Alert archive / Missouri / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 96, NWS Kansas City, MO
NWS Kansas City, MO issued this severe thunderstorm warning at Jul 30, 2021, 11:45 PM CDT for 6 counties in Missouri. It was in force for 45 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 30, 2021, 11:45 PM CDT (04:45 UTC)
- Expired
- Jul 31, 2021, 12:30 AM CDT
- In force
- 45 min
- Issued by
- NWS Kansas City, MO
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Daviess County, MO, DeKalb County, MO, Gentry County, MO, Grundy County, MO, Harrison County, MO, Livingston County, MO
The radar
The Pleasant Hill radar (KEAX), 142 km from the middle of the area, began a volume at 04:45 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 30, 11:45 PM CDT | TSTM WND DMG | Mcfall, MO | DELAYED REPORT... SEVERAL 4 TO 5 INCH TREE LIMBS DOWN IN MCFALL. |
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 30, 8:47 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Topeka, KS (KTOP), launched 00:00Z, 4.8 hours before the alert went out and 178 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
- 1481 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 2071 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 120 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.2
The text
As transmitted.
000
WUUS53 KEAX 310445
SVREAX
MOC061-063-075-079-081-117-310530-
/O.NEW.KEAX.SV.W.0096.210731T0445Z-210731T0530Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Kansas City/Pleasant Hill MO
1145 PM CDT Fri Jul 30 2021
The National Weather Service in Pleasant Hill has issued a
* Severe Thunderstorm Warning for...
Daviess County in north central Missouri...
Southwestern Grundy County in north central Missouri...
Southern Gentry County in northwestern Missouri...
Southern Harrison County in north central Missouri...
DeKalb County in northwestern Missouri...
Northwestern Livingston County in north central Missouri...
* Until 1230 AM CDT.
* At 1145 PM CDT, severe thunderstorms were located along a line
extending from near Bethany to 7 miles west of Pattonsburg to 11
miles north of Savannah, moving southeast at 30 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.
* Severe thunderstorms will be near...
Bethany around 1150 PM CDT.
Pattonsburg around 1155 PM CDT.
King City and Gilman City around 1205 AM CDT.
Other locations in the path of these severe thunderstorms include
Union Star, Gallatin, Trenton, Jamesport and Clarksdale.
This includes Interstate 35 in Missouri between mile markers 58 and
95.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4034 9393 3993 9340 3979 9394 3982 9459
4012 9460 4020 9429
TIME...MOT...LOC 0445Z 321DEG 26KT 4026 9395 4006 9427 4010 9477
HAIL...1.00IN
WIND...60MPH
$$
Blair3 follow-up statements
412
WWUS53 KEAX 310504
SVSEAX
Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
1204 AM CDT Sat Jul 31 2021
MOC075-310513-
/O.CAN.KEAX.SV.W.0096.000000T0000Z-210731T0530Z/
Gentry MO-
1204 AM CDT Sat Jul 31 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN GENTRY COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 200 AM CDT for
north central and northwestern Missouri.
LAT...LON 3993 9340 3979 9394 3982 9459 4004 9460
4003 9423 4024 9380
TIME...MOT...LOC 0503Z 321DEG 26KT 4016 9385 3996 9417 4000 9467
$$
MOC061-063-079-081-117-310530-
/O.CON.KEAX.SV.W.0096.000000T0000Z-210731T0530Z/
Daviess MO-Grundy MO-Harrison MO-DeKalb MO-Livingston MO-
1204 AM CDT Sat Jul 31 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT
FOR DAVIESS...SOUTHWESTERN GRUNDY...SOUTHEASTERN HARRISON...DEKALB
AND NORTHWESTERN LIVINGSTON COUNTIES...
At 1203 AM CDT, severe thunderstorms were located along a line
extending from near Gilman City to 6 miles south of Pattonsburg to
near Union Star, moving southeast at 30 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...
