Alert archive / Illinois / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 41, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at Jun 17, 1990, 5:12 PM CDT for DeWitt County, Illinois. It was in force for 63 min.
The area
The counties it named.
The facts
- Issued
- Jun 17, 1990, 5:12 PM CDT (22:12 UTC)
- Expired
- Jun 17, 1990, 6:15 PM CDT
- In force
- 63 min
- Issued by
- NWS Lincoln, IL
- Area
- Whole counties
County DeWitt 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, 10.2 hours before the alert went out and 346 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 172212
SVRSPI
ILC039-172315-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD IL
512 PM CDT SUN JUN 17 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 615 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTY
IN THE CENTRAL PART OF ILLINOIS
DE WITT
AT 508PM CDT RADAR INDICATED A SEVERE THUNDERSTORM IN WESTERN
DEWITT COUNTY 40N MKLES NORTHEAST OF SPRINGFIELD. IT WAS MOVING
TOWARD THE EAST AT 30 TO 35 MPH.
THE SHERIFF OF DEWITT COUNTY REPORTED GOLFBALL SIZED HAIL AT
MIDLAND CITY.
PERSONS IN CLINTON AND WELDON SHOULD BE ON THE ALERT FOR RAPIDLY
CHANGING WEATHER CONDITIONS.
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... 6
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, 11:32 AM CDT, 5 hours 40 minutes before
ILZ005-006-007-009-171500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 1135 AM CDT SUN JUN 17 1990 THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS IN NORTHERN AND CENTRAL ILLINOIS THIS AFTERNOON AND EARLY EVENING. A COLD FRONT ACROSS IOWA IS MOVING SLOWLY EAST INTO VERY WARM AND UNSTABLE AIR. SKIES ARE MOSTLY CLEAR OVER CENTRAL ILLINOIS WHICH WILL ALOW FOR ADDITIONAL HEATING...WITH TEMPERATURES EXPECTED TO RISE INTO THE 90S THIS AFTERNOON. THE HOT...MOIST AIR WILL BE LIFTED BY THE APPROACHING COLD FRONT AND WILL SET THE STAGE FOR THUNDERSTORMS TO DEVELOPE RAPIDLY THIS AFTERNOON AND CONTINUE INTO EARLY EVENING. SOME OF THE STORMS COULD BE SEVERE AS THEY MOVE THROUGH IELLINOIS. STAY TUNED TO NOAA WEATHER RADIO...OR LOCAL TELEVISION AND RADIO STATIONS FOR UPDATES ON THE POTENTIAL FOR SEVERE WEATHER. STUMETZ
Special weather statement, Jun 17, 11:36 AM CDT, 5 hours 36 minutes before
ILZ005-006-007-009-171500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 1135 AM CDT SUN JUN 17 1990 THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS IN NORTHERN AND CENTRAL ILLINOIS THIS AFTERNOON AND EARLY EVENING. A COLD FRONT ACROSS IOWA IS MOVING SLOWLY EAST INTO VERY WARM AND UNSTABLE AIR. SKIES ARE MOSTLY CLEAR OVER CENTRAL ILLINOIS WHICH WILL ALLOW FOR ADDITIONAL HEATING...WITH TEMPERATURES EXPECTED TO RISE INTO THE 90S THIS AFTERNOON. THE HOT...MOIST AIR WILL BE LIFTED BY THE APPROACHING COLD FRONT AND WILL SET THE STAGE FOR THUNDERSTORMS TO DEVELOPE RAPIDLY THIS AFTERNOON AND CONTINUE INTO EARLY EVENING. SOME OF THE STORMS COULD BE SEVERE AS THEY MOVE THROLUGH ILLINOIS. STAY TUNED TO NOAA WEATHER RADIO...OR LOCAL TELEVISION AND RADIO STATIONS FOR UPDATES ON THE POTENTIAL FOR SEVERE WEATHER. STUMETZ
Special weather statement, Jun 17, 3:28 PM CDT, 1 hour 44 minutes before
ILZ005-006-007-009-172130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 325 PM CDT SUN JUN 17 1990 ...TORNADO WATCH IS IN EFFECT FOR WESTERN AND CENTRAL ILLINOIS UNTIL 1000 PM CDT... AT 320 PM CDT RADAR INDICATED SCATTERED SHOWERS AND THUNDERSTORMS DEVELOPING OVER WESTERN AND CENTRAL ILLINOIS. THE SHOWERS AND STORMS WERE DEVELOPING WEST OF A LINE FROM MOLINE TO 25 MILES NORTH OF SPRINGFIELD. THE STRONGEST STORM WAS IN EASTERN MASON COUNTY NEAR MASON CITY...25 MILES NORTH OF SPRINGFIELD. MOVEMENT 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. PEOPL>E 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 STATEMENTS AND POSSIBLE WARNINGS. . MILLER
Special weather statement, Jun 17, 4:30 PM CDT, 42 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, 14 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, 13 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
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, 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, 6:13 PM CDT | Severe Thunderstorm Warning | ILX | Macoupin, Montgomery | 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.