Alert archive / Missouri / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 13, NWS Kansas City, MO

March 27, 2020Johnson County, Pettis County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Mar 27, 2020, 2:22 AM CDT for Johnson County, Pettis County, Missouri. It was in force for 38 min. 4 reports 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 27, 2020, 2:22 AM CDT (07:22 UTC)
Expired: Mar 27, 2020, 3:00 AM CDT
In force: 38 min
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Hail: 1.5 in
Wind: 50.0 mph

Counties Johnson County, MO, Pettis County, MO

The radar

The Pleasant Hill radar (KEAX), 56 km from the middle of the area, began a volume at 07:25 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.

What was reported inside it

Time	Report	Where	Remark
Mar 27, 2:30 AM CDT	HAIL 1	5 S Warrensburg, MO	DIMES TO QUARTERS.
Mar 27, 2:36 AM CDT	HAIL 1	Knob Noster, MO
Mar 27, 2:37 AM CDT	HAIL 1.5	Whiteman Air Force Base, MO
Mar 27, 3:00 AM CDT	HAIL 1	Sedalia, MO	PEA TO QUARTER SIZED HAIL REPORTED AT WALMART AND 50 HIGHWAY IN SEDALIA.

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 26, 10:27 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 7.4 hours before the alert went out and 177 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: 910 m above ground
0-6 km bulk shear: 90 kt
0-1 km storm-relative helicity: 297 m²/s²
0-3 km storm-relative helicity: 461 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

281 
WUUS53 KEAX 270722
SVREAX
MOC101-159-270800-
/O.NEW.KEAX.SV.W.0013.200327T0722Z-200327T0800Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Kansas City/Pleasant Hill MO
222 AM CDT Fri Mar 27 2020

The National Weather Service in Pleasant Hill has issued a

* Severe Thunderstorm Warning for...
  Southwestern Pettis County in central Missouri...
  Southeastern Johnson County in west central Missouri...

* Until 300 AM CDT.

* At 222 AM CDT, a severe thunderstorm was located near Warrensburg,
  moving east at 60 mph.

  HAZARD...Ping pong ball size hail.

  SOURCE...Radar indicated.

  IMPACT...People and animals outdoors will be injured. Expect 
           damage to roofs, siding, windows, and vehicles.

* Locations impacted include...
  Sedalia, Warrensburg, Knob Noster, Whiteman Air Force Base, La
  Monte, Green Ridge, Whiteman Afb and Centerview.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3865 9393 3883 9386 3880 9320 3854 9327
TIME...MOT...LOC 0722Z 277DEG 51KT 3872 9377 

HAIL...1.50IN
WIND...<50MPH
 
$$

Barham

4 follow-up statements

082 
WWUS53 KEAX 270731
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
231 AM CDT Fri Mar 27 2020

MOC101-159-270800-
/O.CON.KEAX.SV.W.0013.000000T0000Z-200327T0800Z/
Pettis MO-Johnson MO-
231 AM CDT Fri Mar 27 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 AM CDT
FOR SOUTHWESTERN PETTIS AND SOUTHEASTERN JOHNSON COUNTIES...

At 231 AM CDT, a severe thunderstorm was located near Whiteman Afb,
or near Whiteman Air Force Base, moving east at 60 mph.

HAZARD...Ping pong ball size hail.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect damage 
         to roofs, siding, windows, and vehicles.

Locations impacted include...
Sedalia, Warrensburg, Knob Noster, Whiteman Air Force Base, La Monte,
Green Ridge and Whiteman Afb.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3863 9377 3882 9371 3880 9320 3854 9327
TIME...MOT...LOC 0731Z 277DEG 51KT 3870 9361 

HAIL...1.50IN
WIND...<50MPH
 
$$

Barham

638 
WWUS53 KEAX 270738
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
238 AM CDT Fri Mar 27 2020

MOC101-159-270800-
/O.CON.KEAX.SV.W.0013.000000T0000Z-200327T0800Z/
Pettis MO-Johnson MO-
238 AM CDT Fri Mar 27 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 AM CDT
FOR SOUTHWESTERN PETTIS AND SOUTHEASTERN JOHNSON COUNTIES...

At 238 AM CDT, a severe thunderstorm was located near Whiteman Afb,
or near Whiteman Air Force Base, moving east at 60 mph.

HAZARD...Ping pong ball size hail.

SOURCE...Trained weather spotters.

IMPACT...People and animals outdoors will be injured. Expect damage 
         to roofs, siding, windows, and vehicles.

