Alert archive / Missouri / Special Weather Statements in 2021
Special Weather Statement, NWS Springfield, MO
NWS Springfield, MO issued this special weather statement at Aug 8, 2021, 1:21 PM CDT for 4 counties in Missouri. It was in force for 24 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
- Aug 8, 2021, 1:21 PM CDT (18:21 UTC)
- Expired
- Aug 8, 2021, 1:45 PM CDT
- In force
- 24 min
- Issued by
- NWS Springfield, MO
- Hail
- 0.00 in
- Wind
- 50
Counties Phelps County, MO, Pulaski County, MO, Texas County, MO, Wright County, MO
The radar
The Springfield radar (KSGF), 127 km from the middle of the area, began a volume at 18:23 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 |
|---|---|---|---|
| Aug 8, 1:41 PM CDT | TSTM WND GST 46 | 2 Ene Fort Leonard Wood, MO | AWOS STATION KTBN FORT LEONARD WOOD AWOS. |
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 12:00Z, 6.4 hours before the alert went out and 174 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
- 1051 J/kg
- Mixed-layer CIN
- -49 J/kg
- Mixed-layer LCL
- 838 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 115 m²/s²
- 0-3 km storm-relative helicity
- 129 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 3.3
The text
As transmitted.
290
WWUS83 KSGF 081821
SPSSGF
Special Weather Statement
National Weather Service Springfield MO
121 PM CDT Sun Aug 8 2021
MOZ058-070-071-081>083-092-096-081845-
Dent MO-Maries MO-Douglas MO-Wright MO-Phelps MO-Laclede MO-
Pulaski MO-Texas MO-
121 PM CDT Sun Aug 8 2021
...Strong thunderstorms will impact portions of southeastern Maries,
Wright, north central Douglas, western Dent, eastern Laclede,
Pulaski, Texas and Phelps Counties through 145 PM CDT...
At 120 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from Fort Leonard Wood to 19 miles south of
Waynesville to 18 miles northwest of Mountain Grove to near Hartville
to near Norwood. Movement was northeast at 40 mph.
HAZARD...Wind gusts up to 50 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Rolla... Fort Leonard Wood...
Waynesville... Mountain Grove...
St. Robert... St. James...
Licking... Cabool...
Houston... Mansfield...
Dawson... Norwood...
Doolittle... Hartville...
Newburg... Raymondville...
Edgar Springs... Huggins...
Plato... Competition...
This includes Interstate 44 between mile markers 143 and 169, and
between mile markers 171 and 200.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
A Severe Thunderstorm Watch remains in effect until 800 PM CDT for
south central, central, southwestern and east central Missouri.
&&
LAT...LON 3762 9162 3745 9174 3722 9181 3697 9251
3700 9271 3732 9263 3753 9252 3784 9241
3816 9155 3815 9153 3780 9153
TIME...MOT...LOC 1820Z 240DEG 36KT 3777 9219 3755 9232 3739 9241 3725
9244 3708 9245
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH
$$
AngleThe office that day
Everything else NWS Springfield, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 8, 8:36 AM CDT | Special Weather Statement | SGF | Lawrence | 24 min |
| Aug 8, 12:17 PM CDT | Special Weather Statement | SGF | Laclede | 28 min |
| Aug 8, 12:24 PM CDT | Special Weather Statement | SGF | Webster | 36 min |
| Aug 8, 12:49 PM CDT | Special Weather Statement | SGF | Laclede | 26 min |
| Aug 8, 1:41 PM CDT | Severe Thunderstorm Warning | SGF | Maries, Phelps, Pulaski | 49 min |
| Aug 8, 2:46 PM CDT | Heat Advisory | SGF | Barry, Barton, Benton, Camden, Cedar, Christian and 28 more | 4 days |
| Aug 8, 4:50 PM CDT | Special Weather Statement | SGF | Dallas | 25 min |
| Aug 8, 6:23 PM CDT | Special Weather Statement | SGF | Wright | 37 min |
| Aug 8, 6:46 PM CDT | Special Weather Statement | SGF | Wright | 29 min |
Nearby
Special Weather Statements in Missouri, 2021Every special weather statement 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.