Alert archive / Missouri / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 141, NWS Springfield, MO
NWS Springfield, MO issued this severe thunderstorm warning at Oct 13, 2021, 8:16 AM CDT for Barton County, Vernon County, Missouri. It was in force for 44 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
- Oct 13, 2021, 8:16 AM CDT (13:16 UTC)
- Expired
- Oct 13, 2021, 9:00 AM CDT
- In force
- 44 min
- Issued by
- NWS Springfield, MO
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Barton County, MO, Vernon County, MO
The radar
The Springfield radar (KSGF), 95 km from the middle of the area, began a volume at 13:19 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.
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 1.3 hours before the alert went out and 89 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
- 722 J/kg
- Mixed-layer CIN
- -164 J/kg
- Mixed-layer LCL
- 646 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 440 m²/s²
- 0-3 km storm-relative helicity
- 590 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.7
The text
As transmitted.
430 WUUS53 KSGF 131316 SVRSGF MOC011-217-131400- /O.NEW.KSGF.SV.W.0141.211013T1316Z-211013T1400Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Springfield MO 816 AM CDT Wed Oct 13 2021 The National Weather Service in Springfield has issued a * Severe Thunderstorm Warning for... Barton County in southwestern Missouri... Southeastern Vernon County in west central Missouri... * Until 900 AM CDT. * At 816 AM CDT, severe thunderstorms were located along a line extending from Mulberry to near Pittsburg, moving northeast at 50 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Prairie State Park... Lamar... Liberal... Sheldon... Nashville... Mindenmines... Montevallo... Lamar Heights... Irwin... Milford... Oakton... Iantha... Verdella... Kenoma... Boston... This includes Interstate 49 between mile markers 60 and 79. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3758 9461 3777 9407 3742 9408 3736 9462 TIME...MOT...LOC 1316Z 239DEG 45KT 3758 9462 3734 9465 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Cramer
2 follow-up statements
554 WWUS53 KSGF 131339 SVSSGF Severe Weather Statement National Weather Service Springfield MO 839 AM CDT Wed Oct 13 2021 MOC011-217-131400- /O.CON.KSGF.SV.W.0141.000000T0000Z-211013T1400Z/ Barton MO-Vernon MO- 839 AM CDT Wed Oct 13 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 AM CDT FOR EASTERN BARTON AND SOUTHEASTERN VERNON COUNTIES... At 838 AM CDT, severe thunderstorms were located along a line extending from near Sheldon to 9 miles west of Jasper, moving east at 45 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Lamar... Sheldon... Montevallo... Lamar Heights... Irwin... Milford... Kenoma... Oakton... Iantha... Boston... This includes Interstate 49 between mile markers 60 and 79. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3777 9407 3742 9408 3738 9448 3766 9437 TIME...MOT...LOC 1338Z 259DEG 32KT 3766 9435 3738 9446 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Cramer
416
WWUS53 KSGF 131355
SVSSGF
Severe Weather Statement
National Weather Service Springfield MO
855 AM CDT Wed Oct 13 2021
MOC011-217-131405-
/O.EXP.KSGF.SV.W.0141.000000T0000Z-211013T1400Z/
Barton MO-Vernon MO-
855 AM CDT Wed Oct 13 2021
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN BARTON AND
SOUTHEASTERN VERNON COUNTIES WILL EXPIRE AT 900 AM 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 heavy rain
is still possible with these thunderstorms.
LAT...LON 3777 9407 3742 9408 3738 9448 3766 9437
TIME...MOT...LOC 1355Z 239DEG 45KT 3776 9414 3748 9425
$$
CramerThe office that day
Everything else NWS Springfield, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 13, 7:44 AM CDT | Severe Thunderstorm Warning | SGF | Barton, Vernon | 46 min |
| Oct 13, 12:54 PM CDT | Flash Flood Watch | SGF | Barry, Christian, Greene, Lawrence, McDonald, Newton and 2 more | 24 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.