Alert archive / Illinois / Severe Thunderstorm Warnings in 1988
Severe Thunderstorm Warning 39, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at Aug 8, 1988, 7:42 PM CDT for Stephenson County, Winnebago County, Illinois. It was in force for 48 min.
The area
The counties it named.
The facts
- Issued
- Aug 8, 1988, 7:42 PM CDT (00:42 UTC)
- Expired
- Aug 8, 1988, 8:30 PM CDT
- In force
- 48 min
- Issued by
- NWS Lincoln, IL
- Area
- Whole counties
Counties Stephenson County, IL, Winnebago 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
Peoria Regional, IL (KPIA), launched 00:00Z, 0.7 hours before the alert went out and 187 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
- 2160 J/kg
- Mixed-layer CIN
- -62 J/kg
- Mixed-layer LCL
- 1609 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 52 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 KRFD 090042
SVRRFD
ILC177-203-090130-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ROCKFORD IL
742 PM CDT MON AUG 8 1988
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 830 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE NORTHWEST PART OF ILLINOIS
EASTERN STEPHENSON...
IN THE NORTH CENTRAL PART OF ILLINOIS
WINNEBAGO...
AT 727 PM CDT THE STEPHENSON COUNTY SHERIFF DEPARTMENT
REPORTED SOME TREES AND POWER LINES DOWN IN FREEPORT ILLINOIS IN
CENTRAL STEPHENSON COUNTY IN NORTHERN ILLINOIS. RADAR INDICATED
THE STORMS WERE MOVING TO THE EAST AT 30 MPH.
SOME COMMUNITIES AFFECTED BY THIS SEVERE THUNDERSTORM...
PECATONICA AND ROCKFORD ILLINOIS IN WINNEBAGO COUNTY.
IF YOU ARE IN AN AREA THREATENED BY THE STORM... GO TO A REINFORECED
SHELTER. SEVERE THUNDERSTORMS CAN PRODUCE WINDS OF 60 MPH OR
GREATER... LARGE HAIL... DANGEROUvS LIGHTNING AND HEAVY RAIN THAT
CAN QUICKLY FLOOD A LOW LYING AREA.
ATTN: ISP DIST 16 HELGERSONWhat 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 8, 2:36 PM CDT, 5 hours 6 minutes before
.....HEAVY THUNDERSTORMS DEVELOPING OVER CENTRAL ILLINOIS..... AT 230 PM CDT RADAR INDICATED AN AREA OF STRONG THUNDERSTORMS FROM ABOUT 10 MILES SOUTHWEST OF PEORIA TO ABOUT 40 MILES NORTHEAST OF QUINCY. THE HEAVIEST STORMS WERE LOCATED ALONG AND JUST NORTHWEST OF THE ILLINOIS RIVER NEAR HAVANA TO ABOUT 20 MILES SOUTHWEST OF HAVANA. THEY WERE MOVING EAST AT ABOUT 15 MPH. HEAVY RAIN HAS BEEN REPORTED AT LEWISTOWN ABOUT 30 MILES SOUTHWEST OF PEORIA. THESE STORMS MAY PRODUCE LOCALLY HEAVY RAIN...GUSTY WINDS TO AROUND 35 MPH...DANGEROUS LIGHTNING AND SMALL HAIL. THEY WILL BE MOVING ACROSS MASON AND TAZEWELL COUNTIES BETWEEN 230PM AND 400 PM CDT. ARMBRUST
Special weather statement, Aug 8, 3:29 PM CDT, 4 hours 13 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
330 PM CDT MON AUG 8 1988
...STRONG THUNDERSTORMS OVER SOUTHERN MASON COUNTY...
AT 325 PM CDT...WEATHER SERVICE RADAR INDICATED A STRONG THUNDERSTORM
JUST NORTH OF CHANDLERVILLE...45 MILES SOUTHWEST OF PEORIA. THIS
THUNDERSTORM IS MOVING EAST...NORTHEAST AT 15 MILES AN HOUR AND WILL
BE AFFECTING PERSONS IN KILBOURNE AND MASON CITY DURING THE NEXT HOUR.
HEAVY RAINS AND DANGEROUS LIGHTNING CAN BE EXPECTED WITH THIS STORM.
OTHER WIDELY SCATTERED SHOWERS AND STORMS CONTINUED OVER PORTIONS OF
SOUTHERN PEORIA COUNTY...JUST SOUTH OF THE CITY OF PEORIA...AND BETWEEN
PEORIA AND QUINCY.
