Alert archive / Missouri / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 72, NWS Springfield, MO

June 11, 2021Benton County, Morgan County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Jun 11, 2021, 5:06 PM CDT for Benton County, Morgan County, Missouri. It was in force for 54 min. 5 reports 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, 5:06 PM CDT (22:06 UTC)
Expired: Jun 11, 2021, 6:00 PM CDT
In force: 54 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Benton County, MO, Morgan County, MO

The radar

The Pleasant Hill radar (KEAX), 103 km from the middle of the area, began a volume at 22:07 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, 5:20 PM CDT	TSTM WND DMG	Ionia, MO	SMALL AND LARGER TREE BRANCHES DOWN ALONG WITH 1 TO 2 FOOT TREES DOWN. POWER POLES ARE BENT AND SOME SIDING OFF OF HOUSES. ESTIMATED WINDS OF 60 TO 70 MPH LASTED ABOUT 25 MINUTES.
Jun 11, 5:33 PM CDT	TSTM WND GST 64	3 Wnw Cole Camp, MO	CORRECTS PREVIOUS TSTM WND GST REPORT FROM 3 WNW COLE CAMP. MESONET STATION FW3737 COLE CAMP. WIND IS FROM 332 DEGREES.
Jun 11, 5:33 PM CDT	TSTM WND GST 64	3 Wnw Cole Camp, MO	MESONET STATION FW3737 COLE CAMP.
Jun 11, 5:49 PM CDT	TSTM WND GST 59	3 Ssw Lincoln, MO	WIND GUST OF 59 MPH. WIND IS FROM 360 DEGREES. WARSAW MUNICIPAL AIRPORT.
Jun 11, 6:00 PM CDT	HAIL 1.25	1 Ne Warsaw, MO	TIME ESTIMATED VIA RADAR. REPORT VIA SOCIAL MEDIA.

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 12:00Z, 10.1 hours before the alert went out and 179 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: 2202 J/kg
Mixed-layer CIN: -22 J/kg
Mixed-layer LCL: 774 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 21 m²/s²
0-3 km storm-relative helicity: 64 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.8

Open this sounding in Storm Lab

The text

As transmitted.

918 
WUUS53 KSGF 112206
SVRSGF
MOC015-141-112300-
/O.NEW.KSGF.SV.W.0072.210611T2206Z-210611T2300Z/

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

The National Weather Service in Springfield has issued a

* Severe Thunderstorm Warning for...
  Benton County in central Missouri...
  Morgan County in central Missouri...

* Until 600 PM CDT.

* At 505 PM CDT, severe thunderstorms were located along a line 
  extending from near Sedalia to near Urich, moving southeast at 30 
  mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Truman Lake...                    Truman State Park...
  Versailles...                     Warsaw...
  Lincoln...                        Cole Camp...
  Stover...                         Barnett...
  Ionia...                          Palo Pinto...
  Brandon...                        Crockerville...
  Zora...                           Racket...
  Edmonson...                       Mora...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

If on or near Truman 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 3836 9265 3820 9351 3821 9352 3851 9351
      3851 9330 3854 9329 3854 9326 3853 9307
      3862 9306
TIME...MOT...LOC 2205Z 315DEG 16KT 3863 9319 3844 9403 

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

Cramer

1 follow-up statement

532 
WWUS53 KSGF 112234
SVSSGF

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

MOC141-112243-
/O.CAN.KSGF.SV.W.0072.000000T0000Z-210611T2300Z/
Morgan MO-
534 PM CDT Fri Jun 11 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN MORGAN COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
central and west central Missouri.

LAT...LON 3853 9307 3835 9307 3835 9308 3828 9308
      3820 9351 3821 9352 3851 9351 3851 9330
      3854 9329
TIME...MOT...LOC 2233Z 002DEG 18KT 3836 9337 

$$

MOC015-112300-
/O.CON.KSGF.SV.W.0072.000000T0000Z-210611T2300Z/
Benton MO-
534 PM CDT Fri Jun 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM CDT
FOR BENTON COUNTY...

At 533 PM CDT, a severe thunderstorm was located near Lincoln, or 7
miles north of Warsaw, moving south at 20 mph.

HAZARD...70 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings.

Locations impacted include...
Truman Lake...                    Truman State Park...
Warsaw...                         Lincoln...
Cole Camp...                      Ionia...
Palo Pinto...                     Brandon...
Crockerville...                   Zora...
Racket...                         Edmonson...
Mora...                           

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

If on or near Truman 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 3853 9307 3835 9307 3835 9308 3828 9308
      3820 9351 3821 9352 3851 9351 3851 9330
      3854 9329
TIME...MOT...LOC 2233Z 002DEG 18KT 3836 9337 

HAIL...1.00IN
WIND...70MPH
 
$$

Cramer

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 11, 5:39 PM CDT	Severe Thunderstorm Warning	SGF	Benton, Hickory, St. Clair	66 min
Jun 11, 5:58 PM CDT	Severe Thunderstorm Warning	SGF	Camden	62 min
Jun 11, 6:41 PM CDT	Severe Thunderstorm Warning	SGF	Cedar, Polk	64 min
Jun 11, 6:55 PM CDT	Severe Thunderstorm Warning	SGF	Camden, Dallas, Laclede	35 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.