Alert archive / Indiana / Flash Flood Warnings in 2003

Flash Flood Warning 46, NWS Indianapolis, IN

August 27, 2003Jackson County, Indiana

NWS Indianapolis, IN issued this flash flood warning at Aug 27, 2003, 3:23 PM EST for Jackson 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 27, 2003, 3:23 PM EST (20:23 UTC)
Expired: Aug 27, 2003, 5:30 PM EST
In force: 2 hr
Issued by: NWS Indianapolis, IN
Area: Counties, with a storm outline in the text

County Jackson County, IN

The radar

The Louisville radar (KLVX), 62 km from the middle of the area, began a volume at 20:26 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, 8.4 hours before the alert went out and 214 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: 2457 J/kg
Mixed-layer CIN: -77 J/kg
Mixed-layer LCL: 1007 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 137 m²/s²
0-3 km storm-relative helicity: 146 m²/s²
Significant tornado parameter: 0.9
Supercell composite: 5.7

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KIND 272025
FFWIND
INC071-272330-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
323 PM EST WED AUG 27 2003

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHWESTERN JACKSON COUNTY IN SOUTH CENTRAL INDIANA

* UNTIL 630 PM EST

* AT 314 PM EST...WEATHER SERVICE DOPPLER RADAR INDICATED VERY
  HEAVY RAIN OVER MEDORA...OR ABOUT 17 MILES EAST OF
  BEDFORD...MOVING SLOWLY SOUTH.

* THE THUNDERSTORM WITH EXCESSIVE RAINFALL WILL BE NEAR...
  RURAL SOUTHERN JACKSON COUNTY AT 340 PM EST

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. 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 3895 8609 3892 8627 3785 8601 3800 8547

$$

JK

1 follow-up statement

000 
WGUS73 KIND 272308
FFSIND
INC071-272323-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
602 PM EST WED AUG 27 2003

...THE FLASH FLOOD WARNING FOR JACKSON COUNTY IS NO LONGER IN
EFFECT...

THUNDERSTORMS THAT COULD HAVE CAUSED FLASH FLOODING OVER JACKSON
COUNTY HAVE MOVED TO THE SOUTH. ANY FLOODING CAUSED BY THE
THUNDERSTORMS THIS AFTERNOON HAS MOST LIKELY RECEDED. THERE WERE
NO REPORTS OF FLOODING RECEIVED BY THE COUNTY SHERIFF.

$$

HAINES

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.