Alert archive / Missouri / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 84, NWS Springfield, MO

June 11, 2021Newton County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Jun 11, 2021, 8:26 PM CDT for Newton County, Missouri. It was in force for 35 min. 1 report 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: Jun 11, 2021, 8:26 PM CDT (01:26 UTC)
Expired: Jun 11, 2021, 9:01 PM CDT
In force: 35 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Newton County, MO

The radar

The Springfield radar (KSGF), 98 km from the middle of the area, began a volume at 01:31 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

Time	Report	Where	Remark
Jun 11, 8:46 PM CDT	TSTM WND DMG	2 Wsw Diamond, MO	SEVERAL TREE LIMBS WERE DOWNED FROM SEVERE THUNDERSTORM WIND GUSTS NEAR THE GEORGE WASHINGTON CARVER NATIONAL PARK.

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.

Issued	Product	Office	Lasted
Jun 11, 3:54 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 1.4 hours before the alert went out and 54 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2670 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 1310 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: -54 m²/s²
0-3 km storm-relative helicity: -83 m²/s²
Significant tornado parameter: -1.0
Supercell composite: -10.3

Open this sounding in Storm Lab

The text

As transmitted.

470 
WUUS53 KSGF 120126
SVRSGF
MOC145-120230-
/O.NEW.KSGF.SV.W.0084.210612T0126Z-210612T0230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Springfield MO
826 PM CDT Fri Jun 11 2021

The National Weather Service in Springfield has issued a

* Severe Thunderstorm Warning for...
  Newton County in southwestern Missouri...

* Until 930 PM CDT.

* At 825 PM CDT, a severe thunderstorm was located over Silver Creek,
  or near Joplin, moving southeast 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...
  Southern Joplin...                Neosho...
  Seneca...                         Granby...
  Diamond...                        Loma Linda...
  Leawood...                        Silver Creek...
  Fairview...                       Shoal Creek Drive...
  Saginaw...                        Newtonia...
  Stella...                         Redings Mill...
  Stark City...                     Grand Falls Plaza...
  Shoal Creek Estates...            Ritchey...
  Dennis Acres...                   Cliff Village...

This includes the following highways...
 Interstate 44 between mile markers 1 and 7.
 Interstate 49 between mile markers 15 and 35.

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 3676 9452 3677 9452 3677 9462 3706 9461
      3705 9457 3705 9416 3682 9406 3675 9407
TIME...MOT...LOC 0125Z 331DEG 25KT 3704 9446 

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

Titus

2 follow-up statements

958 
WWUS53 KSGF 120144 RRA
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
844 PM CDT Fri Jun 11 2021

MOC145-120230-
/O.CON.KSGF.SV.W.0084.000000T0000Z-210612T0230Z/
Newton MO-
844 PM CDT Fri Jun 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM CDT
FOR NEWTON COUNTY...

At 844 PM CDT, severe thunderstorms were located along a line
extending from near Pierce City to near Shoal Creek Drive, moving
southeast 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...
Southern Joplin...                Neosho...
Seneca...                         Granby...
Diamond...                        Loma Linda...
Leawood...                        Silver Creek...
Fairview...                       Shoal Creek Drive...
Saginaw...                        Newtonia...
Stella...                         Redings Mill...
Stark City...                     Grand Falls Plaza...
Shoal Creek Estates...            Ritchey...
Dennis Acres...                   Cliff Village...

This includes the following highways...
 Interstate 44 between mile markers 1 and 7.
 Interstate 49 between mile markers 15 and 35.

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 3676 9452 3677 9452 3677 9462 3706 9461
      3705 9457 3705 9416 3682 9406 3675 9407
TIME...MOT...LOC 0144Z 317DEG 26KT 3693 9408 3699 9457 

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

Titus

844 
WWUS53 KSGF 120201
SVSSGF

Severe Weather Statement
National Weather Service Springfield MO
901 PM CDT Fri Jun 11 2021

MOC145-120211-
/O.CAN.KSGF.SV.W.0084.000000T0000Z-210612T0230Z/
Newton MO-
901 PM CDT Fri Jun 11 2021

...THE SEVERE THUNDERSTORM WARNING FOR NEWTON COUNTY IS CANCELLED...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
southwestern Missouri.

LAT...LON 3676 9452 3677 9452 3677 9462 3706 9461
      3705 9457 3705 9416 3682 9406 3675 9407
TIME...MOT...LOC 0159Z 331DEG 25KT 3684 9402 3690 9451 

$$

Titus

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 11, 7:04 PM CDT	Severe Thunderstorm Warning	SGF	Greene, Webster	56 min
Jun 11, 7:41 PM CDT	Severe Thunderstorm Warning	SGF	Christian, Douglas, Stone	49 min
Jun 11, 7:43 PM CDT	Severe Thunderstorm Warning	SGF	Jasper	62 min
Jun 11, 7:55 PM CDT	Flash Flood Warning	SGF	Greene, Webster	6 hr
Jun 11, 8:13 PM CDT	Flash Flood Warning	SGF	Christian, Douglas	6 hr
Jun 11, 8:33 PM CDT	Severe Thunderstorm Warning	SGF	Douglas, Ozark, Taney	42 min
Jun 11, 8:39 PM CDT	Flash Flood Warning	SGF	Douglas, Ozark, Taney	6 hr
Jun 11, 8:53 PM CDT	Severe Thunderstorm Warning	SGF	Ozark	37 min
Jun 11, 11:10 PM CDT	High Wind Warning	SGF	Christian, Stone, Taney	79 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2021 Every 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.