Alert archive / Missouri / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 22, NWS Springfield, MO
NWS Springfield, MO issued this severe thunderstorm warning at Apr 7, 2021, 3:56 PM CDT for Miller County, Missouri. It was in force for 34 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
- Apr 7, 2021, 3:56 PM CDT (20:56 UTC)
- Expired
- Apr 7, 2021, 4:30 PM CDT
- In force
- 34 min
- Issued by
- NWS Springfield, MO
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Miller County, MO
The radar
The Springfield radar (KSGF), 148 km from the middle of the area, began a volume at 20:57 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 7, 12:02 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 8.9 hours before the alert went out and 199 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
- 790 J/kg
- Mixed-layer CIN
- -275 J/kg
- Mixed-layer LCL
- 767 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 186 m²/s²
- 0-3 km storm-relative helicity
- 223 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted.
371
WUUS53 KSGF 072056
SVRSGF
MOC131-072130-
/O.NEW.KSGF.SV.W.0022.210407T2056Z-210407T2130Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Springfield MO
356 PM CDT Wed Apr 7 2021
The National Weather Service in Springfield has issued a
* Severe Thunderstorm Warning for...
Miller County in central Missouri...
* Until 430 PM CDT.
* At 355 PM CDT, severe thunderstorms were located along a line
extending from near Eldon to Iberia, moving northeast at 45 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...ASOS.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Eldon... Saint Elizabeth...
St. Elizabeth... Tuscumbia...
Eugene... Olean...
Ulman... Etterville...
Marys Home... Aurora Springs...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3843 9255 3842 9241 3834 9240 3834 9229
3832 9225 3834 9222 3833 9219 3820 9219
3802 9242 3802 9243 3833 9263 3843 9257
TIME...MOT...LOC 2055Z 231DEG 39KT 3837 9255 3811 9227
HAIL...1.00IN
WIND...60MPH
$$
Raberding2 follow-up statements
878
WWUS53 KSGF 072115
SVSSGF
Severe Weather Statement
National Weather Service Springfield MO
415 PM CDT Wed Apr 7 2021
MOC131-072130-
/O.CON.KSGF.SV.W.0022.000000T0000Z-210407T2130Z/
Miller MO-
415 PM CDT Wed Apr 7 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM CDT
FOR NORTHEASTERN MILLER COUNTY...
At 414 PM CDT, severe thunderstorms were located along a line
extending from near Hickory Hill to 8 miles south of St. Thomas,
moving northeast at 40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Saint Elizabeth... St. Elizabeth...
Eugene... Olean...
Marys Home... Etterville...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3834 9240 3834 9229 3832 9225 3834 9222
3833 9219 3820 9219 3815 9238 3843 9255
3842 9241
TIME...MOT...LOC 2114Z 233DEG 34KT 3832 9236 3825 9220
HAIL...<.75IN
WIND...60MPH
$$
Raberding996
WWUS53 KSGF 072122
SVSSGF
Severe Weather Statement
National Weather Service Springfield MO
422 PM CDT Wed Apr 7 2021
MOC131-072132-
/O.EXP.KSGF.SV.W.0022.000000T0000Z-210407T2130Z/
Miller MO-
422 PM CDT Wed Apr 7 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MILLER COUNTY
WILL EXPIRE AT 430 PM CDT...
The storms which prompted the warning have weakened below severe
limits, and have exited the warned area. Therefore, the warning will
be allowed to expire.
A Severe Thunderstorm Watch remains in effect until 700 PM CDT for
central Missouri.
LAT...LON 3834 9240 3834 9229 3832 9225 3834 9222
3833 9219 3820 9219 3815 9238 3843 9255
3842 9241
TIME...MOT...LOC 2122Z 231DEG 39KT 3836 9230 3829 9214
$$
RaberdingThe office that day
Everything else NWS Springfield, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 7, 7:16 AM CDT | Special Weather Statement | SGF | Christian | 29 min |
| Apr 7, 12:39 PM CDT | Special Weather Statement | SGF | Dade | 36 min |
| Apr 7, 1:04 PM CDT | Special Weather Statement | SGF | St. Clair | 26 min |
| Apr 7, 2:07 PM CDT | Severe Thunderstorm Warning | SGF | Christian, Greene, Stone | 38 min |
| Apr 7, 2:38 PM CDT | Severe Thunderstorm Warning | SGF | Benton, Camden, Morgan | 52 min |
| Apr 7, 2:46 PM CDT | Tornado Warning | SGF | Benton, Morgan | 29 min |
| Apr 7, 3:27 PM CDT | Severe Thunderstorm Warning | SGF | Webster, Wright | 48 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.