Alert archive / Missouri / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 133, NWS Springfield, MO
NWS Springfield, MO issued this severe thunderstorm warning at Sep 21, 2021, 12:46 AM CDT for Douglas County, Wright County, Missouri. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Sep 21, 2021, 12:46 AM CDT (05:46 UTC)
- Expired
- Sep 21, 2021, 1:33 AM CDT
- In force
- 47 min
- Issued by
- NWS Springfield, MO
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Douglas County, MO, Wright County, MO
The radar
The Springfield radar (KSGF), 78 km from the middle of the area, began a volume at 05:47 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.
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 5.8 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
- 842 J/kg
- Mixed-layer CIN
- -128 J/kg
- Mixed-layer LCL
- 1973 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 70 m²/s²
- 0-3 km storm-relative helicity
- 205 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted.
874
WUUS53 KSGF 210546
SVRSGF
MOC067-229-210645-
/O.NEW.KSGF.SV.W.0133.210921T0546Z-210921T0645Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Springfield MO
1246 AM CDT Tue Sep 21 2021
The National Weather Service in Springfield has issued a
* Severe Thunderstorm Warning for...
Southern Wright County in southwestern Missouri...
Northeastern Douglas County in southwestern Missouri...
* Until 145 AM CDT.
* At 1246 AM CDT, severe thunderstorms were located along a line
extending from near Seymour to 8 miles northwest of Ava, moving
east 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...
Mountain Grove... Mansfield...
Norwood...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3704 9268 3721 9268 3720 9267 3724 9225
3697 9225
TIME...MOT...LOC 0546Z 269DEG 27KT 3719 9277 3703 9278
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Wise2 follow-up statements
260
WWUS53 KSGF 210617
SVSSGF
Severe Weather Statement
National Weather Service Springfield MO
117 AM CDT Tue Sep 21 2021
MOC067-229-210645-
/O.CON.KSGF.SV.W.0133.000000T0000Z-210921T0645Z/
Wright MO-Douglas MO-
117 AM CDT Tue Sep 21 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 AM CDT
FOR SOUTHEASTERN WRIGHT AND NORTHEASTERN DOUGLAS COUNTIES...
At 116 AM CDT, severe thunderstorms were located along a line
extending from near Hartville to 7 miles southeast of Mansfield,
moving east at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Mountain Grove... Mansfield...
Norwood...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3703 9264 3718 9256 3719 9255 3719 9225
3697 9225
TIME...MOT...LOC 0616Z 271DEG 27KT 3718 9251 3702 9252
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Wise577
WWUS53 KSGF 210633
SVSSGF
Severe Weather Statement
National Weather Service Springfield MO
133 AM CDT Tue Sep 21 2021
MOC067-229-210643-
/O.CAN.KSGF.SV.W.0133.000000T0000Z-210921T0645Z/
Wright MO-Douglas MO-
133 AM CDT Tue Sep 21 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN WRIGHT AND
NORTHEASTERN DOUGLAS 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 gusty winds are
still possible with these thunderstorms.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Springfield.
LAT...LON 3703 9264 3718 9256 3719 9255 3719 9225
3697 9225
TIME...MOT...LOC 0629Z 269DEG 27KT 3718 9238 3702 9239
$$
WiseThe office that day
Everything else NWS Springfield, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 20, 10:01 PM CDT | Special Weather Statement | SGF | Jasper, Newton | 59 min |
| Sep 20, 10:55 PM CDT | Special Weather Statement | SGF | Barry, Lawrence, McDonald, Newton | 65 min |
| Sep 20, 11:06 PM CDT | Severe Thunderstorm Warning | SGF | McDonald, Newton | 39 min |
| Sep 20, 11:18 PM CDT | Special Weather Statement | SGF | Greene | 42 min |
| Sep 20, 11:42 PM CDT | Severe Thunderstorm Warning | SGF | McDonald | 48 min |
| Sep 20, 11:44 PM CDT | Special Weather Statement | SGF | Barry, Christian, Stone | 31 min |
| Sep 21, 12:18 AM CDT | Special Weather Statement | SGF | Christian, Webster | 42 min |
| Sep 21, 12:31 AM CDT | Severe Thunderstorm Warning | SGF | Webster | 33 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.