Alert archive / Missouri / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 78, NWS Springfield, MO
NWS Springfield, MO issued this severe thunderstorm warning at Jun 11, 2021, 6:55 PM CDT for Camden County, Dallas County, Laclede 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, 6:55 PM CDT (23:55 UTC)
- Expired
- Jun 11, 2021, 7:30 PM CDT
- In force
- 35 min
- Issued by
- NWS Springfield, MO
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 60.0 mph
Counties Camden County, MO, Dallas County, MO, Laclede County, MO
The radar
The Springfield radar (KSGF), 96 km from the middle of the area, began a volume at 23:57 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, 7:02 PM CDT | HAIL 1 | Osage Beach, MO |
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, 11.9 hours before the alert went out and 147 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.
412
WUUS53 KSGF 112355
SVRSGF
MOC029-059-105-120100-
/O.NEW.KSGF.SV.W.0078.210611T2355Z-210612T0100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Springfield MO
655 PM CDT Fri Jun 11 2021
The National Weather Service in Springfield has issued a
* Severe Thunderstorm Warning for...
Dallas County in southwestern Missouri...
Laclede County in southwestern Missouri...
Camden County in central Missouri...
* Until 800 PM CDT.
* At 654 PM CDT, severe thunderstorms were located along a line
extending from near Osage Beach to 6 miles southeast of Macks Creek
to near Buffalo, moving southeast at 25 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...
Lebanon... Lake of The Ozarks...
Lake of The Ozarks State Park... Ha Ha Tonka State Park...
Bennett Spring State Park... Osage Beach...
Camdenton... Buffalo...
Village of Four Seasons... Richland...
Morgan... Conway...
Sunrise Beach... Urbana...
Macks Creek... Linn Creek...
Phillipsburg... Stoutland...
Bennett Springs... Louisburg...
This includes Interstate 44 between mile markers 110 and 144.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Large hail and damaging winds and continuous cloud to ground
lightning is occurring with these storms. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.
&&
LAT...LON 3821 9265 3817 9264 3817 9261 3810 9259
3804 9253 3802 9240 3772 9241 3764 9225
3747 9225 3749 9307 3742 9308 3742 9318
3784 9319 3790 9307 3822 9276 3823 9271
TIME...MOT...LOC 2354Z 309DEG 20KT 3815 9261 3793 9286 3771 9315
HAIL...1.25IN
WIND...60MPH
$$
Cramer1 follow-up statement
936
WWUS53 KSGF 120030
SVSSGF
Severe Weather Statement
National Weather Service Springfield MO
730 PM CDT Fri Jun 11 2021
MOC029-059-105-120040-
/O.CAN.KSGF.SV.W.0078.000000T0000Z-210612T0100Z/
Dallas MO-Laclede MO-Camden MO-
730 PM CDT Fri Jun 11 2021
...THE SEVERE THUNDERSTORM WARNING FOR DALLAS...LACLEDE AND CAMDEN
COUNTIES IS CANCELLED...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning has been cancelled. However heavy rain is
still possible with these thunderstorms.
A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
central and southwestern Missouri.
LAT...LON 3821 9265 3817 9264 3817 9261 3810 9259
3804 9253 3802 9240 3772 9241 3764 9225
3747 9225 3749 9307 3742 9308 3742 9318
3784 9319 3790 9307 3822 9276 3823 9271
TIME...MOT...LOC 0030Z 309DEG 20KT 3802 9241 3780 9266 3758 9295
$$
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, 6:41 PM CDT | Severe Thunderstorm Warning | SGF | Cedar, Polk | 64 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.