Alert archive / Illinois / Tornado Warnings in 1989
Tornado Warning 1, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Apr 26, 1989, 10:32 PM CDT for Greene County, Illinois. It was in force for 28 min.
The area
The counties it named.
The facts
- Issued
- Apr 26, 1989, 10:32 PM CDT (03:32 UTC)
- Expired
- Apr 26, 1989, 11:00 PM CDT
- In force
- 28 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Greene 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 00:00Z, 3.5 hours before the alert went out and 161 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
- 1526 J/kg
- Mixed-layer CIN
- -61 J/kg
- Mixed-layer LCL
- 1669 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 111 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KSTL 270330
TORSTL
ILC061-270400-
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1032 PM CDT WED APR 26 1989
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 1100 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTHWEST ILLINOIS
...SOUTHERN GREENE
A TORNADO HAS BEEN REPORTED ABOUT 2 MILES EAST OF CARLTON IN GREENE
COUNTY. THIS IS ABOUT 35 MILES NORTH OF THE ST LOUIS METROPOLITAN
AREA.
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.
THIS IS A DANGEROUS STORM SITUATION. ACT QUICKLY. IF YOU ARE
IN THE PATH OF THIS TORNADO MOVE TO A SHELTER BELOW GROUND IF
AVAILABLE. OTHERWISE...GO TO A S\MALL INTERIOR ROOM ON THE LOWEST
FLOOR POSSIBLE. AVOID WINDOWS. ABANDON CARS AND MOBILE HOMES
FOR A REINFORCED BUILDING OR GET INTO A DITCH OR CULVERT.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, Apr 26, 7:58 PM CDT, 2 hours 34 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 750 PM CDT WED APR 26 1989 ...TORNADO WATCH REMAINS IN EFFECT UNTIL 11 PM FOR EXTREME NORTH MISSOURI... AT 750 PM...THE SHERIFFS OFFICE IN CAHOKA IN CLARK COUNTY IN NORTHEAST MISSOURI REPORTED A STRONG THUNDERSTORM WITH STRONG WINDS. NO REPORTS OF SEVERE WEATHER HAVE BEEN REPORTED TO THE NATIONAL WEATHER SERVICE AT THIS TIME. PERSONS IN CLARK COUNTY SHOULD REMAIN ALE:RT FOR THE POSSIBILITY OF SEVERE WEATHER THIS EVENING. A FEW OF THESE THUNDERSTORMS WERE SEVERE AS THEY MOVED ACROSS IOWA. THE WEATHER OFFICE IN PEORIA REPORTED A WIND GUST TO 69 MPH AT 750 PM.
Special weather statement, Apr 26, 10:19 PM CDT, 13 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1015 PM CDT WED APR 26 1989 ...GUSTY WINDS HEADED INTO EAST CENTRAL MISSOURI... THE THUNDERSTORMS IN NORTHEAST MISSOURI AND WEST CENTRAL ILLINOIS HAVE PRODUCED A STRONG OUTFLOW OF WIND WHICH IS MOVING SOUTH. THIS WIND WILL REACH LINCOLN COUNTY MISSOURI AND CALHOUN COUNTY ILLINOIS NEAR 1030 PM AND THEN REACH ST CHARLES COUNTY MISSOURI AND JERSEY COUNTY ILLINOIS BETWEEN 1040 AND 11 PM. WINDS OF 35 TO 45 MPH CAN BE EXPECTED. THE WINDS WILL CONTINUE TO PUSH SOUTH INTO THE ST LOUIS AREA BUT WILL WEAKEN TO ABOUT 30 MPH. A FEW SHOWERS AND THUNDERSTORMS WILL DRIFT INTO THE ST LOUIS AREA AROUND MIDNIGHT BUT THE BEST CHANCHE OF RAIN WILL PROBABLY BE JUST TO THE EAST OF ST LOUIS. TUCKER
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 26, 8:39 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 36 min |
| Apr 26, 8:47 PM CDT | Severe Thunderstorm Warning | LSX | Brown | 28 min |
| Apr 26, 9:28 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 32 min |
| Apr 26, 10:47 PM CDT | Severe Thunderstorm Warning | LSX | Adams, Pike | 28 min |
| Apr 26, 10:57 PM CDT | Severe Thunderstorm Warning | LSX | Jersey, Madison | 33 min |
| Apr 26, 10:57 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun | 33 min |
Nearby
Tornado Warnings in Illinois, 1989Every tornado warning in 1989Tornadoes in 1989
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.