Alert archive / Illinois / Flash Flood Warnings in 1990

Flash Flood Warning 28, NWS Lincoln, IL

June 29, 19904 counties in Illinois

NWS Lincoln, IL issued this flash flood warning at Jun 29, 1990, 11:15 AM CDT for 4 counties in Illinois. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jun 29, 1990, 11:15 AM CDT (16:15 UTC)
Expired
Jun 29, 1990, 2:15 PM CDT
In force
3 hr
Issued by
NWS Lincoln, IL
Area
Whole counties

Counties McLean County, IL, Peoria County, IL, Tazewell County, IL, Woodford 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, 4.3 hours before the alert went out and 401 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, Paducah/Barkley, KY at 12:00Z on 1990-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 52 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Paducah/Barkley, KY at 12:00Z on 1990-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -42 square meters per square second.1939Sfc1 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
52 J/kg
Mixed-layer CIN
-240 J/kg
Mixed-layer LCL
1514 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
-42 m²/s²
0-3 km storm-relative helicity
21 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 291615
FFWPIA
ILC143-179-203-113-291915-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
FLASH FLOOD WARNING 
NATIONAL WEATHER SERVICE PEORIA IL
1115 AM CDT FRI JUN 29 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING 
EFFECTIVE UNTIL 215 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE CENTRAL PART OF ILLINOIS
      PEORIA...TAZEWELL...WOODFORD...MCLEAN

AT 1100 AM HEAVY RAIN CONTINUED OVER THE PEORIA AREA AND TAZEWELL
WOODFORD AND MCLEAN COUNTIES.  MUCH STREET AND HIGHWAY FLOODING IS
OCCURING.  ALSO WATER IS BEGINNING TO REACH THE BOTTOMS OF MANY
BRIDGE DECKS ON THE KICKAPOO CREEK IN PEORIA COUNTY AND ON THE
MACKINAW RIVER IN  MCLEAN...WOODFORD AND TAZEWELL COUNTIES.  THIS
COULD RESULT IN DAMMING OF WATER UPSTREAM FROM THESE BRIDGES AND
CAUSE SERIOUS FLASH FLOODING.

STAY OUT OF DRY CREEK BEDS AND LOW LYING AREAS.  FLASH FLOODS CAN
OCCUR WITH LITTLE OR NO ADVANCE WARNING.

IF YOU ARE IN THE WARNED COUNTY IN AN AREA SUBJECT TO FLOODING
MOVE TO HIGHER GROUND.

DO NOT ATTEMPT TO DRIVE OVER ROADS COVERED BY FLOOD WATERS.

 THIS IS AN EXTENSION OF A WARNING WHICH WAS ISSUED EARLIER FOR
 THE SAME COUNTIES.

ATTN ISP  8... 6

ARMBRUST

>

What forecasters said that day

The local office's own words before this flash flood 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 29, 5:15 AM CDT, 6 hours before
ILZ009-291100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
515 AM CDT FRI JUN 29 1990

...STRONG THUNDERSTORMS MOVING INTO CENTRAL ILLINOIS...

AT 5 AM CDT WEATHER RADAR INDICATED AN AREA OF THUNDERSTORMS FROM
DANVILLE TO CHAMPAIGN TO BURLINGTON IOWA. THE STRONGEST STORMS WERE
SOUTH OF PERORIA IN FULTON AND TAZEWELL COUNTIES. THESE STORMS ARE
MOVING SOUTHEAST AT 30 MPH.

PERSONS IN LOGAN COUTY WILL EXPERIENCE HEAVY DOWNPOURS..DANGEROUS
LIGHTNING AND STRONG WINDS WITHIN THE NEXT HOUR. PERSON IN MENARD
COUNTY CAN EXPECT THESE STORMS BETWEEN 6 AND 7 AM CDT THIS MORNING.

FENLEY
ATTN ISP DIST...9
Special weather statement, Jun 29, 5:28 AM CDT, 5 hours 47 minutes before
ILZ005-006-007-009-291130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
530 AM CDT FRI JUN 29 1990

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 7 AM...
...FLASH FLOOD WATCH IN EFFECT THIS MORNING...

AT 525 AM CDT RADAR SHOWED SCATTERED STRONG THUNDERSTORMS JUST NORTH
OF MACOMB...OVER LEWISTON AND JUST EAST OF DELAVAN. ELSEWHERE A LARGE
AREA OF LIGHT TO MODERATE RAIN WAS OVER THE NORTHERN THIRD OF ILLINOIS.
MOVEMENT WAS SOUTHEAST AT 35 MPH.

DAMAGING WINDS...LARGE HAIL...FREQUENT DEADLY LIGHTNING AND VERY
HEAVY RAINFALL CAN BE EXPECTED WITH THESE STORMS.
HEAVY RAINFALL WITH THESE STORMS WILL CAUSE SOME FLOODING OF STREETS
AND LOW LYING AREAS SUCH AS CULVERTS...AND SMALL STREAMS.

