Alert archive / Missouri / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 132, NWS Springfield, MO
NWS Springfield, MO issued this severe thunderstorm warning at Sep 21, 2021, 12:31 AM CDT for Webster County, Missouri. It was in force for 33 min. 2 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
- Sep 21, 2021, 12:31 AM CDT (05:31 UTC)
- Expired
- Sep 21, 2021, 1:04 AM CDT
- In force
- 33 min
- Issued by
- NWS Springfield, MO
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Webster County, MO
The radar
The Springfield radar (KSGF), 51 km from the middle of the area, began a volume at 05:33 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 |
|---|---|---|---|
| Sep 21, 12:50 AM CDT | TSTM WND DMG | 1 Ne Seymour, MO | LARGE TREE LIMB BLOWN ONTO A VEHICLE. TIME ESTIMATED BY RADAR. DELAYED REPORT. |
| Sep 21, 1:00 AM CDT | TSTM WND GST 47 | 1 Ene Seymour, MO | MESONET STATION FW9032 SEYMOUR. |
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, 5.5 hours before the alert went out and 91 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
- 842 J/kg
- Mixed-layer CIN
- -128 J/kg
- Mixed-layer LCL
- 1973 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 70 m²/s²
- 0-3 km storm-relative helicity
- 205 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted.
544
WUUS53 KSGF 210531
SVRSGF
MOC225-210615-
/O.NEW.KSGF.SV.W.0132.210921T0531Z-210921T0615Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Springfield MO
1231 AM CDT Tue Sep 21 2021
The National Weather Service in Springfield has issued a
* Severe Thunderstorm Warning for...
Southern Webster County in southwestern Missouri...
* Until 115 AM CDT.
* At 1231 AM CDT, severe thunderstorms were located along a line
extending from near Fordland to 7 miles east of Sparta, moving east
at 30 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Seymour... Fordland...
Diggins...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3708 9290 3709 9300 3724 9303 3732 9269
3727 9270 3726 9268 3707 9268 3707 9288
TIME...MOT...LOC 0531Z 267DEG 24KT 3719 9295 3704 9296
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Wise2 follow-up statements
949
WWUS53 KSGF 210550
SVSSGF
Severe Weather Statement
National Weather Service Springfield MO
1250 AM CDT Tue Sep 21 2021
MOC225-210615-
/O.CON.KSGF.SV.W.0132.000000T0000Z-210921T0615Z/
Webster MO-
1250 AM CDT Tue Sep 21 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 AM CDT
FOR SOUTHEASTERN WEBSTER COUNTY...
At 1249 AM CDT, severe thunderstorms were located along a line
extending from near Seymour to 8 miles northwest of Ava, moving east
at 35 mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Seymour...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3707 9288 3715 9283 3721 9282 3722 9270
3722 9268 3707 9268
TIME...MOT...LOC 0549Z 264DEG 29KT 3721 9275 3706 9276
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Wise605
WWUS53 KSGF 210604
SVSSGF
Severe Weather Statement
National Weather Service Springfield MO
104 AM CDT Tue Sep 21 2021
MOC225-210614-
/O.CAN.KSGF.SV.W.0132.000000T0000Z-210921T0615Z/
Webster MO-
104 AM CDT Tue Sep 21 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN WEBSTER COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the area.
Therefore, the warning has been cancelled.
LAT...LON 3707 9288 3715 9283 3721 9282 3722 9270
3722 9268 3707 9268
TIME...MOT...LOC 0601Z 267DEG 24KT 3721 9265 3706 9266
$$
WiseThe office that day
Everything else NWS Springfield, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 20, 10:01 PM CDT | Special Weather Statement | SGF | Jasper, Newton | 59 min |
| Sep 20, 10:55 PM CDT | Special Weather Statement | SGF | Barry, Lawrence, McDonald, Newton | 65 min |
| Sep 20, 11:06 PM CDT | Severe Thunderstorm Warning | SGF | McDonald, Newton | 39 min |
| Sep 20, 11:18 PM CDT | Special Weather Statement | SGF | Greene | 42 min |
| Sep 20, 11:42 PM CDT | Severe Thunderstorm Warning | SGF | McDonald | 48 min |
| Sep 20, 11:44 PM CDT | Special Weather Statement | SGF | Barry, Christian, Stone | 31 min |
| Sep 21, 12:18 AM CDT | Special Weather Statement | SGF | Christian, Webster | 42 min |
| Sep 21, 12:46 AM CDT | Severe Thunderstorm Warning | SGF | Douglas, Wright | 47 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.