Alert archive / Missouri / Special Weather Statements in 2019

Special Weather Statement, NWS St. Louis, MO

August 29, 2019Cole County, Moniteau County, Missouri

NWS St. Louis, MO issued this special weather statement at Aug 29, 2019, 7:02 PM CDT for Cole County, Moniteau County, Missouri. It was in force for 43 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 29, 2019, 7:02 PM CDT (00:02 UTC)
Expired: Aug 29, 2019, 7:45 PM CDT
In force: 43 min
Issued by: NWS St. Louis, MO

Counties Cole County, MO, Moniteau County, MO

The radar

The Pleasant Hill radar (KEAX), 155 km from the middle of the area, began a volume at 00:04 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, 0.0 hours before the alert went out and 226 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: 2204 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 1393 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 5 m²/s²
0-3 km storm-relative helicity: 62 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 St. Louis, MO wrote its last area forecast discussion before this special weather statement went out at Aug 29, 6:33 PM CDT, 29 minutes earlier.

Area forecast discussion, Aug 29, 6:33 PM CDT, 29 minutes before

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Hazardous weather outlook, Aug 29, 3:51 PM CDT, 3 hours 11 minutes before

Hazardous Weather Outlook
National Weather Service Saint Louis MO
351 PM CDT Thu Aug 29 2019

ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027-
034>036-041-042-047>052-059>065-072>075-084-085-099-302100-
Adams IL-Audrain MO-Bond IL-Boone MO-Brown IL-Calhoun IL-Callaway MO-
Clinton IL-Cole MO-Crawford MO-Fayette IL-Franklin MO-Gasconade MO-
Greene IL-Iron MO-Jefferson MO-Jersey IL-Knox MO-Lewis MO-Lincoln MO-
Macoupin IL-Madison IL-Madison MO-Marion IL-Marion MO-Moniteau MO-
Monroe IL-Monroe MO-Montgomery IL-Montgomery MO-Osage MO-Pike IL-
Pike MO-Ralls MO-Randolph IL-Reynolds MO-Saint Charles MO-
Saint Clair IL-Saint Francois MO-Saint Louis City MO-Saint Louis MO-
Sainte Genevieve MO-Shelby MO-Warren MO-Washington IL-Washington MO-
351 PM CDT Thu Aug 29 2019

This Hazardous Weather Outlook is for portions of eastern and
central Missouri as well as west central and southwest Illinois.

.DAY ONE...Tonight.

Thunderstorms are likely, especially for areas north and west of
Saint Louis. Some severe storms are possible this evening for
northeast and central Missouri and west-central Illinois, where
damaging winds and large hail will be possible.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Thunderstorm chances remain in the forecast from Friday through
Sunday morning.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this evening for areas north and
west of Saint Louis.

TES

In the hours before

Special weather statement, Aug 29, 4:16 PM CDT, 2 hours 46 minutes before

Special Weather Statement
National Weather Service St Louis MO
416 PM CDT Thu Aug 29 2019

MOZ041-042-050-292215-
Audrain MO-Boone MO-Callaway MO-
416 PM CDT Thu Aug 29 2019

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN BOONE...WESTERN
AUDRAIN AND NORTHWESTERN CALLAWAY COUNTIES UNTIL 515 PM CDT...

At 416 PM CDT, Doppler radar was tracking a strong thunderstorm over
Centralia, moving southeast at 25 mph.

Penny size hail and winds in excess of 40 mph will be possible with
this storm.

Locations impacted include...
Mexico, Centralia, Hallsville, Auxvasse, Sturgeon, Murry, Hatton and
Thompson.

This includes Interstate 70 in Missouri near exit 137.

A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
central Missouri.

