Alert archive / Missouri / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 86, NWS Kansas City, MO
NWS Kansas City, MO issued this severe thunderstorm warning at Jul 10, 2021, 2:32 AM CDT for 7 counties in Missouri. It was in force for 43 min. 1 report 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
- Jul 10, 2021, 2:32 AM CDT (07:32 UTC)
- Expired
- Jul 10, 2021, 3:15 AM CDT
- In force
- 43 min
- Issued by
- NWS Kansas City, MO
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Andrew County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Harrison County, MO, Nodaway County, MO, Worth County, MO
The radar
The Pleasant Hill radar (KEAX), 161 km from the middle of the area, began a volume at 07:34 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 |
|---|---|---|---|
| Jul 10, 2:55 AM CDT | TSTM WND DMG | 4 Nne Altamont, MO | DELAYED REPORT OF SEVERAL TREE LIMBS DOWN. SOME AROUND 8 INCHES IN DIAMETER. |
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 |
|---|---|---|---|
| Jul 9, 9:58 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Topeka, KS (KTOP), launched 00:00Z, 7.5 hours before the alert went out and 195 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
- 2790 J/kg
- Mixed-layer CIN
- -39 J/kg
- Mixed-layer LCL
- 1645 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 132 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 6.9
The text
As transmitted.
426
WUUS53 KEAX 100732
SVREAX
MOC003-061-063-075-081-147-227-100815-
/O.NEW.KEAX.SV.W.0086.210710T0732Z-210710T0815Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Kansas City/Pleasant Hill MO
232 AM CDT Sat Jul 10 2021
The National Weather Service in Pleasant Hill has issued a
* Severe Thunderstorm Warning for...
Worth County in northwestern Missouri...
Daviess County in north central Missouri...
Gentry County in northwestern Missouri...
Harrison County in north central Missouri...
Southeastern Nodaway County in northwestern Missouri...
Eastern Andrew County in northwestern Missouri...
DeKalb County in northwestern Missouri...
* Until 315 AM CDT.
* At 232 AM CDT, severe thunderstorms were located along a line
extending from 9 miles south of Mount Ayr to Stewartsville, moving
east at 40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Bethany, Gallatin, Albany, Stanberry, Maysville, Country Club
Villa, Country Club, King City, Grant City, Jamesport, Ridgeway,
Union Star, Gilman City, Pattonsburg, Eagleville, New Hampton,
Cainsville, Irena, Winston and Altamont.
This includes the following highways...
Interstate 35 in Missouri between mile markers 59 and 114.
Interstate 29 between mile markers 52 and 53.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4045 9376 4004 9377 3982 9387 3982 9483
4057 9448 4058 9378
TIME...MOT...LOC 0732Z 275DEG 33KT 4058 9421 3974 9450
HAIL...<.75IN
WIND...60MPH
$$
Leighton3 follow-up statements
740
WWUS53 KEAX 100755
SVSEAX
Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
255 AM CDT Sat Jul 10 2021
MOC003-147-227-100805-
/O.CAN.KEAX.SV.W.0086.000000T0000Z-210710T0815Z/
Worth MO-Nodaway MO-Andrew MO-
255 AM CDT Sat Jul 10 2021
...THE SEVERE THUNDERSTORM WARNING FOR WORTH...SOUTHEASTERN NODAWAY
AND EASTERN ANDREW COUNTIES IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 500 AM CDT for
north central and northwestern Missouri.
LAT...LON 4047 9376 4004 9377 3982 9387 3982 9456
3983 9456 4039 9429 4039 9422 4050 9423
4057 9420 4058 9378
TIME...MOT...LOC 0755Z 275DEG 33KT 4056 9396 3972 9426
$$
MOC061-063-075-081-100815-
/O.CON.KEAX.SV.W.0086.000000T0000Z-210710T0815Z/
Daviess MO-Gentry MO-Harrison MO-DeKalb MO-
255 AM CDT Sat Jul 10 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 AM CDT
FOR DAVIESS...EASTERN GENTRY...HARRISON AND CENTRAL DEKALB
COUNTIES...