Locations impacted include...
Sedalia, Knob Noster, Whiteman Air Force Base, La Monte, Green Ridge
and Whiteman Afb.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3861 9366 3882 9362 3880 9320 3854 9327
      3860 9362
TIME...MOT...LOC 0738Z 277DEG 51KT 3869 9347 

HAIL...1.50IN
WIND...<50MPH
 
$$

Barham

221 
WWUS53 KEAX 270747
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
247 AM CDT Fri Mar 27 2020

MOC101-270757-
/O.CAN.KEAX.SV.W.0013.000000T0000Z-200327T0800Z/
Johnson MO-
247 AM CDT Fri Mar 27 2020

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

A Severe Thunderstorm Watch remains in effect until 500 AM CDT for
central Missouri.

LAT...LON 3859 9326 3865 9350 3881 9349 3880 9320
TIME...MOT...LOC 0747Z 277DEG 51KT 3867 9331 

$$

MOC159-270800-
/O.CON.KEAX.SV.W.0013.000000T0000Z-200327T0800Z/
Pettis MO-
247 AM CDT Fri Mar 27 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 AM CDT
FOR SOUTHWESTERN PETTIS COUNTY...

At 247 AM CDT, a severe thunderstorm was located near Sedalia, moving
east at 60 mph.

HAZARD...Quarter size hail.

SOURCE...Trained weather spotters.

IMPACT...Damage to vehicles is expected.

Locations impacted include...
Sedalia and La Monte. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3859 9326 3865 9350 3881 9349 3880 9320
TIME...MOT...LOC 0747Z 277DEG 51KT 3867 9331 

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

Barham

209 
WWUS53 KEAX 270755
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
255 AM CDT Fri Mar 27 2020

MOC159-270805-
/O.EXP.KEAX.SV.W.0013.000000T0000Z-200327T0800Z/
Pettis MO-
255 AM CDT Fri Mar 27 2020

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN PETTIS COUNTY
WILL EXPIRE AT 300 AM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

A Severe Thunderstorm Watch remains in effect until 500 AM CDT for
central Missouri.

LAT...LON 3859 9326 3865 9350 3881 9349 3880 9320
TIME...MOT...LOC 0755Z 277DEG 51KT 3866 9319 

$$

Barham

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 26, 11:12 PM CDT	Severe Thunderstorm Warning	EAX	Cass, Johnson	33 min
Mar 26, 11:36 PM CDT	Severe Thunderstorm Warning	EAX	Johnson, Pettis, Saline	24 min
Mar 26, 11:39 PM CDT	Special Weather Statement	EAX	Jackson	51 min
Mar 26, 11:57 PM CDT	Severe Thunderstorm Warning	EAX	Johnson, Pettis	33 min
Mar 27, 12:01 AM CDT	Special Weather Statement	EAX	Jackson	44 min
Mar 27, 12:05 AM CDT	Special Weather Statement	EAX	Johnson	25 min
Mar 27, 12:21 AM CDT	Severe Thunderstorm Warning	EAX	Cooper, Pettis	39 min
Mar 27, 12:30 AM CDT	Special Weather Statement	EAX	Cooper	60 min
Mar 27, 12:49 AM CDT	Special Weather Statement	EAX	Johnson	56 min
Mar 27, 12:53 AM CDT	Severe Thunderstorm Warning	EAX	Cass, Jackson, Johnson, Lafayette	37 min
Mar 27, 12:55 AM CDT	Areal Flood Advisory	EAX	Cass, Jackson	3 hr
Mar 27, 1:17 AM CDT	Severe Thunderstorm Warning	EAX	Cass, Jackson	28 min
Mar 27, 1:41 AM CDT	Severe Thunderstorm Warning	EAX	Cass, Jackson, Johnson, Lafayette	34 min
Mar 27, 2:02 AM CDT	Severe Thunderstorm Warning	EAX	Cass, Johnson	28 min
Mar 27, 2:46 AM CDT	Special Weather Statement	EAX	Jackson	44 min
Mar 27, 2:52 AM CDT	Severe Thunderstorm Warning	EAX	Cooper, Pettis	31 min
Mar 27, 2:54 AM CDT	Severe Thunderstorm Warning	EAX	Jackson, Lafayette, Ray	38 min
Mar 27, 3:04 AM CDT	Special Weather Statement	EAX	Clay, Platte	41 min
Mar 27, 3:31 AM CDT	Special Weather Statement	EAX	Saline	44 min
Mar 27, 6:27 AM CDT	River Flood Warning	EAX	Johnson, Pettis	48 hr
Mar 27, 6:27 AM CDT	River Flood Warning	EAX	Cooper, Saline	5 days
Mar 27, 6:27 AM CDT	River Flood Warning	EAX	Cooper	40 hr
Mar 27, 3:29 PM CDT	River Flood Warning	EAX	Cass, Henry, Johnson	45 hr
Mar 27, 3:29 PM CDT	River Flood Warning	EAX	Andrew, Buchanan	43 hr

Nearby

Severe Thunderstorm Warnings in Missouri, 2020 Every severe thunderstorm warning in 2020

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.