Alert archive / Missouri / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 121, NWS Springfield, MO
NWS Springfield, MO issued this severe thunderstorm warning at Jul 31, 2021, 9:05 PM CDT for Douglas County, Howell County, Ozark County, Missouri. It was in force for 40 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
- Jul 31, 2021, 9:05 PM CDT (02:05 UTC)
- Expired
- Jul 31, 2021, 9:45 PM CDT
- In force
- 40 min
- Issued by
- NWS Springfield, MO
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Douglas County, MO, Howell County, MO, Ozark County, MO
The radar
The Springfield radar (KSGF), 95 km from the middle of the area, began a volume at 02:05 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 |
|---|---|---|---|
| Jul 31, 9:35 PM CDT | TSTM WND DMG | 3 Ese Rome, MO | A TREE WAS REPORTED DOWN ON THE PAVED ROAD GOING TO GLADE NEAR A HIGHWAY. TIME ESTIMATED VIA RADAR. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 2.1 hours before the alert went out and 115 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
- 2653 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 1449 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 49 m²/s²
- 0-3 km storm-relative helicity
- 71 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
070
WUUS53 KSGF 010205
SVRSGF
MOC067-091-153-010245-
/O.NEW.KSGF.SV.W.0121.210801T0205Z-210801T0245Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Springfield MO
905 PM CDT Sat Jul 31 2021
The National Weather Service in Springfield has issued a
* Severe Thunderstorm Warning for...
Ozark County in southwestern Missouri...
Southern Douglas County in southwestern Missouri...
Southwestern Howell County in south central Missouri...
* Until 945 PM CDT.
* At 905 PM CDT, severe thunderstorms were located along a line
extending from near West Plains to 9 miles north of Price Place,
moving southeast at 30 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
West Plains... Bull Shoals Lake...
Norfork Lake... Gainesville...
Pomona... Bakersfield...
Theodosia... South Fork...
Pontiac... Wasola...
Sundown... Lanton...
Brixey... Willhoit...
Tecumseh... Pottersville...
Caulfield... Udall...
Hardenville... Thornfield...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3676 9277 3680 9277 3681 9279 3693 9285
3694 9191 3650 9167 3650 9265
TIME...MOT...LOC 0205Z 309DEG 28KT 3670 9189 3662 9265
HAIL...0.75IN
WIND...60MPH
$$
DSA2 follow-up statements
811
WWUS53 KSGF 010236
SVSSGF
Severe Weather Statement
National Weather Service Springfield MO
936 PM CDT Sat Jul 31 2021
MOC067-091-153-010245-
/O.CON.KSGF.SV.W.0121.000000T0000Z-210801T0245Z/
Ozark MO-Douglas MO-Howell MO-
936 PM CDT Sat Jul 31 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM CDT
FOR EASTERN OZARK...SOUTHEASTERN DOUGLAS AND SOUTHWESTERN HOWELL
COUNTIES...
At 935 PM CDT, severe thunderstorms were located along a line
extending from 8 miles west of Thayer to near Arkawana, moving
southeast at 30 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Trained weather spotters. Tree down over road across
Highway 95 southbound one mile from the Highway 5
intersection.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
West Plains... Norfork Lake...
Pomona... Bakersfield...
South Fork... Lanton...
Siloam Springs... Moody...
Dora... Pottersville...
Caulfield... Udall...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3667 9226 3693 9217 3694 9191 3650 9167
3650 9231
TIME...MOT...LOC 0235Z 309DEG 28KT 3656 9168 3649 9244
HAIL...0.75IN
WIND...60MPH
$$
DSA101
WWUS53 KSGF 010244
SVSSGF
Severe Weather Statement
National Weather Service Springfield MO
944 PM CDT Sat Jul 31 2021
MOC067-091-153-010254-
/O.EXP.KSGF.SV.W.0121.000000T0000Z-210801T0245Z/
Ozark MO-Douglas MO-Howell MO-
944 PM CDT Sat Jul 31 2021
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN OZARK...SOUTHEASTERN
DOUGLAS AND SOUTHWESTERN HOWELL COUNTIES WILL EXPIRE AT 945 PM CDT...
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 will be allowed to expire. However gusty
winds and heavy rain are still possible with these thunderstorms.
LAT...LON 3667 9226 3693 9217 3694 9191 3650 9167
3650 9231
TIME...MOT...LOC 0244Z 309DEG 28KT 3651 9161 3645 9237
$$
DSAThe office that day
Everything else NWS Springfield, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 31, 7:40 PM CDT | Special Weather Statement | SGF | Shannon | 50 min |
| Jul 31, 7:51 PM CDT | Special Weather Statement | SGF | Jasper, Newton | 39 min |
| Jul 31, 7:58 PM CDT | Special Weather Statement | SGF | Christian | 47 min |
| Jul 31, 8:06 PM CDT | Severe Thunderstorm Warning | SGF | Christian, Douglas, Greene, Webster | 25 min |
| Jul 31, 8:28 PM CDT | Special Weather Statement | SGF | Douglas, Howell, Ozark | 47 min |
| Jul 31, 8:30 PM CDT | Severe Thunderstorm Warning | SGF | Barton, Dade | 45 min |
| Jul 31, 8:37 PM CDT | Severe Thunderstorm Warning | SGF | Douglas, Howell, Oregon, Ozark, Taney | 38 min |
| Aug 1, 2:14 AM CDT | Areal Flood Advisory | SGF | Christian, Greene, Lawrence | 6 hr |
| Aug 1, 4:42 AM CDT | Areal Flood Advisory | SGF | Howell, Ozark | 6 hr |
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.