Alert archive / Illinois / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 37, NWS Lincoln, IL

June 16, 1990Hancock County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Jun 16, 1990, 5:12 PM CDT for Hancock County, Illinois. It was in force for 48 min.

The area

The counties it named.

The facts

Issued
Jun 16, 1990, 5:12 PM CDT (22:12 UTC)
Expired
Jun 16, 1990, 6:00 PM CDT
In force
48 min
Issued by
NWS Lincoln, IL
Area
Whole counties

County Hancock 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

Topeka, KS (KTOP), launched 12:00Z, 10.2 hours before the alert went out and 413 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, Topeka, KS at 12:00Z on 1990-06-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2508 joules per kilogram.LCLLFCEL10008507005003002001001 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, Topeka, KS at 12:00Z on 1990-06-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 234 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
2508 J/kg
Mixed-layer CIN
-118 J/kg
Mixed-layer LCL
783 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
234 m²/s²
0-3 km storm-relative helicity
231 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 162212
SVRPIA
ILC067-162300-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE PEORIA IL
512 PM CDT SAT JUN 16 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 600 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE WEST CENTRAL PART OF ILLINOIS
      NORTHERN HANCOCK

AT 510 PM CDT HANCOCK COUNTY SHERIFF REPORTED 60 TO 70 MPH WINDS
AT THE NAUVOO STATE PARK...25 MILES SOUTH SOUTHWEST OF BURLINGTON.
ONE-HALF INCH HAIL WAS ALSO REPORTED WITH THIS STORM. MOVEMENT WAS
TO THE EAST AT 30 MILES AN HOUR.

TOWNS IN THE PATH OF THIS STORMS INCLUDE POWELLTON...COLUSA AND
LA HARPE.

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.

THIS SLOW MOVING THUNDERSTORM MAY CAUSE FLOODING OF SMALL STREAMS
AND UNDERPASSES.

ATTN ISP...DIST 14

MILLER

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, Jun 16, 1:56 PM CDT, 3 hours 16 minutes before
ILZ009-162000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
155 PM CDT SAT JUN 16 1990

...SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 7 PM CDT FOR MASON
   CASS...MENARD..LOGAN..AND SANGAMON COUNTIES OF CENTRAL ILLINOIS

AT 150 PM CDT WEATHER RADAR INDICATED NO THUNDERSTORM ACTIVITY OVER
CENTAL ILLINOIS. HOWEVER DUE TO HOT AND HUMID CONDITIONS NOW PRESENT
OVER CENTRAL ILLINOIS..THUNDERSTORMS ARE FORECAST TO DEVELOP. SOME OF
THESE STORMS COULD REACH SEVERE LEVELS.

PERSONS ARE URGED TO SEEK COVER IN A REINFORCED SHELTER SHOULD
THREATENING WEATHER DEVELOP. SOME OF THE STORMS MAY BE CAPABLE OF
PRODUCING HAIL...DAMAGING WINDS AND DANGEROUS LIGHTNING.

FENLEY
Special weather statement, Jun 16, 2:49 PM CDT, 2 hours 23 minutes before
ILZ005-006-007-009-162100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
245 PM CDT SAT JUN 16 1990

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 700 PM FOR WESTERN ILLINOIS
INCLUDING PEORIA AND SURROUNDING COUNTIES...

AT 240 PM CDT RADAR INDICATED A LINE OF THUNDERSTORMS EXTENDING FROM
SOUTHEAST IOWA INTO NORTHEAST MISSOURI. THE STRONGEST STORMS WERE LOCATED
NEAR THE MISSOURI/IOWA BORDER 40 MILES WEST AND SOUTHWEST OF BURLINGTON
IOWA. MOVEMENT WAS EAST AT 30 MILES AN HOUR.

THE THUNDERSTORMS WILL BE APPROACHING HENDERSON AND HANCOCK COUNTIES IN
WESTERN ILLINOIS AROUND 400 PM. THESE STORMS WILL BE CAPABLE OF PRODUCING
STRONG GUSTY WINDS...LARGE HAIL...HEAVY RAIN AND DANGEROUS LIGHTNING. STAY
TUNED TO RADIO...TELEVISION...OR NOAA WEATHER RADIO FOR LATER STATEMENTS
AND POSSIBLE WARNINGS.

