Alert archive / Missouri / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 183, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Dec 10, 2021, 6:13 PM CST for 4 counties in Missouri. It was in force for 47 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
- Dec 10, 2021, 6:13 PM CST (00:13 UTC)
- Expired
- Dec 10, 2021, 7:00 PM CST
- In force
- 47 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Boone County, MO, Callaway County, MO, Cole County, MO, Moniteau County, MO
The radar
The St Louis radar (KLSX), 123 km from the middle of the area, began a volume at 00:15 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, 6:19 PM CST | TSTM WND GST 60 | 4 Ne Ashland, MO | COLUMBIA,MO (COU) ASOS REPORTS GUST OF 52.0 KNOTS FROM SW @ 0019Z KCOU 110032Z 20014G22KT 2SM VCTS +RA BR FEW024 BKN043 OVC080 14/13 A2943 RMK AO2 PK WND 22052/0019 RAB19 TS SW MOV NE LTG ALQDS P0025 T01390128. |
| Dec 10, 6:32 PM CST | TSTM WND DMG | 1 S Lake Mykee, MO | CALLAWAY COUNTY SHERIFFS OFFICE REPORTED A TREE DOWN BLOCKING THE ROADWAY AT STATE HWY AA AND PLATINUM ROAD. TIME ESTIMATED FROM RADAR. |
| Dec 10, 6:32 PM CST | TSTM WND DMG | 2 Wnw Kingdom City, MO | TREE DOWN ON ROADWAY ON ROUTE FF. |
| Dec 10, 6:37 PM CST | TSTM WND DMG | 1 Ne Fulton, MO | CALLAWAY COUNTY SHERIFFS OFFICE REPORTED A TREE DOWN ON A HOUSE IN FULTON. TIME ESTIMATED FROM RADAR. |
| Dec 10, 6:37 PM CST | TSTM WND DMG | 1 Wnw Kingdom City, MO | CALLAWAY COUNTY SHERIFFS OFFICE REPORTED A DOWNED TREE BLOCKING THE ROAD AT OLD U.S. HWY 40 AND STATE HWY FF NEAR KINGDOM CITY. TIME ESTIMATED FROM RADAR. |
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, 5:17 PM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 0.2 hours before the alert went out and 252 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.
390
WUUS53 KLSX 110013
SVRLSX
MOC019-027-051-135-110100-
/O.NEW.KLSX.SV.W.0183.211211T0013Z-211211T0100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service St Louis MO
613 PM CST Fri Dec 10 2021
The National Weather Service in St Louis has issued a
* Severe Thunderstorm Warning for...
Northwestern Cole County in central Missouri...
Southeastern Boone County in central Missouri...
Callaway County in central Missouri...
Southeastern Moniteau County in central Missouri...
* Until 700 PM CST.
* At 612 PM CST, severe thunderstorms were located along a line
extending from near Columbia Regional Airport to 6 miles southwest
of Ashland to McGirk, moving east at 55 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Severe thunderstorms will be near...
Columbia Regional Airport around 615 PM CST.
Ashland around 620 PM CST.
Jefferson City around 625 PM CST.
Holts Summit around 630 PM CST.
Other locations in the path of these severe thunderstorms include
Fulton, Auxvasse, New Bloomfield, Lake Mykee Town, Lake Mykee,
Shamrock and Williamsburg.
This includes Interstate 70 in Missouri between exits 137 and 161.
This also includes Rock Bridge State Park and Jefferson Landing
Historic Site.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1100 PM CST for central and
east central Missouri.
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 central and
east central Missouri.
&&
LAT...LON 3870 9253 3887 9243 3906 9183 3906 9163
3880 9164 3871 9172 3869 9175 3867 9186
3865 9188 3856 9213 3847 9267 3848 9269
TIME...MOT...LOC 0012Z 248DEG 49KT 3882 9226 3870 9233 3859 9247
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
BRC1 follow-up statement
095
WWUS53 KLSX 110023
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
623 PM CST Fri Dec 10 2021
MOC019-027-051-135-110100-
/O.CON.KLSX.SV.W.0183.000000T0000Z-211211T0100Z/
Cole MO-Boone MO-Callaway MO-Moniteau MO-
623 PM CST Fri Dec 10 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CST
FOR NORTHWESTERN COLE...SOUTHEASTERN BOONE...CALLAWAY AND
SOUTHEASTERN MONITEAU COUNTIES...
At 623 PM CST, severe thunderstorms were located along a line
extending from 8 miles south of Murry to Columbia Regional Airport to
Centertown, moving northeast at 65 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Columbia Regional Airport, Auxvasse, New Bloomfield, Fulton,
Shamrock and Williamsburg.
This also includes Rock Bridge State Park and Jefferson Landing
Historic Site.
This includes Interstate 70 in Missouri between exits 137 and 161.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1100 PM CST for central and
east central Missouri.
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
&&
LAT...LON 3870 9253 3890 9234 3906 9183 3906 9163
3880 9164 3871 9172 3869 9175 3867 9186
3865 9188 3856 9213 3847 9267 3859 9261
TIME...MOT...LOC 0023Z 233DEG 56KT 3892 9217 3881 9219 3864 9243
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
BrittThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| 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, 10:00 PM CST | Severe Thunderstorm Warning | LSX | Iron, Reynolds | 45 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.