Alert archive / Illinois / Severe Thunderstorm Warnings in 1988
Severe Thunderstorm Warning 21, NWS Quad Cities, IA
NWS Quad Cities, IA issued this severe thunderstorm warning at Aug 8, 1988, 6:52 PM CDT for Henry County, Rock Island County, Whiteside County, Illinois. It was in force for 38 min.
The area
The counties it named.
The facts
- Issued
- Aug 8, 1988, 6:52 PM CDT (23:52 UTC)
- Expired
- Aug 8, 1988, 7:30 PM CDT
- In force
- 38 min
- Issued by
- NWS Quad Cities, IA
- Area
- Whole counties
Counties Henry County, IL, Rock Island County, IL, Whiteside 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 12:00Z, 11.9 hours before the alert went out and 108 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
- 1444 J/kg
- Mixed-layer CIN
- -129 J/kg
- Mixed-layer LCL
- 1083 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 86 m²/s²
- 0-3 km storm-relative helicity
- 49 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 KMLI 082352
SVRMLI
IAC163-ILC161-073-195-090030-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOLINE IL
652 PM CDT MON AUG 8 1988
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 730 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE EXTREME EAST PART OF IOWA
EASTERN SCOTT...
IN THE NORTHWEST PART OF ILLINOIS
ROCK-ISLAND...NORTHERN HENRY...SOUTHWEST WHITESIDE...
AT 645 PM CDT SEVERE THUNDERSTORMS WERE INDICATED BY RADAR 10 MILES
NORTHWEST OF DAVENPORT AND 7 MILES WEST OF MOLINE. THESE
THUNDERSTORMS WERE MOVING TO THE EAST A 20 MPH.
SEVERE THUNDERSTORMS CAN PRODUCE ANY OR ALL OF THE FOLLOWING...
DAMAGING WINDS OF 60 MPH OR MORE...LARGE HAIL...DEADLY LIGHTNING
...AND HEAVY RAINS THAT CAN QUICKLY FLOOD LOW LYING AREAS. PEOPLE
IN THE PATH OF THIS STORM SHOULD TAKE COVER IMMEDIATELY.
IF TIME PERMITS...ASK THE NEAREST LAW ENFORCEM(ENT AGENCY TO RELAY
YOUR REPORT OF SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE.
ATTN ISP 7 AND 1
LEWISWhat 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, 4:39 PM CDT, 2 hours 13 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DUBUQUE IA 440 PM CDT MON AUG 8 1988 ...SEVERE THUNDERSTORM WATCH FOR MOST OF THE TRI-STATE AREA UNTIL 900 PM CDT THIS MONDAY EVENING... THUNDERSTORMS HAD RETURNED TO THE SOUTHERN SECTIONS OF THE TRI-STATE AREA AT 435PM CDT THIS MONDAY EVENING. THESE STORMS WERE MOVING TO THE NORTHEAST AT 25 TO 30 MILES AN HOUR AND COULD PRODUCE STRONG WINDS...HEAVY RAINS AND SMALL HAIL AS THEY MOVE THROUGH THE AFFECTED AREAS. PERSONS IN THE SOUTHERN SECTIONS OF THE TRI-STATE AREA SHOULD BE ALERT TO CHANGING WEATHER CONDITIONS. THE CENTRAL PORTION OF THE TRI-STATE AREA SHOULD BE AFFECTED WITHIN THE NEXT TWO HOURS. TO REPORT SEVERE WEATHER PLEASE CgONTACT YOUR LOCAL LAW ENFORCEMENT AGENCY. BAILEY
Special weather statement, Aug 8, 5:11 PM CDT, 1 hour 41 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOLINE IL
510 PM CDT MON AUG 8 1988
...SEVERE THUNDERSTORMS IN EASTERN IOWA AND WARNING IN EFFECT
UNTIL 515 PM CDT...
AT 505 PM CDT...RADAR SHOWED AN AREA OF SHOWERS AND THUNDERSTORMS
...SOME SEVERE...EXTENDING FROM MAQUOKETA IOWA...40 MILES NORTH OF
THE QUAD CITIES DOWN TO JUST WEST OF MUSCATINE IOWA.
LARGE TREES WERE BLOWN DOWN AT PLAINVIEW IOWA ABOUT 18 MILES NORTH
WEST OF THE QUAD CITIES AT 502 PM CDT.
MOVEMENT OF THE STORMS WAS TO THE NORTHEAST 25 TO 30 MPH.
