Alert archive / Indiana / Flash Flood Warnings in 2003

Flash Flood Warning 49, NWS Indianapolis, IN

September 1, 20035 counties in Indiana

NWS Indianapolis, IN issued this flash flood warning at Sep 1, 2003, 12:07 PM EST for 5 counties in Indiana. It was in force for 113 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: Sep 1, 2003, 12:07 PM EST (17:07 UTC)
Expired: Sep 1, 2003, 2:00 PM EST
In force: 113 min
Issued by: NWS Indianapolis, IN
Area: Counties, with a storm outline in the text

Counties Hamilton County, IN, Hancock County, IN, Hendricks County, IN, Madison County, IN, Marion County, IN

The radar

The Indianapolis radar (KIND), 22 km from the middle of the area, began a volume at 17:06 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, 5.1 hours before the alert went out and 209 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: 672 J/kg
Mixed-layer CIN: -28 J/kg
Mixed-layer LCL: 505 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 143 m²/s²
0-3 km storm-relative helicity: 154 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 4.0

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KIND 011710
FFWIND
INC057-059-063-095-097-012000-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1207 PM EST MON SEP 1 2003

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  HAMILTON COUNTY IN CENTRAL INDIANA
  HANCOCK COUNTY IN CENTRAL INDIANA
  HENDRICKS COUNTY IN CENTRAL INDIANA
  MADISON COUNTY IN CENTRAL INDIANA
  THIS INCLUDES THE CITY OF ANDERSON
  MARION COUNTY IN CENTRAL INDIANA
  THIS INCLUDES THE CITY OF INDIANAPOLIS

* UNTIL 300 PM EST

* AT 1201 PM EST...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY
  RAIN OVER INDIANAPOLIS...MOVING NORTHEAST AT 35 MPH. 

* THE THUNDERSTORM WITH EXCESSIVE RAINFALL WILL BE NEAR...
  MCCORDSVILLE AT 1215 PM EST
  FORTVILLE AT 1220 PM EST
  INGALLS AT 1225 PM EST
  PENDLETON AT 1230 PM EST

RADAR ESTIMATES THAT OVER ONE AND A HALF INCHES OF RAIN HAS FALLEN 
ACROSS NORTHERN MARION COUNTY IN THE PAST HOUR. THE GROUND IS 
ALREADY SATURATED FROM EARLIER RAINS. FLASH FLOODING WILL OCCUR.

DO NOT DRIVE THROUGH FLOWING WATER. IF IT IS TWO FEET DEEP...IT CAN
CARRY MOST VEHICLES AWAY. VEHICLES WITH LARGER TIRES...SUCH AS
SUVS...ARE MORE BUOYANT AND AT GREATER RISK.

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. 

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

LAT...LON 3965 8633 3966 8604 3975 8572 3993 8568
          4036 8559 4018 8591 4014 8616 3991 8635
          3990 8661 3979 8665 3966 8664

$$

PUMA

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 31, 8:15 PM EST	Tornado Warning	IND	Sullivan, Vigo	45 min
Sep 1, 6:06 AM EST	Flash Flood Warning	IND	Hendricks, Marion, Putnam	114 min
Sep 1, 6:20 AM EST	Flash Flood Warning	IND	Hamilton, Madison	115 min
Sep 1, 1:18 PM EST	Severe Thunderstorm Warning	IND	Henry, Randolph	42 min
Sep 1, 1:45 PM EST	Flash Flood Warning	IND	Henry, Randolph	30 min
Sep 1, 2:03 PM EST	Severe Thunderstorm Warning	IND	Johnson, Shelby	42 min
Sep 1, 2:28 PM EST	Flash Flood Warning	IND	Rush, Shelby	2 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.