Alert archive / Indiana / Flash Flood Warnings in 2002

Flash Flood Warning 31, NWS Indianapolis, IN

May 8, 2002Clay County, Vigo County, Indiana

NWS Indianapolis, IN issued this flash flood warning at May 8, 2002, 6:24 PM EST for Clay County, Vigo County, Indiana. It was in force for 3 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
May 8, 2002, 6:24 PM EST (23:24 UTC)
Expired
May 8, 2002, 9:30 PM EST
In force
3 hr
Issued by
NWS Indianapolis, IN
Area
Counties, with a storm outline in the text

Counties Clay County, IN, Vigo County, IN

The radar

The Indianapolis radar (KIND), 93 km from the middle of the area, began a volume at 23:24 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 12:00Z, 11.4 hours before the alert went out and 133 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-pSkew-T log-p diagram, Lincoln, IL at 12:00Z on 2002-05-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 13 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 2002-05-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 188 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
13 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
476 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
188 m²/s²
0-3 km storm-relative helicity
335 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 082324
FFWIND
INC021-167-090230-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
623 PM EST WED MAY 8 2002

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN CLAY COUNTY IN WEST CENTRAL INDIANA
  VIGO COUNTY IN WEST CENTRAL INDIANA
  THIS INCLUDES THE CITY OF TERRE HAUTE

* UNTIL 930 PM EST

* AT 619 PM EST...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY
  RAIN 6 MILES SOUTH OF WEST TERRE HAUTE...OR ABOUT 7 MILES SOUTH OF
  TERRE HAUTE...MOVING NORTHEAST AT 20 MPH.

* THE THUNDERSTORM WITH EXCESSIVE RAINFALL WILL BE NEAR...
  RILEY AT 630 PM EST
  TERRE HAUTE AT 635 PM EST
  NORTH TERRE HAUTE AT 645 PM EST
  SEELYVILLE AT 650 PM EST

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 3956 8753 3927 8745 3938 8701 3960 8708

KOCH

The office that day

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

IssuedProductOfficeCountiesLasted
May 8, 6:26 AM ESTFlash Flood WarningINDDaviess2 hr
May 8, 6:28 AM ESTFlash Flood WarningINDDaviess3 hr
May 8, 6:33 AM ESTFlash Flood WarningINDDaviess3 hr
May 8, 6:35 AM ESTFlash Flood WarningINDMartin115 min
May 8, 6:37 AM ESTFlash Flood WarningINDMartin3 hr
May 8, 6:38 AM ESTFlash Flood WarningINDKnox112 min
May 8, 6:40 AM ESTFlash Flood WarningINDKnox3 hr
May 8, 6:59 AM ESTFlash Flood WarningINDLawrence2 hr
May 8, 7:01 AM ESTFlash Flood WarningINDLawrence3 hr
May 8, 7:23 AM ESTFlash Flood WarningINDJackson, Jennings2 hr
May 8, 7:25 AM ESTFlash Flood WarningINDJackson, Jennings3 hr
May 8, 6:23 PM ESTFlash Flood WarningINDClay, Vigo2 hr

Nearby

Flash Flood Warnings in Indiana, 2002Every 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.