Alert archive / Missouri / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 86, NWS Springfield, MO
NWS Springfield, MO issued this severe thunderstorm warning at Jun 11, 2021, 8:53 PM CDT for Ozark County, Missouri. It was in force for 37 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, 8:53 PM CDT (01:53 UTC)
- Expired
- Jun 11, 2021, 9:30 PM CDT
- In force
- 37 min
- Issued by
- NWS Springfield, MO
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Ozark County, MO
The radar
The Springfield radar (KSGF), 106 km from the middle of the area, began a volume at 01:53 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, 9:10 PM CDT | TSTM WND DMG | 2 Ne Pontiac, MO | SEVERAL HUNDRED OUTAGES DUE TO STORMS PER ELECTRIC COOP. |
| Jun 11, 9:14 PM CDT | TSTM WND DMG | 4 Sw Zanoni, MO | TREE DOWN BLOCKING HWY AA 2 MILES FROM HWY 181. TIME BASED ON RADAR. |
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, 1.9 hours before the alert went out and 116 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
- 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
The text
As transmitted.
844
WUUS53 KSGF 120153
SVRSGF
MOC153-120230-
/O.NEW.KSGF.SV.W.0086.210612T0153Z-210612T0230Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Springfield MO
853 PM CDT Fri Jun 11 2021
The National Weather Service in Springfield has issued a
* Severe Thunderstorm Warning for...
Southern Ozark County in southwestern Missouri...
* Until 930 PM CDT.
* At 853 PM CDT, severe thunderstorms were located along a line
extending from 9 miles north of Gainesville to 11 miles northwest
of Price Place, moving south 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...
Bull Shoals Lake... Norfork Lake...
Gainesville... Pontiac...
Sundown... Hardenville...
Tecumseh... Isabella...
Zanoni... Udall...
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 3651 9277 3673 9235 3650 9222 3650 9277
TIME...MOT...LOC 0153Z 344DEG 27KT 3675 9244 3659 9277
HAIL...1.00IN
WIND...60MPH
$$
Titus1 follow-up statement
515
WWUS53 KSGF 120224
SVSSGF
Severe Weather Statement
National Weather Service Springfield MO
924 PM CDT Fri Jun 11 2021
MOC153-120233-
/O.EXP.KSGF.SV.W.0086.000000T0000Z-210612T0230Z/
Ozark MO-
924 PM CDT Fri Jun 11 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN OZARK COUNTY WILL
EXPIRE AT 930 PM CDT...
The storms which prompted the warning are moving out of the area.
Therefore, the warning will be allowed to expire.
A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
southwestern Missouri.
LAT...LON 3651 9277 3673 9235 3650 9222 3650 9277
TIME...MOT...LOC 0223Z 308DEG 33KT 3656 9227 3645 9238
$$
TitusThe 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, 8:26 PM CDT | Severe Thunderstorm Warning | SGF | Newton | 35 min |
| 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, 11:10 PM CDT | High Wind Warning | SGF | Christian, Stone, Taney | 79 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.