Alert archive / Illinois / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 30, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at Jun 7, 1990, 5:09 PM CDT for Cass County, Morgan County, Illinois. It was in force for 41 min.
The area
The counties it named.
The facts
- Issued
- Jun 7, 1990, 5:09 PM CDT (22:09 UTC)
- Expired
- Jun 7, 1990, 5:50 PM CDT
- In force
- 41 min
- Issued by
- NWS Lincoln, IL
- Area
- Whole counties
Counties Cass County, IL, Morgan 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 336 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
- 27 kt
- 0-1 km storm-relative helicity
- 122 m²/s²
- 0-3 km storm-relative helicity
- 94 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.8
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KSPI 072209
SVRSPI
ILC017-137-072315-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD IL
509 PM CDT THU JUN 7 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 615 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE CENTRAL PART OF ILLINOIS
CASS...MORGAN
AT 510 PM CDT WEATHER RADARS INDICATED A LINE OF SEVERE THUNDER-
STORMS FROM JUST WEST OF BEARDSTOWN ILLINOIS EXTENDING SOUTH INTO
SCOTT COUNTY.
THE SEVERE THUNDERSTORMS WAS MOVING EAST 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.
ATTN ISP DIST...9
HILLIARDWhat 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 7, 11:45 AM CDT, 5 hours 24 minutes before
ILZ009-010-071730- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 1140 AM CDT THU JUN 7 1990 ...SHOWERS AND THUNDERSTORMS MOVING INTO NORTHERN CASS AND MENARD COUNTIES... AT 1135 AM CDT...THUNDERSTORMS WITH VERY HEAVY RAIN POSSIBLE STRONG GUSTY WINDS HAIL AND DANGEROUS LIGHTNING WERE MOVING TO THE EAST AT 30 TO 35 MILES AN HOUR AND SHOULD MOVE INTO NORTHERN CASS AND MENARD COUNTIES WITHIN THE NEXT 20 MINUTES. BE ON THE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS. MUNDY
Special weather statement, Jun 7, 12:18 PM CDT, 4 hours 51 minutes before
ILZ006-009-071800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 1215 PM CDT THU JUN 7 1990 ...STRONG THUNDERSTORMS IN WEST CENTRAL ILLINOIS... AT 1210 PM CDT RADAR INDICATED A LINE OF THUNDERSTORMS FROM GALESBURG SOUTH TO WESTERN MASON COUNTY. THE STRONGEST STORM WAS IN WESTERN MASON COUNTY JUST SOUTHWEST OF HAVANA... 60 MILES SOUTHWEST OF PEORIA. HEAVY RAIN...PEA SIZED HAIL... AND GUSTY WINDS WERE REPORTED WHEN THESE STORMS PAS SED THROUGH RUSHVILLE JUST BEFORE NOON. THESE STORMS WERE MOVING EAST AT 35 MILES AN HOUR. ROEPKE
Special weather statement, Jun 7, 4:09 PM CDT, 1 hour before
ILZ009-010-072215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 408 PM CDT THU JUN 7 1990 ...TORNADO WATCH UNTIL 8PM CDT FOR PORTIONS OF CENTRAL ILLINOIS... AT 405 PM CDT...A LARGE AREA OF SHOWERS AND THUNDERSTORMS WERE WEST OF A LINE FROM JUST WEST OF ST.LOUIS MISSOURI TO 40 MILES SOUTHWEST OF SPRINGFIELD TO NORTH OF PEORIA ILLINOIS. THE STRONGEST STORMS WERE JUST WEST OF ST.LOUIS AND NEAR QUINCY ILLINOIS. THE SHOWERS EAND THUNDERSTORMS WAS MOVING EAST AT 30 MPH. NO SEVERE WEATHER HAS BEEN REPORTED TO THE NATIONAL WEATHER SERVICE OFFICE IN SPRINGFIELD DURING THE PAST HOUR. HILLIARD
Special weather statement, Jun 7, 4:43 PM CDT, 26 minutes before
ILZ009-010-072215- SPECIAL WEATHER STATEMENT ...RESENDING... NATIONAL WEATHER SERVICE SPRINGFIELD IL 408 PM CDT THU JUN 7 1990 ...TORNADO WATCH UNTIL 8PM CDT FOR PORTIONS OF CENTRAL ILLINOIS... AT 405 PM CDT...A LARGE AREA OF SHOWERS AND THUNDERSTORMS WERE WEST OF A LINE FROM JUST WEST OF ST.LOUIS MISSOURI TO 40 MILES SOUTHWEST OF SPRINGFIELD TO NORTH OF PEORIA ILLINOIS. THE STRONGEST STORMS WERE JUST WEST OF ST.LOUIS AND NEAR QUINCY ILLINOIS. THE SHOWERS AND THUNDERSTORMS WAS MOVING EAST AT 30 MPH. NO SEVERE WEATHER HAS BEEN REPORTED TO THE NATIONAL WEATHER SERVICE OFFICE IN SPRINGFIELD DURING THE PAST HOUR. HILLIARD
Special weather statement, Jun 7, 5:01 PM CDT, 8 minutes before
ILZ009-010-072315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 500 PM CDT THU JUN 7 1990 ...TORNADO WATCH UNTIL 8PM CDT FOR PORTIONS OF CENTRAL ILLINOIS... AT 455 PM CDT...A LARGE AREA OF SHOWERS AND THUNDERSTORMS WERE WEST OF A LINE FROM JUST WEST OF BLOOMINGTON ILLINOIS TO 15 MILES WEST OF SPRINGFIELD TO NEAR BELLEVILLE ILLINOIS. THE STRONGEST STORMS WERE 15 MILE EAST OF ST.LOUIS AND NEAR PITTSFIELD ILLINOIS AND JUST WEST OF BEARDSTOWN ILLINOIS. THE SHOWERS AND THUNDERSTORMS WAS MOVING EAST AT 30 MPH. NO SEVERE WEATHER HAS BEEN REPORTED TO THE NATIONAL WEATHER SERVICE OFFICE IN SPRINGFIELD DURING THE PAST HOUR. HILLIARD
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.