Alert archive / Missouri / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 143, NWS Springfield, MO

October 23, 2021Ozark County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Oct 23, 2021, 2:54 PM CDT for Ozark County, Missouri. It was in force for 51 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
Oct 23, 2021, 2:54 PM CDT (19:54 UTC)
Expired
Oct 23, 2021, 3:45 PM CDT
In force
51 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Ozark County, MO

The radar

The Springfield radar (KSGF), 100 km from the middle of the area, began a volume at 19:58 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, 7.9 hours before the alert went out and 110 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 12:00Z on 2021-10-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2021-10-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 401 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1116 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
401 m²/s²
0-3 km storm-relative helicity
419 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

350 
WUUS53 KSGF 231954
SVRSGF
MOC153-232045-
/O.NEW.KSGF.SV.W.0143.211023T1954Z-211023T2045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Springfield MO
254 PM CDT Sat Oct 23 2021

The National Weather Service in Springfield has issued a

* Severe Thunderstorm Warning for...
  Southwestern Ozark County in southwestern Missouri...

* Until 345 PM CDT.

* At 253 PM CDT, severe thunderstorms were located along a line
  extending from 11 miles northwest of Gainesville to 6 miles north
  of Price Place to 6 miles northwest of Ozark Isle, moving southeast
  at 35 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Bull Shoals Lake...               Norfork Lake...
  Gainesville...                    Theodosia...
  Pontiac...                        Sundown...
  Hardenville...                    Isabella...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

If on or near Bull Shoals 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 3657 9277 3661 9271 3672 9261 3650 9219
      3650 9277
TIME...MOT...LOC 1953Z 294DEG 31KT 3668 9260 3664 9261 3658 9262 3651
9273

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Wise
2 follow-up statements
123 
WWUS53 KSGF 232008
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
308 PM CDT Sat Oct 23 2021

MOC153-232045-
/O.CON.KSGF.SV.W.0143.000000T0000Z-211023T2045Z/
Ozark MO-
308 PM CDT Sat Oct 23 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM CDT
FOR SOUTH CENTRAL OZARK COUNTY...

At 307 PM CDT, severe thunderstorms were located along a line
extending from 16 miles north of Arkawana to near Gainesville to
Price Place, moving southeast at 35 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Bull Shoals Lake...               Norfork Lake...
Gainesville...                    Pontiac...
Hardenville...                    

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

If on or near Bull Shoals 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 3650 9219 3650 9265 3668 9253
TIME...MOT...LOC 2007Z 294DEG 31KT 3664 9248 3660 9249 3654 9250 3647
9261

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Wise
060 
WWUS53 KSGF 232035
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
335 PM CDT Sat Oct 23 2021

MOC153-232045-
/O.EXP.KSGF.SV.W.0143.000000T0000Z-211023T2045Z/
Ozark MO-
335 PM CDT Sat Oct 23 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL OZARK COUNTY
WILL EXPIRE AT 345 PM CDT...
    
The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire.

LAT...LON 3650 9219 3650 9265 3668 9253
TIME...MOT...LOC 2035Z 294DEG 31KT 3655 9223 3651 9224 3645 9225 3638
9236

$$

Wise

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 23, 10:12 AM CDTAreal Flood AdvisorySGFChristian, Greene, Jasper, Lawrence83 min
Oct 23, 11:35 AM CDTAreal Flood WarningSGFChristian, Greene, Jasper, Lawrence6 hr
Oct 23, 12:31 PM CDTAreal Flood AdvisorySGFBarry, Christian, Lawrence, Stone5 hr
Oct 23, 12:47 PM CDTSpecial Weather StatementSGFTaney43 min
Oct 23, 1:16 PM CDTFlash Flood WarningSGFBarry, Christian, Lawrence, Stone3 hr
Oct 23, 2:04 PM CDTSpecial Weather StatementSGFTaney41 min
Oct 23, 2:22 PM CDTSevere Thunderstorm WarningSGFOzark, Taney38 min
Oct 23, 3:05 PM CDTAreal Flood AdvisorySGFBarry, Christian, Douglas, Ozark, Stone, Taney3 hr

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.