Alert archive / Illinois / Flash Flood Warnings in 1995

Flash Flood Warning 12, NWS Indianapolis, IN

May 17, 1995White County, Illinois

NWS Indianapolis, IN issued this flash flood warning at May 17, 1995, 4:42 AM CDT for White County, Illinois. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
May 17, 1995, 4:42 AM CDT (09:42 UTC)
Expired
May 17, 1995, 7:45 AM CDT
In force
3 hr
Issued by
NWS Indianapolis, IN
Area
Whole counties

County White County, IL

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 9.7 hours before the alert went out and 232 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, Lincoln, IL at 00:00Z on 1995-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 132 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 00:00Z on 1995-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 square meters per square second.19395878Sfc1 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
132 J/kg
Mixed-layer CIN
-45 J/kg
Mixed-layer LCL
658 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
82 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KEVV 170943 RRA
FFWEVV
ILC193-INC129-163-KYC101-171245-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE EVANSVILLE IN
442 AM CDT WED MAY 17 1995
 
THE NATIONAL WEATHER SERVICE IN EVANSVILLE HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  745 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHEAST ILLINOIS
 
   ...WHITE COUNTY
 
 
IN SOUTHWEST INDIANA
 
   ...POSEY COUNTY...VANDERBURGH COUNTY
 
 
IN NORTHWEST KENTUCKY
 
   ...HENDERSON COUNTY
 
HEAVY RAINS HAVE MOVED THROUGH THE AREA PRODUCING ONE TO TWO INCHES OF
RAIN. AN AREA OF THUNDERSTORMS WITH VERY HEAVY RAIN IS APPROACHING THE
COUNTIES IN THE WARNED AREA. IF YOU LIVE IN AN AREA WHICH TENDS TO FLOOD
QUICKLY...MOVE TO HIGHER GROUND NOW.
 
 
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY.  THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY.  VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY.  MOV:E TO HIGHER GROUND.
 
SLEIGHTER

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, May 16, 11:14 PM CDT, 5 hours 28 minutes before
INZ035>037-039>089-170600-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1114 PM EST TUE MAY 16 1995

...SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1 AM EST/CDT FOR
PARTS OF WEST CENTRAL AND SOUTHWEST INDIANA...
...FLASH FLOOD WATCH IN EFFECT TONIGHT FOR CENTRAL AND SOUTHERN
INDIANA...

AT 1110 PM EST AN AREA OF THUNDERSTORMS WAS ALONG THE ILLINOIS-
INDIANA BORDER FROM DANVILLE ILLINOIS TO VINCENNES. OTHER
THUNDERSTORMS EXTENDED FROM CRAWFORDSVILLE THROUGH INDIANAPOLIS TO
CINCINNATI OHIO. ALL OF THE THUNDERSTORMS WERE MOVING EAST AT 35 MPH.

THESE THUNDERSTORMS WILL PRODUCE BRIEF HEAVY RAIN...HAIL...GUSTY
WINDS AND DANGEROUS LIGHTNING. FLOODING OF ROADS...ESPECIALLY IN LOW
AREAS...IS LIKELY WITH THE THUNDERSTORMS. MOTORISTS SHOULD NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

THUNDERSTORMS WILL CONTINUE INTO THE EARLY MORNING HOURS ACROSS
CENTRAL AND SOUTHERN INDIANA. LISTEN FOR LATER STATEMENTS AND
POSSIBLE WARNINGS.

ZIMMERMAN
Special weather statement, May 17, 1:01 AM CDT, 3 hours 41 minutes before
INZ035>037-039>089-170700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
101 AM EST WED MAY 17 1995

THE SEVERE THUNDERSTORM WATCH FOR PARTS OF WEST CENTRAL AND SOUTHWEST
INDIANA EXPIRED AT 100 AM EST. THE FLASH FLOOD WATCH FOR CENTRAL AND
SOUTHERN INDIANA CONTINUES IN EFFECT FOR THE REMAINDER OF TONIGHT.

AT 100 AM EST THUNDERSTORMS EXTENDED FROM EVANSVILLE TO COLUMBUS TO
RICHMOND. THESE THUNDERSTORMS WERE MOVING EAST AT 35 MPH. THE
THUNDERSTORMS WERE WEAKENING AND THE NO LONGER APPEARS TO BE A THREAT
OF SEVERE WEATHER.

HEAVY RAINFALL REMAINS LIKELY AS ADDITIONAL SHOWERS AND THUNDERSTORMS
WILL MOVE ACROSS CENTRAL AND SOUTHERN INDIANA DURING THE EARLY
MORNING HOURS. FLOODING OF ROADS...ESPECIALLY IN LOW AREAS...IS
LIKELY AND MOTORISTS SHOULD NOT DRIVE INTO AREAS WHERE WATER COVERS
THE ROAD.

ZIMMERMAN

The office that day

Everything else NWS Indianapolis, IN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 17, 1:46 AM CDTFlash Flood WarningINDWabash6 hr
May 17, 1:46 AM CDTFlash Flood WarningINDEdwards, Wayne6 hr

Nearby

Flash Flood Warnings in Illinois, 1995Every flash flood warning in 1995

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.