Alert archive / Indiana / Flash Flood Warnings in 2002

Flash Flood Warning 3, NWS Indianapolis, IN

April 12, 20028 counties in Indiana

NWS Indianapolis, IN issued this flash flood warning at Apr 12, 2002, 5:41 PM EST for 8 counties in 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 counties it named.

The facts

Issued: Apr 12, 2002, 5:41 PM EST (22:41 UTC)
Expired: Apr 12, 2002, 7:45 PM EST
In force: 2 hr
Issued by: NWS Indianapolis, IN
Area: Whole counties

Counties Bartholomew County, IN, Brown County, IN, Greene County, IN, Johnson County, IN, Monroe County, IN, Morgan County, IN, Owen County, IN, Shelby County, IN

The radar

The Indianapolis radar (KIND), 46 km from the middle of the area, began a volume at 22:42 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 12:00Z, 10.7 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: 215 J/kg
Mixed-layer CIN: -74 J/kg
Mixed-layer LCL: 1073 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 122 m²/s²
0-3 km storm-relative helicity: 97 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KIND 122241
FFWIND
INC005-013-055-081-105-109-119-145-130045-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
538 PM EST FRI APR 12 2002

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BARTHOLOMEW COUNTY IN CENTRAL INDIANA
  THIS INCLUDES THE CITY OF COLUMBUS
  SOUTHERN JOHNSON COUNTY IN CENTRAL INDIANA
  SOUTHERN MORGAN COUNTY IN CENTRAL INDIANA
  SOUTHERN SHELBY COUNTY IN CENTRAL INDIANA
  BROWN COUNTY IN SOUTH CENTRAL INDIANA
  MONROE COUNTY IN SOUTH CENTRAL INDIANA
  THIS INCLUDES THE CITY OF BLOOMINGTON
  EASTERN GREENE COUNTY IN SOUTHWEST INDIANA
  SOUTHERN OWEN COUNTY IN WEST CENTRAL INDIANA

* UNTIL 745 PM EST

* AT 527 PM EST...WEATHER SERVICE DOPPLER RADAR INDICATED A LARGE 
AREA OF THUNDERSTORMS PRODUCING VERY HEAVY RAIN FROM NEAR EDINBURG 
TO BLOOMFIELD MOVING NORTHEAST AT 20 MPH. 1 TO 2 INCHES OF RAIN AN 
HOUR ARE POSSIBLE WITH THIS AREA OF STORMS.

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.

KOCH

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 12, 3:05 PM EST	Severe Thunderstorm Warning	IND	Vermillion, Warren	40 min
Apr 12, 3:17 PM EST	Severe Thunderstorm Warning	IND	Clay, Greene, Owen	43 min
Apr 12, 4:31 PM EST	Flash Flood Warning	IND	Fountain, Vermillion, Warren	59 min
Apr 12, 4:38 PM EST	Flash Flood Warning	IND	Fountain, Vermillion, Warren	112 min
Apr 12, 4:43 PM EST	Severe Thunderstorm Warning	IND	Monroe, Morgan	32 min
Apr 12, 4:51 PM EST	Severe Thunderstorm Warning	IND	Clinton, Tippecanoe	39 min
Apr 12, 5:01 PM EST	Severe Thunderstorm Warning	IND	Brown	29 min
Apr 12, 5:32 PM EST	Severe Thunderstorm Warning	IND	Bartholomew, Brown, Johnson	43 min
Apr 12, 5:38 PM EST	Flash Flood Warning	IND	Bartholomew, Brown, Greene, Johnson, Monroe, Morgan and 2 more	67 min
Apr 12, 5:45 PM EST	Severe Thunderstorm Warning	IND	Bartholomew, Shelby	30 min

Nearby

Flash Flood Warnings in Indiana, 2002 Every flash flood warning in 2002

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.