Alert archive / Missouri / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 191, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Dec 10, 2021, 10:00 PM CST for Iron County, Reynolds County, Missouri. It was in force for 45 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
- Dec 10, 2021, 10:00 PM CST (04:00 UTC)
- Expired
- Dec 10, 2021, 10:45 PM CST
- In force
- 45 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Iron County, MO, Reynolds County, MO
The radar
The St Louis radar (KLSX), 154 km from the middle of the area, began a volume at 04:00 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 |
|---|---|---|---|
| Dec 10, 10:05 PM CST | TSTM WND DMG | 5 Se Redford, MO | REYNOLDS COUNTY DISPATCH REPORTED AT LEAST 2 MOBILE HOMES DESTROYED ON CR 428, A PERMANENT HOME WITH ITS ROOF LOST ON CR 442, POWER LINES DOWN ALONG CRS 440, 428, AND 456, AND LARGE SWATHS OF TREES DOWN THROUGHOUT THE SURROUNDING FOREST. DISPATCHER BELIEVES TH |
| Dec 10, 10:05 PM CST | TORNADO | 5 Se Redford, MO | CORRECTS PREVIOUS TSTM WND DMG REPORT FROM 5 SE REDFORD. REYNOLDS COUNTY DISPATCH REPORTED AT LEAST 2 MOBILE HOMES DESTROYED ON CR 428, A PERMANENT HOME WITH ITS ROOF LOST ON CR 442, POWER LINES DOWN ALONG CRS 440, 428, AND 456, AND LARGE SWATHS OF TREES DOWN |
| Dec 10, 10:06 PM CST | TSTM WND DMG | 6 Ese Redford, MO | MULTIPLE HOUSES AND A BARN DESTROYED ON COUNTY RDS 428 AND 442. |
| Dec 10, 10:06 PM CST | TORNADO | 6 Ese Redford, MO | CORRECTS PREVIOUS TSTM WND DMG REPORT FROM 6 ESE REDFORD. MULTIPLE HOUSES AND A BARN DESTROYED ON COUNTY RDS 428 AND 442. |
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 |
|---|---|---|---|
| Dec 10, 3:07 PM CST | Tornado Watch | SPC | 11 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 4.0 hours before the alert went out and 269 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
- 637 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 1113 m above ground
- 0-6 km bulk shear
- 80 kt
- 0-1 km storm-relative helicity
- 344 m²/s²
- 0-3 km storm-relative helicity
- 300 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 8.4
The text
As transmitted.
774
WUUS53 KLSX 110400
SVRLSX
MOC093-179-110445-
/O.NEW.KLSX.SV.W.0191.211211T0400Z-211211T0445Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service St Louis MO
1000 PM CST Fri Dec 10 2021
The National Weather Service in St Louis has issued a
* Severe Thunderstorm Warning for...
Southeastern Iron County in southeastern Missouri...
East central Reynolds County in southeastern Missouri...
* Until 1045 PM CST.
* At 1000 PM CST, a severe thunderstorm was located near Ellington,
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.
* This severe thunderstorm will be near...
Annapolis and Glover around 1015 PM CST.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1100 PM CST for southeastern
Missouri.
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
For your protection move to an interior room on the lowest floor of a
building.
A Tornado Watch remains in effect until 1100 PM CST for southeastern
Missouri.
&&
LAT...LON 3736 9104 3757 9055 3727 9055 3727 9074
3721 9074 3720 9102
TIME...MOT...LOC 0400Z 250DEG 52KT 3732 9093
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Britt2 follow-up statements
301
WWUS53 KLSX 110411
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
1011 PM CST Fri Dec 10 2021
MOC093-179-110445-
/O.CON.KLSX.SV.W.0191.000000T0000Z-211211T0445Z/
Iron MO-Reynolds MO-
1011 PM CST Fri Dec 10 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM CST
FOR SOUTHEASTERN IRON AND EAST CENTRAL REYNOLDS COUNTIES...
At 1010 PM CST, a severe thunderstorm was located near Annapolis,
moving east at 45 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
This severe storm will be near...
Annapolis around 1020 PM CST.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1100 PM CST for southeastern
Missouri.
