Alert archive / Missouri / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 64, NWS Kansas City, MO

June 24, 20219 counties in Missouri; Atchison County, Leavenworth County, Wyandotte County, Kansas

NWS Kansas City, MO issued this severe thunderstorm warning at Jun 24, 2021, 9:33 PM CDT for 9 counties in Missouri; Atchison County, Leavenworth County, Wyandotte County, Kansas. It was in force for 57 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: Jun 24, 2021, 9:33 PM CDT (02:33 UTC)
Expired: Jun 24, 2021, 10:30 PM CDT
In force: 57 min
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Atchison County, KS, Leavenworth County, KS, Wyandotte County, KS, Buchanan County, MO, Caldwell County, MO, Carroll County, MO, Clay County, MO, Clinton County, MO, Jackson County, MO, Lafayette County, MO, Platte County, MO, Ray County, MO

The radar

The Pleasant Hill radar (KEAX), 80 km from the middle of the area, began a volume at 02:34 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 24, 8:57 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 2.6 hours before the alert went out and 88 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: 2766 J/kg
Mixed-layer CIN: -47 J/kg
Mixed-layer LCL: 1424 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 225 m²/s²
0-3 km storm-relative helicity: 404 m²/s²
Significant tornado parameter: 2.2
Supercell composite: 23.2

Open this sounding in Storm Lab

The text

As transmitted.

759 
WUUS53 KEAX 250233
SVREAX
KSC005-103-209-MOC021-025-033-047-049-095-107-165-177-250330-
/O.NEW.KEAX.SV.W.0064.210625T0233Z-210625T0330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Kansas City/Pleasant Hill MO
933 PM CDT Thu Jun 24 2021

The National Weather Service in Pleasant Hill has issued a

* Severe Thunderstorm Warning for...
  Wyandotte County in northeastern Kansas...
  Leavenworth County in northeastern Kansas...
  Southern Atchison County in northeastern Kansas...
  Southeastern Buchanan County in northwestern Missouri...
  Clay County in west central Missouri...
  Clinton County in northwestern Missouri...
  Ray County in west central Missouri...
  Southwestern Carroll County in north central Missouri...
  Southwestern Caldwell County in north central Missouri...
  Northwestern Lafayette County in west central Missouri...
  Platte County in west central Missouri...
  Northern Jackson County in west central Missouri...

* Until 1030 PM CDT.

* At 932 PM CDT, severe thunderstorms were located along a line
  extending from 6 miles west of Kingston to near Holt to near Camden
  Point to near Effingham, moving southeast at 35 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Kansas City, Independence, Leavenworth, Liberty, Gladstone,
  Lansing, Excelsior Springs, Atchison, Cameron, Smithville, Kearney,
  Bonner Springs, Richmond, Parkville, Tonganoxie, Lexington, Platte
  City, Basehor, Edwardsville and North Kansas City.

This includes the following highways...
 Interstate 70 in Missouri between mile markers 0 and 4.
 Interstate 70 in Kansas between mile markers 410 and 423.
 Interstate 35 in Missouri between mile markers 2 and 53.
 Interstate 29 between mile markers 0 and 31.
 Interstate 635 between mile markers 4 and 12.
 Interstate 435 between mile markers 12 and 59.
 Kansas Turnpike between mile markers 223 and 226.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3956 9557 3952 9489 3961 9442 3975 9424
      3940 9350 3915 9379 3909 9457 3909 9518
      3942 9518 3942 9557
TIME...MOT...LOC 0232Z 306DEG 32KT 3962 9415 3950 9436 3947 9482 3951
9535

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

Kurtz

2 follow-up statements

641 
WWUS53 KEAX 250302
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
1002 PM CDT Thu Jun 24 2021

MOC021-250312-
/O.CAN.KEAX.SV.W.0064.000000T0000Z-210625T0330Z/
Buchanan MO-
1002 PM CDT Thu Jun 24 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BUCHANAN 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 300 AM CDT for
northeastern Kansas...and north central, northwestern and west
central Missouri.

