Alert archive / Missouri / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 19, NWS Springfield, MO
NWS Springfield, MO issued this severe thunderstorm warning at Apr 7, 2021, 2:07 PM CDT for Christian County, Greene County, Stone County, Missouri. It was in force for 38 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
- Apr 7, 2021, 2:07 PM CDT (19:07 UTC)
- Expired
- Apr 7, 2021, 2:45 PM CDT
- In force
- 38 min
- Issued by
- NWS Springfield, MO
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Christian County, MO, Greene County, MO, Stone County, MO
The radar
The Springfield radar (KSGF), 7 km from the middle of the area, began a volume at 19:08 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 |
|---|---|---|---|
| Apr 7, 2:11 PM CDT | HAIL 0.7 | Highlandville, MO | VIA SOCIAL MEDIA. |
| Apr 7, 2:40 PM CDT | TSTM WND DMG | Ozark, MO | LARGE TREE DOWN. VIA TWITTER VIDEO. TIME BASED ON RADAR ESTIMATE. |
| Apr 7, 2:40 PM CDT | HAIL 0.7 | Ozark, MO | VIA SOCIAL MEDIA. |
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 |
|---|---|---|---|
| Apr 7, 12:02 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 7.1 hours before the alert went out and 53 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
- 790 J/kg
- Mixed-layer CIN
- -275 J/kg
- Mixed-layer LCL
- 767 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 186 m²/s²
- 0-3 km storm-relative helicity
- 223 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted.
673
WUUS53 KSGF 071907
SVRSGF
MOC043-077-209-071945-
/O.NEW.KSGF.SV.W.0019.210407T1907Z-210407T1945Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Springfield MO
207 PM CDT Wed Apr 7 2021
The National Weather Service in Springfield has issued a
* Severe Thunderstorm Warning for...
Christian County in southwestern Missouri...
Northern Stone County in southwestern Missouri...
Greene County in southwestern Missouri...
* Until 245 PM CDT.
* At 206 PM CDT, severe thunderstorms were located along a line
extending from near Walnut Grove to near Republic to near Crane,
moving northeast 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...
Springfield... Nixa...
Ozark... Republic...
Battlefield... Willard...
Rogersville... Strafford...
Clever... Sparta...
Crane... Fair Grove...
Billings... Highlandville...
Fremont Hills... Brookline...
Hurley... Glidewell...
Turners... Bois D'arc...
This includes Interstate 44 between mile markers 63 and 91.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3710 9354 3742 9353 3743 9351 3741 9308
3727 9308 3727 9306 3689 9306 3686 9361
TIME...MOT...LOC 1906Z 215DEG 42KT 3745 9349 3717 9349 3695 9356
HAIL...1.00IN
WIND...60MPH
$$
Rothstein2 follow-up statements
984
WWUS53 KSGF 071923
SVSSGF
Severe Weather Statement
National Weather Service Springfield MO
223 PM CDT Wed Apr 7 2021
MOC209-071933-
/O.CAN.KSGF.SV.W.0019.000000T0000Z-210407T1945Z/
Stone MO-
223 PM CDT Wed Apr 7 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN STONE COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 700 PM CDT for
southwestern Missouri.
LAT...LON 3699 9334 3699 9351 3700 9354 3710 9349
3743 9348 3741 9308 3727 9308 3727 9306
3689 9306 3688 9334
TIME...MOT...LOC 1923Z 215DEG 42KT 3760 9336 3732 9336 3710 9343
$$
MOC043-077-071945-
/O.CON.KSGF.SV.W.0019.000000T0000Z-210407T1945Z/
Christian MO-Greene MO-
223 PM CDT Wed Apr 7 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM CDT
FOR NORTHWESTERN CHRISTIAN AND GREENE COUNTIES...
At 223 PM CDT, severe thunderstorms were located along a line
extending from near Bolivar to near Willard to near Republic, moving
northeast 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...
Springfield... Nixa...
Ozark... Republic...
Battlefield... Willard...
Rogersville... Strafford...
Clever... Sparta...
Fair Grove... Highlandville...
Fremont Hills... Brookline...
Glidewell... Turners...
Cave Springs... Linden...
Sacville... Ebenezer...
This includes Interstate 44 between mile markers 66 and 91.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3699 9334 3699 9351 3700 9354 3710 9349
3743 9348 3741 9308 3727 9308 3727 9306
3689 9306 3688 9334
TIME...MOT...LOC 1923Z 215DEG 42KT 3760 9336 3732 9336 3710 9343
HAIL...1.00IN
WIND...60MPH
$$
Rothstein818
WWUS53 KSGF 071945
SVSSGF
Severe Weather Statement
National Weather Service Springfield MO
245 PM CDT Wed Apr 7 2021
MOC043-077-071954-
/O.EXP.KSGF.SV.W.0019.000000T0000Z-210407T1945Z/
Christian MO-Greene MO-
245 PM CDT Wed Apr 7 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN CHRISTIAN AND
GREENE COUNTIES WILL EXPIRE AT 245 PM CDT...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However small hail
and gusty winds are still possible with these thunderstorms.
A Severe Thunderstorm Watch remains in effect until 700 PM CDT for
southwestern Missouri.
LAT...LON 3699 9334 3699 9351 3700 9354 3710 9349
3743 9348 3741 9308 3727 9308 3727 9306
3689 9306 3688 9334
TIME...MOT...LOC 1944Z 215DEG 42KT 3778 9321 3750 9321 3728 9328
$$
RothsteinThe office that day
Everything else NWS Springfield, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 7, 7:16 AM CDT | Special Weather Statement | SGF | Christian | 29 min |
| Apr 7, 12:39 PM CDT | Special Weather Statement | SGF | Dade | 36 min |
| Apr 7, 1:04 PM CDT | Special Weather Statement | SGF | St. Clair | 26 min |
| Apr 7, 2:38 PM CDT | Severe Thunderstorm Warning | SGF | Benton, Camden, Morgan | 52 min |
| Apr 7, 2:46 PM CDT | Tornado Warning | SGF | Benton, Morgan | 29 min |
| Apr 7, 3:27 PM CDT | Severe Thunderstorm Warning | SGF | Webster, Wright | 48 min |
| Apr 7, 3:56 PM CDT | Severe Thunderstorm Warning | SGF | Miller | 34 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.