Alert archive / Illinois / Severe Thunderstorm Warnings in 1988

Severe Thunderstorm Warning 2, NWS Lincoln, IL

April 5, 1988Warren County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Apr 5, 1988, 6:18 PM CDT for Warren County, Illinois. It was in force for 57 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Apr 5, 1988, 6:18 PM CDT (23:18 UTC)
Expired
Apr 5, 1988, 7:15 PM CDT
In force
57 min
Issued by
NWS Lincoln, IL
Area
Whole counties

County Warren County, IL

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
Apr 5, 7:05 PM CDTHail 0.75Warren, IL

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Peoria Regional, IL (KPIA), launched 12:00Z, 11.3 hours before the alert went out and 88 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.

Skew-T log-pSkew-T log-p diagram, Peoria Regional, IL at 12:00Z on 1988-04-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peoria Regional, IL at 12:00Z on 1988-04-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 90 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2059 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
90 m²/s²
0-3 km storm-relative helicity
108 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KPIA 052318
SVRPIA
ILC187-060000-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE PEORIA IL
618 PM CDT TUE APR 5 1988

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 700 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE WEST CENTRAL PART OF ILLINOIS
      NORTHERN WARREN

AT 610 A SEVERE THUNDERSTORM WAS INDICATED BY RADAR MOVING INTO
WEST CENTRAL WARREN COUNTY 15 MILES SOUTHWEST OF MONMOUTH.

PEA SIZE HAIL WAS REPORT AT BIGGSVILLE IN EASTERN HENDERSON COUNTY
AT 600 PM.  THIS THUNDERSTORM WAS INCREASING IN INTENSISTY AS IT
MOVED INTO WARREN COUNTY

IF YOU ARE IN AN AREA THREATENED BY THE STORM..GO TO A REINFORECED
SHELTER AND PREPARE FOR DAMAGING WIND...LARGE HAIL...VERY HEAVY
RAIN AND LIGHTNING.

REMEMBER...SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
A TORNADO WITH LITTLE OR NO ADVANCE WARNING SO BE ON THE LOOKOUT.

INTENSE LIGHTNINLG IS REPORTED WITH THIS STORM.  IF OUTDOORS...
STAY AWAY FROM HIGH OBJECTS.  MOVE INDOOR IF POSSIBLE.  WHEN
INDOORS...STAY AWAY FROM WINDOWS AND DOORS AND AVOID USING
TELEPHONES AND ELECTRICAL EQUIPMENT.

ATTN ISP 14

NADOLSKI

What 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, Apr 5, 4:46 PM CDT, 1 hour 32 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
445 PM CDT TUE APR 5 1988

...TORNDAO WATCH NUMBER 48 IS IN EFFECT UNTIL 1000 PM CDT FOR ALL
OF NORTH CENTRAL ILLINOIS...

A TORNADO WATCH IS IN EFFECT UNTIL 1000 PM CDT TONIGHT FOR ALL
OF NORTH CENTRAL ILLINOIS.  EVEN THOUGH THERE HAS BEEN NO SEVERE
WEATHER REPORTED IN ILLINOIS AS OF 440 PM THIS AFTERNOON...A LINE OF
SHOWERS AND THUNDERSTORMS...SOME WITH VERY HEAVY RAIN...WAS INDICATED
ON RADAR FROM SOUTHEAST IOWA THROUGH NORTHEAST AND EAST CENTRAL
MISSOURI.

NO MOVEMENT WAS DETECTED AT THIS TIME.

REMEMBER A WATCH MEANS THAT CONDITIONS ARE RIGHT FOR THE FORMATION OF
TORNADOES AND SEVERE THUNDERSTORMS IN AND COLOSE TO THE WATCH AREA.
PERSONS IN AND AROUND THE WATCH AREA SHOULD REMAIN ALERT TO CHANGING
WEATHER CONDITIONS.  IF THREATENING WEATHER DOES APPROACH YOU
SHOULD GO TO A PLACE OF SAFETY.

NADOLSKI/WSO PEORIA
Special weather statement, Apr 5, 5:45 PM CDT, 33 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
545 PM CDT TUE APR 5 1988

...TORNDAO WATCH NUMBER 48 IS IN EFFECT UNTIL 1000 PM CDT FOR ALL
OF NORTH CENTRAL ILLINOIS...

AT 540 PM CDT THIS EVENING RADAR INDICATED A LINE OF THUNDERSTORMS
THAT EXTENDED FROM BURLINGTON IOWA...TO JUST WEST OF QUINCY AND INTO
NORTHEAST AND EAST CENTRAL MISSOURI.  THE HEAVIEST STORM IN ILLINOIS
WAS LOCACTED NEAR LOMAX IN SOUTHWEST HENDERSON COUNTY.  THIS IS 75
MILES WEST SOUTHWEST OF PEORIA.

MOVEMENT OF THESE THUNDERSTORMS WAS NORTHEAST AT 35 MPH.

PERSONS IN AND AROUND THE WATCH AREA SHOULD REMAIN ALERT TO CHANGING
WEATHER CONDITIONS.  IF THREATENING WEATHER DOES APPROACH YOU GO TO
A REINFORCED& SHELTER.

NADOLSKI/WSO PEORIA

The office that day

Everything else NWS Lincoln, IL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 5, 6:00 PM CDTSevere Thunderstorm WarningILXCarroll45 min
Apr 5, 6:47 PM CDTSevere Thunderstorm WarningILXKnox, Warren43 min
Apr 5, 6:53 PM CDTSevere Thunderstorm WarningILXStephenson, Winnebago52 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.