Alert archive / Illinois / Flash Flood Warnings in 1990

Flash Flood Warning 18, NWS Lincoln, IL

June 20, 1990Fulton County, McDonough County, Schuyler County, Illinois

NWS Lincoln, IL issued this flash flood warning at Jun 20, 1990, 5:27 AM CDT for Fulton County, McDonough County, Schuyler County, Illinois. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jun 20, 1990, 5:27 AM CDT (10:27 UTC)
Expired
Jun 20, 1990, 8:30 AM CDT
In force
3 hr
Issued by
NWS Lincoln, IL
Area
Whole counties

Counties Fulton County, IL, McDonough County, IL, Schuyler 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 00:00Z, 10.5 hours before the alert went out and 398 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 00:00Z on 1990-06-20Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Paducah/Barkley, KY at 00:00Z on 1990-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 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
2328 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
184 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 201027
FFWPIA
ILC109-169-057-125-201330-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
FLASH FLOOD WARNING 
NATIONAL WEATHER SERVICE PEORIA IL
527 AM CDT WED JUN 20 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING 
EFFECTIVE UNTIL 830 AM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE WEST CENTRAL PART OF ILLINOIS
      MCDONOUGH...SCHUYLER...SOUTHERN FULTON...

   IN THE CENTRAL PART OF ILLINOIS
      MASON...

AT 520 AM CDT CONTINUED FLOODING OF STREETS AND HIGHWAYS IN
MCDONOUGH AND SCHUYLER COUNTIES WAS REPORTED AND EVACUATIONS OF
SOME AREAS WERE UNDERWAY.  THESE AREAS WERE  BETWEEN HAVANA
IN MASON COUNTY  AND RUSHVILLE IN SCHUYLER COUNTY.

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.

ATTN ISP 9 14 AND 20

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 20, 12:27 AM CDT, 5 hours before
ILZ009-010-200630-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
1225 AM CDT WED JUN 20 1990

...SEVERE THUNDERSTORM WATCH FOR CENTRAL AND EAST CENTRAL ILLINOIS
   UNTIL 6 AM CDT..

AT 1215 AM CDT WEATHER RADAR SHOWS AN AREA OF THUNDERSTORMS FROM
50 MILES SOUTHEAST OF CHAMPAIGN TO 35 MILES NORTH OF SPRINGFIELD TO
JUST SOUTH OF BURLINGTON IOWA. THE STRONGEST STORMS WERE IN A LINE
FROM 30 MILES EAST OF BLOOMINGTON TO 25 MILES SOUTH OF PEORIA. THE
STORMS ARE MOVING EAST SOUTHEAST AT 35 MPH.

AT MIDNIGHT 1/4 INCH HAIL WAS REPORTED ON THE WESTERN EDGE OF
CHAMPAIGN. SEVERAL OF THESE STORMS MAY BE CAPABLE OF PRODUCING VERY
STRONG GUSTY WINDS...HAIL...DANGEROUS LIGHTNING AND BRIEF HEAVY RAINS.
<
PERSONS LIVING IN CENTRAL AND EAST CENTRAL ILLINOIS ARE ADVISED TO
MONITOR THE WEATHER CLOSELY AND SEEK SHELTER IMMEDIATELY AT THE FIRST
SIGNS OF SEVERE WEATHER.

FENLEY

ATTN ISP DIST...6..9..10 AND 18
Special weather statement, Jun 20, 4:26 AM CDT, 1 hour 1 minute before
ILZ005-006-007-009-200335-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
420 AM CST WED JUN 20 1990

...SEVERE THUNDERSTORM WATCH NUMBER 508 HAS BEEN CANCELLED FOR PUTNAM...
MARSHALL...WOODFORD AND MCLEAN COUNTIES.  THUNDERSTORMS ARE STILL
OCCURRING IN THESE AREAS BUT HAVE WEAKENED.
...SEVERE THUNDERSTORM WATCH 509  REMAINS IN EFFECT FOR TAZEWELL...
PEORIA...MASON...FULTON...SCHUYLER...MCDONOGH...HENDERSON AND WARREN
COUNTIES.  THE HEAVIEST STORMS CURRENTLY IN THE THOSE COUNTIES WAS IN
SOUTHERN SCHUYLER.

...THE FLASH FLOOD WARNING FOR FULTON AND TAZEWELL COUNTIES EXPIRES
AT 430AM.
...THE FLASH FLOOD WARNING FOR WOODFORD COUNTY CONTINUES IN EFFECT
UNTIL 500AM.
...THE FLASH FLOOD WARNING FOR SCHUYLER COUNTY CONTINUES IN EFFECT
UNTIL 515AM.
.
AT 420AM THE HEAVIEST THUNDERSTORMS IN CENTRAL ILLINOIS WERE GENERALLY
SOUTH OF A LINE FROM PONTIAC TO PEORIA TO BURLINGTON.  THEY WERE
MOVING SOUTHEAST AT ABOUT 40 MPH.

