Alert archive / Missouri / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 252, NWS Springfield, MO

August 31, 2020Dent County, Phelps County, Texas County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Aug 31, 2020, 12:12 PM CDT for Dent County, Phelps County, Texas County, Missouri. It was in force for 63 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
Aug 31, 2020, 12:12 PM CDT (17:12 UTC)
Expired
Aug 31, 2020, 1:15 PM CDT
In force
63 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Dent County, MO, Phelps County, MO, Texas County, MO

The radar

The St Louis radar (KLSX), 144 km from the middle of the area, began a volume at 17:11 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Aug 31, 8:41 AM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 5.2 hours before the alert went out and 215 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 2020-08-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2773 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 2020-08-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 156 square meters per square second.1939587897Sfc1 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
2773 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
710 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
156 m²/s²
0-3 km storm-relative helicity
184 m²/s²
Significant tornado parameter
0.0
Supercell composite
7.9

Open this sounding in Storm Lab

The text

As transmitted.

528 
WUUS53 KSGF 311712
SVRSGF
MOC065-161-215-311815-
/O.NEW.KSGF.SV.W.0252.200831T1712Z-200831T1815Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Springfield MO
1212 PM CDT Mon Aug 31 2020

The National Weather Service in Springfield has issued a

* Severe Thunderstorm Warning for...
  Dent County in south central Missouri...
  Northern Texas County in south central Missouri...
  Southeastern Phelps County in east central Missouri...

* Until 115 PM CDT.

* At 1212 PM CDT, severe thunderstorms were located along a line
  extending from near Dixon to 9 miles east of St. Robert to Fort
  Leonard Wood to 14 miles southeast of Lebanon, moving southeast at
  40 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Ozark National Scenic Riverways...
  Montauk State Park...
  Salem...                          Licking...
  Bunker...                         Plato...
  Lenox...                          Montauk...
  Jadwin...                         Beulah...
  Howes Mill...                     Lake Spring...
  Gladden...                        Success...
  Anutt...                          Bangert...
  Roby...                           Boss...
  Turtle...                         Darien...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3759 9116 3759 9131 3751 9131 3750 9121
      3742 9122 3742 9164 3740 9225 3760 9224
      3760 9203 3769 9181 3779 9180 3779 9131
      3770 9130 3769 9115
TIME...MOT...LOC 1712Z 296DEG 34KT 3799 9204 3780 9201 3769 9213 3753
9249

HAIL...<.75IN
WIND...60MPH
 
$$

Wise
2 follow-up statements
684 
WWUS53 KSGF 311748
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
1248 PM CDT Mon Aug 31 2020

MOC161-311757-
/O.CAN.KSGF.SV.W.0252.000000T0000Z-200831T1815Z/
Phelps MO-
1248 PM CDT Mon Aug 31 2020

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN PHELPS COUNTY IS
CANCELLED...

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

A Severe Thunderstorm Watch remains in effect until 200 PM CDT for
south central and east central Missouri.

LAT...LON 3759 9116 3759 9131 3751 9131 3750 9121
      3742 9122 3742 9164 3740 9225 3756 9202
      3760 9181 3779 9160 3779 9131 3770 9130
      3769 9115
TIME...MOT...LOC 1747Z 295DEG 23KT 3782 9160 3762 9157 3752 9170 3736
9206

$$

MOC065-215-311815-
/O.CON.KSGF.SV.W.0252.000000T0000Z-200831T1815Z/
Dent MO-Texas MO-
1248 PM CDT Mon Aug 31 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 PM CDT
FOR DENT AND NORTHERN TEXAS COUNTIES...

At 1247 PM CDT, severe thunderstorms were located along a line
extending from 12 miles south of St. James to near Salem to 8 miles
east of Licking to near Houston, moving southeast at 35 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Ozark National Scenic Riverways...
Montauk State Park...
Salem...                          Licking...
Bunker...                         Montauk...
Turtle...                         Jadwin...
Howes Mill...                     Darien...
Hazelton...                       Gladden...
Success...                        Bangert...
Boss...                           Howes...
Stone Hill...                     Sligo...
Prescott...                       

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3759 9116 3759 9131 3751 9131 3750 9121
      3742 9122 3742 9164 3740 9225 3756 9202
      3760 9181 3779 9160 3779 9131 3770 9130
      3769 9115
TIME...MOT...LOC 1747Z 295DEG 23KT 3782 9160 3762 9157 3752 9170 3736
9206

HAIL...<.75IN
WIND...60MPH
 
$$

Wise
228 
WWUS53 KSGF 311805
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
105 PM CDT Mon Aug 31 2020

MOC065-215-311815-
/O.EXP.KSGF.SV.W.0252.000000T0000Z-200831T1815Z/
Dent MO-Texas MO-
105 PM CDT Mon Aug 31 2020

...THE SEVERE THUNDERSTORM WARNING FOR DENT AND NORTHERN TEXAS
COUNTIES WILL EXPIRE AT 115 PM CDT...
    
The storms which prompted the warning have weakened below severe
limits, and have exited the warned area. Therefore, the warning will
be allowed to expire.

A Severe Thunderstorm Watch remains in effect until 200 PM CDT for
south central and east central Missouri.

LAT...LON 3759 9116 3759 9131 3751 9131 3750 9121
      3742 9122 3742 9164 3740 9225 3756 9202
      3760 9181 3779 9160 3779 9131 3770 9130
      3769 9115
TIME...MOT...LOC 1805Z 296DEG 34KT 3775 9141 3755 9138 3745 9151 3729
9187

$$

Wise

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 31, 7:27 AM CDTSpecial Weather StatementSGFBarton63 min
Aug 31, 9:12 AM CDTSpecial Weather StatementSGFBenton, Morgan63 min
Aug 31, 10:03 AM CDTSpecial Weather StatementSGFMiller57 min
Aug 31, 10:06 AM CDTSpecial Weather StatementSGFBenton, St. Clair54 min
Aug 31, 10:09 AM CDTSevere Thunderstorm WarningSGFBenton, Morgan66 min
Aug 31, 10:36 AM CDTSevere Thunderstorm WarningSGFBenton, Camden, Miller, Morgan54 min
Aug 31, 11:11 AM CDTSevere Thunderstorm WarningSGFMaries49 min
Aug 31, 11:15 AM CDTSpecial Weather StatementSGFCamden, Cedar, Dallas, Hickory, Laclede, Polk45 min
Aug 31, 11:39 AM CDTSpecial Weather StatementSGFPulaski51 min
Aug 31, 11:41 AM CDTSevere Thunderstorm WarningSGFCamden, Laclede, Pulaski49 min
Aug 31, 11:53 AM CDTSevere Thunderstorm WarningSGFPhelps53 min
Aug 31, 12:39 PM CDTSpecial Weather StatementSGFTexas, Wright51 min
Aug 31, 1:00 PM CDTSpecial Weather StatementSGFShannon45 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2020Every severe thunderstorm warning in 2020

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.