Alert archive / Illinois / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 90, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at Oct 17, 1990, 6:16 PM CDT for Christian County, Macon County, Shelby County, Illinois. It was in force for 59 min. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Oct 17, 1990, 6:16 PM CDT (23:16 UTC)
- Expired
- Oct 17, 1990, 7:15 PM CDT
- In force
- 59 min
- Issued by
- NWS Lincoln, IL
- Area
- Whole counties
Counties Christian County, IL, Macon County, IL, Shelby County, IL
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Oct 17, 7:00 PM CDT | Thunderstorm Wind 0 | Christian, IL | |
| Oct 17, 7:00 PM CDT | Thunderstorm Wind 0 | Shelby, IL |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Paducah/Barkley, KY (KPAH), launched 12:00Z, 11.3 hours before the alert went out and 283 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 0 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 205 m²/s²
- 0-3 km storm-relative helicity
- 244 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 KSPI 172316
SVRSPI
ILC021-115-173-180015-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD IL
616 PM CDT WED OCT 17 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 715 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE CENTRAL PART OF ILLINOIS
NORTHERN CHRISTIAN...SOUTHERN MACON...NORTHERN SHELBY
AT 610 PM...RADAR INDICATED SEVERE THUNDERSTORMS 30 MILES SOUTH
SOUTHEAST OF SPRINGFIELD ILLINOIS NEAR THE CHRISTIAN COUNTY BORDER.
THE SEVER STORMS WERE MOVING NORTHEAST AT 45 MPH.
COMMUNITIES IN THE PATH OF THESE STORMS ARE KINCAID...EDINBURG...
TAYLORVILLE...MACON...MOWEAQUA...AND DECATUR.
0
IF YOU ARE IN AN AREA THREATENED BY THE STORM..GO TO A REINFORCED
SHELTER AND PREPARE FOR DAMAGING WIND...LARGE HAIL...VERY HEAVY
RAIN AND DANGEROUS LIGHTNING.
ATTN ISP DISTS...9 AND 10
PALMERWhat 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, Oct 17, 2:40 PM CDT, 3 hours 36 minutes before
ILZ009-010-172215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 235 PM CDT WED OCT 17 1990 ...TORNADO WATCH UNTIL 8 PM CDT FOR PORTIONS OF WEST CENTRAL ILLINOIS... SHOWERS AND THUNDERSTORMS WERE BUILDING OVER NORTHERN AND EASTERN MISSOURI THIS AFTERNOON. THESE STORMS WERE MOVING NORTHEAST AT 35 MPH. THE BULK OF THESE STORMS WILL MOVE INTO WESTERN ILLINOIS TO THE WEST OF THE ILLINOIS RIVER. HOWEVER THE COUNTIES WEST AND NORTH/ WEST OF SPRINGFIELD THAT BORDER THE RIVER MAY ALSO BE EFFECTED. PERSONS IN CENTRAL AND WEST CENTRAL ILLINOIS ARE ADVISED TO KEEP ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS AND SEEK SHELTER IN A STURDY BUILDING IF SEVERE WEATHER THREATENS. CF
Special weather statement, Oct 17, 4:13 PM CDT, 2 hours 3 minutes before
