Alert archive / Missouri / Tornado Warnings in 2023
Tornado Warning 21, NWS Kansas City, MO
NWS Kansas City, MO issued this tornado warning at Aug 11, 2023, 11:28 PM CDT for Adair County, Linn County, Sullivan County, Missouri. It was in force for 11 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
- Aug 11, 2023, 11:28 PM CDT (04:28 UTC)
- Expired
- Aug 11, 2023, 11:39 PM CDT
- In force
- 11 min
- Issued by
- NWS Kansas City, MO
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Adair County, MO, Linn County, MO, Sullivan County, MO
The radar
The Pleasant Hill radar (KEAX), 182 km from the middle of the area, began a volume at 04:29 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 |
|---|---|---|---|
| Aug 11, 9:23 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Topeka, KS (KTOP), launched 00:00Z, 4.5 hours before the alert went out and 264 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
- 3508 J/kg
- Mixed-layer CIN
- -32 J/kg
- Mixed-layer LCL
- 1886 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 26 m²/s²
- 0-3 km storm-relative helicity
- 164 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 14.2
The text
As transmitted.
199
WFUS53 KEAX 120428
TOREAX
MOC001-115-211-120500-
/O.NEW.KEAX.TO.W.0021.230812T0428Z-230812T0500Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Kansas City/Pleasant Hill MO
1128 PM CDT Fri Aug 11 2023
The National Weather Service in Pleasant Hill has issued a
* Tornado Warning for...
Southwestern Adair County in northeastern Missouri...
Northeastern Linn County in north central Missouri...
Southeastern Sullivan County in north central Missouri...
* Until midnight CDT.
* At 1127 PM CDT, a severe thunderstorm capable of producing a
tornado was located 11 miles east of Browning, or 14 miles
southeast of Milan, moving east at 15 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...
Winigan.
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 4004 9285 3998 9285 3999 9299 4008 9299
4011 9278 4004 9278
TIME...MOT...LOC 0427Z 266DEG 14KT 4004 9295
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
BMW1 follow-up statement
299
WWUS53 KEAX 120439
SVSEAX
Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
1139 PM CDT Fri Aug 11 2023
MOC001-115-211-120449-
/O.CAN.KEAX.TO.W.0021.000000T0000Z-230812T0500Z/
Adair MO-Linn MO-Sullivan MO-
1139 PM CDT Fri Aug 11 2023
...THE TORNADO WARNING FOR SOUTHWESTERN ADAIR...NORTHEASTERN LINN AND
SOUTHEASTERN SULLIVAN COUNTIES IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been cancelled.
A Severe Thunderstorm Watch remains in effect until 400 AM CDT for
north central and northeastern Missouri.
LAT...LON 4004 9285 3998 9285 3999 9299 4008 9299
4011 9278 4004 9278
TIME...MOT...LOC 0437Z 266DEG 14KT 4004 9289
$$
BMWThe office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 11, 9:14 PM CDT | Severe Thunderstorm Warning | EAX | Daviess, Grundy, Harrison, Mercer | 46 min |
| Aug 11, 9:24 PM CDT | Severe Thunderstorm Warning | EAX | Gentry, Harrison, Worth | 36 min |
| Aug 11, 9:48 PM CDT | Severe Thunderstorm Warning | EAX | Daviess, DeKalb, Gentry, Harrison | 42 min |
