Alert archive / Missouri / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 6, NWS Kansas City, MO

March 17, 2021Bates County, Cass County, Henry County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Mar 17, 2021, 3:23 AM CDT for Bates County, Cass County, Henry County, Missouri. It was in force for 37 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: Mar 17, 2021, 3:23 AM CDT (08:23 UTC)
Expired: Mar 17, 2021, 4:00 AM CDT
In force: 37 min
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

Counties Bates County, MO, Cass County, MO, Henry County, MO

The radar

The Pleasant Hill radar (KEAX), 38 km from the middle of the area, began a volume at 08:25 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
Mar 17, 1:54 AM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 8.4 hours before the alert went out and 135 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.

418 
WUUS53 KEAX 170823
SVREAX
MOC013-037-083-170900-
/O.NEW.KEAX.SV.W.0006.210317T0823Z-210317T0900Z/

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

The National Weather Service in Pleasant Hill has issued a

* Severe Thunderstorm Warning for...
  Southern Cass County in west central Missouri...
  Northwestern Henry County in west central Missouri...
  Bates County in west central Missouri...

* Until 400 AM CDT.

* At 323 AM CDT, a severe thunderstorm was located near Butler,
  moving north at 35 mph.

  HAZARD...Quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

* Locations impacted include...
  Butler, Adrian, Garden City, Archie, Urich, Creighton, Foster,
  Passaic and Ballard.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3852 9459 3859 9415 3858 9412 3857 9411
      3857 9410 3850 9390 3818 9411 3817 9454
TIME...MOT...LOC 0823Z 200DEG 30KT 3823 9422 

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

Leighton

2 follow-up statements

300 
WWUS53 KEAX 170832
SVSEAX

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

MOC013-037-083-170900-
/O.CON.KEAX.SV.W.0006.000000T0000Z-210317T0900Z/
Cass MO-Henry MO-Bates MO-
332 AM CDT Wed Mar 17 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 AM CDT
FOR SOUTHEASTERN CASS...NORTHWESTERN HENRY AND NORTHEASTERN BATES
COUNTIES...

At 332 AM CDT, a severe thunderstorm was located 8 miles east of
Butler, moving north at 35 mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

Locations impacted include...
Butler, Adrian, Garden City, Archie, Urich, Creighton, Passaic and
Ballard.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3857 9428 3858 9412 3857 9411 3857 9410
      3850 9390 3824 9407 3821 9435 3855 9442
TIME...MOT...LOC 0832Z 200DEG 29KT 3829 9418 

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

Leighton

770 
WWUS53 KEAX 170840
SVSEAX

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

MOC013-037-083-170900-
/O.CON.KEAX.SV.W.0006.000000T0000Z-210317T0900Z/
Cass MO-Henry MO-Bates MO-
340 AM CDT Wed Mar 17 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 AM CDT
FOR SOUTHEASTERN CASS...NORTHWESTERN HENRY AND NORTHEASTERN BATES
COUNTIES...

At 340 AM CDT, a severe thunderstorm was located 10 miles southwest
of Creighton, or 11 miles east of Adrian, moving north at 35 mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

Locations impacted include...
Garden City, Urich, Creighton and Ballard. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3857 9428 3858 9412 3857 9411 3857 9410
      3850 9390 3833 9401 3832 9424
TIME...MOT...LOC 0840Z 200DEG 30KT 3836 9415 

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

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, 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, 5:02 AM CDT	Severe Thunderstorm Warning	EAX	Bates	43 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

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.