Trenton, Gallatin, Maysville, Jamesport, Union Star, Gilman City,
Pattonsburg, Clarksdale, Winston, Chula, Altamont, Coffey, Jameson,
Weatherby, Brimson, Lock Springs, Amity, Spring Hill, Fairport and
Santa Rosa.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3993 9340 3979 9394 3982 9459 4004 9460
4003 9423 4024 9380
TIME...MOT...LOC 0503Z 321DEG 26KT 4016 9385 3996 9417 4000 9467
HAIL...1.00IN
WIND...60MPH
$$
Blair877
WWUS53 KEAX 310513
SVSEAX
Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
1213 AM CDT Sat Jul 31 2021
MOC081-310523-
/O.CAN.KEAX.SV.W.0096.000000T0000Z-210731T0530Z/
Harrison MO-
1213 AM CDT Sat Jul 31 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HARRISON COUNTY
IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 200 AM CDT for
north central and northwestern Missouri.
LAT...LON 3993 9340 3979 9394 3982 9459 4002 9460
4001 9422 4010 9364
TIME...MOT...LOC 0513Z 320DEG 26KT 4001 9377 3992 9413 3993 9447
$$
MOC061-063-079-117-310530-
/O.CON.KEAX.SV.W.0096.000000T0000Z-210731T0530Z/
Daviess MO-Grundy MO-DeKalb MO-Livingston MO-
1213 AM CDT Sat Jul 31 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT
FOR DAVIESS...SOUTHWESTERN GRUNDY...DEKALB AND NORTHWESTERN
LIVINGSTON COUNTIES...
At 1213 AM CDT, severe thunderstorms were located along a line
extending from near Jamesport to 8 miles west of Gallatin to 6 miles
northwest of Maysville, moving southeast at 30 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...
Trenton, Gallatin, Maysville, Jamesport, Union Star, Clarksdale,
Winston, Chula, Altamont, Jameson, Weatherby, Lock Springs, Amity,
Spring Hill, Fairport and Santa Rosa.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3993 9340 3979 9394 3982 9459 4002 9460
4001 9422 4010 9364
TIME...MOT...LOC 0513Z 320DEG 26KT 4001 9377 3992 9413 3993 9447
HAIL...1.00IN
WIND...60MPH
$$
Blair672
WWUS53 KEAX 310527
SVSEAX
Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
1227 AM CDT Sat Jul 31 2021
MOC061-063-079-117-310537-
/O.EXP.KEAX.SV.W.0096.000000T0000Z-210731T0530Z/
Daviess MO-Grundy MO-DeKalb MO-Livingston MO-
1227 AM CDT Sat Jul 31 2021
...THE SEVERE THUNDERSTORM WARNING FOR DAVIESS...SOUTHWESTERN
GRUNDY...DEKALB AND NORTHWESTERN LIVINGSTON COUNTIES WILL EXPIRE AT
1230 AM CDT...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However gusty
winds up to 50 mph are still possible with these thunderstorms.
A Severe Thunderstorm Watch remains in effect until 200 AM CDT for
north central and northwestern Missouri.
LAT...LON 3993 9340 3979 9394 3982 9459 4002 9460
4001 9422 4010 9364
TIME...MOT...LOC 0527Z 321DEG 26KT 3995 9370 3986 9406 3987 9440
$$
BlairThe office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 30, 10:05 PM CDT | Severe Thunderstorm Warning | EAX | Atchison, Gentry, Nodaway, Worth | 55 min |
| Jul 30, 10:57 PM CDT | Severe Thunderstorm Warning | EAX | Andrew, Gentry, Harrison, Nodaway, Worth | 48 min |
| Jul 30, 10:59 PM CDT | Severe Thunderstorm Warning | EAX | Harrison, Mercer | 46 min |
| Jul 31, 12:27 AM CDT | Special Weather Statement | EAX | Livingston | 33 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.