Alert archive / Indiana / Flash Flood Warnings in 2003

Flash Flood Warning 19, NWS Indianapolis, IN

July 5, 2003Hendricks County, Putnam County, Indiana

NWS Indianapolis, IN issued this flash flood warning at Jul 5, 2003, 8:21 PM EST for Hendricks County, Putnam County, Indiana. It was in force for 114 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: Jul 5, 2003, 8:21 PM EST (01:21 UTC)
Expired: Jul 5, 2003, 10:15 PM EST
In force: 114 min
Issued by: NWS Indianapolis, IN
Area: Counties, with a storm outline in the text

Counties Hendricks County, IN, Putnam County, IN

The radar

The Indianapolis radar (KIND), 38 km from the middle of the area, began a volume at 01:24 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

Lincoln, IL (KILX), launched 00:00Z, 1.4 hours before the alert went out and 167 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 4874 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 1335 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 49 m²/s²
0-3 km storm-relative helicity: 102 m²/s²
Significant tornado parameter: 0.9
Supercell composite: 13.5

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KIND 060125
FFWIND
INC063-133-060415-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
821 PM EST SAT JUL 5 2003

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  HENDRICKS COUNTY IN CENTRAL INDIANA
  PUTNAM COUNTY IN WEST CENTRAL INDIANA

* UNTIL 1115 PM EST

* AT 809 PM EST...WEATHER SERVICE DOPPLER RADAR INDICATED VERY       
  HEAVY RAIN OVER EASTERN HENDRICKS AND WESTERN PUTNAM COUNTIES.
  RADAR WAS SHOWING ADDITIONAL STORMS LINED UP TO MOVE ACROSS
  DURING THE EVENING AS WELL. RADAR WAS ALSO ESTIMATING 2 TO 3
  INCHES OF RAIN HAS FALLEN ACROSS PARTS OF EASTERN PUTNAM AND
  SOUTHERN HENDRICKS COUNTIES OVER THE LAST THREE HOURS. FINALLY...
  AN AMATEUR RADIO OPERATER REPORTED MANY STREETS WATER COVERED
  IN THE BROWNSBURG AREA.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO SEE FLOOD 
WATERS. IF FLASH FLOODING IS OBSERVED...MOVE UP TO HIGHER GROUND 
IMMEDIATELY.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT. IF YOU ARE THREATENED BY RISING FLOOD WATERS MOVE TO HIGHER
GROUND IMMEDIATELY. DO NOT CROSS SWIFTLY FLOWING WATERS OR WATERS OF
UNKNOWN DEPTH.

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

LAT...LON 3986 8703 3992 8633 3967 8633 3965 8663
          3951 8669 3948 8702

$$

KOCH

1 follow-up statement

000 
WGUS73 KIND 060249
FFSIND
INC063-133-060415-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
949 PM EST SAT JUL 5 2003

...FLASH FLOOD WARNING CONTINUES FOR HENDRICKS AND PUTNAM COUNTIES
UNTIL 1115 PM EST...

DOPPLER RADAR WAS CONTINUING TO SHOW THUNDERSTORMS MOVING EAST FROM
EAST CENTRAL ILLINOIS ACROSS HENDRICKS AND PUTNAM COUNTIES OF
CENTRAL INDIANA. RADAR HAS ESTIMATED 2 TO 3 INCHES OF RAIN HAS
ALREADY FALLEN THIS EVENING ACROSS THE SOUTHERN HALF OF HENDRICKS
COUNTY AND NORTHEASTERN PARTS OF PUTNAM COUNTY. LAW ENFORCEMENT
OFFICIALS REPORTED HIGH WATER ACROSS STATE ROAD 40 AND 39 NEAR
CLAYTON AND HIGH WATER ACROSS MANY COUNTY ROADS IN PUTNAM COUNTY.
ADDITIONAL RAINFALL MAY EXCEED AN INCH TONIGHT.

MOST FLASH FLOOD DEATHS OCCUR IN VEHICLES.  DO NOT DRIVE YOUR VEHICLE
INTO AREAS WHERE WATER COVERS THE ROADWAY OR PAST POLICE BARRICADES.
RAPIDLY RISING WATER CAN ENGULF A VEHICLE AND ITS OCCUPANTS AND SWEEP
THEM AWAY.  IF YOUR VEHICLE STALLS IN THE WATER...ABANDON IT
IMMEDIATELY AND SEEK HIGHER GROUND. BE ESPECIALLY CAREFUL DRIVING AT
NIGHT AS THE DEPTH OF THE WATER IS VERY DIFFICULT TO ESTIMATE.

$$

KOCH

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 5, 11:15 PM EST	Flash Flood Warning	IND	Hendricks, Parke, Putnam, Vermillion	2 hr
Jul 6, 2:14 AM EST	Flash Flood Warning	IND	Parke, Vermillion	3 hr
Jul 6, 2:24 AM EST	Flash Flood Warning	IND	Carroll, Clinton	3 hr

Nearby

Flash Flood Warnings in Indiana, 2003 Every flash flood warning in 2003

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.