Alert archive / Missouri / Special Weather Statements in 2021

Special Weather Statement, NWS Springfield, MO

July 10, 2021Howell County, Missouri

NWS Springfield, MO issued this special weather statement at Jul 10, 2021, 8:13 PM CDT for Howell County, Missouri. It was in force for 47 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: Jul 10, 2021, 8:13 PM CDT (01:13 UTC)
Expired: Jul 10, 2021, 9:00 PM CDT
In force: 47 min
Issued by: NWS Springfield, MO

County Howell County, MO

The radar

The Springfield radar (KSGF), 127 km from the middle of the area, began a volume at 01:16 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 10, 8:37 PM CDT	TSTM WND DMG	5 W Mountain View, MO	TREE DOWN ON STATE HIGHWAY V SOUTH OF HIGHWAY 60.
Jul 10, 8:45 PM CDT	TSTM WND DMG	Mountain View, MO	TREE LIMBS DOWN WITH NUMEROUS POWER OUTAGES.

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, 1.2 hours before the alert went out and 162 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: 2329 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 756 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 193 m²/s²
0-3 km storm-relative helicity: 261 m²/s²
Significant tornado parameter: 2.0
Supercell composite: 11.8

Open this sounding in Storm Lab

The text

As transmitted.

516 
WWUS83 KSGF 110113
SPSSGF

Special Weather Statement
National Weather Service Springfield MO
813 PM CDT Sat Jul 10 2021
 
MOZ082-097-110200-
Howell MO-Texas MO-
813 PM CDT Sat Jul 10 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN HOWELL AND SOUTHEASTERN
TEXAS COUNTIES UNTIL 900 PM CDT...

At 813 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 10 miles northeast of Mountain Grove to near
Cabool to 7 miles northwest of Willow Springs. Movement was southeast
at 40 mph.

Wind gusts up to 50 mph will be possible with these storms.

Locations impacted include...
Mountain View...                  Willow Springs...
Cabool...                         Summersville...
Peace Valley...                   White Church...
Clear Springs...                  Arroll...
Solo...                           Pine Crest...
Simmons...                        Elk Creek...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 1100 PM CDT for
south central and southwestern Missouri.

LAT...LON 3697 9209 3705 9209 3706 9215 3714 9210
      3725 9209 3723 9165 3679 9166
TIME...MOT...LOC 0113Z 301DEG 35KT 3721 9210 3713 9204 3711 9203 3706
9207

$$

Wise

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 10, 7:14 PM CDT	Special Weather Statement	SGF	Wright	46 min
Jul 10, 7:18 PM CDT	Severe Thunderstorm Warning	SGF	Texas, Wright	57 min
Jul 10, 7:24 PM CDT	Areal Flood Advisory	SGF	Dade	4 hr
Jul 10, 7:33 PM CDT	Flash Flood Warning	SGF	Dallas, Laclede, Webster, Wright	6 hr
Jul 10, 8:16 PM CDT	Severe Thunderstorm Warning	SGF	Howell, Texas	44 min
Jul 10, 8:39 PM CDT	Severe Thunderstorm Warning	SGF	Howell, Oregon, Shannon, Texas	66 min
Jul 10, 8:45 PM CDT	Special Weather Statement	SGF	Morgan	45 min
Jul 10, 9:14 PM CDT	Special Weather Statement	SGF	Douglas	46 min
Jul 10, 10:29 PM CDT	Special Weather Statement	SGF	St. Clair, Vernon	61 min
Jul 10, 11:14 PM CDT	Special Weather Statement	SGF	Hickory	46 min
Jul 10, 11:32 PM CDT	Special Weather Statement	SGF	Barton	43 min
Jul 10, 11:49 PM CDT	Severe Thunderstorm Warning	SGF	Barton, Jasper	41 min
Jul 11, 12:13 PM CDT	River Flood Warning	SGF	Vernon	59 hr

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.