Alert archive / Indiana / Flash Flood Warnings in 2001

Flash Flood Warning 9, NWS Indianapolis, IN

August 30, 2001Warren County, Indiana

NWS Indianapolis, IN issued this flash flood warning at Aug 30, 2001, 6:49 PM EST for Warren County, Indiana. It was in force for 116 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued: Aug 30, 2001, 6:49 PM EST (23:49 UTC)
Expired: Aug 30, 2001, 8:45 PM EST
In force: 116 min
Issued by: NWS Indianapolis, IN
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Warren County, IN

The radar

The Indianapolis radar (KIND), 124 km from the middle of the area, began a volume at 23:49 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

Davenport, (KDVN), launched 12:00Z, 11.8 hours before the alert went out and 293 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: 394 J/kg
Mixed-layer CIN: -319 J/kg
Mixed-layer LCL: 1621 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: -1 m²/s²
0-3 km storm-relative helicity: 29 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 302351
FFWIND
INC171-310245-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
649 PM EST THU AUG 30 2001

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WARREN COUNTY IN WEST CENTRAL INDIANA

* UNTIL 945 PM EST

* AT 644 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY
  RAIN FROM 19 MILES NORTHWEST OF WEST LEBANON TO 34 MILES WEST OF
  STATE LINE CITY...OR FROM 23 MILES NORTH OF DANVILLE TO 7 MILES
  SOUTHEAST OF SAVOY...MOVING EAST AT 25 MPH.

* THUNDERSTORMS WITH EXCESSIVE RAINFALL WILL BE NEAR...
  PINE VILLAGE AT 725 PM EST
  WEST LEBANON AT 730 PM EST
  WILLIAMSPORT AT 740 PM EST

RADAR ESTIMATES AROUND 4 INCHES OF RAIN HAS ALREADY FALLEN OVER 
PARTS OF WARREN COUNTY THURSDAY AFTERNOON. ANOTHER 1 TO 2 INCHES OF 
RAIN IS LIKELY THIS EVENING.

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 4057 8757 4015 8753 4038 8711 4055 8711

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 30, 2:34 PM EST	Severe Thunderstorm Warning	IND	Tippecanoe, Warren	41 min
Aug 30, 2:58 PM EST	Severe Thunderstorm Warning	IND	Carroll	47 min

Nearby

Flash Flood Warnings in Indiana, 2001 Every flash flood warning in 2001

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.