Alert archive / Missouri / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 160, NWS Springfield, MO
NWS Springfield, MO issued this severe thunderstorm warning at Nov 10, 2021, 10:21 PM CST for Greene County, Polk County, Missouri. It was in force for 39 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
- Nov 10, 2021, 10:21 PM CST (04:21 UTC)
- Expired
- Nov 10, 2021, 11:00 PM CST
- In force
- 39 min
- Issued by
- NWS Springfield, MO
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Greene County, MO, Polk County, MO
The radar
The Springfield radar (KSGF), 31 km from the middle of the area, began a volume at 04:19 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 |
|---|---|---|---|
| Nov 10, 10:33 PM CST | TSTM WND GST 50 | 2 S Willard, MO | ESTIMATED GUSTS OF 45-50 MPH. |
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, 4.4 hours before the alert went out and 77 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
- 5 J/kg
- Mixed-layer CIN
- -156 J/kg
- Mixed-layer LCL
- 1136 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 185 m²/s²
- 0-3 km storm-relative helicity
- 187 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
258
WUUS53 KSGF 110421
SVRSGF
MOC077-167-110500-
/O.NEW.KSGF.SV.W.0160.211111T0421Z-211111T0500Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Springfield MO
1021 PM CST Wed Nov 10 2021
The National Weather Service in Springfield has issued a
* Severe Thunderstorm Warning for...
Polk County in southwestern Missouri...
Northern Greene County in southwestern Missouri...
* Until 1100 PM CST.
* At 1021 PM CST, severe thunderstorms were located along a line
extending from 6 miles east of Humansville to near Fair Play to
near Walnut Grove to Ash Grove, moving northeast at 40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Bolivar... Pomme de Terre Lake...
Stockton Lake... Willard...
Ash Grove... Fair Grove...
Walnut Grove... Polk...
Pleasant Hope... Fair Play...
Morrisville... Halfway...
Flemington... Aldrich...
Sacville... Glidewell...
Ebenezer... Brighton...
Bois D'arc... Cave Springs...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3728 9361 3730 9363 3756 9362 3780 9350
3782 9348 3780 9319 3773 9319 3773 9317
3742 9319 3741 9313 3735 9313 3721 9361
TIME...MOT...LOC 0421Z 242DEG 32KT 3777 9346 3759 9355 3741 9361 3731
9361
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Wise2 follow-up statements
515
WWUS53 KSGF 110423
SVSSGF
Severe Weather Statement
National Weather Service Springfield MO
1023 PM CST Wed Nov 10 2021
MOC077-167-110500-
/O.CON.KSGF.SV.W.0160.000000T0000Z-211111T0500Z/
Polk MO-Greene MO-
1023 PM CST Wed Nov 10 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM CST
FOR POLK AND NORTHERN GREENE COUNTIES...
At 1023 PM CST, severe thunderstorms were located along a line
extending from 6 miles east of Humansville to near Fair Play to near
Walnut Grove to near Ash Grove, moving northeast at 40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Bolivar... Pomme de Terre Lake...
Stockton Lake... Willard...
Ash Grove... Fair Grove...
Walnut Grove... Polk...
Pleasant Hope... Fair Play...
Morrisville... Halfway...
Flemington... Aldrich...
Sacville... Glidewell...
Ebenezer... Brighton...
Bois D'arc... Cave Springs...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3728 9361 3730 9363 3756 9362 3780 9350
3782 9348 3780 9319 3773 9319 3773 9317
3742 9319 3741 9313 3735 9313 3721 9361
TIME...MOT...LOC 0423Z 242DEG 32KT 3777 9347 3759 9356 3741 9362 3731
9362
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Wise524
WWUS53 KSGF 110451
SVSSGF
Severe Weather Statement
National Weather Service Springfield MO
1051 PM CST Wed Nov 10 2021
MOC077-167-110501-
/O.EXP.KSGF.SV.W.0160.000000T0000Z-211111T0500Z/
Polk MO-Greene MO-
1051 PM CST Wed Nov 10 2021
...THE SEVERE THUNDERSTORM WARNING FOR POLK AND NORTHERN GREENE
COUNTIES WILL EXPIRE AT 1100 PM CST...
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. However gusty winds are still possible with
these thunderstorms.
LAT...LON 3728 9361 3730 9363 3756 9362 3780 9350
3782 9348 3780 9319 3773 9319 3773 9317
3742 9319 3741 9313 3735 9313 3721 9361
TIME...MOT...LOC 0451Z 242DEG 32KT 3788 9320 3770 9329 3752 9335 3742
9335
$$
WiseThe office that day
Everything else NWS Springfield, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 10, 8:27 PM CST | Special Weather Statement | SGF | Jasper, McDonald, Newton | 63 min |
| Nov 10, 8:59 PM CST | Severe Thunderstorm Warning | SGF | Barton, Jasper | 46 min |
| Nov 10, 9:22 PM CST | Special Weather Statement | SGF | Barry, Lawrence | 38 min |
| Nov 10, 9:34 PM CST | Special Weather Statement | SGF | Dade | 41 min |
| Nov 10, 9:55 PM CST | Special Weather Statement | SGF | Hickory, St. Clair | 50 min |
| Nov 10, 10:16 PM CST | Special Weather Statement | SGF | Dallas, Polk | 44 min |
| Nov 10, 10:54 PM CST | Special Weather Statement | SGF | Camden, Dallas, Laclede | 36 min |
| Nov 10, 11:33 PM CST | Special Weather Statement | SGF | Ozark | 27 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.