Alert archive / Missouri / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 67, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at May 6, 2003, 4:51 PM CDT for Callaway County, Missouri. It was in force for 39 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, 4:51 PM CDT (21:51 UTC)
- Expired
- May 6, 2003, 5:30 PM CDT
- In force
- 39 min
- Issued by
- NWS St. Louis, MO
- Area
- Counties, with a storm outline in the text
County Callaway County, MO
The radar
The St Louis radar (KLSX), 112 km from the middle of the area, began a volume at 21:50 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 |
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 9.9 hours before the alert went out and 258 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
- 34 J/kg
- Mixed-layer CIN
- -216 J/kg
- Mixed-layer LCL
- 1877 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 86 m²/s²
- 0-3 km storm-relative helicity
- 115 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
709 WUUS53 KLSX 062151 SVRLSX MOC027-062230- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 450 PM CDT TUE MAY 6 2003 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN CALLAWAY COUNTY IN CENTRAL MISSOURI * UNTIL 530 PM CDT * AT 450 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 6 MILES SOUTHWEST OF HOLTS SUMMIT...MOVING EAST AT 40 MPH. * LOCATIONS IMPACTED INCLUDE... NEW BLOOMFIELD MOKANE HOLTS SUMMIT WAINWRIGHT PORTLAND 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 3870 9222 3856 9213 3872 9167 3892 9165 $$ MB/ST
The 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, 4:54 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, 6:18 PM CDT | Severe Thunderstorm Warning | LSX | Saint Charles, Warren | 42 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.