Alert archive / Illinois / Tornado Warnings in 1990
Tornado Warning 6, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Nov 27, 1990, 3:38 PM CST for Jersey County, Illinois. It was in force for 37 min.
The area
The counties it named.
The facts
- Issued
- Nov 27, 1990, 3:38 PM CST (21:38 UTC)
- Expired
- Nov 27, 1990, 4:15 PM CST
- In force
- 37 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Jersey 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
Paducah/Barkley, KY (KPAH), launched 12:00Z, 9.6 hours before the alert went out and 267 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
- 189 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 725 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 271 m²/s²
- 0-3 km storm-relative helicity
- 280 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 4.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 272138 TORSTL ILC083-272215- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 338 PM CST TUE NOV 27 1990 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 415 PM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS...... IN SOUTHWEST ILLINOIS ...JERSEY COUNTY AT 320 PM...A TORNADO WAS REPORTED IN PIERRE MARQUETE STATE PARK... 30 MILES NORTH OF ST. LOUIS. MOVEMENT WAS NORTHEAST AT 45 TO 50 MPH. THIS STORM SHOULD MOVE INTO THE JERSEYVILLE AREA BY 345 PM. IF YOU ARE IN THIS AREA TAKE COVER. IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A BASEMENT. GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM SUCH AS A CLOSET ON THE LOWEST FLOOR. USE BLANKETS...PILLOWS... OR CUSHIONS TO COVER YOUR BODY. AVOID WINDOWS. GOETSCH
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 26, 8:47 PM CST | Severe Thunderstorm Warning | LSX | Clinton, Washington | 43 min |
| Nov 26, 8:47 PM CST | Severe Thunderstorm Warning | LSX | Perry | 43 min |
| Nov 27, 12:47 PM CST | Severe Thunderstorm Warning | LSX | Pike | 43 min |
| Nov 27, 1:17 PM CST | Severe Thunderstorm Warning | LSX | Adams, Brown | 28 min |
| Nov 27, 3:02 PM CST | Severe Thunderstorm Warning | LSX | Calhoun, Jersey | 43 min |
| Nov 27, 3:23 PM CST | Severe Thunderstorm Warning | LSX | Madison | 67 min |
Nearby
Tornado Warnings in Illinois, 1990Every tornado warning in 1990Tornadoes in 1990
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.