Alert archive / Missouri / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 163, NWS Springfield, MO

December 5, 2021Douglas County, Ozark County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Dec 5, 2021, 9:03 PM CST for Douglas County, Ozark County, Missouri. It was in force for 57 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
Dec 5, 2021, 9:03 PM CST (03:03 UTC)
Expired
Dec 5, 2021, 10:00 PM CST
In force
57 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Douglas County, MO, Ozark County, MO

The radar

The Springfield radar (KSGF), 101 km from the middle of the area, began a volume at 03:02 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

TimeReportWhereRemark
Dec 5, 9:40 PM CSTHAIL 0.88Gentryville, MO
Dec 5, 9:43 PM CSTHAIL 0.88Drury, MO
Dec 5, 9:48 PM CSTHAIL 1Drury, MO
Dec 5, 9:53 PM CSTHAIL 1.254 E Wasola, MOPICTURES AND VIDEO INDICATED HALF DOLLAR SIZE HAIL ALONG THE OZARK-DOUGLAS COUNTY LINE. TIME ESTIMATED VIA RADAR AS MULTIPLE HAIL CORES WENT OVER THIS LOCATION.

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.

IssuedProductOfficeLasted
Dec 5, 8:54 PM CSTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 3.1 hours before the alert went out and 126 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-pSkew-T log-p diagram, Springfield, MO at 00:00Z on 2021-12-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 125 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 2021-12-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 286 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
125 J/kg
Mixed-layer CIN
-146 J/kg
Mixed-layer LCL
1105 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
286 m²/s²
0-3 km storm-relative helicity
462 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

As transmitted.

966 
WUUS53 KSGF 060303
SVRSGF
MOC067-153-060400-
/O.NEW.KSGF.SV.W.0163.211206T0303Z-211206T0400Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Springfield MO
903 PM CST Sun Dec 5 2021

The National Weather Service in Springfield has issued a

* Severe Thunderstorm Warning for...
  Northern Ozark County in southwestern Missouri...
  Southern Douglas County in southwestern Missouri...

* Until 1000 PM CST.

* At 903 PM CST, a severe thunderstorm was located 11 miles south of
  Ava, moving east at 35 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...
  Wasola...                         Brixey...
  Noble...                          Squires...
  Dora...                           Rockbridge...
  Drury...                          Gentryville...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

&&

LAT...LON 3686 9277 3697 9209 3679 9210 3679 9212
      3674 9212 3673 9277
TIME...MOT...LOC 0303Z 265DEG 32KT 3678 9266 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Cramer
2 follow-up statements
102 
WWUS53 KSGF 060346
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
946 PM CST Sun Dec 5 2021

MOC067-153-060400-
/O.CON.KSGF.SV.W.0163.000000T0000Z-211206T0400Z/
Ozark MO-Douglas MO-
946 PM CST Sun Dec 5 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM CST
FOR NORTHEASTERN OZARK AND SOUTHEASTERN DOUGLAS COUNTIES...

At 946 PM CST, a severe thunderstorm was located over Wasola, moving 
east at 45 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...
Wasola...                         Brixey...
Noble...                          Dora...
Rockbridge...                     Drury...
Gentryville...                    

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

&&

LAT...LON 3697 9209 3679 9210 3679 9212 3674 9212
      3673 9263 3689 9260
TIME...MOT...LOC 0346Z 260DEG 38KT 3679 9257 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Cramer
990 
WWUS53 KSGF 060400
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
1000 PM CST Sun Dec 5 2021

MOC067-153-060410-
/O.EXP.KSGF.SV.W.0163.000000T0000Z-211206T0400Z/
Ozark MO-Douglas MO-
1000 PM CST Sun Dec 5 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN OZARK AND
SOUTHEASTERN DOUGLAS COUNTIES HAS EXPIRED...
                
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 allowed to expire.  However heavy
rain is still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 400 AM CST for
south central and southwestern Missouri.

LAT...LON 3697 9209 3679 9210 3679 9212 3674 9212
      3673 9263 3689 9260
TIME...MOT...LOC 0400Z 265DEG 32KT 3680 9244 

$$

Cramer

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 5, 8:48 PM CSTSevere Thunderstorm WarningSGFChristian, Douglas, Taney42 min
Dec 5, 8:57 PM CSTSevere Thunderstorm WarningSGFStone, Taney18 min
Dec 5, 9:50 PM CSTSevere Thunderstorm WarningSGFStone, Taney55 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2021Every 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.