Alert archive / Missouri / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 155, NWS St. Louis, MO

June 10, 2003Gasconade County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Jun 10, 2003, 4:13 PM CDT for Gasconade County, Missouri. It was in force for 47 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, 4:13 PM CDT (21:13 UTC)
Expired: Jun 10, 2003, 5:00 PM CDT
In force: 47 min
Issued by: NWS St. Louis, MO
Area: Counties, with a storm outline in the text

County Gasconade County, MO

The radar

The St Louis radar (KLSX), 82 km from the middle of the area, began a volume at 21:14 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, 9.2 hours before the alert went out and 259 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.

284 
WUUS53 KLSX 102113
SVRLSX
MOC073-102200-

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

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN GASCONADE COUNTY IN EAST CENTRAL MISSOURI

* UNTIL 500 PM CDT

* AT 413 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 8 MILES NORTHWEST OF BLAND...MOVING EAST AT 15
  MPH. THE PRIMARY THREAT FROM THIS STORM WILL BE DAMAGING HAIL.

* LOCATIONS IMPACTED INCLUDE...
  BLAND
  MOUNT STERLING
  OWENSVILLE
  ROSEBUD
  DRAKE

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MPH...
DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR
PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME
OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO
AREAS WHERE WATER COVERS THE ROAD.

LAT...LON 3850 9164 3818 9164 3823 9140 3854 9138

$$

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, 4:17 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, 4:58 PM CDT	Severe Thunderstorm Warning	LSX	Washington	62 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.