Alert archive / Illinois / Tornado Warnings in 1989
Tornado Warning 15, NWS Lincoln, IL
NWS Lincoln, IL issued this tornado warning at Sep 8, 1989, 3:10 PM CDT for DeWitt County, Logan County, Macon County, Illinois. It was in force for 35 min.
The area
The counties it named.
The facts
- Issued
- Sep 8, 1989, 3:10 PM CDT (20:10 UTC)
- Expired
- Sep 8, 1989, 3:45 PM CDT
- In force
- 35 min
- Issued by
- NWS Lincoln, IL
- Area
- Whole counties
Counties DeWitt County, IL, Logan County, IL, Macon 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, 8.2 hours before the alert went out and 82 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
- 1787 J/kg
- Mixed-layer CIN
- -54 J/kg
- Mixed-layer LCL
- 577 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- -18 m²/s²
- 0-3 km storm-relative helicity
- 101 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KSPI 082010
TORSPI
ILC107-039-115-082045-
BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD IL
310 PM CDT FRI SEP 8 1989
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 345 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE CENTRAL PART OF ILLINOIS
EASTERN LOGAN...DE WITT...NORTHERN MACON
AT 153 PM...A TORNADO TOUCHED DOWN BRIEFLY 5 MILES SOUTHWEST OF
MT. PULASKI ILLINOIS WHICH IS 25 MILES NORTHEAST OF SPRINGFIELD.
THE TORNADO WAS MOVING NORTHEAST AT 30 MPH.
TOWNS IN AND NEAR THE PATH OF THIS TORNADO ARE MT. PULASKI...
KENNEY...MAROA...CLINTON...DEWITT...AND WELDON.
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.
THIS IS A DANGEROUS STORM. TAKE COVER IMMEDIATELY.
ATTN ISP DISTS 6...9...AND 10
PALMERWhat 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, Sep 8, 1:02 PM CDT, 2 hours 8 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 105 PM CDT FRI SEP 8 1989 ...THUNDERSTORMS WITH HEAVY RAIN AND DANGEROUS LIGHTNING MOVING INTO CENTRAL ILLINOIS... AT 100 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF SHOWERS AND THUNDERSTORMS FROM ROCKFORD SOUTH TO JUST WEST OF PEORIA TO QUINCY. THESE THUNDERSTORMS CONTAIN HEAVY RAIN...GUSTY WINDS AND DANGEROUS GROUND STROKES OF LIGHTNING. THE SHOWERS AND THUNDERSTORMS WERE MOVING NORTHEAST AT 25 MILES AN HOUR. RECENT RAIN OVER CENTRAL ILLINOIS HAS SATURATED THE GROUND. ADDITIONAL HEAVY RAIN MAY CAUSE LOW-LAND FLOODING AND PONDING OF WATER ON ROADWAYS...SO BE ON THE LOOKOUT. ATTN ISP DIST...7..8..14..17 J LAST
Special weather statement, Sep 8, 2:04 PM CDT, 1 hour 6 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 205 PM CDT FRI SEP 8 1989 ...THUNDERSTORMS WITH HEAVY RAIN CONTINUE TO MOVE THROUGH CENTRAL ILLINOIS... AT 200 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF SHOWERS AND THUNDERSTORMS FROM LASALLE ILLINOIS...50 MILES NORTHEAST OF PEORIA TO QUINCY. THESE THUNDERSTORMS CONTAIN HEAVY RAIN...GUSTY WINDS AND DANGEROUS GROUND STROKES OF LIGHTNING. THE SHOWERS AND THUNDERSTORMS WERE MOVING NORTHEAST AT 25 MILES AN HOUR. AUGUSTA ILLINOIS...IN SOUTHEAST HANCOCK COUNTY...RECEIVED 1.53 INCHES OF RAIN IN ONE HOUR JUST AFTER NOON. THE NATIONAL WEATHER SERVICE OFFICE AT PEORIA RECEIVED 0.25 INCHES OF RAIN IN 20 MINUTES...WITH HEAVY RAIN STILL FALLING. FLOODING OF LOW-LYING AREAS AND PONDING OF WATER ON ROADWAYS IS LIKELY...SO BE ON THE LOOKOUT. J LAST
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 8, 3:53 PM CDT | Tornado Warning | ILX | DeWitt, Macon, Piatt | 37 min |
| Sep 8, 4:47 PM CDT | Tornado Warning | ILX | Champaign, Piatt | 28 min |
| Sep 8, 5:19 PM CDT | Tornado Warning | ILX | Champaign, Vermilion | 41 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.