Alert archive / Missouri / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 114, NWS Springfield, MO

July 31, 2021Camden County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Jul 31, 2021, 4:12 PM CDT for Camden County, Missouri. It was in force for 33 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: Jul 31, 2021, 4:12 PM CDT (21:12 UTC)
Expired: Jul 31, 2021, 4:45 PM CDT
In force: 33 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Camden County, MO

The radar

The Springfield radar (KSGF), 108 km from the middle of the area, began a volume at 21:14 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
Jul 31, 4:13 PM CDT	HAIL 1	2 Ese Camdenton, MO	REPORTS OF DIME TO QUARTER SIZE HAIL IN SOUTH CAMDENTON.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 9.2 hours before the alert went out and 160 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.

799 
WUUS53 KSGF 312112
SVRSGF
MOC029-312145-
/O.NEW.KSGF.SV.W.0114.210731T2112Z-210731T2145Z/

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

The National Weather Service in Springfield has issued a

* Severe Thunderstorm Warning for...
  Southeastern Camden County in central Missouri...

* Until 445 PM CDT.

* At 411 PM CDT, a severe thunderstorm was located near Camdenton,
  moving east 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.

* This severe thunderstorm will be near...
  Richland around 445 PM CDT.

Other locations impacted by this severe thunderstorm include Lake of
The Ozarks, Ha Ha Tonka State Park, Linn Creek, Montreal, Wet Glaize
and Freedom.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

If on or near Lake of the Ozarks, 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 3802 9241 3786 9241 3788 9256 3793 9278
      3800 9280 3805 9276
TIME...MOT...LOC 2111Z 280DEG 17KT 3798 9269 

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

Schaumann

2 follow-up statements

034 
WWUS53 KSGF 312129
SVSSGF

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

MOC029-312145-
/O.CON.KSGF.SV.W.0114.000000T0000Z-210731T2145Z/
Camden MO-
429 PM CDT Sat Jul 31 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM CDT
FOR SOUTHEASTERN CAMDEN COUNTY...

At 428 PM CDT, a cluster of severe thunderstorms was located from 4 
miles south of Camdenton to Montreal and Wet Glaize, moving east at 
15 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...
Lake of The Ozarks...             Ha Ha Tonka State Park...
Camdenton...                      Richland...
Montreal...                       Wet Glaize...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

If on or near Lake of the Ozarks, 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 3799 9241 3786 9241 3788 9256 3793 9278
      3800 9280 3803 9278
TIME...MOT...LOC 2128Z 287DEG 15KT 3795 9262 

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

Schaumann

618 
WWUS53 KSGF 312142 RRA
SVSSGF

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

MOC029-312152-
/O.EXP.KSGF.SV.W.0114.000000T0000Z-210731T2145Z/
Camden MO-
442 PM CDT Sat Jul 31 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CAMDEN COUNTY
WILL EXPIRE AT 445 PM 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 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 3799 9241 3786 9241 3788 9256 3793 9278
      3800 9280 3803 9278
TIME...MOT...LOC 2142Z 280DEG 17KT 3794 9254 

$$

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, 4:39 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, 6:24 PM CDT	Severe Thunderstorm Warning	SGF	Barton, Dade	18 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.