LAT...LON 3942 9536 3954 9524 3952 9489 3953 9460
      3955 9460 3958 9431 3970 9413 3940 9350
      3915 9379 3909 9457 3909 9518 3942 9518
TIME...MOT...LOC 0302Z 306DEG 32KT 3948 9390 3936 9411 3933 9457 3937
9510

$$

KSC005-103-209-MOC025-033-047-049-095-107-165-177-250330-
/O.CON.KEAX.SV.W.0064.000000T0000Z-210625T0330Z/
Wyandotte KS-Leavenworth KS-Atchison KS-Clay MO-Clinton MO-Ray MO-
Carroll MO-Caldwell MO-Lafayette MO-Platte MO-Jackson MO-
1002 PM CDT Thu Jun 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT
FOR WYANDOTTE...LEAVENWORTH...SOUTHEASTERN ATCHISON...CLAY...SOUTHERN
CLINTON...RAY...SOUTHWESTERN CARROLL...SOUTHWESTERN CALDWELL...
NORTHWESTERN LAFAYETTE...PLATTE AND NORTHERN JACKSON COUNTIES...

At 1002 PM CDT, severe thunderstorms were located along a line
extending from near Cowgill to near Woods Heights to near Smithville
to Easton, moving southeast at 35 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Kansas City, Independence, Leavenworth, Liberty, Gladstone, Lansing,
Excelsior Springs, Atchison, Smithville, Kearney, Bonner Springs,
Richmond, Parkville, Tonganoxie, Lexington, Platte City, Basehor,
Edwardsville, North Kansas City and Sugar Creek.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3942 9536 3954 9524 3952 9489 3953 9460
      3955 9460 3958 9431 3970 9413 3940 9350
      3915 9379 3909 9457 3909 9518 3942 9518
TIME...MOT...LOC 0302Z 306DEG 32KT 3948 9390 3936 9411 3933 9457 3937
9510

HAIL...<.75IN
WIND...60MPH
 
$$

Kurtz

384 
WWUS53 KEAX 250331
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
1031 PM CDT Thu Jun 24 2021

KSC005-103-209-MOC025-033-047-049-095-107-165-177-250341-
/O.EXP.KEAX.SV.W.0064.000000T0000Z-210625T0330Z/
Wyandotte KS-Leavenworth KS-Atchison KS-Clay MO-Clinton MO-Ray MO-
Carroll MO-Caldwell MO-Lafayette MO-Platte MO-Jackson MO-
1031 PM CDT Thu Jun 24 2021

...THE SEVERE THUNDERSTORM WARNING FOR WYANDOTTE...LEAVENWORTH...
SOUTHEASTERN ATCHISON...CLAY...SOUTHERN CLINTON...RAY...SOUTHWESTERN
CARROLL...SOUTHWESTERN CALDWELL...NORTHWESTERN LAFAYETTE...PLATTE AND
NORTHERN JACKSON COUNTIES HAS EXPIRED...
    
The storms which prompted the warning have weakened below severe
limits, and have exited the warned area. Therefore, the warning has
been allowed to expire.  However gusty winds are still possible with
these thunderstorms.

A Severe Thunderstorm Watch remains in effect until 300 AM CDT for
northeastern Kansas...and north central, northwestern and west
central Missouri.

LAT...LON 3942 9536 3954 9524 3952 9489 3953 9460
      3955 9460 3958 9431 3970 9413 3940 9350
      3915 9379 3909 9457 3909 9518 3942 9518
TIME...MOT...LOC 0331Z 306DEG 32KT 3934 9366 3922 9387 3920 9433 3924
9486

