Alert archive / Missouri / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 8, NWS Kansas City, MO

March 17, 2021Bates County, Missouri; Linn County, Kansas

NWS Kansas City, MO issued this severe thunderstorm warning at Mar 17, 2021, 5:02 AM CDT for Bates County, Missouri; Linn County, Kansas. 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: Mar 17, 2021, 5:02 AM CDT (10:02 UTC)
Expired: Mar 17, 2021, 5:45 AM CDT
In force: 43 min
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

Counties Linn County, KS, Bates County, MO

The radar

The Pleasant Hill radar (KEAX), 88 km from the middle of the area, began a volume at 10:03 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
Mar 17, 5:20 AM CDT	HAIL 1	1 Wnw Prescott, KS	VIDEO OBTAINED VIA SOCIAL MEDIA INDICATED QUARTER SIZED HAIL ON THE GROUND AT DS TRUCK STOP WEST OF PRESCOTT.

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
Mar 17, 1:54 AM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 10.0 hours before the alert went out and 117 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 964 m above ground
0-6 km bulk shear: 65 kt
0-1 km storm-relative helicity: 295 m²/s²
0-3 km storm-relative helicity: 405 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

348 
WUUS53 KEAX 171002
SVREAX
KSC107-MOC013-171045-
/O.NEW.KEAX.SV.W.0008.210317T1002Z-210317T1045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Kansas City/Pleasant Hill MO
502 AM CDT Wed Mar 17 2021

The National Weather Service in Pleasant Hill has issued a

* Severe Thunderstorm Warning for...
  Linn County in east central Kansas...
  West central Bates County in west central Missouri...

* Until 545 AM CDT.

* At 502 AM CDT, a severe thunderstorm was located 7 miles west of
  Fulton, or 10 miles south of Mound City, moving northeast at 45
  mph.

  HAZARD...Quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

* Locations impacted include...
  Pleasanton, La Cygne, Mound City, Linn Valley, Hume, Parker, Blue
  Mound, Prescott, Amsterdam, Amoret, Foster and Worland.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3804 9502 3805 9504 3834 9502 3838 9463
      3822 9447 3804 9462
TIME...MOT...LOC 1002Z 205DEG 38KT 3799 9486 

HAIL...1.00IN
WIND...<50MPH
 
$$

Leighton

3 follow-up statements

952 
WWUS53 KEAX 171019
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
519 AM CDT Wed Mar 17 2021

KSC107-MOC013-171045-
/O.CON.KEAX.SV.W.0008.000000T0000Z-210317T1045Z/
Linn KS-Bates MO-
519 AM CDT Wed Mar 17 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 AM CDT
FOR EASTERN LINN AND WEST CENTRAL BATES COUNTIES...

At 519 AM CDT, a severe thunderstorm was located over Prescott, or
near Pleasanton, moving northeast at 40 mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

Locations impacted include...
Pleasanton, La Cygne, Mound City, Linn Valley, Hume, Prescott,
Amsterdam, Amoret, Foster and Worland.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3805 9481 3836 9487 3838 9463 3822 9447
      3804 9462
TIME...MOT...LOC 1019Z 210DEG 35KT 3809 9473 

HAIL...1.00IN
WIND...<50MPH
 
$$

Leighton

432 
WWUS53 KEAX 171035
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
535 AM CDT Wed Mar 17 2021

KSC107-MOC013-171045-
/O.CON.KEAX.SV.W.0008.000000T0000Z-210317T1045Z/
Linn KS-Bates MO-
535 AM CDT Wed Mar 17 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 AM CDT
FOR EAST CENTRAL LINN AND WEST CENTRAL BATES COUNTIES...

At 535 AM CDT, a severe thunderstorm was located near Pleasanton,
moving northeast at 45 mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

Locations impacted include...
Pleasanton, Hume, Amsterdam, Amoret, Foster and Worland. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3818 9471 3838 9463 3838 9462 3822 9447
      3809 9458
TIME...MOT...LOC 1035Z 209DEG 40KT 3823 9461 

HAIL...1.00IN
WIND...<50MPH
 
$$

Leighton

398 
WWUS53 KEAX 171042
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
542 AM CDT Wed Mar 17 2021

KSC107-MOC013-171052-
/O.EXP.KEAX.SV.W.0008.000000T0000Z-210317T1045Z/
Linn KS-Bates MO-
542 AM CDT Wed Mar 17 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL LINN AND WEST
CENTRAL BATES COUNTIES WILL EXPIRE AT 545 AM 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.  However small
hail, gusty winds and heavy rain are still possible with this
thunderstorm.

A Severe Thunderstorm Watch remains in effect until 800 AM CDT for
east central Kansas...and west central Missouri.

LAT...LON 3818 9471 3838 9463 3838 9462 3822 9447
      3809 9458
TIME...MOT...LOC 1042Z 205DEG 38KT 3829 9457 

$$

Leighton

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 17, 3:09 AM CDT	Special Weather Statement	EAX	Bates	51 min
Mar 17, 3:23 AM CDT	Severe Thunderstorm Warning	EAX	Bates, Cass, Henry	37 min
Mar 17, 4:01 AM CDT	Severe Thunderstorm Warning	EAX	Henry, Johnson	44 min
Mar 17, 4:16 AM CDT	Special Weather Statement	EAX	Henry	44 min
Mar 17, 6:01 AM CDT	Special Weather Statement	EAX	Bates, Henry	44 min
Mar 17, 6:51 AM CDT	River Flood Warning	EAX	Cooper	65 hr
Mar 17, 7:00 AM CDT	River Flood Warning	EAX	Cooper	54 hr
Mar 17, 8:11 AM CDT	Special Weather Statement	EAX	Buchanan, Clay, Jackson, Platte	49 min
Mar 17, 9:24 AM CDT	River Flood Warning	EAX	Bates	21 days
Mar 17, 9:48 AM CDT	River Flood Warning	EAX	Carroll, Chariton, Saline	53 hr
Mar 17, 9:48 AM CDT	River Flood Warning	EAX	Jackson, Lafayette, Ray	4 days
Mar 17, 9:48 AM CDT	River Flood Warning	EAX	Carroll, Lafayette, Saline	4 days
Mar 17, 9:48 AM CDT	River Flood Warning	EAX	Cooper, Howard	68 hr
Mar 17, 9:48 AM CDT	River Flood Warning	EAX	Chariton, Howard, Saline	5 days
Mar 17, 10:25 AM CDT	River Flood Warning	EAX	Howard	38 hr
Mar 17, 10:25 AM CDT	River Flood Warning	EAX	Ray	3 days
Mar 17, 2:15 PM CDT	Winter Weather Advisory	EAX	Bates, Buchanan, Caldwell, Carroll, Cass, Clay and 7 more	14 hr
Mar 17, 2:57 AM CDT	Special Weather Statement	EAX	Leavenworth	48 min
Mar 17, 4:53 AM CDT	Special Weather Statement	EAX	Miami	52 min
Mar 17, 9:24 AM CDT	River Flood Warning	EAX	Miami	4 days
Mar 17, 9:24 AM CDT	River Flood Warning	EAX	Linn	6 days

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.