Alert archive / Missouri / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 94, NWS Springfield, MO

June 27, 20215 counties in Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Jun 27, 2021, 2:17 PM CDT for 5 counties in Missouri. It was in force for 43 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
Jun 27, 2021, 2:17 PM CDT (19:17 UTC)
Expired
Jun 27, 2021, 3:00 PM CDT
In force
43 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Douglas County, MO, Laclede County, MO, Texas County, MO, Webster County, MO, Wright County, MO

The radar

The Springfield radar (KSGF), 75 km from the middle of the area, began a volume at 19:17 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, 7.3 hours before the alert went out and 118 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 2021-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 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 12:00Z on 2021-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 square meters per square second.193958Sfc1 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
2 J/kg
Mixed-layer CIN
-285 J/kg
Mixed-layer LCL
1338 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
46 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

488 
WUUS53 KSGF 271917
SVRSGF
MOC067-105-215-225-229-272000-
/O.NEW.KSGF.SV.W.0094.210627T1917Z-210627T2000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Springfield MO
217 PM CDT Sun Jun 27 2021

The National Weather Service in Springfield has issued a

* Severe Thunderstorm Warning for...
  Southeastern Webster County in southwestern Missouri...
  Western Douglas County in southwestern Missouri...
  Wright County in southwestern Missouri...
  Southeastern Laclede County in southwestern Missouri...
  West central Texas County in south central Missouri...

* Until 300 PM CDT.

* At 216 PM CDT, severe thunderstorms were located along a line
  extending from near Diggins to near Mansfield to near Ava, moving
  northeast at 40 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Mountain Grove...                 Ava...
  Seymour...                        Mansfield...
  Dawson...                         Norwood...
  Hartville...                      Duncan...
  Diggins...                        Plato...
  Twin Bridges...                   Competition...
  Manes...                          Lynchburg...
  Graff...                          Grovespring...
  Odin...                           Bendavis...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3763 9250 3753 9222 3718 9220 3682 9277
      3702 9277 3713 9294
TIME...MOT...LOC 1916Z 215DEG 48KT 3714 9283 3707 9265 3690 9272 

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

Terry
2 follow-up statements
613 
WWUS53 KSGF 271923
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
223 PM CDT Sun Jun 27 2021

MOC067-105-215-225-229-272000-
/O.CON.KSGF.SV.W.0094.000000T0000Z-210627T2000Z/
Webster MO-Douglas MO-Wright MO-Laclede MO-Texas MO-
223 PM CDT Sun Jun 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM CDT
FOR SOUTHEASTERN WEBSTER...NORTHWESTERN DOUGLAS...WRIGHT...
SOUTHEASTERN LACLEDE AND WEST CENTRAL TEXAS COUNTIES...

At 221 PM CDT, a severe thunderstorm was located near Mansfield, or
11 miles north of Ava, moving northeast at 40 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 storm will impact Highway 60 west of Mansfield by 230 PM CDT.

Locations impacted include...
Mountain Grove...                 Ava...
Seymour...                        Mansfield...
Dawson...                         Norwood...
Hartville...                      Duncan...
Diggins...                        Plato...
Twin Bridges...                   Competition...
Manes...                          Lynchburg...
Graff...                          Grovespring...
Odin...                           Bendavis...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3763 9250 3753 9222 3718 9220 3689 9272
      3702 9277 3713 9294
TIME...MOT...LOC 1921Z 211DEG 45KT 3712 9264 

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

Terry
932 
WWUS53 KSGF 271941
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
241 PM CDT Sun Jun 27 2021

MOC067-271950-
/O.CAN.KSGF.SV.W.0094.000000T0000Z-210627T2000Z/
Douglas MO-
241 PM CDT Sun Jun 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN DOUGLAS COUNTY IS
CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

LAT...LON 3707 9260 3717 9271 3730 9279 3763 9250
      3753 9222 3718 9220 3708 9239
TIME...MOT...LOC 1940Z 204DEG 46KT 3731 9269 3732 9256 3709 9252 

$$

MOC105-215-225-229-272000-
/O.CON.KSGF.SV.W.0094.000000T0000Z-210627T2000Z/
Webster MO-Wright MO-Laclede MO-Texas MO-
241 PM CDT Sun Jun 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM CDT
FOR EAST CENTRAL WEBSTER...WRIGHT...SOUTHEASTERN LACLEDE AND WEST
CENTRAL TEXAS COUNTIES...

At 240 PM CDT, severe thunderstorms were located along a line
extending from 9 miles southeast of Niangua to near Hartville to near
Mansfield, moving northeast 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...
Mountain Grove...                 Mansfield...
Dawson...                         Norwood...
Hartville...                      Duncan...
Plato...                          Twin Bridges...
Competition...                    Manes...
Lynchburg...                      Graff...
Grovespring...                    Odin...
Bendavis...                       

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3707 9260 3717 9271 3730 9279 3763 9250
      3753 9222 3718 9220 3708 9239
TIME...MOT...LOC 1940Z 204DEG 46KT 3731 9269 3732 9256 3709 9252 

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

Terry

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 11:43 PM CDTFlash Flood WarningSGFNewton7 hr
Jun 27, 12:44 AM CDTFlash Flood WarningSGFMcDonald, Newton6 hr
Jun 27, 6:54 AM CDTAreal Flood WarningSGFMcDonald, Newton10 hr
Jun 27, 12:12 PM CDTSpecial Weather StatementSGFStone33 min
Jun 27, 12:39 PM CDTFlash Flood WarningSGFBarry, Stone4 hr
Jun 27, 12:51 PM CDTSevere Thunderstorm WarningSGFChristian, Stone, Taney24 min
Jun 27, 1:17 PM CDTSpecial Weather StatementSGFChristian28 min
Jun 27, 1:30 PM CDTSevere Thunderstorm WarningSGFChristian, Douglas, Taney45 min
Jun 27, 2:52 PM CDTSevere Thunderstorm WarningSGFDouglas, Howell, Ozark, Texas, Wright38 min
Jun 27, 2:59 PM CDTSevere Thunderstorm WarningSGFLaclede, Pulaski, Texas, Wright46 min
Jun 27, 3:23 PM CDTSevere Thunderstorm WarningSGFMaries, Phelps, Pulaski52 min
Jun 27, 3:29 PM CDTSevere Thunderstorm WarningSGFDouglas, Howell, Ozark, Texas, Wright31 min
Jun 27, 3:43 PM CDTSevere Thunderstorm WarningSGFCamden, Laclede, Maries, Miller, Pulaski47 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.