Alert archive / Illinois / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 80, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at Aug 29, 1990, 3:29 AM CDT for Menard County, Illinois. It was in force for 61 min.
The area
The counties it named.
The facts
- Issued
- Aug 29, 1990, 3:29 AM CDT (08:29 UTC)
- Expired
- Aug 29, 1990, 4:30 AM CDT
- In force
- 61 min
- Issued by
- NWS Lincoln, IL
- Area
- Whole counties
County Menard 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 00:00Z, 8.5 hours before the alert went out and 342 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
- 1355 J/kg
- Mixed-layer CIN
- -80 J/kg
- Mixed-layer LCL
- 1963 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 75 m²/s²
- 0-3 km storm-relative helicity
- 107 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.5
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KSPI 290829
SVRSPI
ILC017-137-129-167-290930-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD IL
329 AM CDT WED AUG 29 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 430 AM CDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE CENTRAL PART OF ILLINOIS
CASS...MORGAN...MENARD...SANGAMON
AT 320 AM CDT RADAR INDICATED POSSIBLE SEVERE THUNDERSTORMS OVER
MENARD AND CASS COUNTIES. THESE STORMS HAVE A HISTORY OF LARGE
HAIL AND STRONG WINDS. THESE STORMS ARE MOVING SOUTHEASTWARD AT
30 MPH.
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...
STYAY 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
DBWhat 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, Aug 28, 9:50 PM CDT, 5 hours 39 minutes before
ILZ009-010-290330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD ILLINOIS 945 PM CDT TUE AUG 28 1990 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR PORTIONS OF CENTRAL AND ALL OF EAST CENTRAL ILLINOIS UNTIL 1 AM CDT.. AT 9:30 PM CDT...RADAR INDICATED AN AREA THUNDERSTORMS TO THE NORTH OF PEORIA. THESE STORMS WERE MOVING SOUTH AT 30 MPH. NO THUNDERSTORM ACTIVITY WAS CURRENTLY PRESENT BETWEEN SPRINGFIELD AND CHAMPAIGN. THE COLD FRONT THAT WAS HELPING TO TRIGGER THUNDERSTORMS STILL LAY OVER NORTH CENTRAL ILLINOIS. THIS FRONT IS FORECAST TO MOVE THROUGH CENTRAL ILLINOIS LATER TONIGHT. AS IT MOVES THROUGH IT WILL BE CAPABLE OF PRODUCING THUNDERSTORMS. PERSONS IN CENTAL AND EAST CENTRAL ILLINOIS ARE STILL URGER TO BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND BE ALERT TO FURTHER UPDATES AND POSSIBLE WARNINGS. ATTN ISP DIST...6 9 10 FENLEY
Special weather statement, Aug 28, 10:18 PM CDT, 5 hours 11 minutes before
ILZ005-006-007-009-290415- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 1015 PM CDT TUE AUG 28 1990 ...SEVERE THUNDERSTORM WATCH UNTIL 1AM FOR WOODFORD AND MCLEAN COUNTIES... AT 1010 PM CDT...RADAR INDICATED AN AREA OF SHOWERS AND THUNDERSTORMS IN CENTRAL ILLINOIS. THE AREA EXTENDED FROM JUST EAST OF BRIMFIELD...15 MILES NORTHWEST OF PEORIA TO LONG POINT IN LIVINGSTON COUNTY...35 MILES NORTHEAST OF PEORIA. THE STONGEST THUNDERSTORMS WERE 5 MILES NORTH OF PEORIA. MOVEMENT WAS TO THE SOUTHEAST AT 30 MILES AN HOUR. THE STRONGEST PORTION SHOULD JUST PASS THE NORTHERN PORTIONS OF PEORIA CITY AND MOVE INTO WOODFORD COUNTY IN THE NEXT HOUR. A CONTINUED DECREASE IN STRENGTH OF T!HE STORMS IS LIKELY. NELSON
Special weather statement, Aug 28, 11:11 PM CDT, 4 hours 18 minutes before
ILZ010-290500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD ILLINOIS 1110 PM CDT TUE AUG 28 1990 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR EAST CENTRAL ILLINOIS UNTIL 1 AM CDT.. AT 1100 PM CDT...RADAR INDICATED AN AREA THUNDERSTORMS OVER NORTHWEST CHAMPAIGN AND NORTH PIATT COUNTY. THE STORMS WERE MOVING SOUTHEAST AND WILL MOVE INTO CHAMPAIGN WITHIN THE HOUR. LOCALLY HEAVY RAINS...STRONG GUSTY WINDS AND SOME HAIL ARE POSSmIBLE AS THESE STORMS MOVE THOUGH CHAMPAIGN. PERSONS IN EAST CENTRAL ILLINOIS ARE STILL URGER TO BE ON THE LOOKOUT FOR RAPIDLY CHANGING WEATHER CONDITINS AND SEEK SHELTER IF THREATENING WEATHER APPEARS LIKELY. ATTN ISP DIST...10 FENLEY
