Alert archive / Missouri / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 99, NWS Springfield, MO

June 27, 20215 counties in Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Jun 27, 2021, 3:43 PM CDT for 5 counties in Missouri. It was in force for 47 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, 3:43 PM CDT (20:43 UTC)
Expired
Jun 27, 2021, 4:30 PM CDT
In force
47 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Camden County, MO, Laclede County, MO, Maries County, MO, Miller County, MO, Pulaski County, MO

The radar

The Springfield radar (KSGF), 119 km from the middle of the area, began a volume at 20:46 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, 8.7 hours before the alert went out and 171 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.

436 
WUUS53 KSGF 272043
SVRSGF
MOC029-105-125-131-169-272130-
/O.NEW.KSGF.SV.W.0099.210627T2043Z-210627T2130Z/

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

The National Weather Service in Springfield has issued a

* Severe Thunderstorm Warning for...
  Southwestern Maries County in central Missouri...
  Southeastern Miller County in central Missouri...
  Central Laclede County in southwestern Missouri...
  Western Pulaski County in central Missouri...
  Southeastern Camden County in central Missouri...

* Until 430 PM CDT.

* At 343 PM CDT, severe thunderstorms were located along a line
  extending from 7 miles northeast of Lebanon to 8 miles southwest of
  Waynesville, moving north 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...
  Lebanon...                        Lake of The Ozarks State Park...
  Waynesville...                    St. Robert...
  Richland...                       Dixon...
  Crocker...                        Iberia...
  Stoutland...                      Brumley...
  Ulman...                          Sleeper...
  Laquey...                         Swedeborg...
  Ozark Springs...                  Wet Glaize...

This includes Interstate 44 between mile markers 130 and 158.
 
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 3819 9251 3806 9202 3765 9229 3768 9264
TIME...MOT...LOC 2043Z 200DEG 31KT 3772 9253 3774 9234 

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

Terry
2 follow-up statements
532 
WWUS53 KSGF 272115
SVSSGF

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

MOC105-272124-
/O.CAN.KSGF.SV.W.0099.000000T0000Z-210627T2130Z/
Laclede MO-
415 PM CDT Sun Jun 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL LACLEDE COUNTY IS
CANCELLED...

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

LAT...LON 3806 9202 3779 9220 3785 9241 3786 9241
      3786 9243 3795 9253 3819 9251
TIME...MOT...LOC 2114Z 197DEG 25KT 3796 9243 3791 9228 

$$

MOC029-125-131-169-272130-
/O.CON.KSGF.SV.W.0099.000000T0000Z-210627T2130Z/
Maries MO-Miller MO-Pulaski MO-Camden MO-
415 PM CDT Sun Jun 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM CDT
FOR SOUTHWESTERN MARIES...SOUTHEASTERN MILLER...NORTHWESTERN PULASKI
AND EAST CENTRAL CAMDEN COUNTIES...

At 414 PM CDT, severe thunderstorms were located along a line
extending from 7 miles north of Richland to near Crocker, moving
north at 30 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 State Park...  Waynesville...
St. Robert...                     Richland...
Dixon...                          Crocker...
Iberia...                         Brumley...
Ulman...                          Swedeborg...
Ozark Springs...                  

This includes Interstate 44 between mile markers 156 and 158.
 
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 3806 9202 3779 9220 3785 9241 3786 9241
      3786 9243 3795 9253 3819 9251
TIME...MOT...LOC 2114Z 197DEG 25KT 3796 9243 3791 9228 

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

Runnels
012 
WWUS53 KSGF 272133
SVSSGF

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

MOC029-125-131-169-272139-
/O.EXP.KSGF.SV.W.0099.000000T0000Z-210627T2130Z/
Maries MO-Miller MO-Pulaski MO-Camden MO-
433 PM CDT Sun Jun 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN MARIES...
SOUTHEASTERN MILLER...NORTHWESTERN PULASKI AND EAST CENTRAL CAMDEN
COUNTIES WILL EXPIRE AT 430 PM CDT...
            
The storms which prompted the warning have weakened below severe 
limits as they moved into the Iberia, Vichy and St James area and no 
longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  

Heavy downpours, gusty winds to 40 mph and lightning will occur with 
these storms as they move across eastern Maries County through 5 
PM. 

LAT...LON 3806 9202 3779 9220 3785 9241 3786 9241
      3786 9243 3795 9253 3819 9251
TIME...MOT...LOC 2129Z 200DEG 31KT 3808 9237 3803 9222 

$$

Runnels

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, 2:17 PM CDTSevere Thunderstorm WarningSGFDouglas, Laclede, Texas, Webster, Wright43 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

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.