Alert archive / Missouri / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 116, NWS Springfield, MO

July 31, 2021Barton County, Dade County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Jul 31, 2021, 6:24 PM CDT for Barton County, Dade County, Missouri. It was in force for 18 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: Jul 31, 2021, 6:24 PM CDT (23:24 UTC)
Expired: Jul 31, 2021, 6:42 PM CDT
In force: 18 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Barton County, MO, Dade County, MO

The radar

The Springfield radar (KSGF), 59 km from the middle of the area, began a volume at 23:24 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 nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 11.4 hours before the alert went out and 61 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: 1314 J/kg
Mixed-layer CIN: -81 J/kg
Mixed-layer LCL: 1358 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 94 m²/s²
0-3 km storm-relative helicity: 122 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

229 
WUUS53 KSGF 312324
SVRSGF
MOC011-057-010000-
/O.NEW.KSGF.SV.W.0116.210731T2324Z-210801T0000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Springfield MO
624 PM CDT Sat Jul 31 2021

The National Weather Service in Springfield has issued a

* Severe Thunderstorm Warning for...
  Southeastern Barton County in southwestern Missouri...
  Western Dade County in southwestern Missouri...

* Until 700 PM CDT.

* At 624 PM CDT, a severe thunderstorm was located near Golden City,
  or 10 miles west of Greenfield, 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.

* This severe thunderstorm will be near...
  Lockwood around 630 PM CDT.
  Greenfield around 640 PM CDT.

Other locations impacted by this severe thunderstorm include Stockton
Lake, South Greenfield, Meinert, Sylvania and Neola.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

If on or near Stockton Lake, get away from the water and move 
indoors or inside a vehicle. Remember, lightning can strike out to 
15 miles from the parent thunderstorm. If you can hear thunder, you 
are close enough to be struck by lightning. Move to safe shelter 
now!  Do not be caught on the water in a thunderstorm.

&&

LAT...LON 3747 9415 3755 9407 3748 9376 3729 9388
      3729 9398 3738 9417
TIME...MOT...LOC 2324Z 295DEG 31KT 3743 9403 

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

Schaumann

1 follow-up statement

330 
WWUS53 KSGF 312342
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
642 PM CDT Sat Jul 31 2021

MOC011-057-312351-
/O.CAN.KSGF.SV.W.0116.000000T0000Z-210801T0000Z/
Barton MO-Dade MO-
642 PM CDT Sat Jul 31 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BARTON AND
WESTERN DADE COUNTIES IS CANCELLED...
                
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 has been cancelled.  However gusty winds and
heavy rain are still possible with this thunderstorm.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Springfield.

LAT...LON 3747 9415 3755 9407 3748 9376 3729 9388
      3729 9398 3738 9417
TIME...MOT...LOC 2338Z 295DEG 31KT 3737 9386 

$$

Schaumann

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 30, 7:40 PM CDT	Special Weather Statement	SGF	Morgan	35 min
Jul 31, 4:07 PM CDT	Severe Thunderstorm Warning	SGF	St. Clair	38 min
Jul 31, 4:12 PM CDT	Severe Thunderstorm Warning	SGF	Camden	33 min
Jul 31, 4:39 PM CDT	Severe Thunderstorm Warning	SGF	Dent, Phelps	51 min
Jul 31, 4:48 PM CDT	Special Weather Statement	SGF	Pulaski	27 min
Jul 31, 4:53 PM CDT	Special Weather Statement	SGF	Dent	22 min
Jul 31, 6:38 PM CDT	Special Weather Statement	SGF	Jasper	22 min

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.