Alert archive / Missouri / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 159, NWS St. Louis, MO

June 10, 2003Washington County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Jun 10, 2003, 4:58 PM CDT for Washington County, Missouri. It was in force for 62 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: Jun 10, 2003, 4:58 PM CDT (21:58 UTC)
Expired: Jun 10, 2003, 6:00 PM CDT
In force: 62 min
Issued by: NWS St. Louis, MO
Area: Counties, with a storm outline in the text

County Washington County, MO

The radar

The St Louis radar (KLSX), 78 km from the middle of the area, began a volume at 21:59 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 10, 3:40 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 10.0 hours before the alert went out and 283 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: 521 J/kg
Mixed-layer CIN: -277 J/kg
Mixed-layer LCL: 1230 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 424 m²/s²
0-3 km storm-relative helicity: 496 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 13.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

220 
WUUS53 KLSX 102158
SVRLSX
MOC221-102300-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
458 PM CDT TUE JUN 10 2003

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WASHINGTON COUNTY IN EAST CENTRAL MISSOURI

* UNTIL 600 PM CDT

* AT 458 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 12 MILES SOUTHWEST OF ANTHONIES MILL...MOVING
  EAST AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  POTOSI
  OLD MINES
  MINERAL POINT
  IRONDALE

THIS STORM HAS A HISTORY OF PRODUCING DAMAGING WINDS...AND HAS DOWNED
NUMEROUS TREES AND POWER LINES. TAKE SHELTER IMMEDIATELY IN THE
INTERIOR PORTION OF A STURDY BUILDING. STAY AWAY FROM OUTSIDE WALLS
AND WINDOWS

LAT...LON 3821 9111 3774 9111 3774 9066 3821 9064

$$

CVKING

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 10, 5:12 AM CDT	Severe Thunderstorm Warning	LSX	Boone, Callaway, Cole, Moniteau, Osage	48 min
Jun 10, 3:32 PM CDT	Severe Thunderstorm Warning	LSX	Cole, Osage	43 min
Jun 10, 3:52 PM CDT	Severe Thunderstorm Warning	LSX	Callaway	38 min
Jun 10, 4:13 PM CDT	Severe Thunderstorm Warning	LSX	Gasconade	47 min
Jun 10, 4:17 PM CDT	Severe Thunderstorm Warning	LSX	Montgomery, Osage	43 min
Jun 10, 4:31 PM CDT	Severe Thunderstorm Warning	LSX	Crawford	44 min
Jun 10, 4:37 PM CDT	Severe Thunderstorm Warning	LSX	Warren	38 min
Jun 10, 4:37 PM CDT	Tornado Warning	LSX	Crawford	38 min
Jun 10, 5:01 PM CDT	Severe Thunderstorm Warning	LSX	Saint Charles	44 min
Jun 10, 5:12 PM CDT	Severe Thunderstorm Warning	LSX	Jefferson, Saint Francois	48 min
Jun 10, 5:27 PM CDT	Severe Thunderstorm Warning	LSX	Saint Louis, City of Saint Louis	48 min
Jun 10, 5:48 PM CDT	Severe Thunderstorm Warning	LSX	Sainte Genevieve	42 min
Jun 10, 6:27 PM CDT	Flash Flood Warning	LSX	Franklin, Saint Charles, Saint Louis, Warren, City of Saint Louis	4 hr

Nearby

Severe Thunderstorm Warnings in Missouri, 2003 Every severe thunderstorm warning in 2003

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.