Alert archive / Missouri / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 122, NWS Springfield, MO
NWS Springfield, MO issued this severe thunderstorm warning at Aug 8, 2021, 1:41 PM CDT for Maries County, Phelps County, Pulaski County, Missouri. It was in force for 49 min. 3 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
- Aug 8, 2021, 1:41 PM CDT (18:41 UTC)
- Expired
- Aug 8, 2021, 2:30 PM CDT
- In force
- 49 min
- Issued by
- NWS Springfield, MO
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 60.0 mph
Counties Maries County, MO, Phelps County, MO, Pulaski County, MO
The radar
The St Louis radar (KLSX), 131 km from the middle of the area, began a volume at 18:41 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 |
|---|---|---|---|
| Aug 8, 1:41 PM CDT | TSTM WND GST 46 | 2 Ene Fort Leonard Wood, MO | AWOS STATION KTBN FORT LEONARD WOOD AWOS. |
| Aug 8, 2:12 PM CDT | TSTM WND DMG | 2 Se Newburg, MO | POWER LINES DOWN AND BROKEN TREE LIMBS 8-12 INCHES IN DIAMETER. |
| Aug 8, 2:27 PM CDT | TSTM WND GST 43 | 2 Ene Northwye, MO | MESONET STATION FW7335 3 NE ROLLA. |
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 |
|---|---|---|---|
| Aug 8, 12:44 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 6.7 hours before the alert went out and 209 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
- 1051 J/kg
- Mixed-layer CIN
- -49 J/kg
- Mixed-layer LCL
- 838 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 115 m²/s²
- 0-3 km storm-relative helicity
- 129 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 3.3
The text
As transmitted.
553
WUUS53 KSGF 081841
SVRSGF
MOC125-161-169-081930-
/O.NEW.KSGF.SV.W.0122.210808T1841Z-210808T1930Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Springfield MO
141 PM CDT Sun Aug 8 2021
The National Weather Service in Springfield has issued a
* Severe Thunderstorm Warning for...
Southeastern Maries County in central Missouri...
Eastern Pulaski County in central Missouri...
Phelps County in east central Missouri...
* Until 230 PM CDT.
* At 141 PM CDT, a severe thunderstorm was located near St. Robert,
or 7 miles east of Waynesville, moving northeast at 40 mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Rolla... Fort Leonard Wood...
Waynesville... St. Robert...
St. James... Doolittle...
Newburg... Northwye...
Devil's Elbow... Jerome...
Rosati...
This includes Interstate 44 between mile markers 156 and 169, and
between mile markers 171 and 200.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3767 9214 3788 9228 3815 9162 3815 9154
3812 9152 3788 9153
TIME...MOT...LOC 1841Z 240DEG 35KT 3780 9209
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Angle2 follow-up statements
002
WWUS53 KSGF 081904
SVSSGF
Severe Weather Statement
National Weather Service Springfield MO
204 PM CDT Sun Aug 8 2021
MOC169-081912-
/O.CAN.KSGF.SV.W.0122.000000T0000Z-210808T1930Z/
Pulaski MO-
204 PM CDT Sun Aug 8 2021
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN PULASKI COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Additional strong thunderstorms will move through
eastern Pulaski county over the next 30 minutes.
LAT...LON 3788 9153 3772 9198 3771 9203 3799 9202
3815 9162 3815 9154 3812 9152
TIME...MOT...LOC 1902Z 240DEG 35KT 3791 9186
$$
MOC125-161-081930-
/O.CON.KSGF.SV.W.0122.000000T0000Z-210808T1930Z/
Maries MO-Phelps MO-
204 PM CDT Sun Aug 8 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 PM CDT
FOR SOUTHEASTERN MARIES AND PHELPS COUNTIES...
At 202 PM CDT, a severe thunderstorm was located over Newburg, or
near Rolla, moving northeast at 40 mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Rolla... St. James...
Doolittle... Newburg...
Northwye... Jerome...
Rosati...
This includes Interstate 44 near mile marker 169, and between mile
markers 171 and 200.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
&&
LAT...LON 3788 9153 3772 9198 3771 9203 3799 9202
3815 9162 3815 9154 3812 9152
TIME...MOT...LOC 1902Z 240DEG 35KT 3791 9186
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Angle826
WWUS53 KSGF 081930
SVSSGF
Severe Weather Statement
National Weather Service Springfield MO
230 PM CDT Sun Aug 8 2021
MOC125-161-081939-
/O.EXP.KSGF.SV.W.0122.000000T0000Z-210808T1930Z/
Maries MO-Phelps MO-
230 PM CDT Sun Aug 8 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MARIES AND PHELPS
COUNTIES WILL EXPIRE AT 230 PM CDT...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However gusty
winds to 50 mph are still possible with these thunderstorms.
A Severe Thunderstorm Watch remains in effect until 800 PM CDT for
south central, central and east central Missouri.
LAT...LON 3788 9153 3772 9198 3771 9203 3799 9202
3815 9162 3815 9154 3812 9152
TIME...MOT...LOC 1929Z 240DEG 35KT 3804 9158
$$
AngleThe office that day
Everything else NWS Springfield, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 8, 8:36 AM CDT | Special Weather Statement | SGF | Lawrence | 24 min |
| Aug 8, 12:17 PM CDT | Special Weather Statement | SGF | Laclede | 28 min |
| Aug 8, 12:24 PM CDT | Special Weather Statement | SGF | Webster | 36 min |
| Aug 8, 12:49 PM CDT | Special Weather Statement | SGF | Laclede | 26 min |
| Aug 8, 1:21 PM CDT | Special Weather Statement | SGF | Phelps, Pulaski, Texas, Wright | 24 min |
| Aug 8, 2:46 PM CDT | Heat Advisory | SGF | Barry, Barton, Benton, Camden, Cedar, Christian and 28 more | 4 days |
| Aug 8, 4:50 PM CDT | Special Weather Statement | SGF | Dallas | 25 min |
| Aug 8, 6:23 PM CDT | Special Weather Statement | SGF | Wright | 37 min |
| Aug 8, 6:46 PM CDT | Special Weather Statement | SGF | Wright | 29 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.