LAT...LON 3925 9232 3931 9231 3935 9225 3934 9211
      3907 9176 3890 9216 3925 9239
TIME...MOT...LOC 2116Z 322DEG 21KT 3919 9217

Kanofsky

Local storm report, Aug 29, 5:13 PM CDT, 1 hour 49 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
513 PM CDT THU AUG 29 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0417 PM     HAIL             3 SW CENTRALIA          39.19N 92.17W
08/29/2019  E0.88 INCH       BOONE              MO   PUBLIC

            LARGEST HAIL STONES WERE DIME TO NICKLE
            SIZED. TIME ESTIMATED FROM RADAR. TWITTER
            REPORT.

&&

JPG

Local storm report, Aug 29, 5:21 PM CDT, 1 hour 41 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
521 PM CDT THU AUG 29 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0518 PM     HAIL             5 SSW HATTON            38.95N 92.05W
08/29/2019  E0.88 INCH       CALLAWAY           MO   NWS EMPLOYEE

            ALSO 40MPH WIND GUST ESTIMATED.

&&

JPG

Special weather statement, Aug 29, 5:55 PM CDT, 1 hour 7 minutes before

Special Weather Statement
National Weather Service St Louis MO
555 PM CDT Thu Aug 29 2019

MOZ050-292345-
Callaway MO-
555 PM CDT Thu Aug 29 2019

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN CALLAWAY COUNTY UNTIL
645 PM CDT...

At 555 PM CDT, Doppler radar was tracking a strong thunderstorm near
Fulton, moving south at 20 mph.

Nickel size hail and wind gusts up to 50 mph will be possible with
this storm.

Locations impacted include...
Fulton, New Bloomfield, Chamois, Mokane, Carrington, Portland,
Tebbetts, Guthrie, Reform and Steedman.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This storm 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
central Missouri.

LAT...LON 3884 9215 3885 9208 3881 9205 3888 9183
      3871 9171 3871 9173 3868 9176 3868 9181
      3867 9187 3864 9189 3859 9195 3859 9198
      3856 9203
TIME...MOT...LOC 2255Z 338DEG 17KT 3881 9197

Glass

Special weather statement, Aug 29, 7:02 PM CDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 30, 10:56 AM CDT	River Flood Warning	LSX	Boone, Callaway, Cole, Moniteau	21 days
Aug 30, 10:56 AM CDT	River Flood Warning	LSX	Franklin, Warren	21 days
Aug 30, 11:00 AM CDT	River Flood Warning	LSX	Cole, Osage	5 days
Aug 30, 2:47 PM CDT	Severe Thunderstorm Warning	LSX	Crawford, Franklin, Gasconade	43 min
Aug 30, 3:26 PM CDT	Severe Thunderstorm Warning	LSX	Crawford, Franklin, Saint Charles, Warren, Washington	49 min
Aug 30, 4:08 PM CDT	Severe Thunderstorm Warning	LSX	Franklin, Jefferson, Saint Louis	67 min
Aug 30, 4:37 PM CDT	Tornado Warning	LSX	Franklin, Saint Charles, Saint Louis	38 min
Aug 30, 5:02 PM CDT	Flash Flood Warning	LSX	Franklin, Jefferson, Saint Louis	3 hr
Aug 30, 5:14 PM CDT	Severe Thunderstorm Warning	LSX	Saint Charles, Saint Louis	46 min
Aug 30, 5:17 PM CDT	Severe Thunderstorm Warning	LSX	Jefferson, Saint Louis	43 min
Aug 30, 5:28 PM CDT	Severe Thunderstorm Warning	LSX	Saint Louis, City of Saint Louis	32 min
Aug 30, 5:41 PM CDT	Flash Flood Warning	LSX	Jefferson, Saint Louis, City of Saint Louis	6 hr
Aug 30, 5:59 PM CDT	Special Weather Statement	LSX	City of Saint Louis	46 min
Aug 30, 6:34 PM CDT	Severe Thunderstorm Warning	LSX	Jefferson, Washington	41 min
Aug 30, 6:26 PM CDT	Severe Thunderstorm Warning	LSX	Madison, Saint Clair	49 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.