Alert archive / Missouri / Special Weather Statements in 2021

Special Weather Statement, NWS Springfield, MO

October 24, 2021Oregon County, Missouri

NWS Springfield, MO issued this special weather statement at Oct 24, 2021, 10:10 PM CDT for Oregon County, Missouri. It was in force for 65 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 24, 2021, 10:10 PM CDT (03:10 UTC)
Expired: Oct 24, 2021, 11:15 PM CDT
In force: 65 min
Issued by: NWS Springfield, MO
Hail: 0.88 in
Wind: 50

County Oregon County, MO

The radar

The Springfield radar (KSGF), 177 km from the middle of the area, began a volume at 03:14 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 00:00Z, 3.2 hours before the alert went out and 200 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1534 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 846 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 296 m²/s²
0-3 km storm-relative helicity: 317 m²/s²
Significant tornado parameter: 2.8
Supercell composite: 12.3

Open this sounding in Storm Lab

The text

As transmitted.

674 
WWUS83 KSGF 250310
SPSSGF

Special Weather Statement
National Weather Service Springfield MO
1010 PM CDT Sun Oct 24 2021
 
MOZ097-106-250415-
Oregon MO-Howell MO-
1010 PM CDT Sun Oct 24 2021

...A strong thunderstorm will impact portions of southeastern Howell
and southern Oregon Counties through 1115 PM CDT...

At 1010 PM CDT, Doppler radar was tracking a strong thunderstorm near
Sturkie, or 10 miles north of Salem in Fulton County, moving east at
40 mph.

HAZARD...Wind gusts up to 50 mph and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects. Minor damage to outdoor objects is 
         possible.

Locations impacted include...
Grand Gulf State Park...          Thayer...
Koshkonong...                     Lanton...
Myrtle...                         

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

A Tornado Watch remains in effect until 1100 PM CDT for south central
Missouri.

&&

LAT...LON 3659 9190 3660 9113 3650 9113 3650 9193
TIME...MOT...LOC 0310Z 272DEG 36KT 3652 9187 

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...50 MPH

$$

Rothstein

The office that day

Everything else NWS Springfield, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Oct 24, 7:06 PM CDT	Tornado Warning	SGF	Dent, Shannon	9 min
Oct 24, 7:10 PM CDT	Severe Thunderstorm Warning	SGF	Maries, Phelps, Pulaski	50 min
Oct 24, 7:11 PM CDT	Severe Thunderstorm Warning	SGF	Barry	49 min
Oct 24, 7:13 PM CDT	Severe Thunderstorm Warning	SGF	Greene, Laclede, Webster, Wright	47 min
Oct 24, 7:23 PM CDT	Severe Thunderstorm Warning	SGF	Shannon	37 min
Oct 24, 7:37 PM CDT	Severe Thunderstorm Warning	SGF	Barry, Stone	38 min
Oct 24, 7:42 PM CDT	Severe Thunderstorm Warning	SGF	Christian, Douglas, Webster	48 min
Oct 24, 7:52 PM CDT	Severe Thunderstorm Warning	SGF	Texas, Wright	38 min
Oct 24, 8:08 PM CDT	Tornado Warning	SGF	Douglas, Wright	23 min
Oct 24, 8:23 PM CDT	Severe Thunderstorm Warning	SGF	Taney	52 min
Oct 24, 8:44 PM CDT	Severe Thunderstorm Warning	SGF	Douglas, Ozark	46 min
Oct 24, 8:50 PM CDT	Severe Thunderstorm Warning	SGF	Ozark, Taney	55 min
Oct 24, 9:04 PM CDT	Severe Thunderstorm Warning	SGF	Shannon, Texas	41 min
Oct 24, 9:18 PM CDT	Severe Thunderstorm Warning	SGF	Howell, Oregon, Ozark, Shannon	57 min
Oct 24, 9:37 PM CDT	Severe Thunderstorm Warning	SGF	Shannon	53 min

Nearby

Special Weather Statements in Missouri, 2021 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.