ARMBRUST
Special weather statement, Jun 20, 4:43 AM CDT, 44 minutes before
ILZ005-006-007-009-201100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
440AM CDT WED JUN 20 1990

...SEVERE THUNDERSTORM WATCHES 508 AND 509 HAVE BEEN CANCELED FOR
CENTRAL ILLINOIS.
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 500AM FOR WOODFORD
COUNTY.
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 515AM FOR SCHUYLER
AND MCDONOUGH COUNTIES.

THE  THUNDERSTORMS IN CENTRAL ILLINOIS HAVE DECREASED IN INTENSITY
AS FAR AS THE THREAT OF HIGH WINDS OR HAIL...HOWEVER DANGEROUS
LIGHTNING AND HEAVY RAINS ARE STILL BEING REPORTED.

PERSONS SHOULD STILL BE ON THE LOOKOUT FOR THE POSSIBILITY OF
FLOODING OF SMALL STREAMS...STREETS AND HIGHWAYS.

ARMBRUST

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 9:55 PM CDTSevere Thunderstorm WarningILXKnox, Peoria, Stark65 min
Jun 19, 10:05 PM CDTSevere Thunderstorm WarningILXBureau55 min
Jun 19, 10:17 PM CDTSevere Thunderstorm WarningILXLee43 min
Jun 19, 10:48 PM CDTTornado WarningILXPeoria, Woodford27 min
Jun 19, 10:56 PM CDTSevere Thunderstorm WarningILXDeKalb49 min
Jun 19, 11:08 PM CDTTornado WarningILXKnox37 min
Jun 19, 11:41 PM CDTSevere Thunderstorm WarningILXFulton, McDonough, Warren64 min
Jun 19, 11:50 PM CDTFlash Flood WarningILXKnox, Peoria, Warren4 hr
Jun 20, 12:47 AM CDTSevere Thunderstorm WarningILXMcLean, Tazewell58 min
Jun 20, 1:06 AM CDTTornado WarningILXSchuyler39 min
Jun 20, 1:10 AM CDTSevere Thunderstorm WarningILXLogan, Menard65 min
Jun 20, 1:39 AM CDTFlash Flood WarningILXFulton, Tazewell3 hr
Jun 20, 1:40 AM CDTSevere Thunderstorm WarningILXMacon65 min
Jun 20, 2:00 AM CDTFlash Flood WarningILXWoodford3 hr
Jun 20, 2:01 AM CDTSevere Thunderstorm WarningILXMoultrie, Shelby59 min
Jun 20, 2:06 AM CDTFlash Flood WarningILXSangamon3 hr
Jun 20, 2:18 AM CDTFlash Flood WarningILXMcDonough, Schuyler3 hr
Jun 20, 2:30 AM CDTSevere Thunderstorm WarningILXChristian60 min
Jun 20, 2:44 AM CDTSevere Thunderstorm WarningILXColes, Edgar61 min
Jun 20, 3:06 AM CDTSevere Thunderstorm WarningILXClark, Cumberland69 min
Jun 20, 3:31 AM CDTFlash Flood WarningILXClark, Coles, Cumberland3 hr
Jun 20, 3:31 AM CDTFlash Flood WarningILXEdgar3 hr
Jun 20, 5:09 AM CDTFlash Flood WarningILXCass, Menard, Sangamon3 hr
Jun 20, 5:09 AM CDTFlash Flood WarningILXMacoupin, Montgomery, Morgan3 hr
Jun 20, 5:09 AM CDTFlash Flood WarningILXChristian3 hr
Jun 20, 5:27 AM CDTFlash Flood WarningILXMason3 hr
Jun 20, 8:05 AM CDTFlash Flood WarningILXChristian, Montgomery, Sangamon3 hr
Jun 20, 8:05 AM CDTFlash Flood WarningILXCass, Menard3 hr
Jun 20, 8:05 AM CDTFlash Flood WarningILXMacoupin, Morgan3 hr
Jun 20, 8:30 AM CDTFlash Flood WarningILXFulton, McDonough, Mason, Schuyler110 min
Jun 20, 9:00 AM CDTFlash Flood WarningILXFulton, McDonough, Schuyler90 min
Jun 20, 9:00 AM CDTFlash Flood WarningILXMason90 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.