Alert archive / Indiana / Flash Flood Warnings in 2002

Flash Flood Warning 86, NWS Indianapolis, IN

May 8, 2002Knox County, Indiana

NWS Indianapolis, IN issued this flash flood warning at May 8, 2002, 6:38 AM EST for Knox County, Indiana. It was in force for 112 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
May 8, 2002, 6:38 AM EST (11:38 UTC)
Expired
May 8, 2002, 8:30 AM EST
In force
112 min
Issued by
NWS Indianapolis, IN
Area
Counties, with a storm outline in the text

County Knox County, IN

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 11.6 hours before the alert went out and 187 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 00:00Z on 2002-05-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 49 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 00:00Z on 2002-05-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 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
49 J/kg
Mixed-layer CIN
-274 J/kg
Mixed-layer LCL
586 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
7 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 081140
FFWIND
INC083-081430-

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

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  KNOX COUNTY IN SOUTHWEST INDIANA
  THIS INCLUDES THE CITY OF VINCENNES

* UNTIL 930 AM EST

* AT 636 AM EST...RADAR ESTIMATED 1.5 TO 2 INCHES OF RAINFALL        
  HAS FALLEN ACROSS KNOX COUNTY IN THE PAST THREE HOURS. AS THE      
  GROUND IS ALREADY SATURATURED...THE RAIN WILL RESULT IN            
  FLOODING.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. TO ESCAPE
RISING WATER MOVE UP TO HIGHER GROUND.

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 3888 8751 3848 8766 3855 8730 3879 8728
          3889 8716

PUMA

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, 6:40 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
May 8, 6:24 PM ESTFlash Flood WarningINDClay, Vigo3 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.