At 255 AM CDT, severe thunderstorms were located along a line
extending from near Lamoni to Cameron, moving east at 40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Bethany, Gallatin, Albany, Maysville, Jamesport, Ridgeway, Gilman
City, Pattonsburg, Eagleville, New Hampton, Cainsville, Winston,
Altamont, Blythedale, Coffey, Jameson, Weatherby, Mcfall, Mount
Moriah and Amity.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4047 9376 4004 9377 3982 9387 3982 9456
3983 9456 4039 9429 4039 9422 4050 9423
4057 9420 4058 9378
TIME...MOT...LOC 0755Z 275DEG 33KT 4056 9396 3972 9426
HAIL...<.75IN
WIND...60MPH
$$
Leighton059
WWUS53 KEAX 100810
SVSEAX
Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
310 AM CDT Sat Jul 10 2021
MOC063-075-100819-
/O.CAN.KEAX.SV.W.0086.000000T0000Z-210710T0815Z/
Gentry MO-DeKalb MO-
310 AM CDT Sat Jul 10 2021
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN GENTRY AND CENTRAL
DEKALB COUNTIES IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 500 AM CDT for
north central Missouri.
LAT...LON 4047 9376 4004 9377 3982 9387 3982 9420
4057 9406 4058 9378
TIME...MOT...LOC 0809Z 275DEG 33KT 4055 9383 3971 9413
$$
MOC061-081-100815-
/O.CON.KEAX.SV.W.0086.000000T0000Z-210710T0815Z/
Daviess MO-Harrison MO-
310 AM CDT Sat Jul 10 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 AM CDT
FOR DAVIESS AND HARRISON COUNTIES...
At 309 AM CDT, severe thunderstorms were located along a line
extending from 7 miles southeast of Lamoni to 6 miles southeast of
Cameron, moving east at 40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Bethany, Gallatin, Jamesport, Ridgeway, Gilman City, Pattonsburg,
Eagleville, Cainsville, Winston, Altamont, Blythedale, Coffey,
Jameson and Mount Moriah.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4047 9376 4004 9377 3982 9387 3982 9420
4057 9406 4058 9378
TIME...MOT...LOC 0809Z 275DEG 33KT 4055 9383 3971 9413
HAIL...<.75IN
WIND...60MPH
$$
Leighton992
WWUS53 KEAX 100813
SVSEAX
Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
313 AM CDT Sat Jul 10 2021
MOC061-081-100823-
/O.EXP.KEAX.SV.W.0086.000000T0000Z-210710T0815Z/
Daviess MO-Harrison MO-
313 AM CDT Sat Jul 10 2021
...THE SEVERE THUNDERSTORM WARNING FOR DAVIESS AND HARRISON COUNTIES
WILL EXPIRE AT 315 AM CDT...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However small
hail, gusty winds and heavy rain are still possible with these
thunderstorms.
A Severe Thunderstorm Watch remains in effect until 500 AM CDT for
north central Missouri.
