Alert archive / Illinois / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 17, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at May 6, 1986, 5:01 PM CDT for 5 counties in Illinois. It was in force for 59 min.
The area
The counties it named.
The facts
- Issued
- May 6, 1986, 5:01 PM CDT (22:01 UTC)
- Expired
- May 6, 1986, 6:00 PM CDT
- In force
- 59 min
- Issued by
- NWS Lincoln, IL
- Area
- Whole counties
Counties Fulton County, IL, Mason County, IL, McDonough County, IL, Schuyler County, IL, Tazewell County, IL
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Peoria Regional, IL (KPIA), launched 12:00Z, 10.0 hours before the alert went out and 60 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
- 1430 J/kg
- Mixed-layer CIN
- -92 J/kg
- Mixed-layer LCL
- 814 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- -76 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -5.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KPIA 062201 SVRPIA ILC109-169-057-179-125-062300- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PEORIA IL 501 PM CDT TUE MAY 6 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 600 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF WEST CENTRAL ILLINOIS...MCDONOUGH...SCHUYLER...FULTON...TAZEWELL AND MASON RADAR INDICATES A SEVERE THUNDERSTORM IN CENTRAL FULTON COUNTY AND OTHER POSSIBLE SEVERE THUNDERSTORMS IN MCDONOUGH COUNTY. THESE STORMS ARE MOVING TOWARD THE EAST AT 35 MILES AN HOUR. A REPORT WAS JUST RECEIVED OF GOLF BALL SIZE HAIL AT BATH... 10 MILES SOUTHWEST OF HAVANA AT 455 PM CDT. THIS SLOW MOVING THUNDERSTORM MAY CAUSE FLOODING OF SMALL STREAMS AND UNDERPASSES. THIS IS A DANGEROUS STORM. TAKE COVER IMMEDIATELY ! REMEMBER A SEVERE THUNDERSTORM CAN PRODUCE DAMAGING WINDS IN EXCESS OF 60 MPH...LARGE HAIL...DEADLY LIGHTNING...AND HEAVY RAIN THAT CAN QUICKY FLOOD A LOW LYING AREA. ATTN ISP 9,14,20 STARK..
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 6, 12:20 PM CDT | Severe Thunderstorm Warning | ILX | Hancock | 55 min |
| May 6, 12:52 PM CDT | Severe Thunderstorm Warning | ILX | McDonough, Warren | 38 min |
| May 6, 1:53 PM CDT | Severe Thunderstorm Warning | ILX | Marshall, Peoria, Woodford | 67 min |
| May 6, 2:16 PM CDT | Severe Thunderstorm Warning | ILX | Mason, Tazewell | 2 hr |
| May 6, 2:30 PM CDT | Severe Thunderstorm Warning | ILX | Hancock, McDonough, Schuyler | 60 min |
| May 6, 3:41 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Vermilion | 64 min |
| May 6, 3:46 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Hancock, McDonough, Schuyler | 74 min |
| May 6, 5:22 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Menard | 68 min |
| May 6, 5:22 PM CDT | Severe Thunderstorm Warning | ILX | Logan | 68 min |
| May 6, 6:07 PM CDT | Severe Thunderstorm Warning | ILX | Morgan, Sangamon | 68 min |
| May 6, 6:45 PM CDT | Severe Thunderstorm Warning | ILX | Morgan, Sangamon | 60 min |
| May 6, 6:56 PM CDT | Severe Thunderstorm Warning | ILX | Morgan, Sangamon | 64 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 1986Every severe thunderstorm warning in 1986
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.