Alert archive / Missouri / Tornado Warnings in 1996
Tornado Warning 20, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Apr 19, 1996, 7:55 PM CDT for Sainte Genevieve County, Saint Francois County, Missouri. It was in force for 50 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Apr 19, 1996, 7:55 PM CDT (00:55 UTC)
- Expired
- Apr 19, 1996, 8:45 PM CDT
- In force
- 50 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Saint Francois County, MO, Sainte Genevieve County, MO
The radar
The St Louis radar (KLSX), 99 km from the middle of the area, began a volume at 00:57 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 nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 0.9 hours before the alert went out and 296 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
- 1505 J/kg
- Mixed-layer CIN
- -39 J/kg
- Mixed-layer LCL
- 765 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 213 m²/s²
- 0-3 km storm-relative helicity
- 268 m²/s²
- Significant tornado parameter
- 2.4
- Supercell composite
- 11.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 200058 TORSTL MOC187-186-200145- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 755 PM CDT FRI APR 19 1996 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 845 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST CENTRAL MISSOURI ...SOUTHEASTERN ST. FRANCOIS COUNTY ...SOUTHERN ST. GENEVIEVE COUNTY AT 755 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS DETECTING A TORNADO JUST NORTH KNOB LICK. IT WAS MOVING EAST NORTHEAST AT 40 MPH. THE TORNADO WILL MOVE THROUGH KNOB LICK...LIBERTYVILLE AND WOMACK. IF YOU ARE IN THE PATH OF THIS STORM...TAKE COVER IN A BASEMENT OR INTERIOR ROOM ON THE LOWEST LEVEL. GKS/FG
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 19, 7:03 PM CDT | Severe Thunderstorm Warning | LSX | Saint Louis, City of Saint Louis | 42 min |
| Apr 19, 7:04 PM CDT | Tornado Warning | LSX | Iron, Saint Francois | 56 min |
| Apr 19, 7:26 PM CDT | Severe Thunderstorm Warning | LSX | Crawford, Washington | 49 min |
| Apr 19, 7:40 PM CDT | Severe Thunderstorm Warning | LSX | Reynolds | 50 min |
| Apr 19, 7:43 PM CDT | Tornado Warning | LSX | Sainte Genevieve | 47 min |
| Apr 19, 8:11 PM CDT | Severe Thunderstorm Warning | LSX | Iron | 49 min |
| Apr 19, 8:28 PM CDT | Tornado Warning | LSX | Iron, Reynolds | 47 min |
| Apr 19, 8:38 PM CDT | Tornado Warning | LSX | Madison | 52 min |
| Apr 19, 8:45 PM CDT | Flash Flood Warning | LSX | Iron | 3 hr |
| Apr 19, 8:57 PM CDT | Severe Thunderstorm Warning | LSX | Madison, Sainte Genevieve, Saint Francois | 48 min |
| Apr 19, 9:03 PM CDT | Flash Flood Warning | LSX | Madison, Saint Francois | 3 hr |
| Apr 19, 9:03 PM CDT | Tornado Warning | LSX | Reynolds | 42 min |
| Apr 19, 9:17 PM CDT | Severe Thunderstorm Warning | LSX | Iron, Reynolds | 43 min |
| Apr 19, 9:48 PM CDT | Severe Thunderstorm Warning | LSX | Madison | 42 min |
Nearby
Tornado Warnings in Missouri, 1996Every tornado warning in 1996Tornadoes in 1996
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.