Alert archive / Missouri / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 28, NWS Springfield, MO

April 9, 2021Jasper County, Missouri; Cherokee County, Kansas

NWS Springfield, MO issued this severe thunderstorm warning at Apr 9, 2021, 4:18 PM CDT for Jasper County, Missouri; Cherokee County, Kansas. It was in force for 42 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: Apr 9, 2021, 4:18 PM CDT (21:18 UTC)
Expired: Apr 9, 2021, 5:00 PM CDT
In force: 42 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

Counties Cherokee County, KS, Jasper County, MO

The radar

The Springfield radar (KSGF), 110 km from the middle of the area, began a volume at 21:22 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
Apr 9, 4:59 PM CDT	HAIL 1	4 Ese Weir, KS	SEVERAL REPORTS OF NICKEL TO QUARTER SIZE HAIL SOUTH OF PITTSBURG VIA SOCIAL MEDIA AND FIRE DEPARTMENT.

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
Apr 9, 3:13 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 9.3 hours before the alert went out and 80 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: 107 J/kg
Mixed-layer CIN: -149 J/kg
Mixed-layer LCL: 1650 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 415 m²/s²
0-3 km storm-relative helicity: 429 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.8

Open this sounding in Storm Lab

The text

As transmitted.

406 
WUUS53 KSGF 092118
SVRSGF
KSC021-MOC097-092200-
/O.NEW.KSGF.SV.W.0028.210409T2118Z-210409T2200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Springfield MO
418 PM CDT Fri Apr 9 2021

The National Weather Service in Springfield has issued a

* Severe Thunderstorm Warning for...
  Eastern Cherokee County in southeastern Kansas...
  Western Jasper County in southwestern Missouri...

* Until 500 PM CDT.

* At 418 PM CDT, severe thunderstorms were located along a line
  extending from near Baxter Springs to Galena, moving north at 20
  mph.

  HAZARD...60 mph wind gusts and half dollar size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Joplin...                         Webb City...
  Carl Junction...                  Baxter Springs...
  Galena...                         Oronogo...
  Carterville...                    Duquesne...
  Airport Drive...                  Weir...
  Lowell...                         Alba...
  Purcell...                        Carytown...
  Asbury...                         Neck City...
  Waco...                           Neutral...
  Riverton...                       Lawton...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3734 9479 3735 9432 3705 9448 3706 9461
      3703 9462 3701 9471 3702 9482
TIME...MOT...LOC 2118Z 200DEG 16KT 3703 9478 3710 9472 3708 9461 

HAIL...1.25IN
WIND...60MPH
 
$$

Terry

3 follow-up statements

405 
WWUS53 KSGF 092129
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
429 PM CDT Fri Apr 9 2021

KSC021-MOC097-092200-
/O.CON.KSGF.SV.W.0028.000000T0000Z-210409T2200Z/
Cherokee KS-Jasper MO-
429 PM CDT Fri Apr 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM CDT
FOR EASTERN CHEROKEE AND WESTERN JASPER COUNTIES...

At 429 PM CDT, severe thunderstorms were located along a line
extending from near Columbus to near Galena to near Carl Junction,
moving north at 20 mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Joplin...                         Webb City...
Carl Junction...                  Galena...
Oronogo...                        Carterville...
Airport Drive...                  Weir...
Alba...                           Purcell...
Carytown...                       Asbury...
Neck City...                      Waco...
Neutral...                        Lawton...
Oakland Park...                   Crestline...
Opolis...                         

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3734 9479 3735 9432 3709 9446 3709 9469
      3707 9482
TIME...MOT...LOC 2129Z 201DEG 16KT 3711 9480 3714 9470 3712 9459 

HAIL...1.50IN
WIND...60MPH
 
$$

Terry

914 
WWUS53 KSGF 092145
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
445 PM CDT Fri Apr 9 2021

MOC097-092155-
/O.CAN.KSGF.SV.W.0028.000000T0000Z-210409T2200Z/
Jasper MO-
445 PM CDT Fri Apr 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN JASPER 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 800 PM CDT for
southeastern Kansas...and southwestern Missouri.

LAT...LON 3734 9479 3733 9462 3726 9461 3715 9463
      3714 9467 3713 9481
TIME...MOT...LOC 2145Z 188DEG 17KT 3719 9479 3722 9471 3720 9464 

$$

KSC021-092200-
/O.CON.KSGF.SV.W.0028.000000T0000Z-210409T2200Z/
Cherokee KS-
445 PM CDT Fri Apr 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM CDT
FOR NORTHEASTERN CHEROKEE COUNTY...

At 445 PM CDT, severe thunderstorms were located along a line
extending from near Columbus to 7 miles southeast of Weir to near
Carl Junction, moving north at 20 mph.

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

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Weir...                           Asbury...
Crestline...                      Lawton...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3734 9479 3733 9462 3726 9461 3715 9463
      3714 9467 3713 9481
TIME...MOT...LOC 2145Z 188DEG 17KT 3719 9479 3722 9471 3720 9464 

HAIL...1.00IN
WIND...60MPH
 
$$

Terry

007 
WWUS53 KSGF 092153
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
453 PM CDT Fri Apr 9 2021

KSC021-092202-
/O.EXP.KSGF.SV.W.0028.000000T0000Z-210409T2200Z/
Cherokee KS-
453 PM CDT Fri Apr 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CHEROKEE COUNTY
WILL EXPIRE AT 500 PM CDT...
            
The storms which prompted the warning have weakened below severe 
limits, but still may produce wind gusts to 50 mph and dime size 
hail.  Therefore, the warning will be allowed to expire.

A Severe Thunderstorm Watch remains in effect until 800 PM CDT for
southeastern Kansas...and southwestern Missouri.

LAT...LON 3734 9479 3733 9462 3726 9461 3715 9463
      3714 9467 3713 9481
TIME...MOT...LOC 2152Z 200DEG 16KT 3721 9478 3724 9470 3722 9463 

$$

Terry

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 9, 2:34 PM CDT	Special Weather Statement	SGF	McDonald	26 min
Apr 9, 2:54 PM CDT	Severe Thunderstorm Warning	SGF	Barry, Stone, Taney	51 min
Apr 9, 2:58 PM CDT	Special Weather Statement	SGF	Newton	32 min
Apr 9, 3:19 PM CDT	Special Weather Statement	SGF	Ozark	26 min
Apr 9, 3:24 PM CDT	Special Weather Statement	SGF	Newton	36 min
Apr 9, 3:29 PM CDT	Severe Thunderstorm Warning	SGF	Barry, Lawrence, Stone	46 min
Apr 9, 3:41 PM CDT	Severe Thunderstorm Warning	SGF	Howell, Oregon, Ozark	49 min
Apr 9, 3:48 PM CDT	Special Weather Statement	SGF	Jasper	27 min
Apr 9, 3:52 PM CDT	Severe Thunderstorm Warning	SGF	Jasper, Newton	38 min
Apr 9, 3:54 PM CDT	Severe Thunderstorm Warning	SGF	Barry, Lawrence	39 min
Apr 9, 4:03 PM CDT	Special Weather Statement	SGF	Christian	27 min
Apr 9, 4:24 PM CDT	Severe Thunderstorm Warning	SGF	Howell, Oregon, Shannon	30 min
Apr 9, 4:32 PM CDT	Special Weather Statement	SGF	Greene, Jasper, Lawrence	28 min
Apr 9, 4:51 PM CDT	Special Weather Statement	SGF	Cherokee	24 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.