Alert archive / Missouri / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 87, NWS Springfield, MO
NWS Springfield, MO issued this severe thunderstorm warning at Jun 21, 2021, 1:07 AM CDT for Cedar County, St. Clair County, Vernon County, Missouri. It was in force for 38 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
- Jun 21, 2021, 1:07 AM CDT (06:07 UTC)
- Expired
- Jun 21, 2021, 1:45 AM CDT
- In force
- 38 min
- Issued by
- NWS Springfield, MO
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Cedar County, MO, St. Clair County, MO, Vernon County, MO
The radar
The Springfield radar (KSGF), 80 km from the middle of the area, began a volume at 06:10 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, 6.1 hours before the alert went out and 111 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
- 1346 J/kg
- Mixed-layer CIN
- -132 J/kg
- Mixed-layer LCL
- 1683 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 81 m²/s²
- 0-3 km storm-relative helicity
- 264 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 5.8
The text
As transmitted.
124
WUUS53 KSGF 210607
SVRSGF
MOC039-185-217-210645-
/O.NEW.KSGF.SV.W.0087.210621T0607Z-210621T0645Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Springfield MO
107 AM CDT Mon Jun 21 2021
The National Weather Service in Springfield has issued a
* Severe Thunderstorm Warning for...
Northern Cedar County in southwestern Missouri...
Northeastern Vernon County in west central Missouri...
Southern St. Clair County in west central Missouri...
* Until 145 AM CDT.
* At 107 AM CDT, severe thunderstorms were located along a line
extending from 10 miles west of Osceola to near El Dorado Springs
to Walker, moving east at 50 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...
El Dorado Springs... Walker...
Schell City... Collins...
Roscoe... Harwood...
Gerster... Caplinger Mills...
Tiffin... Taberville...
Filley... Cedar Springs...
Monegaw Springs...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3794 9351 3792 9351 3791 9357 3783 9357
3783 9363 3777 9363 3770 9397 3792 9429
3800 9415 3807 9396
TIME...MOT...LOC 0607Z 289DEG 43KT 3801 9389 3793 9403 3789 9420
HAIL...1.00IN
WIND...60MPH
$$
Titus2 follow-up statements
162
WWUS53 KSGF 210622
SVSSGF
Severe Weather Statement
National Weather Service Springfield MO
122 AM CDT Mon Jun 21 2021
MOC217-210632-
/O.CAN.KSGF.SV.W.0087.000000T0000Z-210621T0645Z/
Vernon MO-
122 AM CDT Mon Jun 21 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN VERNON COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
LAT...LON 3794 9351 3792 9352 3791 9357 3783 9357
3783 9363 3777 9364 3771 9393 3788 9407
3789 9407 3792 9394 3796 9388 3803 9382
TIME...MOT...LOC 0622Z 296DEG 47KT 3797 9376 3789 9377 3782 9384 3786
9399
$$
MOC039-185-210645-
/O.CON.KSGF.SV.W.0087.000000T0000Z-210621T0645Z/
Cedar MO-St. Clair MO-
122 AM CDT Mon Jun 21 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 AM CDT
FOR NORTHERN CEDAR AND SOUTHERN ST. CLAIR COUNTIES...
At 122 AM CDT, severe thunderstorms were located along a line
extending from 6 miles southwest of Osceola to 12 miles northwest of
Humansville to 9 miles north of Stockton to El Dorado Springs, moving
southeast at 55 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
El Dorado Springs... Collins...
Roscoe... Gerster...
Caplinger Mills... Filley...
Cedar Springs...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3794 9351 3792 9352 3791 9357 3783 9357
3783 9363 3777 9364 3771 9393 3788 9407
3789 9407 3792 9394 3796 9388 3803 9382
TIME...MOT...LOC 0622Z 296DEG 47KT 3797 9376 3789 9377 3782 9384 3786
9399
HAIL...0.75IN
WIND...60MPH
$$
Titus848
WWUS53 KSGF 210633
SVSSGF
Severe Weather Statement
National Weather Service Springfield MO
133 AM CDT Mon Jun 21 2021
MOC039-185-210645-
/O.CON.KSGF.SV.W.0087.000000T0000Z-210621T0645Z/
Cedar MO-St. Clair MO-
133 AM CDT Mon Jun 21 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 AM CDT
FOR NORTHEASTERN CEDAR AND SOUTHEASTERN ST. CLAIR COUNTIES...
At 133 AM CDT, severe thunderstorms were located along a line
extending from near Weaubleau to near Humansville to near Stockton to
13 miles southeast of El Dorado Springs, moving southeast at 55 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Collins... Caplinger Mills...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3772 9387 3781 9390 3783 9383 3788 9376
3793 9367 3791 9357 3783 9357 3783 9363
3777 9364
TIME...MOT...LOC 0633Z 307DEG 49KT 3788 9363 3781 9363 3772 9374 3772
9386
HAIL...0.75IN
WIND...60MPH
$$
TitusThe office that day
Everything else NWS Springfield, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 12:06 AM CDT | Special Weather Statement | SGF | Morgan | 24 min |
| Jun 21, 12:56 AM CDT | Special Weather Statement | SGF | St. Clair, Vernon | 49 min |
| Jun 21, 1:29 AM CDT | Severe Thunderstorm Warning | SGF | Cedar, Hickory, Polk | 36 min |
| Jun 21, 1:55 AM CDT | Special Weather Statement | SGF | Polk | 35 min |
| Jun 21, 7:10 AM CDT | Areal Flood Advisory | SGF | Jasper, Newton | 4 hr |
| Jun 21, 7:26 AM CDT | Areal Flood Advisory | SGF | Barry, Stone, Taney | 4 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.