Alert archive / Illinois / Tornado Warnings in 1987
Tornado Warning 14, NWS Lincoln, IL
NWS Lincoln, IL issued this tornado warning at Jun 1, 1987, 2:21 PM CDT for Vermilion 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
- Jun 1, 1987, 2:21 PM CDT (19:21 UTC)
- Expired
- Jun 1, 1987, 2:45 PM CDT
- In force
- 24 min
- Issued by
- NWS Lincoln, IL
- Area
- Whole counties
County Vermilion County, IL
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 1, 2:40 PM CDT | Hail 1.75 | Vermilion, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Peoria Regional, IL (KPIA), launched 12:00Z, 7.4 hours before the alert went out and 167 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
- 815 J/kg
- Mixed-layer CIN
- -136 J/kg
- Mixed-layer LCL
- 1127 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 98 m²/s²
- 0-3 km storm-relative helicity
- 110 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 KSPI 011921 TORSPI ILC183-011945- BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SPRINGFIELD IL 221 PM CDT MON JUN 1 1987 THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 245 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY OF EAST CENTRAL ILLINOIS...VERMILION AT 219 PM CDT RADAR INDICATED A TORNADO NEAR DANVILLE ILLINOIS. THE TORNADO WAS MOVING EAST AT 25 MPH. IF YOU ARE IN THE PATH OF A TORNADO...GO TO A BASEMENT SHELTER IF AVAILABLE...OTHERWISE TO A CENTRAL INTERIOR ROOM ON THE LOWEST FLOOR. ABANDON CARS AND MOBILE HOMES FOR A REINFORCED BUILDING. IF YOU ARE IN AN AREA THREATENED BY THE STORM..GO TO A REINFORCED SHELTER AND PREPARE FOR DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN AND DANGEROUS LIGHTING. THIS IS A DANGEROUS STORM. TAKE COVER IMMEDIATELY. ATTN ISP DIST...10 HUGHES
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, 9:09 AM CDT, 5 hours 12 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 910 AM CDT MON JUN 1 1987 AT 855 AM CDT RADAR INDICATED VERY HEAVY THUNDERSTORMS IN NORTH CENTRAL ILLINOIS. THE HEAVIEST STORM WAS IN BUREA U COUNTY NEAR THE TOWN OF SHEFFIELD. SOME OF THE STORMS MAY BE ACCOMPANIED WITH BRIEF PERIODS OF STRONG GUSTY SURFACE WINDS...HEAVY DOWNPOURS...FREQUENT DANGEROUS LIGHTNING AND SMALL HAIL. MOVEMENT WAS EAST AT 20 MPH. STUMETZ
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 31, 7:54 PM CDT | Severe Thunderstorm Warning | ILX | Bureau | 66 min |
| May 31, 9:50 PM CDT | Severe Thunderstorm Warning | ILX | Tazewell, Woodford | 55 min |
| Jun 1, 1:50 PM CDT | Tornado Warning | ILX | Vermilion | 25 min |
Nearby
Tornado Warnings in Illinois, 1987Every tornado warning in 1987Tornadoes in 1987
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.