunderstorm warning remains in effect.
A Tornado Watch remains in effect until 1100 PM CDT for west central
Illinois...and northeastern Missouri.
LAT...LON 4025 9151 4024 9151 4020 9150 4018 9151
4012 9151 4006 9149 4003 9150 4010 9188
4022 9189 4025 9173
TIME...MOT...LOC 0014Z 267DEG 31KT 4014 9180
$$
MOC111-280045-
/O.CON.KLSX.TO.W.0046.000000T0000Z-190928T0045Z/
Lewis MO-
715 PM CDT Fri Sep 27 2019
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR NORTHERN
LEWIS COUNTY...
At 714 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Lewistown, moving east at 35 mph.
HAZARD...Tornado and half dollar size hail.
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...
Canton and La Grange around 740 PM CDT.
Emergency management reported a funnel cloud associated with this
storm northwest of Lewistown. Other locations impacted by this
tornadic thunderstorm include Monticello.
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 4025 9151 4024 9151 4020 9150 4018 9151
4012 9151 4006 9149 4003 9150 4010 9188
4022 9189 4025 9173
TIME...MOT...LOC 0014Z 267DEG 31KT 4014 9180
TORNADO...RADAR INDICATED
HAIL...1.25IN
$$
Carney935
WWUS53 KLSX 280029
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
729 PM CDT Fri Sep 27 2019
MOC111-280045-
/O.CON.KLSX.TO.W.0046.000000T0000Z-190928T0045Z/
Lewis MO-
729 PM CDT Fri Sep 27 2019
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR
NORTHEASTERN LEWIS COUNTY...
At 728 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Canton, moving east at 45 mph.
HAZARD...Tornado and half dollar size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Canton around 735 PM CDT.
Other locations impacted by this tornadic thunderstorm include
Monticello.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4025 9151 4024 9151 4020 9150 4018 9151
4012 9151 4006 9149 4003 9150 4007 9174
4024 9179 4025 9173
TIME...MOT...LOC 0028Z 258DEG 37KT 4017 9162
TORNADO...RADAR INDICATED
HAIL...1.25IN
$$
BrittThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 27, 7:06 PM CDT | Severe Thunderstorm Warning | LSX | Knox | 39 min |
| Sep 27, 7:34 PM CDT | Tornado Warning | LSX | Knox, Lewis | 41 min |
| Sep 27, 8:14 PM CDT | Severe Thunderstorm Warning | LSX | Knox | 46 min |
| Sep 27, 8:51 PM CDT | Severe Thunderstorm Warning | LSX | Lewis | 54 min |
| Sep 27, 8:59 PM CDT | Flash Flood Warning | LSX | Knox, Lewis | 8 hr |
| Sep 27, 10:14 PM CDT | Severe Thunderstorm Warning | LSX | Marion | 46 min |
| Sep 28, 3:06 AM CDT | River Flood Warning | LSX | Lewis | 40 days |
| Sep 28, 10:36 AM CDT | River Flood Warning | LSX | Lewis | 3 days |
| Sep 28, 10:36 AM CDT | River Flood Warning | LSX | Lewis | 10 hr |
| Sep 28, 11:06 AM CDT | River Flood Warning | LSX | Marion | 36 days |
| Sep 28, 11:06 AM CDT | River Flood Warning | LSX | Ralls | 38 days |
Nearby
Tornado Warnings in Missouri, 2019Every tornado warning in 2019Tornadoes in 2019
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.