Alert archive / Missouri / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 80, NWS Kansas City, MO

July 10, 20214 counties in Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Jul 10, 2021, 12:04 AM CDT for 4 counties in Missouri. It was in force for 41 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: Jul 10, 2021, 12:04 AM CDT (05:04 UTC)
Expired: Jul 10, 2021, 12:45 AM CDT
In force: 41 min
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Chariton County, MO, Howard County, MO, Macon County, MO, Randolph County, MO

The radar

The Pleasant Hill radar (KEAX), 153 km from the middle of the area, began a volume at 05:06 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
Jul 9, 8:18 PM CDT	Tornado Watch	SPC	6 hr
Jul 9, 9:58 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 5.1 hours before the alert went out and 256 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

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

Open this sounding in Storm Lab

The text

As transmitted.

325 
WUUS53 KEAX 100504
SVREAX
MOC041-089-121-175-100545-
/O.NEW.KEAX.SV.W.0080.210710T0504Z-210710T0545Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Kansas City/Pleasant Hill MO
1204 AM CDT Sat Jul 10 2021

The National Weather Service in Pleasant Hill has issued a

* Severe Thunderstorm Warning for...
  Chariton County in north central Missouri...
  Randolph County in north central Missouri...
  Northern Howard County in central Missouri...
  Southwestern Macon County in north central Missouri...

* Until 1245 AM CDT.

* At 1204 AM CDT, a severe thunderstorm was located 9 miles southeast
  of Marceline, moving southeast at 40 mph.

  HAZARD...60 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Moberly, Marceline, Salisbury, Huntsville, Glasgow, Bevier, Higbee,
  Keytesville, Callao, Cairo, Armstrong, New Cambria, Renick,
  Jacksonville, Clifton Hill, Rothville, Prairie Hill and Wien.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 200 AM CDT for central and
north central Missouri.

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3924 9251 3923 9289 3970 9310 3971 9306
      3970 9286 3975 9286 3981 9261 3938 9235
TIME...MOT...LOC 0504Z 331DEG 33KT 3964 9279 

HAIL...0.75IN
WIND...60MPH
 
$$

Leighton

2 follow-up statements

776 
WWUS53 KEAX 100527
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
1227 AM CDT Sat Jul 10 2021

MOC121-100536-
/O.CAN.KEAX.SV.W.0080.000000T0000Z-210710T0545Z/
Macon MO-
1227 AM CDT Sat Jul 10 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN MACON COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 200 AM CDT for central and
north central Missouri.

LAT...LON 3924 9251 3923 9289 3956 9304 3961 9269
      3960 9249 3938 9235
TIME...MOT...LOC 0526Z 331DEG 33KT 3946 9266 

$$

MOC041-089-175-100545-
/O.CON.KEAX.SV.W.0080.000000T0000Z-210710T0545Z/
Chariton MO-Randolph MO-Howard MO-
1227 AM CDT Sat Jul 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 AM CDT
FOR SOUTHEASTERN CHARITON...RANDOLPH AND NORTHERN HOWARD COUNTIES...

At 1226 AM CDT, a severe thunderstorm was located near Huntsville,
moving southeast at 40 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Moberly, Salisbury, Huntsville, Glasgow, Higbee, Keytesville, Cairo,
Armstrong, Renick, Clifton Hill and Prairie Hill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 200 AM CDT for central and
north central Missouri.

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3924 9251 3923 9289 3956 9304 3961 9269
      3960 9249 3938 9235
TIME...MOT...LOC 0526Z 331DEG 33KT 3946 9266 

HAIL...0.75IN
WIND...60MPH
 
$$

Leighton

454 
WWUS53 KEAX 100545
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
1245 AM CDT Sat Jul 10 2021

MOC041-089-175-100555-
/O.EXP.KEAX.SV.W.0080.000000T0000Z-210710T0545Z/
Chariton MO-Randolph MO-Howard MO-
1245 AM CDT Sat Jul 10 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CHARITON...
RANDOLPH AND NORTHERN HOWARD COUNTIES HAS EXPIRED...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been allowed to expire.

A Tornado Watch remains in effect until 200 AM CDT for central and
north central Missouri.

LAT...LON 3924 9251 3923 9289 3956 9304 3961 9269
      3960 9249 3938 9235
TIME...MOT...LOC 0545Z 331DEG 33KT 3933 9257 

$$

Leighton

The 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, 12:53 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, 2:32 AM CDT	Severe Thunderstorm Warning	EAX	Andrew, Daviess, DeKalb, Gentry, Harrison, Nodaway and 1 more	43 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, 2021 Every 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.