Alert archive / Missouri / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 76, NWS Springfield, MO
NWS Springfield, MO issued this severe thunderstorm warning at Jun 11, 2021, 6:41 PM CDT for Cedar County, Polk County, Missouri. It was in force for 64 min. 2 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, 6:41 PM CDT (23:41 UTC)
- Expired
- Jun 11, 2021, 7:45 PM CDT
- In force
- 64 min
- Issued by
- NWS Springfield, MO
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 60.0 mph
Counties Cedar County, MO, Polk County, MO
The radar
The Springfield radar (KSGF), 49 km from the middle of the area, began a volume at 23:45 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, 6:55 PM CDT | TSTM WND DMG | 2 W Bolivar, MO | DELAYED REPORT. BIGGER LIMBS DOWN IN WEST BOLIVAR. ONE LANDED ON A CAR DESTROYING IT. |
| Jun 11, 7:20 PM CDT | TSTM WND DMG | Brighton, MO | SEVERAL OUTAGES DUE TO LIMBS ON LINES. |
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, 11.7 hours before the alert went out and 91 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.
- 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
The text
As transmitted.
136
WUUS53 KSGF 112341
SVRSGF
MOC039-167-120045-
/O.NEW.KSGF.SV.W.0076.210611T2341Z-210612T0045Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Springfield MO
641 PM CDT Fri Jun 11 2021
The National Weather Service in Springfield has issued a
* Severe Thunderstorm Warning for...
Eastern Cedar County in southwestern Missouri...
Polk County in southwestern Missouri...
* Until 745 PM CDT.
* At 639 PM CDT, a severe thunderstorm was located near Humansville,
or 15 miles northeast of Stockton, moving south at 20 mph.
HAZARD...60 mph wind gusts and half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Bolivar... Stockton Lake...
Pomme de Terre Lake... Stockton State Park...
Stockton... Humansville...
Polk... Pleasant Hope...
Fair Play... Morrisville...
Halfway... Flemington...
Aldrich... Umber View Heights...
Bearcreek... Masters...
Brighton... Cane Hill...
Arnica... Eudora...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
If on or near Stockton 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 3783 9357 3781 9358 3781 9356 3780 9319
3773 9319 3773 9317 3743 9318 3742 9319
3743 9362 3757 9362 3758 9386 3783 9372
TIME...MOT...LOC 2339Z 347DEG 14KT 3784 9359
HAIL...1.25IN
WIND...60MPH
$$
Cramer2 follow-up statements
223
WWUS53 KSGF 120016
SVSSGF
Severe Weather Statement
National Weather Service Springfield MO
716 PM CDT Fri Jun 11 2021
MOC039-120025-
/O.CAN.KSGF.SV.W.0076.000000T0000Z-210612T0045Z/
Cedar MO-
716 PM CDT Fri Jun 11 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CEDAR COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
southwestern Missouri.
LAT...LON 3764 9331 3764 9317 3743 9318 3742 9319
3743 9362 3748 9362 3756 9351
TIME...MOT...LOC 0015Z 340DEG 28KT 3748 9342
$$
MOC167-120045-
/O.CON.KSGF.SV.W.0076.000000T0000Z-210612T0045Z/
Polk MO-
716 PM CDT Fri Jun 11 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR SOUTHERN POLK COUNTY...
At 715 PM CDT, a severe thunderstorm was located over Morrisville, or
8 miles south of Bolivar, moving south at 30 mph.
HAZARD...70 mph wind gusts and half dollar 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...
Bolivar... Pleasant Hope...
Morrisville... Halfway...
Eudora... Brighton...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3764 9331 3764 9317 3743 9318 3742 9319
3743 9362 3748 9362 3756 9351
TIME...MOT...LOC 0015Z 340DEG 28KT 3748 9342
HAIL...1.25IN
WIND...70MPH
$$
Cramer461
WWUS53 KSGF 120051 RRA
SVSSGF
Severe Weather Statement
National Weather Service Springfield MO
751 PM CDT Fri Jun 11 2021
MOC167-120101-
/O.EXP.KSGF.SV.W.0076.000000T0000Z-210612T0045Z/
Polk MO-
751 PM CDT Fri Jun 11 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN POLK COUNTY HAS
EXPIRED...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been allowed to expire.
A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
southwestern Missouri.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Springfield.
LAT...LON 3764 9331 3764 9317 3743 9318 3742 9319
3743 9362 3748 9362 3756 9351
TIME...MOT...LOC 0051Z 347DEG 14KT 3735 9338
$$
CramerThe office that day
Everything else NWS Springfield, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 5:06 PM CDT | Severe Thunderstorm Warning | SGF | Benton, Morgan | 54 min |
| 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, 6:55 PM CDT | Severe Thunderstorm Warning | SGF | Camden, Dallas, Laclede | 35 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.