Alert archive / Missouri / Tornado Warnings in 1999
Tornado Warning 29, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Jun 1, 1999, 4:12 PM CDT for Cole County, Missouri. It was in force for 48 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jun 1, 1999, 4:12 PM CDT (21:12 UTC)
- Expired
- Jun 1, 1999, 5:00 PM CDT
- In force
- 48 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Cole County, MO
The radar
The St Louis radar (KLSX), 141 km from the middle of the area, began a volume at 21:15 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 1, 4:40 PM CDT | Hail 1 | Brazito, MO |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
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 1, 3:45 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 9.2 hours before the alert went out and 223 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
- 20 J/kg
- Mixed-layer CIN
- -321 J/kg
- Mixed-layer LCL
- 1581 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 261 m²/s²
- 0-3 km storm-relative helicity
- 270 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
380 WFUS1 KSTL 012113 RRA TORSTL MOC051-012200- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 412 PM CDT TUE JUN 1 1999 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * TORNADO WARNING FOR... COLE COUNTY IN CENTRAL MISSOURI * UNTIL 500 PM CDT * AT 410 PM... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A DEVELOPING TORNADO NORTH OF ELDON ... MOVING NORTHEAST AT 30 MPH. * LOCATIONS IN THE PATH... BRAZITO HICKORY HILL DOPPLER RADAR IS SHOWING A STRONG TORNADO SIGNAL. IF YOU ARE IN THE PATH MOVE TO A SHELTER NOW A BASEMENT IS BEST...BUT IF NOT AVAILABLE...MOVE TO THE LOWEST LEVEL AND HIDE IN A SMALL INTERIOR ROOM. GET OUT OF MOBILE HOMES AND CARS IN FAVOR OF A STRONG BUILDING. FG/RP
What forecasters said that day
The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Jun 1, 11:30 AM CDT, 4 hours 42 minutes before
ILZ058>060-064-065-069-070-074-079-095>102-MOZ009-010-018-019-026- 027-034>036-041-042-047>052-059>065-072>075-084-085-099-012300- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 1130 AM CDT TUE JUN 1 1999 THIS OUTLOOK COVERS THE COUNTY WARNING AREA OF THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN ST LOUIS. AREAS INCLUDED ARE PORTIONS OF NORTHEAST...CENTRAL...EAST CENTRAL AND SOUTHEAST MISSOURI AS WELL AS WEST CENTRAL AND SOUTHWEST ILLINOIS. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS SOUTH OF THE LINE FROM AROUND ST LOUIS TO JUST SOUTH OF COLUMBIA MISSOURI FOR THIS AFTERNOON AND TONIGHT. EMERGENCY MANAGERS AND STORM SPOTTER GROUPS SHOULD BE PREPARED FOR POSSIBLE SKYWARN ACTIVATION THIS AFTERNOON AND TONIGHT.
Special weather statement, Jun 1, 1:00 PM CDT, 3 hours 12 minutes before
ILZ058>060-064-065-069-070-074-079-095>102-MOZ009-010-018-019-026- 027-034>036-041-042-047>052-059>065-072>075-084-085-099-012300- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 100 PM CDT TUE JUN 1 1999 THIS OUTLOOK COVERS THE COUNTY WARNING AREA OF THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN ST LOUIS. AREAS INCLUDED ARE PORTIONS OF NORTHEAST...CENTRAL...EAST CENTRAL AND SOUTHEAST MISSOURI AS WELL AS WEST CENTRAL AND SOUTHWEST ILLINOIS. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER THE ENTIRE WARNING AREA FOR THIS AFTERNOON AND TONIGHT. EMERGENCY MANAGERS AND STORM SPOTTER GROUPS SHOULD BE PREPARED FOR POSSIBLE SKYWARN ACTIVATION THIS AFTERNOON AND TONIGHT.@ VA
Special weather statement, Jun 1, 1:00 PM CDT, 3 hours 12 minutes before
ILZ058>060-064-065-069-070-074-079-095>102-MOZ009-010-018-019-026- 027-034>036-041-042-047>052-059>065-072>075-084-085-099-012300- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 100 PM CDT TUE JUN 1 1999 THIS OUTLOOK COVERS THE COUNTY WARNING AREA OF THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN ST LOUIS. AREAS INCLUDED ARE PORTIONS OF NORTHEAST...CENTRAL...EAST CENTRAL AND SOUTHEAST MISSOURI AS WELL AS WEST CENTRAL AND SOUTHWEST ILLINOIS. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER THE ENTIRE WARNING AREA FOR THIS AFTERNOON AND TONIGHT. EMERGENCY MANAGERS AND STORM SPOTTER GROUPS SHOULD BE PREPARED FOR POSSIBLE SKYWARN ACTIVATION THIS AFTERNOON AND TONIGHT.@ VA
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 1, 3:17 PM CDT | Severe Thunderstorm Warning | LSX | Shelby | 48 min |
| Jun 1, 3:27 PM CDT | Severe Thunderstorm Warning | LSX | Lewis | 48 min |
| Jun 1, 3:37 PM CDT | Severe Thunderstorm Warning | LSX | Monroe | 48 min |
| Jun 1, 3:44 PM CDT | Severe Thunderstorm Warning | LSX | Marion | 51 min |
| Jun 1, 4:06 PM CDT | Severe Thunderstorm Warning | LSX | Shelby | 34 min |
| Jun 1, 4:19 PM CDT | Severe Thunderstorm Warning | LSX | Ralls | 51 min |
| Jun 1, 4:24 PM CDT | Severe Thunderstorm Warning | LSX | Boone, Callaway | 51 min |
| Jun 1, 4:33 PM CDT | Severe Thunderstorm Warning | LSX | Lewis | 47 min |
| Jun 1, 5:01 PM CDT | Severe Thunderstorm Warning | LSX | Cole, Osage | 49 min |
| Jun 1, 5:11 PM CDT | Severe Thunderstorm Warning | LSX | Iron, Reynolds | 49 min |
| Jun 1, 5:22 PM CDT | Severe Thunderstorm Warning | LSX | Montgomery | 48 min |
| Jun 1, 5:48 PM CDT | Severe Thunderstorm Warning | LSX | Madison | 47 min |
| Jun 1, 5:49 PM CDT | Tornado Warning | LSX | Lincoln | 51 min |
| Jun 1, 6:34 PM CDT | Tornado Warning | LSX | Crawford | 51 min |
| Jun 1, 6:44 PM CDT | Severe Thunderstorm Warning | LSX | Franklin | 51 min |
| Jun 1, 6:50 PM CDT | Tornado Warning | LSX | Franklin | 50 min |
Nearby
Tornado Warnings in Missouri, 1999Every tornado warning in 1999Tornadoes in 1999
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.