MILLER
Special weather statement, Jun 16, 2:50 PM CDT, 2 hours 22 minutes before
ILZ009-162100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
250 PM CDT SAT JUN 16 1990

...SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 7 PM CDT FOR MASON
   CASS...MENARD..LOGAN..AND SANGAMON COUNTIES OF CENTRAL ILLINOIS

AT 245 PM CDT WEATHER RADAR INDICATED NO THUNDERSTORM ACTIVITY OVER
CENTAL ILLINOIS. HOWEVER DUE TO HOT AND HUMID CONDITIONS NOW PRESENT
OVER CENTRAL ILLINOIS..THUNDERSTORMS ARE FORECAST TO DEVELOP. SOME OF
THESE STORMS WILL BE CAPABLE OF PRODUCING HAIL...DAMAGING WINDS AND
DANGEROUS LIGHTNING.

PERSONS ARE URGED TO SEEK COVER IN A REINFORCED SHELTER SHOULD
THREATENING WEATHER DEVELOP.
FENLEY
Special weather statement, Jun 16, 3:49 PM CDT, 1 hour 23 minutes before
ILZ005-006-007-009-162150-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
345 PM CDT SAT JUN 16 1990

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 700 PM FOR WESTERN ILLINOIS
INCLUDING PEORIA AND SURROUNDING COUNTIES...

AT 340 PM CDT RADAR INDICATED A LINE OF THUNDERSTORMS EXTENDING FROM 40
MILES NORTHWEST OF MOLINE...ALONG THE MISSISSIPPI RIVER TO 20 MILES
NORTHWEST OF QUINCY. THE STRONGEST STORMS WERE LOCATED 35 AND 50 MILES
SOUTH SOUTHWEST OF BURLINGTON IOWA. MOVEMENT WAS EAST AT 30 MILES AND HOUR.

THESE STORMS WILL BE CAPABLE OF PRODUCING STRONG GUSTY WINDS...LARGE HAIL
HEAVY RAIN AND DANGEROUS LIGHTNING AS THEY MOVE THROUGH PARTS OF WESTERN
ILLINOIS THE NEXT FEW HOURS.B STAY TUNED TO RADIO...TELEVISION...OR NOAA
WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS.

MILLER
Special weather statement, Jun 16, 4:21 PM CDT, 51 minutes before
ILZ009-162230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
420 PM CDT SAT JUN 16 1990

...SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 7 PM CDT FOR MASON
   CASS...MENARD..LOGAN..AND SANGAMON COUNTIES OF CENTRAL ILLINOIS

AT 416 PM CDT WEATHER RADAR INDICATED A LARGE AREA OF SHOWERS AND
THUNDERSTORMS HAS NOW MOVED INTO WESTERN ILLINOIS. THE STORMS WERE
WEST OF A LINE FROM 20 MILES EAST OF KEOKUK IOWA TO NEAR MOLINE ILLINOIS.
NO THUNDERSTORMS WERE IN CENTRAL ILLINOIS AT THIS TIME. HOWEVER DUE TO
HOT AND HUMID CONDITIONS THUNDERSTORMS ARE FORECAST TO DEVELOP. SOME OF
THESE STORMS WILL BE CAPABLE OF PRODUCING HAIL...DAMAGING WINDS AND
DANGEROUS LIGHTNING.

PERSONS ARE UbRGED TO SEEK COVER IN A REINFORCED SHELTER SHOULD
THREATENING WEATHER DEVELOP.
HILLIARD
ATTN ISP DISTRICT 9
Special weather statement, Jun 16, 4:44 PM CDT, 28 minutes before
ILZ005-006-007-009-162250-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
442 PM CDT SAT JUN 16 1990

...SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM FOR WESTERN
ILLINOIS...

AT 440 PM CDT RADAR INDICATED A LINE OF THUNDERSTORMS EXTENDING FROM JUST
EAST OF MOLINE TO JUST EAST OF BURLINGTON IOWA INTO EXTREME NORTHEAST
MISSOURI. THE STRONGEST STORMS WERE LOCATED 20 MILES SOUTH OF MOLINE
AND IN NORTHERN HANCOCK COUNTY NEAR NAUVOO...20 MILES SOUTH SOUTHWEST OF
BURLINGTON. MOVEMENT WAS EAST AT 30 MILES AN HOUR.

THESE STORMS WILL BE CAPABLE OF PRODUCING STRONG GUSTY WINDS...LARGE HAIL
HEAVY RAIN AND DANGEROUS LIGHTNING. STAY TUNED TO RADIO...TV...OR NOAA
WEATHER RADIO| FOR LATER STATEMENTS AND POSSIBLE WARNINGS.

MILLER

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 16, 5:30 PM CDTSevere Thunderstorm WarningILXBureau60 min
Jun 16, 6:08 PM CDTFlash Flood WarningILXHancock97 min
Jun 16, 6:20 PM CDTTornado WarningILXKnox, Stark25 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.