Alert archive / Missouri / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 68, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at May 6, 2003, 6:18 PM CDT for Saint Charles County, Warren County, Missouri. It was in force for 42 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
- May 6, 2003, 6:18 PM CDT (23:18 UTC)
- Expired
- May 6, 2003, 7:00 PM CDT
- In force
- 42 min
- Issued by
- NWS St. Louis, MO
- Area
- Counties, with a storm outline in the text
Counties Saint Charles County, MO, Warren County, MO
The radar
The St Louis radar (KLSX), 24 km from the middle of the area, began a volume at 23:17 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 |
|---|---|---|---|
| May 6, 2:15 PM CDT | Tornado Watch | SPC | 5 hr |
| May 6, 5:40 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 11.3 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1097 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- -19 m²/s²
- 0-3 km storm-relative helicity
- 42 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
336
WUUS53 KLSX 062318
SVRLSX
MOC183-219-070000-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
618 PM CDT TUE MAY 6 2003
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHERN ST. CHARLES COUNTY IN EAST CENTRAL MISSOURI
SOUTHERN WARREN COUNTY IN EAST CENTRAL MISSOURI
* UNTIL 700 PM CDT
* AT 618 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM OVER TRELOAR...MOVING EAST AT 40 MPH.
* LOCATIONS IMPACTED INCLUDE...
MARTHASVILLE
DUTZOW
NEW MELLE
DEFIANCE
DARDENNE PRAIRIE
WELDON SPRING
COTTLEVILLE
HARVESTER
ST. PETERS
THIS SEVERE THUNDERSTORM HAS A HISTORY OF PRODUCING LARGE DESTRUCTIVE
HAIL. CONSIDERABLE DAMAGE IS POSSIBLE. STAY INSIDE...AND AVOID
OUTSIDE WALLS AND WINDOWS
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER...
SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING.
LAT...LON 3872 9130 3862 9119 3858 9089 3871 9056
3879 9049
$$
MB/STThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 6, 3:32 PM CDT | Tornado Warning | LSX | Moniteau | 43 min |
| May 6, 4:14 PM CDT | Tornado Warning | LSX | Cole, Moniteau | 46 min |
| May 6, 4:51 PM CDT | Severe Thunderstorm Warning | LSX | Callaway | 39 min |
| May 6, 4:54 PM CDT | Tornado Warning | LSX | Cole, Osage | 66 min |
| May 6, 5:28 PM CDT | Tornado Warning | LSX | Gasconade | 62 min |
| May 6, 5:51 PM CDT | Tornado Warning | LSX | Franklin | 54 min |
| May 6, 6:07 PM CDT | Tornado Warning | LSX | Crawford | 53 min |
| May 6, 6:37 PM CDT | Tornado Warning | LSX | Jefferson | 53 min |
| May 6, 6:42 PM CDT | Severe Thunderstorm Warning | LSX | Saint Louis, City of Saint Louis | 63 min |
| May 6, 6:45 PM CDT | Tornado Warning | LSX | Franklin | 30 min |
| May 6, 6:46 PM CDT | Tornado Warning | LSX | Washington | 59 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 2003Every 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.