| Aug 11, 9:51 PM CDT | Severe Thunderstorm Warning | EAX | Daviess, Grundy, Harrison, Livingston | 39 min |
| Aug 11, 9:57 PM CDT | Special Weather Statement | EAX | Adair, Putnam, Sullivan | 48 min |
| Aug 11, 10:25 PM CDT | Severe Thunderstorm Warning | EAX | Daviess, Grundy, Linn, Livingston | 50 min |
| Aug 11, 10:28 PM CDT | Severe Thunderstorm Warning | EAX | Caldwell, Daviess, DeKalb, Grundy | 47 min |
| Aug 11, 10:34 PM CDT | Severe Thunderstorm Warning | EAX | Adair, Putnam, Schuyler, Sullivan | 41 min |
| Aug 11, 10:36 PM CDT | Special Weather Statement | EAX | Harrison | 39 min |
| Aug 11, 10:42 PM CDT | Special Weather Statement | EAX | Linn | 48 min |
| Aug 11, 10:50 PM CDT | Severe Thunderstorm Warning | EAX | Daviess, Grundy, Harrison, Mercer | 25 min |
| Aug 11, 11:09 PM CDT | Special Weather Statement | EAX | Mercer | 51 min |
| Aug 11, 11:10 PM CDT | Flash Flood Warning | EAX | Gentry, Harrison, Worth | 6 hr |
| Aug 11, 11:13 PM CDT | Severe Thunderstorm Warning | EAX | Chariton, Grundy, Linn, Livingston | 47 min |
| Aug 11, 11:15 PM CDT | Tornado Warning | EAX | Adair, Linn, Macon, Sullivan | 15 min |
| Aug 11, 11:19 PM CDT | Severe Thunderstorm Warning | EAX | Grundy, Harrison, Mercer | 41 min |
| Aug 11, 11:22 PM CDT | Special Weather Statement | EAX | Adair | 23 min |
| Aug 11, 11:56 PM CDT | Special Weather Statement | EAX | Linn | 49 min |
| Aug 11, 11:58 PM CDT | Special Weather Statement | EAX | Sullivan | 47 min |
| Aug 12, 12:07 AM CDT | Special Weather Statement | EAX | Harrison, Worth | 38 min |
| Aug 12, 12:08 AM CDT | Flash Flood Warning | EAX | Adair, Daviess, Grundy, Harrison, Linn, Livingston and 4 more | 6 hr |
| Aug 12, 12:10 AM CDT | Severe Thunderstorm Warning | EAX | Grundy, Linn, Sullivan | 35 min |
| Aug 12, 12:12 AM CDT | Special Weather Statement | EAX | Macon | 33 min |
| Aug 12, 12:30 AM CDT | Severe Thunderstorm Warning | EAX | Grundy, Linn, Livingston, Sullivan | 30 min |
| Aug 12, 12:37 AM CDT | Severe Thunderstorm Warning | EAX | Gentry, Harrison, Worth | 38 min |
| Aug 12, 12:54 AM CDT | Severe Thunderstorm Warning | EAX | Linn | 36 min |
| Aug 12, 1:11 AM CDT | Severe Thunderstorm Warning | EAX | Daviess, Gentry, Harrison, Worth | 34 min |
| Aug 12, 1:17 AM CDT | Severe Thunderstorm Warning | EAX | Chariton, Linn, Macon | 43 min |
| Aug 12, 1:51 AM CDT | Severe Thunderstorm Warning | EAX | Chariton, Linn, Macon, Randolph | 39 min |
| Aug 12, 2:25 AM CDT | Severe Thunderstorm Warning | EAX | Chariton, Howard, Randolph | 35 min |
| Aug 12, 3:07 AM CDT | Areal Flood Advisory | EAX | Chariton, Linn, Macon, Randolph | 6 hr |
| Aug 12, 4:50 AM CDT | Areal Flood Warning | EAX | Gentry, Harrison, Worth | 6 hr |
| Aug 12, 5:11 AM CDT | Special Weather Statement | EAX | Bates, Henry, Johnson | 49 min |
| Aug 12, 5:44 AM CDT | Areal Flood Warning | EAX | Adair, Daviess, Grundy, Harrison, Linn, Livingston and 4 more | 5 hr |
| Aug 12, 8:55 AM CDT | River Flood Warning | EAX | Daviess, Livingston | 19 hr |
Nearby
Tornado Warnings in Missouri, 2023Every tornado warning in 2023Tornadoes in 2023
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.