Alert archive / Illinois / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 43, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at Jun 17, 1990, 6:13 PM CDT for Macoupin County, Montgomery County, Illinois. It was in force for 62 min.
The area
The counties it named.
The facts
- Issued
- Jun 17, 1990, 6:13 PM CDT (23:13 UTC)
- Expired
- Jun 17, 1990, 7:15 PM CDT
- In force
- 62 min
- Issued by
- NWS Lincoln, IL
- Area
- Whole counties
Counties Macoupin County, IL, Montgomery 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, 11.2 hours before the alert went out and 257 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
- 1821 J/kg
- Mixed-layer CIN
- -32 J/kg
- Mixed-layer LCL
- 979 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 74 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 172313
SVRSPI
ILC117-135-115-180015-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD IL
613 PM CDT SUN JUN 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 MACOUPIN...NORTHERN MONTGOMERY...MACON
AT 610 PM RADAR INDICATED A 20 MILE WIDE LINE OF SEVERE
THUNDERSTORMS FROM 30 MILES NORTHWEST OF CHAMPAIGN TO THE DECATUR
AREA...TAYLORVILLE THEN ON TO CARLINVILLE 40 MILES SOUTH SOUTHWEST
OF SPRINGFIELD. THE LINE WAS MOVING TOWARD THE EAST AT 15 TO 25
MPH.
PERSON IN THESE CITIES SHOULD BE ON THE ALERT FOR RAPIDLY CHANGING
WEATHER CONDITIONS...MONTICELLO...DECATUR...PANA...WITT AND
CARLINVILE.
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.
REMEMBER...SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
A TORNADO WITH LITTLE OR NO ADVANCE WARNING SO BE ON THE LOOKOUT.
INTENSE LIGHTNING IS REPORTED WITH THIS STORM. IF OUTDOORS...
STAY AWAY FROM HIGH OBJECTS. MOVE INDOORS IF POSSIBLE. WHEN
INDOORS...STAY AWAY FROM WINDOWS AND DOORS. AVOID USING TELEPHONES
AND ELECTRICAL EQUIPIMENT.
ATTN ISP DIST...9 10 AND 18
FSWhat 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, Jun 17, 4:30 PM CDT, 1 hour 43 minutes before
ILZ005-006-007-009-172230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 430 PM CDT SUN JUN 17 1990 ...TORNADO WATCH IS IN EFFECT FOR WESTERN AND CENTRAL ILLINOIS UNTIL 1000 PM CDT... AT 425 PM CDT RADAR INDICATED SCATTERED SHOWERS AND THUNDERSTORMS OVER WESTERN AND CENTRAL ILLINOIS. THE SHOWERS AND STORMS WERE DEVELOPING WEST OF A LINE FROM 25 MILES EAST OF MOLINE TO PEORIA TO ST. LOUIS. IN ADDITION AN ISOLATED STRONG THUNDERSTORM WAS LOCATED IN EXTREME NORTHEAST LOGAN COUNTY NEAR INTERSTATE 55 APPROACHING SOUTHERN MCLEAN COUNTY. MOVEMENT OF ALL OF THE SHOWERS AND STORMS WAS NORTHEAST AT 35 MILES AN HOUR. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING STRONG GUSTY WINDS... LARGE HAIL...DANGEROUS LIGHTNING...HEAVY RAIN AND POSSIBLY TORNADOES. PEOPLE ACROSS CENTRAL AND WESTERN ILLINOIS SHOULD BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS AND STAY TUNED TO RADIO...TELEVISION OR NOAA WEATHER RADIO FOR LATER STATEMENTpS AND POSSIBLE WARNINGS. MILLER
Special weather statement, Jun 17, 4:58 PM CDT, 1 hour 15 minutes before
ILZ009-010-172300 (UGC LINE HAVE TO ENTER DDHHMM )
1 TO 6 HOURS DEPENDING ON EVENT.
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
453 PM CDT SUN JUN 17 1990
...HEAVY THUNDERSTORM IN DE WITT COUNTY...
AT 450PM CDT A THUNDERSTORM PRODUCING HEAVY RAIN...PEA SIZED HAIL AND
DANGEROUS LIGHTING WAS IN WESTERN DE WITT COUNTY. IT WAS MOVING TOWARD
THE EAST AND SOUTHEAST AT 20 TO 30 MPH.
PERSONS IN MIDLAND CITY...CLINTON AND WELDON SHOULD BE ON THE ALERT
FOR WEATHER DEVELOPMENTS UNTIL THIS STORM PASSES THE COUNTY BY 6PM.
