Alert archive / Missouri / Special Weather Statements in 2019

Special Weather Statement, NWS Springfield, MO

August 7, 2019Oregon County, Missouri

NWS Springfield, MO issued this special weather statement at Aug 7, 2019, 1:46 PM CDT for Oregon County, Missouri. It was in force for 44 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 7, 2019, 1:46 PM CDT (18:46 UTC)
Expired: Aug 7, 2019, 2:30 PM CDT
In force: 44 min
Issued by: NWS Springfield, MO

County Oregon County, MO

The radar

The Springfield radar (KSGF), 175 km from the middle of the area, began a volume at 18:46 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 12:00Z, 6.8 hours before the alert went out and 202 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: 632 J/kg
Mixed-layer CIN: -177 J/kg
Mixed-layer LCL: 1611 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 114 m²/s²
0-3 km storm-relative helicity: 137 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

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 7, 12:58 PM CDT, 48 minutes earlier.

Area forecast discussion, Aug 7, 12:58 PM CDT, 48 minutes before

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Hazardous weather outlook, Aug 7, 8:25 AM CDT, 5 hours 21 minutes before

Hazardous Weather Outlook
National Weather Service Springfield MO
825 AM CDT Wed Aug 7 2019

KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-081330-
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-
825 AM CDT Wed Aug 7 2019

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

.DAY ONE...Today and Tonight.

Weather hazards expected...

  Elevated hail risk.
  Elevated thunderstorm wind damage risk.
  Limited flooding risk.
  Limited lightning risk.
  Limited excessive heat risk.

DISCUSSION...

A complex of strong to severe thunderstorms will shift across
portions of southeast Kansas and the Missouri Ozarks this morning
and early afternoon. Wind gusts in excess of 60 mph and large hail
up to quarters will be possible within the stronger thunderstorms.

Heavy rainfall will occur with some storms. A limited flash
flooding risk will occur where storms can develop and move or
train repeatedly over the same areas for a prolonged period.

Heat index values will reach into the 90s today outside of the
influence of thunderstorms and outflow boundaries.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

There will be daily chances for thunderstorms into early next
week. The overall severe storm risk will generally limited, but
periodic heavy rainfall through at least Friday will lead to an
increased flooding risk.

Heat index values reaching the mid and upper 90s will be possible
on a daily basis with some readings reaching up to the 100 to 105
degree range by Monday and Tuesday afternoons.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed later this morning and early
afternoon over southeast Kansas and southwest Missouri.

&&

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

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

Cramer

In the hours before

Special weather statement, Aug 7, 9:58 AM CDT, 3 hours 48 minutes before

Special Weather Statement
National Weather Service Springfield MO
958 AM CDT Wed Aug 7 2019

MOZ066-077>079-088>090-094-071545-
Vernon MO-Cedar MO-Polk MO-Barton MO-Greene MO-Jasper MO-Dade MO-
Lawrence MO-
958 AM CDT Wed Aug 7 2019

...SIGNIFICANT WEATHER ADVISORY FOR BARTON...CEDAR...POLK...NORTHERN
LAWRENCE...NORTHWESTERN GREENE...SOUTHEASTERN VERNON...JASPER AND
DADE COUNTIES UNTIL 1045 AM CDT...

At 957 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Weaubleau to 10 miles north of Lockwood to
near Jasper. Movement was southeast at 40 mph.

Penny size hail and wind gusts up to 50 mph will be possible with
these storms.

Locations impacted include...
Carthage...                       Bolivar...
Stockton Lake...                  Stockton State Park...
Pomme de Terre Lake...            Mount Vernon...
Lamar...                          El Dorado Springs...
Stockton...                       Ash Grove...
Greenfield...                     Sarcoxie...
Humansville...                    Lockwood...
Jasper...                         Golden City...
Miller...                         Walnut Grove...
Polk...                           Alba...

This includes the following highways...
 Interstate 44 between mile markers 23 and 45.
 Interstate 49 between mile markers 39 and 72.

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.