AT 530 PM NO SEVERE WEATHER HAS BEEN REPORTED.
STUMETZ
Special weather statement, Jun 29, 5:32 AM CDT, 5 hours 43 minutes before
ILZ005-006-007-009-291130-

SPECIAL WEATHER STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE PEORIA IL
530 AM CDT FRI JUN 29 1990

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 7 AM...
...FLASH FLOOD WATCH IN EFFECT THIS MORNING...

AT 525 AM CDT RADAR SHOWED SCATTERED STRONG THUNDERSTORMS JUST NORTH
OF MACOMB...OVER LEWISTON AND JUST EAST OF DELAVAN. ELSEWHERE A LARGE
AREA OF LIGHT TO MODERATE RAIN WAS OVER THE NORTHERN THIRD OF ILLINOIS.
MOVEMENT WAS SOUTHEAST AT 35 MPH.

DAMAGING WINDS...LARGE HAIL...FREQUENT DEADLY LIGHTNING AND VERY
HEAVY RAINFALL CAN BE EXPECTED WITH THESE STORMS.
HEAVY RAINFALL WITH THESE STORMS WILL CAUSE SOME FLOODING OF STREETS
AND LOW LYING AREAS SUCH AS CULVERTS...AND SMALL STREAMS.

AT 530 AM NO SEVERE WEATHER HAS BEEN REPORTED.
STUMETZ
Special weather statement, Jun 29, 5:42 AM CDT, 5 hours 33 minutes before
ILZ005-006-007-009-291135-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
540 AM CDT FRI JUN 29 1990

...SEVERE THUNDERSTORM WATCH FOR PARTS OF NORTHERN ILLINOIS
IS CANCELLED...
...FLASH FLOOD WATCH IN EFFECT THIS MORNING...

AT 530 AM CDT RADAR SHOWED SCATTERED THUNDERSTORMS OVER CENTRAL
ILLINOIS. THE THUNDERSTORMS WERE WITHIN A LARGE OF LIGHT TO MODERATE
RAIN COVERING THE NORTHERN THIRD OF ILLINOIS. MOVEMENT WAS SOUTHEAST
AT 35 MPH.

HEAVY RAINFALL COULD CAUSE SOME FLOODING OF STREETS AND LOW LYING
AREAS SUCH AS CULVERTS...AND SMALL STREAMS.

STUMETZ
Special weather statement, Jun 29, 6:31 AM CDT, 4 hours 44 minutes before
ILZ005-006-007-009-291230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
630 AM CDT FRI JUN 29 1990

...THUNDERSTORMS AND HEAVY RAIN IN THE PEORIA AREA...

AT 6:25 AM... A BAND OF THUNDERSTORMS WITH HEAVY RAIN WAS LOCATED FROM
HAVANA THROUGH PEORIA TO ABOUT LACON... ROUGHLY ALONG THE ILLINOIS RIVER.
RAIN AND THUNDERSTORMS WERE OCCURRING EAST OF THAT LINE BUT THE STORMY
WEATHER WAS ENDING TO THE WEST. THERE WAS NO PRECIPITATION INDICATED
BY RADAR OVER KNOX AND WARREN COUNTIES TO THE NORTHWEST OF PEORIA.

RAINFALL IS HEAVY... AT PEORIA OVER AN INCH OF RAIN HAS FALLEN SINCE
5AM.  SOME BRIEF LOCAL URBAN AND SMALL STREAM FLOODING MAY OCCUR.

THE AREA HAS BEEN MOVING SOUTHEAST AT 25 MPH... SO THE PRECIPITATION
AND THUNDERSTORM ACTIVITY SHOULD END ACROSS PEORIA ABOUT 7AM... AND
WILL BE ENDING OVER MORTON AND EVENTUALLY BLOOMINGTON WITHIN THE NEXT
HOUR OR SO.             JACOBS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 12:46 AM CDTSevere Thunderstorm WarningILXStephenson, Winnebago44 min
Jun 29, 1:08 AM CDTSevere Thunderstorm WarningILXBoone67 min
Jun 29, 1:39 AM CDTSevere Thunderstorm WarningILXDeKalb, Ogle, Winnebago51 min
Jun 29, 2:00 AM CDTSevere Thunderstorm WarningILXCarroll, Ogle45 min
Jun 29, 2:22 AM CDTSevere Thunderstorm WarningILXDeKalb, Lee53 min
Jun 29, 2:51 AM CDTSevere Thunderstorm WarningILXBureau, Putnam69 min
Jun 29, 7:15 AM CDTFlash Flood WarningILXMcLean, Peoria, Tazewell, Woodford2 hr
Jun 29, 9:20 AM CDTFlash Flood WarningILXMcLean, Peoria, Tazewell, Woodford115 min

Nearby

Flash Flood Warnings in Illinois, 1990Every flash flood 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.