ILZ005-006-007-009-172215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 415 PM CDT WED OCT 17 1990 ...TORNADO WATCH CONTINUES IN EFFECT FOR WEST CENTRAL ILLINOIS TO 8PM... AT 4:10 PM... RADAR INDICATED AN AREA OF SHOWERS AND THUNDERSTORMS FROM THE PEORIA AREA DOWN TO NEAR MASON CITY. THUNDERSTORMS WERE PRODUCING HEAVY RAIN OVER MASON COUNTY AND ALONG THE RIVER SOUTH OF PEORIA. THESE THUNDERSTORMS AND SHOWERS HAVE BEEN MOVING NORTHEAST AT 35 MPH AND WILL BE MOVING INTO PEORIA AND WOODFORD COUNTIES BY 5PM. ANOTHER AREA OF THUNDERSTORMS WAS CROSSING THE MISSISSIPPI RIVER INTO WETERN ILLINOIS... FROM QUINCY TO NEAR BURLINGTON. THESE THUNDERSTORMS WERE ALSO MOVING NORTHEAST AT 35 MPH. BE PREPARED TO TAKE SHELTER IF A TORNADO WARNING OR A SEVERE THUNDERSTORM WARNING IS ISSUED FOR YOUR AREA. . JACOBS
Special weather statement, Oct 17, 5:17 PM CDT, 59 minutes before
ILZ005-006-007-009-172315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 515 PM CDT WED OCT 17 1990 ...TORNADO WATCH CONTINUES IN EFFECT FOR WEST AND CENTRAL ILLINOIS... AT 5:10 PM... RADAR INDICATED A BROAD BAND OF THUNDERSTORMS AND HEAVY RAIN EXTENDING ACROSS WESTERN ILLINOIS FROM MOLINE DOWN THROUGH MACOMB TO ST LOUIS MISSOURI. THE LEADING EDGE OF THE AREA WAS ABOUT 25 MILES WEST OF PEORIA. THE STRONGEST THUNDERSTORMS WERE MOVING INTO EASTERN SCHUYLER COUNTY... AND NEAR MACOMB. THUNDERSTORMS CONTINUE TO MOVE NORTHEAST AT 35 MPH. A SECOND AREA OF SHOWERS AND THUNDERSTORMS WAS NORTHEAST OF PEORIA OVER WOODFORD AND MARSHALL COUNTIES... ALSO MOVING NORTHEAST AT 35 MPH. MOST REPORTS FROM WEST ILLINOIS INDICATED 35 TO 40 MPH WINDS AND OCCASIONAL HEAVY RAINFALL. THE AREA IS BEING CLOSELY MONITORED FOR SEVERE WEATHER DEVELOPMENT AND A WARNING COULD BE ISSUED IF THIS THUNDERSTORM ACTIVITY BECOMES STRONGER. PERSONTS IN WESTERN AND CENTRAL ILLINOIS SHOULD MONITOR TV AND RADIO ... OR NOAA WEATHER RADIO... FOR LATEST WEATHER INORMATION AND POSSIBLE WARNINGS. JACOBS
Special weather statement, Oct 17, 6:01 PM CDT, 15 minutes before
ILZ005-006-007-009-180000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 600 PM CDT WED OCT 17 1990 ...TORNADO WATCH CONTINUES IN EFFECT FOR WEST AND CENTRAL ILLINOIS... AT 5:55 PM... A LARGE AREA OF THUNDERSTORMS AND RAIN OVER WEST CENTRAL ILLINOIS. THE HEAVIEST RAIN AND STRONGEST THUNDERSTORM ACTIVITY WAS OCCURRING IN A BAND FROM HAVANNA UP ALONG THE ILLINOIS RIVER THROUGH PEKIN TO CHILLICOTHE. THE RAIN AND THUNDERSTORMS HAVE BEEN MOVING NORTHEAST AT 35 MPH. MOST REPORTS FROM THE AREA INDICATED 35 TO 40 MPH WINDS AND OCCASIONAL HEAVY RAINFALL. SMALL HAIL WAS REPORTED IN EXTREME NORTHERN PEORIA NEAR PIONEER PARK AT 5:43 PM AND AT KICKAPOO AT 5:38 PM. THIS PARTICULAR THUNDERSTORM WEAKENED AS IT MOVED UP INTO WESTERN WOODFORD COUNTY. THE BACK EDGE OF THE PRECIPITATION REACHES FROM RUSHVILLE TO GALESBURG AND REPRESENTS AN ADVANCING COLD FRONT. WESTERN ILLINOIS WILL HAVE STRONG NORTHWEST WINDS AFTER THE FRONT PASSES AND TEMPERATURES WILL TUMBLE RAPIDLY TO AROUND 40 DEGREES BY THURSDAY MORNING. PERSONS IN WESTERN AND CENTRAL ILLINOIS SHOULD CONTINUE TO MONITOR TV AND RADIO ... OR NOAA WEATHER RADIO... FOR LATEST THE WEATHER INORMATION AND POSSIBLE WARNINGS. JACOBS
Nearby
Severe Thunderstorm Warnings in Illinois, 1990Every severe thunderstorm warning 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.