Alert archive / Illinois / Tornado Warnings in 1996
Tornado Warning 44, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Dec 23, 1996, 2:38 PM CST for Monroe County, Randolph County, Illinois; Sainte Genevieve County, Missouri. It was in force for 37 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
- Dec 23, 1996, 2:38 PM CST (20:38 UTC)
- Expired
- Dec 23, 1996, 3:15 PM CST
- In force
- 37 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Monroe County, IL, Randolph County, IL, Sainte Genevieve County, MO
The radar
The St Louis radar (KLSX), 88 km from the middle of the area, began a volume at 20:41 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 |
|---|---|---|---|
| Dec 23, 2:55 PM CST | Tornado F1 | Evansville, IL |
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 nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 8.6 hours before the alert went out and 263 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
- 70 J/kg
- Mixed-layer CIN
- -60 J/kg
- Mixed-layer LCL
- 518 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 141 m²/s²
- 0-3 km storm-relative helicity
- 151 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 232039 RRA TORSTL ILC133-157-MOC186-232115- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 238 PM CST MON DEC 23 1996 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 315 PM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHWEST ILLINOIS ...SOUTHERN MONROE COUNTY...NORTHERN RANDOLPH COUNTY IN EAST CENTRAL MISSOURI ...NORTHERN ST. GENEVIEVE COUNTY AT 238 PM...RADAR INDICATED A TORNADIC THUNDERSTORM JUST WEST OF BLOOMSDALE. THE STORM WAS MOVING EAST NORTHEAST AT 40 MPH. THE STORM WILL MOVE THROUGH THE BLOOMSDALE...PRARIE DU ROCHER AND RENAULT. IF YOU ARE IN THE PATH OF THIS STORM...TAKE COVER IDN A BASEMENT OR INTERIOR ROOM ON THE LOWEST LEVEL.
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 23, 11:19 AM CST | Severe Thunderstorm Warning | LSX | Monroe | 41 min |
| Dec 23, 11:43 AM CST | Severe Thunderstorm Warning | LSX | Calhoun | 62 min |
| Dec 23, 11:43 AM CST | Severe Thunderstorm Warning | LSX | Greene | 62 min |
| Dec 23, 3:18 PM CST | Severe Thunderstorm Warning | LSX | Saint Clair, Washington | 27 min |
| Dec 23, 10:27 AM CST | Tornado Warning | LSX | Crawford, Washington | 63 min |
| Dec 23, 10:59 AM CST | Severe Thunderstorm Warning | LSX | Montgomery, Warren | 61 min |
| Dec 23, 11:03 AM CST | Severe Thunderstorm Warning | LSX | Lincoln | 42 min |
| Dec 23, 12:10 PM CST | Severe Thunderstorm Warning | LSX | Franklin | 65 min |
| Dec 23, 1:40 PM CST | Tornado Warning | LSX | Iron, Washington | 35 min |
| Dec 23, 2:15 PM CST | Tornado Warning | LSX | Saint Francois, Washington | 30 min |
Nearby
Tornado Warnings in Illinois, 1996Tornado 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.