Alert archive / Indiana / Flash Flood Warnings in 2004

Flash Flood Warning 41, NWS Indianapolis, IN

August 28, 2004Decatur County, Indiana

NWS Indianapolis, IN issued this flash flood warning at Aug 28, 2004, 3:59 PM EST for Decatur County, Indiana. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 28, 2004, 3:59 PM EST (20:59 UTC)
Expired
Aug 28, 2004, 6:00 PM EST
In force
2 hr
Issued by
NWS Indianapolis, IN
Area
Counties, with a storm outline in the text

County Decatur County, IN

The radar

The Indianapolis radar (KIND), 76 km from the middle of the area, began a volume at 21:02 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.0 hours before the alert went out and 153 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, Cncnati-Daytn, OH at 12:00Z on 2004-08-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1072 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, Cncnati-Daytn, OH at 12:00Z on 2004-08-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -91 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
1072 J/kg
Mixed-layer CIN
-50 J/kg
Mixed-layer LCL
945 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-91 m²/s²
0-3 km storm-relative helicity
-68 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 
WGUS53 KIND 282105
FFWIND
INC031-290000-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
359 PM EST SAT AUG 28 2004

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  DECATUR COUNTY IN CENTRAL INDIANA

* UNTIL 700 PM EST

* AT 357 PM EST...THUNDERSTORMS WITH HEAVY RAINFALL EXTENDED FROM    
  NEAR WESTPORT TO NEAR GREENSBURG MOVING NORTHEAST AT 20 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO      
  NEWPOINT...MECHANICSBURG...MCCOY...AND HARPER.

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.
MOVE TO HIGHER GROUND.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

LAT...LON 3924 8570 3914 8569 3914 8560 3917 8553
      3927 8532 3944 8532 3944 8551 3944 8563
      3935 8562 3934 8569

$$

JB
1 follow-up statement
000 
WGUS73 KIND 282343
FFSIND
INC031-290000-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
642 PM EST SAT AUG 28 2004

...THE FLASH FLOOD WARNING FOR DECATUR COUNTY WILL BE ALLOWED TO 
EXPIRE AT 700 PM EST...

THUNDERSTORMS HAVE DECREASED IN INTENSITY ACROSS THE AREA. 
ADDITIONAL HEAVY RAINFALL WILL BE POSSIBLE LATER THIS EVENING. THIS 
COULD ONCE AGAIN CAUSE FLOODING PROBLEMS. STAY TUNED TO NOAA WEATHER 
RADIO...YOUR LOCAL TELEVISION STATION OR RADIO STATION FOR THE 
POSSIBLY OF ADDITIONAL WARNINGS.

LAT...LON 3924 8570 3914 8569 3914 8560 3917 8553
      3927 8532 3944 8532 3944 8551 3944 8563
      3935 8562 3934 8569

$$

JB

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 28, 3:04 PM ESTFlash Flood WarningINDJackson, Jennings, Lawrence, Martin116 min

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; radar from the NEXRAD Level II archive.