&&

LAT...LON 3776 9406 3787 9407 3785 9381 3783 9381
      3783 9357 3781 9357 3780 9320 3764 9318
      3721 9361 3707 9387 3705 9418 3731 9462
      3735 9462
TIME...MOT...LOC 1457Z 321DEG 34KT 3792 9358 3754 9398 3730 9435

Hatch

Special weather statement, Aug 7, 10:37 AM CDT, 3 hours 9 minutes before

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Special weather statement, Aug 7, 11:16 AM CDT, 2 hours 30 minutes before

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Special weather statement, Aug 7, 11:37 AM CDT, 2 hours 9 minutes before

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Special weather statement, Aug 7, 12:01 PM CDT, 1 hour 45 minutes before

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Special weather statement, Aug 7, 1:46 PM CDT, 0 minutes before

Special Weather Statement
National Weather Service Springfield MO
146 PM CDT Wed Aug 7 2019

MOZ097-098-106-071930-
Oregon MO-Howell MO-Shannon MO-
146 PM CDT Wed Aug 7 2019

...SIGNIFICANT WEATHER ADVISORY FOR SOUTH CENTRAL SHANNON...SOUTHERN
HOWELL AND OREGON COUNTIES UNTIL 230 PM CDT...

At 145 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 6 miles west of Fremont to 8 miles north of
Thayer to Ott. Movement was southeast at 25 mph.

Half inch hail and wind gusts up to 50 mph will be possible with
these storms.

Locations impacted include...
Grand Gulf State Park...          Thayer...
Alton...                          Koshkonong...
Lanton...                         Moody...
Myrtle...                         Wilderness...
Couch...                          Greer...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

A Severe Thunderstorm Watch remains in effect until 800 PM CDT for
south central Missouri.

LAT...LON 3652 9212 3666 9161 3702 9124 3701 9121
      3683 9123 3682 9111 3650 9113 3650 9212
TIME...MOT...LOC 1845Z 310DEG 22KT 3694 9126 3664 9157 3649 9211

Hatch

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 6, 7:33 PM CDT	Special Weather Statement	SGF	Oregon	42 min
Aug 6, 7:52 PM CDT	Severe Thunderstorm Warning	SGF	Oregon	25 min
Aug 7, 9:06 AM CDT	River Flood Warning	SGF	Vernon	4 days
Aug 7, 9:20 AM CDT	Special Weather Statement	SGF	Vernon	40 min
Aug 7, 9:23 AM CDT	Special Weather Statement	SGF	Pulaski	52 min
Aug 7, 9:46 AM CDT	Special Weather Statement	SGF	Benton	44 min
Aug 7, 9:58 AM CDT	Special Weather Statement	SGF	Barton, Cedar, Dade, Jasper, Lawrence, Polk	47 min
Aug 7, 10:07 AM CDT	Flash Flood Warning	SGF	Benton, Morgan	6 hr
Aug 7, 10:12 AM CDT	Severe Thunderstorm Warning	SGF	Camden, Morgan	32 min
Aug 7, 10:37 AM CDT	Special Weather Statement	SGF	Camden, Miller, Pulaski	38 min
Aug 7, 11:03 AM CDT	Severe Thunderstorm Warning	SGF	Camden, Pulaski	27 min
Aug 7, 11:16 AM CDT	Special Weather Statement	SGF	Laclede	44 min
Aug 7, 11:25 AM CDT	Areal Flood Advisory	SGF	Camden, Miller, Pulaski	6 hr
Aug 7, 11:31 AM CDT	Severe Thunderstorm Warning	SGF	Laclede, Pulaski, Texas, Wright	29 min
Aug 7, 11:37 AM CDT	Special Weather Statement	SGF	Dent, Phelps	38 min
Aug 7, 12:01 PM CDT	Special Weather Statement	SGF	Shannon, Texas	59 min
Aug 7, 1:10 PM CDT	Severe Thunderstorm Warning	SGF	Howell, Ozark	29 min
Aug 7, 2:24 PM CDT	Flash Flood Watch	SGF	Barry, Barton, Cedar, Christian, Dade, Dallas and 16 more	36 hr
Aug 7, 4:11 PM CDT	River Flood Warning	SGF	Vernon	5 days
Aug 7, 4:11 PM CDT	River Flood Warning	SGF	Bates, Vernon	21 days
Aug 7, 8:50 AM CDT	Special Weather Statement	SGF	Bourbon	40 min
Aug 7, 1:49 PM CDT	Areal Flood Advisory	SGF	Bourbon, Crawford	6 hr
Aug 7, 3:26 PM CDT	Special Weather Statement	SGF	Bourbon	34 min
Aug 7, 4:11 PM CDT	River Flood Warning	SGF	Bourbon	61 hr
Aug 7, 4:11 PM CDT	River Flood Warning	SGF	Bourbon	70 hr
Aug 7, 6:15 PM CDT	Special Weather Statement	SGF	Crawford	30 min

Nearby

Special Weather Statements in Missouri, 2019 Every special weather statement in 2019

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.