Special weather statement, Aug 28, 11:19 PM CDT, 4 hours 10 minutes before
ILZ005-006-007-009-290515- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 1117 PM CDT TUE AUG 28 1990 ...SEVERE THUNDERSTORM WATCH UNTIL 1AM FOR WOODFORD AND MCLEAN COUNTIES... AT 1110 PM CDT...MOST OF THE THUNDERSTORM ACTIVITY HAD DISSIPATED TO JUST SHOWERS ACROSS CENTRAL ILLINOIS. A LINE OF THUNDERSTORMS HAS DEVELOPED FROM 15 MILES NORTHEAST OF OTTUMWA IOWA TO MOLINE. THESE STORMS ARE MOVING EAST SOUTHEAST AND WILL AFFECT THE PEOvRIA AREA BETWEEN 2 AND 3 AM WEDNESDAY MORNING. THESE STORMS ARE RAPIDLY DEVELOPING AND INCREASING IN INTENSITY. MOGGED
Special weather statement, Aug 29, 1:48 AM CDT, 1 hour 41 minutes before
ILZ009-010-290745- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD ILLINOIS 145 AM CDT WED AUG 29 1990 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR CENTRAL ILLINOIS UNTIL 7 AM CDT.. AT 135 AM CDT...RADAR INDICATED AN AREA THUNDERSTORMS OVER NORTH CENTRAL ILLINOIS...NORTH OF A LINE FROM 15 MILES SOUTH OF BURLINGTON IOWA EASTWARD TO 35 MILES NORTH OF SPRINGFIELD ONTO THE INDIANA BORDER. THESE STORMS HAVE PRODUCED LOCALLY HEAVY RAIN...STRONG GUSTY WINDS AND SOME HAIL AS WELL AS DANGEROUS LIGHTNING. BE ON THE LOOKOUT FOR CONTINUALLY CHANGING WEATHER AND FUTURE STATEMENTS...WATCHES OR WARNINGS. THE STORMS WILL BE ENTERING THE FOLLOWING COUNTIES WITHIN THE NEXT 30 MINUTESa TO AN HOUR...LOGAN...MENARD...CASS...DEWITT...CHAMPAIGN AND VERMILION COUNTIES. THE STORMS WERE MOVING TO THE SOUTHEAST AT 30 MPH. ATTN ISP DISTS 9...6...10 MUNDY
Special weather statement, Aug 29, 2:58 AM CDT, 31 minutes before
ILZ005-006-007-009-290900
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
300 AM CDT TUE AUG 29 1990
...SEVERE THUNDERSTORM WATCH UNTIL 7AM FOR CENTRAL ILLINOIS...
AT 255 AM CDT...AN AREA OF STRONG THUNDERSTORMS EXTENDED FROM DECATUR TO PEORIA
WEST TO 30 MILES SOUTH OF BURLINGTON IOWA. THE STRONGEST STORMS WERE IN A LINE
FROM DECATUR TO HAVANA. THESE STORMS CONTINUE TO MOVE TO THE SOUTHEAST AT
25 MPH. THE SEVERE THUNDERSTORM WA?RNINGS FOR PEORIA...MCLEAN...MASON...
TAZEWELL...KNOX AND FULTON HAVE EXPIRED.
SOME OF THESE THUNDERSTORMS MAY PRODUCE DAMAGING WINDS...HAIL...DANGEROUS
LIGHTNING AND HEAVY RAINS.
MOGGEDThe office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 29, 1:06 AM CDT | Severe Thunderstorm Warning | ILX | Fulton, Knox, Peoria | 69 min |
| Aug 29, 1:33 AM CDT | Severe Thunderstorm Warning | ILX | Mason, Tazewell | 57 min |
| Aug 29, 1:57 AM CDT | Severe Thunderstorm Warning | ILX | McLean | 63 min |
| Aug 29, 2:26 AM CDT | Severe Thunderstorm Warning | ILX | DeWitt, Logan, Macon, Piatt | 64 min |
| Aug 29, 2:40 AM CDT | Tornado Warning | ILX | DeWitt, Macon | 35 min |
| Aug 29, 3:11 AM CDT | Severe Thunderstorm Warning | ILX | Champaign, Douglas | 64 min |
| Aug 29, 3:11 AM CDT | Severe Thunderstorm Warning | ILX | Moultrie | 64 min |
| Aug 29, 3:20 AM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 55 min |
| Aug 29, 3:29 AM CDT | Severe Thunderstorm Warning | ILX | Cass, Morgan, Sangamon | 61 min |
| Aug 29, 4:18 AM CDT | Severe Thunderstorm Warning | ILX | Christian, Shelby | 57 min |
| Aug 29, 4:47 AM CDT | Severe Thunderstorm Warning | ILX | Hancock, McDonough | 58 min |
| Aug 29, 5:01 AM CDT | Severe Thunderstorm Warning | ILX | Schuyler | 59 min |
| Aug 29, 5:23 AM CDT | Severe Thunderstorm Warning | ILX | Cass, Morgan | 67 min |
| Aug 29, 5:30 AM CDT | Severe Thunderstorm Warning | ILX | Macon, Moultrie, Shelby | 60 min |
| Aug 29, 6:05 AM CDT | Severe Thunderstorm Warning | ILX | Logan, Menard, Sangamon | 27 min |
| Aug 29, 6:34 AM CDT | Severe Thunderstorm Warning | ILX | McDonough, Schuyler | 26 min |
| Aug 29, 6:34 AM CDT | Severe Thunderstorm Warning | ILX | Fulton, Mason | 56 min |
| Aug 29, 7:28 AM CDT | Severe Thunderstorm Warning | ILX | Coles, Douglas | 32 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.