Alert archive / Missouri / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 111, NWS Springfield, MO
NWS Springfield, MO issued this severe thunderstorm warning at Jul 17, 2021, 7:15 PM CDT for Newton County, Missouri. It was in force for 45 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
- Jul 17, 2021, 7:15 PM CDT (00:15 UTC)
- Expired
- Jul 17, 2021, 8:00 PM CDT
- In force
- 45 min
- Issued by
- NWS Springfield, MO
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Newton County, MO
The radar
The Springfield radar (KSGF), 80 km from the middle of the area, began a volume at 00:16 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 |
|---|---|---|---|
| Jul 17, 7:35 PM CDT | TSTM WND DMG | 4 Ssw Granby, MO | VIA SOCIAL MEDIA A REPORT OF A LARGE EVENT TENT THAT WAS BLOWN COMPLETELY DOWN. NOBODY WAS IN THE TENT AND NOBODY GOT HURT. |
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, 0.3 hours before the alert went out and 40 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
- 346 J/kg
- Mixed-layer CIN
- -65 J/kg
- Mixed-layer LCL
- 826 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- -60 m²/s²
- 0-3 km storm-relative helicity
- 44 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
156
WUUS53 KSGF 180015
SVRSGF
MOC145-180100-
/O.NEW.KSGF.SV.W.0111.210718T0015Z-210718T0100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Springfield MO
715 PM CDT Sat Jul 17 2021
The National Weather Service in Springfield has issued a
* Severe Thunderstorm Warning for...
Eastern Newton County in southwestern Missouri...
* Until 800 PM CDT.
* At 715 PM CDT, a severe thunderstorm was located over Granby, or 8
miles northeast of Neosho, moving southwest at 5 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...
Neosho... Granby...
Diamond... Newtonia...
Stark City... Ritchey...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3704 9424 3698 9408 3681 9421 3694 9443
TIME...MOT...LOC 0015Z 030DEG 5KT 3694 9426
HAIL...1.00IN
WIND...60MPH
$$
CramerThe office that day
Everything else NWS Springfield, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 7:23 PM CDT | Severe Thunderstorm Warning | SGF | Newton | 52 min |
| Jul 17, 7:46 PM CDT | Flash Flood Warning | SGF | Barry, Lawrence, Newton | 7 hr |
| Jul 17, 8:22 PM CDT | Flash Flood Warning | SGF | Barry, McDonald | 6 hr |
| Jul 17, 9:08 PM CDT | Flash Flood Warning | SGF | Barry | 7 hr |
| Jul 18, 2:17 AM CDT | Areal Flood Warning | SGF | Barry, Lawrence, McDonald, Newton | 10 hr |
| Jul 18, 9:51 AM CDT | River Flood Warning | SGF | Bates, Vernon | 21 days |
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.