Alert archive / Illinois / Tornado Warnings in 1995
Tornado Warning 12, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at May 18, 1995, 12:38 PM CDT for Saint Clair County, Illinois. It was in force for 52 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
- May 18, 1995, 12:38 PM CDT (17:38 UTC)
- Expired
- May 18, 1995, 1:30 PM CDT
- In force
- 52 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Saint Clair County, IL
The radar
The St Louis radar (KLSX), 70 km from the middle of the area, began a volume at 17:41 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 |
|---|---|---|---|
| May 18, 12:46 PM CDT | Tornado F0 | Millstadt, IL | A tornado touched down briefly damaging one outbuilding and knocking down several large trees. |
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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 5.6 hours before the alert went out and 219 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
- 507 m above ground
- 0-6 km bulk shear
- 76 kt
- 0-1 km storm-relative helicity
- 256 m²/s²
- 0-3 km storm-relative helicity
- 346 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 181740 TORSTL ILC163-181830- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 1238 PM CDT THU MAY 18 1995 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 130 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHWEST ILLINOIS ...ST CLAIR COUNTY AT 1237 PM...A TORNADO WAS JUST SOUTHEAST OF WATERLOO. THE STORM WAS MOVING TO THE EAST-NORTHEAST AT 30 MPH. DAMAGE HAS BEEN REPORTED. THE TO SNEW ATHENS AND DARMDSTADT...LENZBERG ARE IN THE PATH OF THIS STORM. THIS IS A DANGEROUS STORM SITUATION. ACT QUICKLY AND SEEK SHELTER NOW! &
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 17, 11:56 PM CDT | Flash Flood Warning | LSX | Clinton, Madison, Monroe, Randolph, Saint Clair, Washington | 4 hr |
| May 17, 11:56 PM CDT | Flash Flood Warning | LSX | Jefferson, Perry | 4 hr |
| May 17, 11:56 PM CDT | Flash Flood Warning | LSX | Effingham, Fayette | 4 hr |
| May 17, 11:56 PM CDT | Flash Flood Warning | LSX | Bond | 4 hr |
| May 17, 11:56 PM CDT | Flash Flood Warning | LSX | Calhoun, Jersey | 4 hr |
| May 17, 11:56 PM CDT | Flash Flood Warning | LSX | Marion | 4 hr |
| May 18, 12:19 PM CDT | Tornado Warning | LSX | Monroe | 41 min |
| May 18, 12:54 PM CDT | Severe Thunderstorm Warning | LSX | Randolph | 51 min |
| May 18, 1:03 PM CDT | Tornado Warning | LSX | Washington | 27 min |
| May 18, 1:12 PM CDT | Tornado Warning | LSX | Clinton | 42 min |
| May 18, 1:19 PM CDT | Tornado Warning | LSX | Randolph | 35 min |
| May 18, 1:22 PM CDT | Tornado Warning | LSX | Washington | 32 min |
| May 18, 1:35 PM CDT | Tornado Warning | LSX | Jefferson, Marion | 40 min |
| May 18, 1:40 PM CDT | Severe Thunderstorm Warning | LSX | Perry | 24 min |
| May 18, 2:02 PM CDT | Tornado Warning | LSX | Fayette | 27 min |
| May 18, 2:02 PM CDT | Tornado Warning | LSX | Effingham | 43 min |
Nearby
Tornado Warnings in Illinois, 1995Every tornado warning in 1995Tornadoes in 1995
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.