WIGGINS
]Special weather statement, Aug 8, 5:25 PM CDT, 1 hour 27 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOLINE IL
525 PM CDT MON AUG 8 1988
...STRONG THUNDERSTORMS IN EASTERN IOWA MOVED INTO WESTERN
ILLINOIS...
AT 520 PM CDT AN AREA OF HEAVY SHOWERS AND STRONG THUNDERSTORMS
COVERED MUCH OF EAST CENTRAL IOWA AND EXTREME WESTERN EDGES OF
OF NORTHWESTERN ILLINOIS.
SOME OF THE STRONGER THUNDERSTORMS WILL PRODUCE HEAVY RAIN...
HAIL AND WIND GUSTS IN EXCESS OF 40 MPH.
THE LEADING EDGE OF THE THUNDERSTORMS EXTENDED FROM CLINTON IOWA
THROUGH THE QUAD CITIES DOEN TO MOUNT PLEASANT IN SOUTHEASTERN IOWA.
WIGGIN
]Special weather statement, Aug 8, 6:01 PM CDT, 51 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOLINE IL
601 PM CDT MON AUG 8 1988
...SEVERE THUNDERSTORM WARNING IN EFFECT FOR EASTERN
CLINTON COUNTY IOWA UNTIL 615 PM CDT...
...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 9 PM CDT...
AT 555 PM CDT RADAR SHOWED A STRONG...POSSIBLY SEVERE...THUNDER
STORM CLUSTER OVER EASTERN CLINTON COUNTY IN EATERN IOWA ABOUT
25 MILES NORTH OF THE QUAD CITIES.
HEAVY DOWNPOURS...PEA SIZE HAIL AND STRON WIND GUSTS HAD BEEN
REPORTED AT DEWITT IOWA AT 550 PM. DEWITT IS 22 MILES NORTH
OF THE QUAD CITIES.
OTHER STRONG THUNDERSTORMS WERE MOVING INTO WESTERN MUSCATINE
COUNTY IOWA ABOUT 30 TO 35 MILES WEST OF THE QUAD CITIES.
WIGGINS
"
]Special weather statement, Aug 8, 6:16 PM CDT, 36 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOLINE IL
615 PM CDT MON AUG 8 1988
...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 9 PM CDT...
AT 610 PM CDT RADAR SHOWED A CLUSTER OF STRONG THUNDERSTORMS
IN SCOTT AND MUSCATINE COUNTIES IN EASTERN IOWA.
THE STRONGEST WERE NEAR WALCOTT AND DONOHUE IOWA ABOUT 16
MILES WEST TO NORTHWEST OF THE QUAD CITIES.
STRONG GUSTY WINDS ALONG WITH HEAVY DOWNPOURS OF RAIN AND
SMALL HAIL ARE LIKLEY TO ACCOMPANY THESE STORMS AS THEY MOVE
EAST TO NORTHEAST 25 MPH.
WIND GUSTS IN EXCESS OF 40 MPH SHOULD REACH QUAD CITY METRO
AREA BY 630 PM CDT. HEAVY RAIN WILL REDUCE VISIBILITY.
WIGGINS
+ ]Special weather statement, Aug 8, 6:52 PM CDT, 0 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DUBUQUE IA 550 PM CDT MON AUG 8 1988 ...SEVERE THUNDERSTORM WATCH FOR MOST OF THE TRI-STATE AREA UNTIL 900 PM CDT THIS MONDAY EVENING... AT 545 PM CDT THUNDERSTORMS AND RAIN CONTINUED IN THE TRI-STATE AREA. THE STORMS HAD PRODUCED HEAVY RAIN WHICH DUMPED 1.12 INCHES OF RAIN AT THE DUBUQUE MUNICIPAL AIRPORT IN 15 MINUTES ALONG WITH WIND GUSTS OF UP TO 40 MILES AN HOUR. MOVEMENT OF THESE STORMS WAS TO THE NORTHEAST AT 30 MILES AN HOUR AND WILL CONTINUE TO AFFECT MOST OF THE TRI-STATE AREA DURING THE NEXT FEW HOURS. PEOPLE IN THE AFFECTED AREAS SHOULD CONTINUE TO MONITOR COMMERICAL RADIO...TELEVISION...OR NOAA WEATHER RADIO STATIONS FOR THE LATEST DEVELOPMENTS. IF THREATENING WEATHER APPROACHES...SEEK SHELTER. TO REPORT SEVERE WEATHER CONTACT YOUR LOCAL LAW ENFORCEMENT AGENCY AND ASK THE TO RELAY THE INFORMATION TO THE NATIONAL WEATHER SERVICE. BAILEY
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.