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3742 9090 3757 9055 3727 9055 3727 9074
3728 9088
TIME...MOT...LOC 0410Z 257DEG 41KT 3734 9079
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Britt303
WWUS53 KLSX 110445
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
1045 PM CST Fri Dec 10 2021
MOC093-179-110454-
/O.EXP.KLSX.SV.W.0191.000000T0000Z-211211T0445Z/
Iron MO-Reynolds MO-
1045 PM CST Fri Dec 10 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN IRON AND EAST
CENTRAL REYNOLDS COUNTIES WILL EXPIRE AT 1045 PM CST...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning will be allowed to expire.
A Tornado Watch remains in effect until 1100 PM CST for southeastern
Missouri.
LAT...LON 3742 9090 3757 9055 3727 9055 3727 9074
3728 9088
TIME...MOT...LOC 0444Z 250DEG 52KT 3750 9022
$$
BrittThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 10, 6:13 PM CST | Severe Thunderstorm Warning | LSX | Boone, Callaway, Cole, Moniteau | 47 min |
| Dec 10, 6:18 PM CST | Severe Thunderstorm Warning | LSX | Cole, Osage | 42 min |
| Dec 10, 6:27 PM CST | Tornado Warning | LSX | Audrain, Callaway | 34 min |
| Dec 10, 6:30 PM CST | Tornado Warning | LSX | Callaway, Cole, Gasconade, Montgomery, Osage | 45 min |
| Dec 10, 6:42 PM CST | Severe Thunderstorm Warning | LSX | Crawford, Franklin, Gasconade, Osage | 48 min |
| Dec 10, 6:42 PM CST | Tornado Warning | LSX | Pike | 48 min |
| Dec 10, 6:49 PM CST | Tornado Warning | LSX | Franklin, Gasconade, Osage, Warren | 41 min |
| Dec 10, 6:50 PM CST | Tornado Warning | LSX | Audrain, Callaway, Montgomery, Pike, Ralls | 40 min |
| Dec 10, 7:00 PM CST | Tornado Warning | LSX | Gasconade, Lincoln, Montgomery, Pike, Warren | 45 min |
| Dec 10, 7:02 PM CST | Tornado Warning | LSX | Crawford, Franklin, Gasconade | 43 min |
| Dec 10, 7:11 PM CST | Tornado Warning | LSX | Lincoln, Montgomery, Pike | 49 min |
| Dec 10, 7:16 PM CST | Tornado Warning | LSX | Franklin, Lincoln, Saint Charles, Warren | 44 min |
| Dec 10, 7:30 PM CST | Tornado Warning | LSX | Lincoln | 45 min |
| Dec 10, 7:35 PM CST | Tornado Warning | LSX | Franklin, Jefferson, Lincoln, Saint Charles, Saint Louis, Warren | 40 min |
| Dec 10, 7:49 PM CST | Severe Thunderstorm Warning | LSX | Crawford, Washington | 26 min |
| Dec 10, 8:06 PM CST | Tornado Warning | LSX | Saint Charles, Saint Louis, City of Saint Louis | 39 min |
| Dec 10, 8:10 PM CST | Severe Thunderstorm Warning | LSX | Franklin | 35 min |
| Dec 10, 8:29 PM CST | Severe Thunderstorm Warning | LSX | Franklin, Jefferson, Saint Louis, City of Saint Louis | 30 min |
| Dec 10, 8:34 PM CST | Severe Thunderstorm Warning | LSX | Crawford, Franklin, Gasconade, Osage | 41 min |
| Dec 10, 8:47 PM CST | Tornado Warning | LSX | Franklin, Gasconade, Warren | 43 min |
| Dec 10, 9:07 PM CST | Severe Thunderstorm Warning | LSX | Franklin, Jefferson, Lincoln, Saint Charles, Saint Louis, Warren and 1 more | 38 min |
| Dec 10, 9:39 PM CST | Tornado Warning | LSX | Saint Charles, Saint Louis | 51 min |
| Dec 10, 10:05 PM CST | Severe Thunderstorm Warning | LSX | City of Saint Louis | 25 min |
| Dec 10, 10:14 PM CST | Tornado Warning | LSX | Iron, Madison, Reynolds | 46 min |
| Dec 10, 10:19 PM CST | Severe Thunderstorm Warning | LSX | Jefferson, Sainte Genevieve, Saint Francois | 41 min |
| Dec 10, 10:26 PM CST | Severe Thunderstorm Warning | LSX | Reynolds | 20 min |
| Dec 10, 10:55 PM CST | Severe Thunderstorm Warning | LSX | Madison | 18 min |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.