Alert archive / Illinois / Tornado Warnings in 1995
Tornado Warning 20, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at May 27, 1995, 6:15 PM CDT for Greene County, Illinois. It was in force for 24 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 27, 1995, 6:15 PM CDT (23:15 UTC)
- Expired
- May 27, 1995, 6:39 PM CDT
- In force
- 24 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Greene County, IL
The radar
The St Louis radar (KLSX), 77 km from the middle of the area, began a volume at 23:18 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 27, 6:15 PM CDT | Tornado F1 | White Hall, IL | The Illinois State Police and storm spotters followed a tornado from the White Hall area to near Manchester. The tornado lifted off the ground at times but did damage several farm buildings and trees as it traveled nearly parallel to Highway 267. |
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, 11.3 hours before the alert went out and 177 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
- 537 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 248 m²/s²
- 0-3 km storm-relative helicity
- 349 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 272318 TORSTL ILC061-272345- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 615 PM CDT SAT MAY 27 1995 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 645 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHWEST ILLINOIS ...NORTHERN GREENE COUNTY AT 615 PM...RADAR INDICATED A TORNADO JUST NORTH OF WHITE HALL. THE STORM WAS MOVING TO THE NORTHEAST AT 35 MPH. THE TOWNS OF ROODHOUSE AND ATHENSVILLE ARE IN THE PATH OF THIS STORM. IF YOU ARE IN THE PATH OF THIS STORM...TAKE COVER IN A BASEMENT OR INTERIOR ROOM ON THE LOWEST LEVEL. AMS
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 4:41 PM CDT | Severe Thunderstorm Warning | LSX | Saint Clair | 24 min |
| May 27, 4:58 PM CDT | Severe Thunderstorm Warning | LSX | Clinton, Madison | 32 min |
| May 27, 5:36 PM CDT | Severe Thunderstorm Warning | LSX | Marion | 54 min |
| May 27, 6:17 PM CDT | Tornado Warning | LSX | Montgomery | 19 min |
| May 27, 6:22 PM CDT | Tornado Warning | LSX | Scott | 28 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.