Alert archive / Missouri / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 179, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Oct 24, 2021, 9:37 PM CDT for Iron County, Reynolds County, 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
- Oct 24, 2021, 9:37 PM CDT (02:37 UTC)
- Expired
- Oct 24, 2021, 10:13 PM CDT
- In force
- 36 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Iron County, MO, Reynolds County, MO
The radar
The St Louis radar (KLSX), 143 km from the middle of the area, began a volume at 02:41 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Oct 24, 2:06 PM CDT | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 2.6 hours before the alert went out and 250 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
- 1534 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 846 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 296 m²/s²
- 0-3 km storm-relative helicity
- 317 m²/s²
- Significant tornado parameter
- 2.8
- Supercell composite
- 12.3
The text
As transmitted.
687
WUUS53 KLSX 250237
SVRLSX
MOC093-179-250330-
/O.NEW.KLSX.SV.W.0179.211025T0237Z-211025T0330Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service St Louis MO
937 PM CDT Sun Oct 24 2021
The National Weather Service in St Louis has issued a
* Severe Thunderstorm Warning for...
Northeastern Iron County in southeastern Missouri...
Northern Reynolds County in southeastern Missouri...
* Until 1030 PM CDT.
* At 937 PM CDT, a severe thunderstorm was located near Oates, moving
northeast at 60 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* This severe thunderstorm will be near...
Belleview and Glover around 955 PM CDT.
Other locations in the path of this severe thunderstorm include
Ironton, Pilot Knob and Arcadia.
This also includes Johnsons Shut-Ins State Park, Fort Davidson
Historic Site, Elephant Rocks State Park, and Taum Sauk Mountain
State Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1000 PM CDT for southeastern
Missouri.
For your protection move to an interior room on the lowest floor of a
building.
A Tornado Watch remains in effect until 1000 PM CDT for southeastern
Missouri.
&&
LAT...LON 3733 9118 3741 9118 3742 9121 3750 9121
3750 9124 3772 9071 3752 9055 3731 9116
TIME...MOT...LOC 0237Z 246DEG 51KT 3749 9101
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Glass2 follow-up statements
366
WWUS53 KLSX 250250
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
950 PM CDT Sun Oct 24 2021
MOC093-179-250330-
/O.CON.KLSX.SV.W.0179.000000T0000Z-211025T0330Z/
Iron MO-Reynolds MO-
950 PM CDT Sun Oct 24 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT
FOR NORTHEASTERN IRON AND NORTHEASTERN REYNOLDS COUNTIES...
At 950 PM CDT, a severe thunderstorm was located 8 miles northwest of
Glover, moving east at 50 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
This severe storm will be near...
Glover around 955 PM CDT.
Other locations in the path of this severe thunderstorm include
Ironton, Pilot Knob and Arcadia.
This also includes Johnsons Shut-Ins State Park, Fort Davidson
Historic Site, Elephant Rocks State Park, and Taum Sauk Mountain
State Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1100 PM CDT for southeastern
Missouri.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3733 9118 3741 9118 3745 9117 3750 9113
3755 9108 3772 9071 3752 9055 3731 9116
TIME...MOT...LOC 0250Z 253DEG 44KT 3754 9082
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Glass622
WWUS53 KLSX 250313
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
1013 PM CDT Sun Oct 24 2021
MOC093-179-250322-
/O.CAN.KLSX.SV.W.0179.000000T0000Z-211025T0330Z/
Iron MO-Reynolds MO-
1013 PM CDT Sun Oct 24 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN IRON AND
NORTHEASTERN REYNOLDS COUNTIES IS CANCELLED...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 1100 PM CDT for southeastern
Missouri.
LAT...LON 3733 9118 3741 9118 3745 9117 3750 9113
3755 9108 3772 9071 3752 9055 3731 9116
TIME...MOT...LOC 0311Z 246DEG 51KT 3767 9045
$$
GlassThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 24, 7:00 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 34 min |
| Oct 24, 7:03 PM CDT | Severe Thunderstorm Warning | LSX | Lincoln, Montgomery, Warren | 42 min |
| Oct 24, 7:06 PM CDT | Tornado Warning | LSX | Reynolds | 39 min |
| Oct 24, 7:07 PM CDT | Severe Thunderstorm Warning | LSX | Callaway, Franklin, Gasconade, Montgomery, Osage, Warren | 38 min |
| Oct 24, 7:09 PM CDT | Tornado Warning | LSX | Crawford, Iron, Washington | 31 min |
| Oct 24, 7:37 PM CDT | Severe Thunderstorm Warning | LSX | Reynolds | 38 min |
| Oct 24, 7:39 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson, Sainte Genevieve, Saint Francois, Washington | 51 min |
| Oct 24, 7:48 PM CDT | Tornado Warning | LSX | Iron, Madison, Reynolds, Saint Francois | 27 min |
| Oct 24, 8:03 PM CDT | Tornado Warning | LSX | Sainte Genevieve, Saint Francois | 42 min |
| Oct 24, 8:09 PM CDT | Tornado Warning | LSX | Sainte Genevieve, Saint Francois | 40 min |
| Oct 24, 8:10 PM CDT | Tornado Warning | LSX | Iron, Madison, Reynolds | 50 min |
| Oct 24, 8:23 PM CDT | Tornado Warning | LSX | Iron, Madison, Reynolds | 52 min |
| Oct 24, 8:34 PM CDT | Tornado Warning | LSX | Sainte Genevieve | 41 min |
| Oct 24, 8:48 PM CDT | Tornado Warning | LSX | Madison, Saint Francois | 27 min |
| Oct 24, 9:08 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson, Saint Louis | 54 min |
| Oct 24, 9:11 PM CDT | Tornado Warning | LSX | Iron, Madison | 49 min |
| Oct 24, 9:12 PM CDT | Flash Flood Warning | LSX | Iron, Madison | 4 hr |
| Oct 24, 10:07 PM CDT | Severe Thunderstorm Warning | LSX | Iron, Reynolds | 38 min |
| Oct 24, 10:12 PM CDT | Flash Flood Warning | LSX | Madison | 4 hr |
Nearby
Severe Thunderstorm Warnings in Missouri, 2021Every severe thunderstorm warning in 2021
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.