Alert archive / Missouri / Special Weather Statements in 2022

Special Weather Statement, NWS Springfield, MO

August 4, 2022Hickory County, Polk County, Missouri

NWS Springfield, MO issued this special weather statement at Aug 4, 2022, 4:20 AM CDT for Hickory County, Polk County, Missouri. It was in force for 25 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: Aug 4, 2022, 4:20 AM CDT (09:20 UTC)
Expired: Aug 4, 2022, 4:45 AM CDT
In force: 25 min
Issued by: NWS Springfield, MO
Hail: 0.00 in
Wind: 50

Counties Hickory County, MO, Polk County, MO

The radar

The Springfield radar (KSGF), 65 km from the middle of the area, began a volume at 09:22 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, 9.3 hours before the alert went out and 111 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: 1347 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 2276 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 8 m²/s²
0-3 km storm-relative helicity: 47 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Springfield, MO wrote its last area forecast discussion before this special weather statement went out at Aug 4, 3:13 AM CDT, 1 hour 7 minutes earlier.

Area forecast discussion, Aug 4, 3:13 AM CDT, 1 hour 7 minutes before

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Hazardous weather outlook, Aug 3, 8:12 PM CDT, 8 hours 8 minutes before

Hazardous Weather Outlook
National Weather Service Springfield MO
812 PM CDT Wed Aug 3 2022

KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-050115-
Bourbon-Crawford-Cherokee-Benton-Morgan-Miller-Maries-Vernon-
St. Clair-Hickory-Camden-Pulaski-Phelps-Barton-Cedar-Polk-Dallas-
Laclede-Texas-Dent-Jasper-Dade-Greene-Webster-Wright-Newton-
Lawrence-Christian-Douglas-Howell-Shannon-McDonald-Barry-Stone-
Taney-Ozark-Oregon-
812 PM CDT Wed Aug 3 2022

This Hazardous Weather Outlook is for portions of the Missouri
Ozarks and extreme southeast Kansas.

.DAY ONE...Tonight.

Weather hazards expected...

  Limited hail risk.
  Limited thunderstorm wind damage risk.
  Significant lightning risk.
  Elevated excessive rainfall risk

DISCUSSION...

A Severe Thunderstorm Watch has been issued for areas east of the
Highway 65 corridor until 9 PM this evening. Strong gusty winds
in excess of 60 mph are the primary hazard.

Showers and thunderstorms will become more widespread overnight
into tomorrow morning. A Flood Watch has been issued for areas
east of the Highway 65 corridor from 10 PM tonight until 9 AM
Thursday morning. Localized pockets of 2 to 5 inches of rainfall
may result in Flash Flooding.

.DAYS TWO THROUGH SEVEN...Thursday through Monday.

There is a small chance for thunderstorms on a daily basis from
Friday into the weekend, especially across south central
Missouri. Most locations will likely remain dry.

Daily heat index values of at least 100 degrees are expected
through the weekend.

.SPOTTER INFORMATION STATEMENT...

  Spotter activation may be needed later today or tonight for
  areas of the eastern Ozarks.

&&

More detailed information can be accessed at:
http://www.weather.gov/sgf/dsspacket

This product in graphical format...along with other weather...
hydrological and climate information...at
http://www.weather.gov/sgf

Hatch

In the hours before

Special weather statement, Aug 4, 12:13 AM CDT, 4 hours 7 minutes before

Special Weather Statement
National Weather Service Springfield MO
1213 AM CDT Thu Aug 4 2022

MOZ056-069-040600-
Camden MO-Morgan MO-
1213 AM CDT Thu Aug 4 2022

...A strong thunderstorm will impact portions of central Camden and
south central Morgan Counties through 100 AM CDT...

At 1213 AM CDT, Doppler radar was tracking a strong thunderstorm 7
miles west of Laurie, or 16 miles south of Versailles, moving
southeast at 30 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...
Lake of The Ozarks...             Lake of The Ozarks State Park...
Ha Ha Tonka State Park...         Osage Beach...
Camdenton...                      Village of Four Seasons...
Laurie...                         Sunrise Beach...
Linn Creek...                     Green Bay Terrace...
Freedom...                        Hurricane Deck...
Old Linn Creek...                 Barnumton...
Decaturville...                   Purvis...
Montreal...                       Roach...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3809 9257 3789 9258 3790 9282 3814 9307
      3819 9305 3828 9284
TIME...MOT...LOC 0513Z 315DEG 24KT 3821 9296

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

Hatch

Special weather statement, Aug 4, 4:20 AM CDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 3, 8:19 PM CDT	Severe Thunderstorm Warning	SGF	Laclede, Webster, Wright	56 min
Aug 3, 11:40 PM CDT	Areal Flood Advisory	SGF	Morgan	5 hr
Aug 4, 12:13 AM CDT	Special Weather Statement	SGF	Camden	47 min
Aug 4, 12:56 AM CDT	Areal Flood Advisory	SGF	Benton, Camden, Morgan	4 hr
Aug 4, 2:00 AM CDT	Areal Flood Advisory	SGF	Benton, Camden, St. Clair	3 hr
Aug 4, 3:09 AM CDT	Flash Flood Warning	SGF	Benton, Camden, Hickory, Morgan	6 hr
Aug 4, 3:32 AM CDT	Areal Flood Advisory	SGF	Benton, Camden, Dallas, Hickory, Laclede, Polk and 1 more	6 hr
Aug 4, 5:26 AM CDT	Special Weather Statement	SGF	Christian, Webster	34 min
Aug 4, 6:24 AM CDT	Areal Flood Advisory	SGF	Dent, Douglas, Howell, Oregon, Phelps, Pulaski and 2 more	6 hr
Aug 4, 9:13 AM CDT	Areal Flood Advisory	SGF	Benton, Camden, Hickory, Morgan, St. Clair	3 hr
Aug 4, 1:59 PM CDT	Heat Advisory	SGF	Barton, Cedar, Dade, Jasper, McDonald, Newton and 2 more	30 hr

Nearby

Special Weather Statements in Missouri, 2022 Every special weather statement in 2022

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.