Alert archive / Illinois / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 9, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at Apr 26, 1989, 6:51 PM CDT for Knox County, Stark County, Illinois. It was in force for 54 min.
The area
The counties it named.
The facts
- Issued
- Apr 26, 1989, 6:51 PM CDT (23:51 UTC)
- Expired
- Apr 26, 1989, 7:45 PM CDT
- In force
- 54 min
- Issued by
- NWS Lincoln, IL
- Area
- Whole counties
Counties Knox County, IL, Stark 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, 11.9 hours before the alert went out and 51 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
- 2 J/kg
- Mixed-layer CIN
- -675 J/kg
- Mixed-layer LCL
- 1295 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- -7 m²/s²
- 0-3 km storm-relative helicity
- 54 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 KPIA 262351
SVRPIA
ILC095-175-270045-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEORIA IL
651 PM CDT WED APR 26 1989
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 745 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE WEST CENTRAL PART OF ILLINOIS
NORTHERN KNOX...
IN THE CENTRAL PART OF ILLINOIS
STARK...
AT 645 PM...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM NEAR ANDOVER...30 MILES SOUTHEAST OF MOLINE.
WIND GUSTS IN EXCESS OF 50 MILES AN HOUR AND HAIL HAVE BEEN
REPORTED WITH THIS STORM. THIS THUNDERSTORM IS MOVING SOUTHEAST
AT 35 MILES AN HOUR.
IF YOU ARE IN AN AREA THREATENED BY THE STORM..GO TO A REINFORECED
SHELTER AND PREPARE FOR DAMAGING WIND...LARGE HAIL...VERY HEAVY
RAIN AND LIGHTNING.
REMEMBER...SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
A TORNADO WITH LITTLE OR NO ADVANCE WARJNING SO BE ON THE LOOKOUT.
TOWNS IN THE PATH OF THIS THUNDERSTORM INCLUDE ALTONA AND
LA FAYETTE.
ATTN ISP DIST...7 AND 8
J LASTWhat forecasters said that day
The local office's own words before this severe thunderstorm 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, 4:38 PM CDT, 2 hours 13 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 435 PM CDT WED APR 26 1989 ...TORNADO WATCH FOR WEST CENTRAL ILLINOIS IN EFFECT UNTIL 11 PM... AT 430 PM...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF STRONG THUNDERSTORMS EXTENDING FROM SOUTHWESTERN WISCONSIN TO DES MOINES IOWA. THE STORMS WERE MOVING EAST-SOUTHEAST AT 35 MILES AN HOUR. REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN THIS AREA. BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN TO LOCAL RADIO...TELEVISION...OR NOAA WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS. J LAST
Special weather statement, Apr 26, 5:37 PM CDT, 1 hour 14 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
535 PM CDT WED APR 26 1989
...TORNADO WATCH REMAINS IN EFFECT FOR WEST CENTRAL ILLINOIS
UNTIL 11 PM...
AT 530 PM...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
SHOWERS AND STRONG THUNDERSTORMS EXTENDING FROM SOUTHWESTERN
WISCONSIN TO 20 MILES EAST OF DES MOINES IOWA. SEVERE THUNDER
STORMS WERE LOCATED 20 MILES EAST OF DES MOINES AND 35 MILES
WEST OF MOLINE ILLINOIS. THE SHOWERS AND STORMS WERE MOVING
SOUTHEAST AT 35 MILES AN HOUR.
REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN THIS AREA. BE ON THE
LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN TO LOCAL
RADIO...TELEVISION...OR NOAA WEATHER RADIO FOR LATER STATEMENTS
AND POSSIBLE WARNINGS.
J LASTSpecial weather statement, Apr 26, 6:33 PM CDT, 18 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 630 PM CDT WED APR 26 1989 ...TORNADO WATCH REMAINS IN EFFECT FOR WEST CENTRAL ILLINOIS UNTIL 11 PM... AT 625 PM...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES SOUTHEAST OF MOLINE ILLINOIS. THIS STORM WAS PART OF A LINE OF SHOWERS AND STRONG THUNDERSTORMS EXTENDING FROM NEAR MADISON WISCONSIN TO DES MOINES IOWA. THE SHOWERS AND STORMS WERE MOVING SOUTHEAST AT 35 MILES AN HOUR. REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN THIS AREA. BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN TO LOCAL RADIO...TELEVISION...OR NOAA WEATHER RA,DIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS. J LAST
Special weather statement, Apr 26, 6:38 PM CDT, 13 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 6 35 PM CDT WED APR 26 1989 ...STRONG THUNDERSTORM IN SOUTHEAST ILLINOIS... AT 630 PM CDT WEATHER RADARS SHOW A STRONG THUNDERSTORM LOC.ATED IN CLARK COUNTY JUST SOUTHEAST OF MARTINSVILLE ILLINOIS. THE THUNDERSTORM WAS MOVING EAST AND SOUTHEAST AT 30 MPH. THIS THUNDERSTORM MAY PRODUCE STRONG GUSTY WINDS..DANGEROUS LIGHTNING ...AND HEAVY RAINFALL AMOUNTS. HILLIARD
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 26, 6:25 PM CDT | Severe Thunderstorm Warning | ILX | Lee | 50 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 1989Every severe thunderstorm warning 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.