J LAST
ATTN ISP DIST...9Special weather statement, Aug 8, 4:57 PM CDT, 2 hours 45 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 455 PM CDT MON AUG 8 1988 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 900 PM FOR PORTIONS OF WEST CENTRAL ILLINOIS... AT 450 PM CDT...WEATHER RADAR INDICATED SCATTERED SHOWERS AND THUNDERSTORMS OVER PORTIONS OF CENTRAL ILLINOIS. A HEAVY STORM WAS LOCATED NEAR CHANDLERVILLE...45 MILES SOUTHWEST OF PEORIA. ANOTHER STRONG THUNDERSTORM WAS LOCATED 5 MILES SOUTH OF BURLINGTON IOWA...CROSSING THE MISSISSIPPI RIVER INTO SOUTHERN HENDERSON COUNTY NEAR LOMAX AND DALLAS CITY ILLINOIS. THE SHOWERS AND THUNDERSTORMS ARE MOVING SLOWLY TO THE EAST AT 10 MILES AN HOUR. HEAVY RAIN...DANGEROUS LIGHTNING...STRONG WINDS AND HAIL ARE POSSIBLE IN THESE THUNDERSTORMS THROUGH THE EVENING HOURS. REMEMBER...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF WEST CENTRAL AND NORTHWEST ILLINOIS UNTIL 900 PM CDT. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. J LAST
Special weather statement, Aug 8, 5:43 PM CDT, 1 hour 59 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 543 PM CDT MON AUG 8 1988 ...SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM FOR PORTIONS OF WEST CENTRAL ILLINOIS... AT 540 PM CDT...WEATHER RADAR INDICATED SCATTERED SHOWERS AND THUNDERSTORMS OVER PORTIONS OF CENTRAL ILLINOIS. A HEAVY STORM WAS LOCATED JUST SOUTHEAST OF MONMOUTH IN CENTRAL WARREN COUNTY... 50 MILES WEST OF PEORIA. ANOTHER STORM WAS LOCATED 15 MILES SOUTHWEST OF BURLINGTON IOWA...ON THE MISSISSIPPI RIVER...ENTERING SOUTHERN HENDERSON COUNTY. THE SHOWERS AND THUNDERSTORMS ARE MOVING TO THE EAST AT 15 MILES AN HOUR. DANGEROUS LIGHTNING...HEAVY RAINS...STRONG WINDS AND HAIL ARE POSSIBLE IN THESE STORMS THROUGH THE EVENING HOURS. REMEMBER...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF WEST CENTRAL AND NORTHWEST ILLINOIS UNTIL 900 PM CDT. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. J LAST
Special weather statement, Aug 8, 6:51 PM CDT, 51 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 650 PM CDT MON AUG 8 1988 ...SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR MUCH OF NORTHERN AND WEST CENTRAL ILLINOIS... AT 645 PM CDT...WEATHER RADAR INDICATED SCATTERED SHOWERS AND THUNDERSTORMS OVER PORTIONS OF CENTRAL ILLINOIS. A LINE OF STRONG THUNDERSTORMS EXTENDED FROM MOLINE ILLINOIS...SOUTHWEST TO BURLINGTON IOWA OVER THE MISSISSIPPI RIVER. THIS LINE OF THUNDERSTORMS WAS SLOWLY MOVING EAST AT 15 MILES AN HOUR AND WILL BE AFFECTING THE COUNTIES OF HENDERSON AND NORTHERN HANCOCK DURING THE NEXT COUPLE OF HOURS. OTHER SHOWERS AND THUNDERSTORMS WERE LOCATED OVER SOUTHWEST KNOX COUNTY...NEAR ABINGDON...45 MILES WEST OF PEORIA. DANGEROUS LIGHTNING...HEAVY RAINS...STRONG WINDS AND HAIL ARE POSSIBLE WITH THESE STORMS THROUGH THE EVENING HOURS. REMEMBER...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM FOR WEST CENTRAL AND NORTHERN ILLINOIS...AND UNTI)L MIDNIGHT FOR NORTHEAST ILLINOIS. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. J LAST
Special weather statement, Aug 8, 7:41 PM CDT, 1 minute before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 740 PM CDT MON AUG 8 1988 ...SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR MUCH OF NORTHERN AND WEST CENTRAL ILLINOIS... AT 735 PM CDT...WEATHER RADAR INDICATED STRONG THUNDERSTORMS OVER WESTERN KNOX COUNTY 10 MILES NORTHWEST OF GALESBURG...OR 45 MILES WEST..NORTHWEST OF PEORIA. OTHER SHOWERS AND THUNDERSTORMS CONTINUED IN A LINE FROM 20 MILES EAST OF MOLINE ILLINOIS...SOUTHWEST TO 30 MILES SOUTH OF BURLINGTON IOWA. MOVEMENT OF THE SHOWERS AND STORMS WAS TO THE EAST AT 15 MILES AN HOUR...ALTHOUGH THE SOUTHERN EXTENT OF THE RAIN...SOUTH OF BURLINGTON...WAS NEARLY STATIONARY. DANGEROUS LIGHTNING...HEAVY RAINS...AND STRONG WINDS TO 45 MILES AN HOUR CAN BE EXPECTED WITH THE THUNDERSTORMS. REMEMBER...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM FOR WEST CENTRAL AND NORTHERN ILLINOIS...AND UNTIL MIDNIGHT FOR NORTHEAST ILLINOIS. PERSONS IN THESE AREAS SHuOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. J LAST
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 8, 7:42 PM CDT | Severe Thunderstorm Warning | ILX | Woodford | 48 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 1988Every severe thunderstorm warning in 1988
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.