LAT...LON 4047 9376 4004 9377 3982 9387 3982 9420
4057 9406 4058 9378
TIME...MOT...LOC 0813Z 275DEG 33KT 4055 9381 3971 9411
$$
LeightonThe office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 9, 8:01 PM CDT | Special Weather Statement | EAX | Schuyler | 44 min |
| Jul 9, 8:10 PM CDT | Severe Thunderstorm Warning | EAX | Adair, Schuyler | 35 min |
| Jul 9, 8:37 PM CDT | Special Weather Statement | EAX | Grundy | 38 min |
| Jul 9, 8:44 PM CDT | Severe Thunderstorm Warning | EAX | Adair, Schuyler | 46 min |
| Jul 9, 8:50 PM CDT | Special Weather Statement | EAX | Putnam, Schuyler | 40 min |
| Jul 9, 9:18 PM CDT | Special Weather Statement | EAX | Linn | 42 min |
| Jul 9, 9:23 PM CDT | Severe Thunderstorm Warning | EAX | Adair, Macon | 52 min |
| Jul 9, 9:26 PM CDT | Special Weather Statement | EAX | Adair | 49 min |
| Jul 9, 9:36 PM CDT | Tornado Warning | EAX | Adair, Macon | 12 min |
| Jul 9, 10:07 PM CDT | Severe Thunderstorm Warning | EAX | Adair, Macon | 38 min |
| Jul 9, 10:44 PM CDT | Special Weather Statement | EAX | Linn, Macon, Randolph, Sullivan | 46 min |
| Jul 9, 10:51 PM CDT | Special Weather Statement | EAX | Harrison | 39 min |
| Jul 9, 11:28 PM CDT | Special Weather Statement | EAX | Linn, Randolph | 47 min |
| Jul 10, 12:04 AM CDT | Severe Thunderstorm Warning | EAX | Chariton, Howard, Macon, Randolph | 41 min |
| Jul 10, 12:53 AM CDT | Severe Thunderstorm Warning | EAX | Atchison, Holt, Nodaway, Worth | 52 min |
| Jul 10, 1:37 AM CDT | Flash Flood Warning | EAX | Adair, Sullivan | 8 hr |
| Jul 10, 1:40 AM CDT | Severe Thunderstorm Warning | EAX | Andrew, Atchison, DeKalb, Gentry, Holt, Nodaway and 1 more | 50 min |
| Jul 10, 1:44 AM CDT | Severe Thunderstorm Warning | EAX | Buchanan, Clinton, DeKalb, Platte | 46 min |
| Jul 10, 2:09 AM CDT | Severe Thunderstorm Warning | EAX | Clay, Jackson, Platte | 51 min |
| Jul 10, 2:28 AM CDT | Severe Thunderstorm Warning | EAX | Buchanan, Caldwell, Clay, Clinton, Daviess, DeKalb and 2 more | 47 min |
| Jul 10, 2:35 AM CDT | Flash Flood Warning | EAX | Linn, Macon | 7 hr |
| Jul 10, 2:51 AM CDT | Special Weather Statement | EAX | Cass, Jackson, Johnson, Lafayette | 39 min |
| Jul 10, 3:11 AM CDT | Special Weather Statement | EAX | Caldwell, Carroll, Daviess, Grundy, Harrison, Livingston and 2 more | 49 min |
| Jul 10, 3:32 AM CDT | Special Weather Statement | EAX | Cass, Johnson, Lafayette, Pettis, Saline | 43 min |
| Jul 10, 5:30 AM CDT | River Flood Warning | EAX | Chariton, Macon | 3 days |
| Jul 10, 5:30 AM CDT | River Flood Warning | EAX | Carroll, Chariton, Linn, Livingston | 5 days |
| Jul 10, 5:30 AM CDT | River Flood Warning | EAX | Cass, Henry, Johnson | 2 hr |
| Jul 10, 7:46 AM CDT | River Flood Warning | EAX | Howard | 13 hr |
| Jul 10, 8:27 AM CDT | Special Weather Statement | EAX | Bates | 48 min |
| Jul 10, 8:47 AM CDT | Flash Flood Warning | EAX | Bates, Cass | 3 hr |
| Jul 10, 9:45 AM CDT | Areal Flood Advisory | EAX | Adair, Linn, Macon, Sullivan | 4 days |
| Jul 10, 3:47 PM CDT | Special Weather Statement | EAX | Atchison | 43 min |
| Jul 10, 5:07 PM CDT | Special Weather Statement | EAX | Holt | 38 min |
| Jul 10, 6:06 PM CDT | Special Weather Statement | EAX | Buchanan, Clinton, Daviess, DeKalb, Gentry | 39 min |
| Jul 10, 6:18 PM CDT | Severe Thunderstorm Warning | EAX | Buchanan, Clay, Clinton, Platte | 27 min |
| Jul 10, 6:25 PM CDT | Special Weather Statement | EAX | Jackson | 50 min |
| Jul 10, 6:47 PM CDT | Special Weather Statement | EAX | Clay, Clinton, Platte | 43 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.