Alert archive / Indiana / Flash Flood Warnings in 2004

Flash Flood Warning 4, NWS Northern Indiana

June 12, 2004Cass County, White County, Indiana

NWS Northern Indiana issued this flash flood warning at Jun 12, 2004, 4:47 AM EST for Cass County, White County, Indiana. It was in force for 118 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 12, 2004, 4:47 AM EST (09:47 UTC)
Expired
Jun 12, 2004, 6:45 AM EST
In force
118 min
Issued by
NWS Northern Indiana
Area
Counties, with a storm outline in the text

Counties Cass County, IN, White County, IN

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 9.8 hours before the alert went out and 173 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 2004-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3388 joules per kilogram.LCLEL10008507005003002001001 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, Lincoln, IL at 00:00Z on 2004-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 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
3388 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
1075 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
58 m²/s²
Significant tornado parameter
0.4
Supercell composite
2.4

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KIWX 120953
FFWIWX
INC017-181-121245-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
447 AM EST SAT JUN 12 2004

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CASS COUNTY IN INDIANA
  WHITE COUNTY IN INDIANA

* UNTIL 745 AM EST

* AT 447 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  A LARGE AREA OF THUNDERSTORMS WITH VERY HEAVY RAIN MOVING EAST   
  ACROSS MUCH OF WHITE AND CASS COUNTIES AT 20 MPH. RADAR ESTIMATES 
  OF 1 TO 2 INCHES OF NEW RAINFALL HAS OCCURRED ACROSS THE WARNING 
  AREA...WITH TOTALS OVER THE PAST DAY APPROACHING 5 INCHES IN SOME 
  AREAS. AS ADDITIONAL THUNDERSTORMS MOVE IN...THE STRONGEST STORMS 
  WILL BE CAPABLE OF PRODUCING AN ADDITIONAL 1 TO 2 INCHES OF RAIN 
  PER HOUR.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE 
ROADWAY.

TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT AGENCY
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
NORTHERN INDIANA.

LAT...LON 4089 8708 4056 8711 4060 8617 4090 8620

$$
1 follow-up statement
000 
WGUS73 KIWX 121131
FFSIWX
INC017-181-121245-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
624 AM EST SAT JUN 12 2004

...FLASH FLOOD WARNING CONTINUES...

THE FLASH FLOOD WARNING CONTINUES FOR

  CASS COUNTY IN INDIANA
  WHITE COUNTY IN INDIANA

UNTIL 745 AM EST...

AT 624 AM...EMERGENCY MANAGEMENT IN CASS COUNTY REPORTED SEVERAL 
COUNTY ROADS WERE COVERED WITH STANDING WATER. 4 TO 5 ROADS WERE 
REPORTED TO BE CLOSED DUE TO 2 FEET OR MORE OF WATER FLOWING ACROSS 
THE ROADS. NO REPORTS OF SIGNIFICANT FLOODING HAVE BEEN RECEIVED IN 
WHITE COUNTY. RADAR ESTIMATES THAT 1 TO LOCALLY AS MUCH AS 3 INCHES 
OF RAIN HAS FALLEN ACROSS THE WARNING AREA SINCE 330 AM EST. THIS IS 
IN ADDITION TO SEVERAL INCHES OF RAIN THAT HAS FALLEN OVER THE PAST 
COUPLE OF DAYS. 

THE HEAVY RAIN IS EXPECTED TO TAPER OFF...AND BRIEFLY END IN SOME 
LOCATIONS THROUGH 745 AM EST. HOWEVER...ADDITIONAL THUNDERSTORMS 
CONTINUE TO DEVELOP ACROSS CENTRAL ILLINOIS AND WESTERN INDIANA AND 
MAY MOVE INTO THE WARNING AREA...FURTHER ADDING TO THE THREAT FOR 
FLOODING.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY.

TO REPORT FLOODING HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY YOUR
REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN NORTHERN
INDIANA.

$$

The office that day

Everything else NWS Northern Indiana issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 12, 7:44 AM ESTFlash Flood WarningIWXCass, White2 hr

Nearby

Flash Flood Warnings in Indiana, 2004Every flash flood warning in 2004

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.