FSSpecial weather statement, Jun 17, 4:59 PM CDT, 1 hour 14 minutes before
ILZ009-010-172300 SPECIAL WEATHER STATEMENT...CORRECTED FOR HEADING NATIONAL WEATHER SERVICE SPRINGFIELD IL 453 PM CDT SUN JUN 17 1990 ...HEAVY THUNDERSTORM IN DE WITT COUNTY... AT 450PM CDT A THUNDERSTORM PRODUCING HEAVY RAIN...PEA SIZED HAIL AND DANGEROUS LIGHTING WAS IN WESTERN DE WITT COUNTY. IT WAS MOVING TOWARD THE EAST AND SOUTHEAST AT 20 TO 30 MPH. PERSONS IN MIDLAND CITY...CLINTON AND WELDON SHOULD BE ON THE ALERT FOR WEATHER DEVELOPMENTS UNTIL THIS STORM PASSES THE COUNTY BY 6PM. FS
Special weather statement, Jun 17, 5:36 PM CDT, 37 minutes before
ILZ005-006-007-009-172330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 535 PM CDT SUN JUN 17 1990 ...TORNADO WATCH IS IN EFFECT FOR WESTERN AND CENTRAL ILLINOIS UNTIL 1000 PM CDT... AT 530 PM CDT RADAR INDICATED SCATTERED SHOWERS AND THUNDERSTORMS OVER CENTRAL ILLINOIS. THE SHOWERS AND STORMS EXTENDED FROM NORTHEAST MCLEAN COUNTY TO EASTERN MASON COUNTY TO 20 MILES SOUTHEAST OF QUINCY. THE STRONGEST STORMS WERE 10 MILES NORTHEAST AND 25 MILES SOUTH OF BLOOMINGTON. IN ADDITION AN ISOLATED THUNDERSTORM WAS NEAR THE BUREAU/LASALLE COUNTY LINE...25 MILES WEST OF MARSEILLES. MOVEMENT WAS EAST AT 30 MILES AN HOUR. WEST OF THE ILLINOIS RIVER IT APPEARS THAT THE POTENTIAL FOR SEVERE WEATHER HAS LESSENED DUE TO THE ADVANCING COLD FRONT TO OUR WEST. PEOPLE ACROSS CENTRAL AND WESTERN ILLINOIS ARE ADVISED TO STAY TUNED TO RADIO... TELEVISION OR NOAA WEATHER RADIO FOR LATER STATEMENTS OR POSSIBLE WARNINGS. . MILLER
Special weather statement, Jun 17, 5:40 PM CDT, 33 minutes before
ILZ009-010-172330 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 453 PM CDT SUN JUN 17 1990 ...HEAVY THUNDERSTORM IN SOUTHERN SANGMON COUNTY... AT 539PM CDT A THUNDERSTORM PRODUCING HEAVY RAIN AND DANGEROUS LIGHTING WAS IN SOUTHERN SANGAMON BETWEEN SPRINGFIELD AND 15 MILES SOUTH OF SPRINGFIELD. IT WAS MOVING TOWARD THE EAST AT 30 TO 35 MPH. PERSONS IN ROCHESTER BUCKHART AND BOLIVIA SHOULD BE ON THE ALERT FOR WEATHER DEVELOPMENTS UNTIL THIS STORM PASSES THROUGH THE COUNTY BY 630 PM. FS
Special weather statement, Jun 17, 5:50 PM CDT, 23 minutes before
ILZ009-010-172345 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 546 PM CDT SUN JUN 17 1990 ...THUNDERSTORM PRODUCIMG HAIL IN DEWITT COUNTY... AT 546PM CDT A THUNDERSTORM PRODUCING HEAVY RAIN... MARBLE SIZED HAIL AND DANGEROUS LIGHTING WAS IN CENTRAL DEWITT COUNTY IN THE CLINTON AREA...40 MILES NORTHEAST OR SPRINGFIELD. THE DEWITT COUNTY ESDA HAD TWO REPORTS OF ONE HALF IN HAIL. THE DOWNPOUR OF RAIN REDUCED VISIBILITIES TO NEAR ZERO IN PLACES. PERSONS IN CLINTON AND WELDON SHOULD BE ON THE ALERT FOR RAPIDLY CHANGING WEATHER DEVELOPMENTS UNTIL THIS STORM PASSES THROUGH THE COUNTY BY 630 PM. FS
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 3:53 AM CDT | Severe Thunderstorm Warning | ILX | Lee, Ogle | 52 min |
| Jun 17, 4:31 AM CDT | Severe Thunderstorm Warning | ILX | DeKalb | 29 min |
| Jun 17, 5:12 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt | 63 min |
| Jun 17, 6:07 PM CDT | Tornado Warning | ILX | DeWitt, Piatt | 38 min |
| Jun 17, 6:13 PM CDT | Severe Thunderstorm Warning | ILX | Macon | 62 min |
| Jun 17, 6:21 PM CDT | Severe Thunderstorm Warning | ILX | Christian | 69 min |
| Jun 17, 6:47 PM CDT | Tornado Warning | ILX | Champaign, Piatt | 58 min |
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; the sounding from the Mesonet's radiosonde archive.