Alert archive / Missouri / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 103, NWS Kansas City, MO
NWS Kansas City, MO issued this severe thunderstorm warning at Aug 12, 2021, 3:13 PM CDT for 4 counties in Missouri. It was in force for 32 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 12, 2021, 3:13 PM CDT (20:13 UTC)
- Expired
- Aug 12, 2021, 3:45 PM CDT
- In force
- 32 min
- Issued by
- NWS Kansas City, MO
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Carroll County, MO, Chariton County, MO, Livingston County, MO, Saline County, MO
The radar
The Pleasant Hill radar (KEAX), 104 km from the middle of the area, began a volume at 20:13 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 nearest sounding before it
Topeka, KS (KTOP), launched 12:00Z, 8.2 hours before the alert went out and 200 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
- 951 J/kg
- Mixed-layer CIN
- -437 J/kg
- Mixed-layer LCL
- 1729 m above ground
- 0-6 km bulk shear
- 3 kt
- 0-1 km storm-relative helicity
- 141 m²/s²
- 0-3 km storm-relative helicity
- 228 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.9
The text
As transmitted.
503
WUUS53 KEAX 122013
SVREAX
MOC033-041-117-195-122045-
/O.NEW.KEAX.SV.W.0103.210812T2013Z-210812T2045Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Kansas City/Pleasant Hill MO
313 PM CDT Thu Aug 12 2021
The National Weather Service in Pleasant Hill has issued a
* Severe Thunderstorm Warning for...
Western Chariton County in north central Missouri...
Central Carroll County in north central Missouri...
North central Saline County in central Missouri...
Southeastern Livingston County in north central Missouri...
* Until 345 PM CDT.
* At 313 PM CDT, a severe thunderstorm was located near Hale, or 13
miles north of Carrollton, moving east at 35 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.
* Locations impacted include...
Carrollton, Brunswick, Hale, Bosworth, Wakenda, Miami, Mendon,
Bogard, Tina, De Witt and Triplett.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3943 9374 3964 9350 3959 9290 3922 9309
TIME...MOT...LOC 2013Z 288DEG 28KT 3955 9344
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
HB1 follow-up statement
890
WWUS53 KEAX 122037
SVSEAX
Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
337 PM CDT Thu Aug 12 2021
MOC033-041-117-195-122046-
/O.EXP.KEAX.SV.W.0103.000000T0000Z-210812T2045Z/
Chariton MO-Carroll MO-Saline MO-Livingston MO-
337 PM CDT Thu Aug 12 2021
...THE SEVERE THUNDERSTORM WARNING FOR WESTERN CHARITON...CENTRAL
CARROLL...NORTH CENTRAL SALINE AND SOUTHEASTERN LIVINGSTON COUNTIES
WILL EXPIRE AT 345 PM CDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.
LAT...LON 3943 9374 3964 9350 3959 9290 3922 9309
TIME...MOT...LOC 2036Z 288DEG 28KT 3950 9323
$$
HBThe office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 4:29 AM CDT | Special Weather Statement | EAX | Harrison | 31 min |
| Aug 12, 4:58 AM CDT | Special Weather Statement | EAX | Mercer | 47 min |
| Aug 12, 5:31 AM CDT | Severe Thunderstorm Warning | EAX | Harrison, Mercer | 29 min |
| Aug 12, 6:00 AM CDT | Special Weather Statement | EAX | Mercer | 30 min |
| Aug 12, 8:37 AM CDT | Special Weather Statement | EAX | Schuyler | 8 min |
| Aug 12, 8:38 AM CDT | Special Weather Statement | EAX | Schuyler | 37 min |
| Aug 12, 1:27 PM CDT | Flash Flood Watch | EAX | Putnam, Schuyler | 6 hr |
| Aug 12, 1:42 PM CDT | Special Weather Statement | EAX | Daviess, Grundy, Sullivan | 48 min |
| Aug 12, 1:45 PM CDT | Special Weather Statement | EAX | Schuyler | 30 min |
| Aug 12, 2:15 PM CDT | Flash Flood Warning | EAX | Putnam, Schuyler | 2 hr |
| Aug 12, 2:16 PM CDT | Special Weather Statement | EAX | Caldwell, Linn, Livingston | 29 min |
| Aug 12, 2:18 PM CDT | Severe Thunderstorm Warning | EAX | Grundy, Linn, Livingston | 27 min |
| Aug 12, 2:31 PM CDT | Severe Thunderstorm Warning | EAX | Caldwell, Carroll, Daviess, Linn, Livingston | 29 min |
| Aug 12, 2:49 PM CDT | Severe Thunderstorm Warning | EAX | Carroll, Chariton, Livingston | 26 min |
| Aug 12, 3:28 PM CDT | Severe Thunderstorm Warning | EAX | Clay, Platte | 32 min |
| Aug 12, 3:44 PM CDT | Severe Thunderstorm Warning | EAX | Chariton, Macon, Randolph | 31 min |
| Aug 12, 3:53 PM CDT | Severe Thunderstorm Warning | EAX | Randolph | 37 min |
| Aug 12, 3:56 PM CDT | Severe Thunderstorm Warning | EAX | Clay, Jackson, Platte | 34 min |
| Aug 12, 4:09 PM CDT | Severe Thunderstorm Warning | EAX | Clay, Jackson, Lafayette, Ray, Saline | 36 min |
| Aug 12, 4:42 PM CDT | Severe Thunderstorm Warning | EAX | Jackson, Johnson, Lafayette | 33 min |
| Aug 12, 5:11 PM CDT | Severe Thunderstorm Warning | EAX | Cass, Jackson, Johnson, Lafayette | 34 min |
| Aug 12, 5:18 PM CDT | Severe Thunderstorm Warning | EAX | Cass, Jackson | 27 min |
| Aug 12, 5:22 PM CDT | Severe Thunderstorm Warning | EAX | Jackson | 8 min |
| Aug 12, 5:37 PM CDT | Severe Thunderstorm Warning | EAX | Cass, Jackson, Johnson | 8 min |
| Aug 12, 5:43 PM CDT | Severe Thunderstorm Warning | EAX | Cass, Jackson, Johnson | 32 min |
| Aug 12, 6:15 PM CDT | Special Weather Statement | EAX | Cass | 45 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.