$$

Kurtz

The office that day

Everything else NWS Kansas City, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 24, 7:03 PM CDT	Severe Thunderstorm Warning	EAX	Atchison	42 min
Jun 24, 7:17 PM CDT	Severe Thunderstorm Warning	EAX	Andrew, Holt, Nodaway	43 min
Jun 24, 7:24 PM CDT	Special Weather Statement	EAX	Mercer	51 min
Jun 24, 7:39 PM CDT	Flash Flood Warning	EAX	Daviess, DeKalb, Gentry, Grundy, Harrison, Mercer and 1 more	6 hr
Jun 24, 7:45 PM CDT	Severe Thunderstorm Warning	EAX	Andrew, DeKalb, Gentry, Nodaway	45 min
Jun 24, 7:55 PM CDT	Special Weather Statement	EAX	Andrew, DeKalb	50 min
Jun 24, 8:12 PM CDT	Severe Thunderstorm Warning	EAX	Andrew, Daviess, DeKalb, Gentry, Grundy, Harrison and 2 more	48 min
Jun 24, 8:14 PM CDT	Severe Thunderstorm Warning	EAX	Mercer, Putnam	24 min
Jun 24, 8:16 PM CDT	River Flood Warning	EAX	Chariton, Macon	19 hr
Jun 24, 8:16 PM CDT	River Flood Warning	EAX	Andrew, Nodaway	14 hr
Jun 24, 8:16 PM CDT	River Flood Warning	EAX	Andrew, Buchanan	3 days
Jun 24, 8:16 PM CDT	River Flood Warning	EAX	Carroll, Chariton	9 days
Jun 24, 8:27 PM CDT	Flash Flood Warning	EAX	Andrew, Buchanan, Holt	16 hr
Jun 24, 8:37 PM CDT	Severe Thunderstorm Warning	EAX	Andrew, Buchanan, Clinton, DeKalb, Holt	38 min
Jun 24, 8:48 PM CDT	Flash Flood Warning Considerable damage threat	EAX	Mercer	3 hr
Jun 24, 8:51 PM CDT	Severe Thunderstorm Warning	EAX	Caldwell, Daviess, DeKalb, Grundy, Harrison, Linn and 4 more	54 min
Jun 24, 9:00 PM CDT	Severe Thunderstorm Warning	EAX	Buchanan, Caldwell, Clay, Clinton, DeKalb, Platte and 1 more	60 min
Jun 24, 9:13 PM CDT	Tornado Warning	EAX	Grundy, Sullivan	17 min
Jun 24, 9:29 PM CDT	Severe Thunderstorm Warning	EAX	Adair, Caldwell, Carroll, Chariton, Daviess, Grundy and 7 more	61 min
Jun 24, 9:35 PM CDT	River Flood Warning	EAX	Cooper, Saline	11 days
Jun 24, 9:35 PM CDT	River Flood Warning	EAX	Cooper	60 hr
Jun 24, 9:35 PM CDT	River Flood Warning	EAX	Carroll	8 days
Jun 24, 9:35 PM CDT	River Flood Warning	EAX	Johnson, Pettis	71 hr
Jun 24, 9:35 PM CDT	River Flood Warning	EAX	Chariton, Howard, Saline	9 days
Jun 24, 9:35 PM CDT	River Flood Warning	EAX	Cooper, Howard	10 days
Jun 24, 9:40 PM CDT	Tornado Warning	EAX	Putnam, Sullivan	20 min
Jun 24, 9:58 PM CDT	Tornado Warning	EAX	Adair, Sullivan	17 min
Jun 24, 10:18 PM CDT	Tornado Warning	EAX	Carroll, Lafayette, Saline	27 min
Jun 24, 10:24 PM CDT	Severe Thunderstorm Warning	EAX	Adair, Carroll, Chariton, Howard, Lafayette, Linn and 6 more	51 min
Jun 24, 10:25 PM CDT	Areal Flood Advisory	EAX	Buchanan, Clay, Clinton, Platte	3 hr
Jun 24, 10:43 PM CDT	Severe Thunderstorm Warning	EAX	Clay, Platte	32 min
Jun 24, 11:17 PM CDT	Special Weather Statement	EAX	Cooper, Howard, Randolph, Saline	58 min
Jun 25, 12:57 AM CDT	Flash Flood Warning	EAX	Caldwell, Clinton, Daviess, DeKalb	10 hr
Jun 25, 1:17 AM CDT	Areal Flood Warning	EAX	Daviess, DeKalb, Gentry, Grundy, Harrison, Mercer and 1 more	12 hr
Jun 25, 1:28 AM CDT	Areal Flood Advisory	EAX	Carroll, Chariton, Cooper, Howard, Lafayette, Saline	3 hr
Jun 25, 1:34 AM CDT	River Flood Warning	EAX	Clay, Ray	34 hr
Jun 25, 1:59 AM CDT	River Flood Warning	EAX	Andrew, Buchanan	63 hr
Jun 25, 2:02 AM CDT	River Flood Warning	EAX	Buchanan, Platte	27 hr
Jun 25, 2:03 AM CDT	River Flood Warning	EAX	Platte	65 hr
Jun 25, 2:04 AM CDT	River Flood Warning	EAX	Platte	27 hr
Jun 25, 2:07 AM CDT	River Flood Warning	EAX	Jackson, Lafayette, Ray	4 days
Jun 25, 2:10 AM CDT	River Flood Warning	EAX	Carroll, Lafayette, Saline	4 days
Jun 25, 2:11 AM CDT	Flash Flood Warning Considerable damage threat	EAX	Andrew, Holt, Nodaway	10 hr
Jun 25, 2:13 AM CDT	River Flood Warning	EAX	Carroll, Chariton, Saline	8 days
Jun 25, 2:20 AM CDT	Areal Flood Warning	EAX	Atchison, Holt, Nodaway	12 hr
Jun 25, 2:26 AM CDT	River Flood Warning	EAX	Atchison, Holt	6 hr
Jun 25, 2:26 AM CDT	River Flood Warning	EAX	Grundy, Livingston	13 hr
Jun 25, 3:13 AM CDT	Flash Flood Warning Considerable damage threat	EAX	Carroll, Chariton, Howard, Saline	7 hr
Jun 25, 3:59 AM CDT	Special Weather Statement	EAX	Platte	46 min
Jun 25, 4:21 AM CDT	Severe Thunderstorm Warning	EAX	Platte	39 min
Jun 25, 4:28 AM CDT	Flash Flood Warning	EAX	Caldwell, Carroll, Lafayette, Livingston, Ray, Saline	4 hr
Jun 25, 4:46 AM CDT	Areal Flood Advisory	EAX	Clay, Clinton, Jackson, Platte, Ray	3 hr
Jun 25, 4:55 AM CDT	Flash Flood Warning	EAX	Carroll, Lafayette, Ray, Saline	6 hr
Jun 25, 5:24 AM CDT	Flash Flood Warning	EAX	Cooper, Howard	5 hr
Jun 25, 7:25 AM CDT	Areal Flood Advisory	EAX	Cooper, Pettis, Saline	4 hr
Jun 25, 8:13 AM CDT	Areal Flood Warning	EAX	Buchanan, Caldwell, Clay, Clinton, Platte, Ray	3 hr
Jun 25, 8:40 AM CDT	River Flood Warning	EAX	Cass, Henry, Johnson	8 days
Jun 25, 9:12 AM CDT	Areal Flood Warning	EAX	Caldwell, Carroll, Chariton, Cooper, Daviess, Howard and 7 more	4 days
Jun 25, 9:23 AM CDT	Areal Flood Warning	EAX	Andrew, Buchanan, Clinton, DeKalb, Holt	12 hr
Jun 25, 1:25 PM CDT	Areal Flood Warning	EAX	Buchanan, Clay, Clinton, Platte	9 hr
Jun 25, 2:53 PM CDT	Special Weather Statement	EAX	Cass	67 min
Jun 25, 3:42 PM CDT	Severe Thunderstorm Warning	EAX	Cass, Johnson	33 min
Jun 25, 3:54 PM CDT	Severe Thunderstorm Warning	EAX	Clay, Jackson, Platte	24 min
Jun 25, 3:59 PM CDT	Flash Flood Warning	EAX	Cass	6 hr
Jun 25, 4:14 PM CDT	Severe Thunderstorm Warning	EAX	Platte	46 min
Jun 25, 4:22 PM CDT	Severe Thunderstorm Warning	EAX	Cooper, Howard	38 min
Jun 25, 4:31 PM CDT	Severe Thunderstorm Warning	EAX	Henry, Johnson	44 min
Jun 25, 4:52 PM CDT	Tornado Warning	EAX	Henry, Johnson	23 min
Jun 25, 4:56 PM CDT	Severe Thunderstorm Warning	EAX	Henry, Johnson, Pettis	49 min
Jun 25, 4:57 PM CDT	Flash Flood Warning	EAX	Henry, Johnson	6 hr
Jun 25, 5:06 PM CDT	Severe Thunderstorm Warning	EAX	Bates, Cass	39 min
Jun 25, 5:57 PM CDT	Flash Flood Warning	EAX	Bates, Cass, Henry	6 hr
Jun 25, 6:10 PM CDT	Flash Flood Warning	EAX	Cooper, Howard, Saline	6 hr
Jun 25, 8:36 AM CDT	River Flood Warning	EAX	Atchison, Leavenworth	54 hr
Jun 25, 8:38 AM CDT	River Flood Warning	EAX	Leavenworth	59 hr
Jun 25, 2:11 PM CDT	Special Weather Statement	EAX	Miami	49 min
Jun 25, 3:21 PM CDT	Special Weather Statement	EAX	Johnson	39 min
Jun 25, 4:40 PM CDT	Severe Thunderstorm Warning	EAX	Johnson, Linn, Miami	35 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2021 Severe Thunderstorm Warnings in Kansas, 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.