Alert archive / Indiana / Flash Flood Warnings in 2002

Flash Flood Warning 59, NWS Indianapolis, IN

August 22, 2002Boone County, Clinton County, Indiana

NWS Indianapolis, IN issued this flash flood warning at Aug 22, 2002, 10:22 PM EST for Boone County, Clinton County, Indiana. It was in force for 4 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 22, 2002, 10:22 PM EST (03:22 UTC)
Expired
Aug 23, 2002, 2:15 AM EST
In force
4 hr
Issued by
NWS Indianapolis, IN
Area
Counties, with a storm outline in the text

Counties Boone County, IN, Clinton County, IN

The radar

The Indianapolis radar (KIND), 63 km from the middle of the area, began a volume at 03:24 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 00:00Z, 3.4 hours before the alert went out and 177 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 2002-08-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3144 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 00:00Z on 2002-08-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 square meters per square second.1939Sfc1 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
3144 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
967 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
138 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 230322
FFWIND
INC011-023-230715-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1020 PM EST THU AUG 22 2002

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BOONE COUNTY IN CENTRAL INDIANA
  CLINTON COUNTY IN CENTRAL INDIANA
  THIS INCLUDES THE CITY OF FRANKFORT

* UNTIL 215 AM EST

* AT 1019 PM EST...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY
  RAIN OVER THORNTOWN...OR ABOUT 16 MILES SOUTH OF FRANKFORT...MOVING
  NORTHEAST AT 20 MPH. ADDITIONAL THUNDERSTORMS WILL CONTINUE TO 
  MOVE ACROSS THE AREA THROUGH THE EARLY MORNING. DOPPLER RADAR WAS
  ESTIMATING AS MUCH AS AN INCH AND A HALF HAS ALREADY FALLEN ACROSS
  PARTS OF THE WARNED AREA WITH TWO MORE INCHES POSSIBLE TONIGHT.

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.

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 4044 8670 3995 8666 3994 8625 4043 8627

$$
KOCH

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 22, 9:03 PM ESTFlash Flood WarningINDFountain, Montgomery, Tippecanoe, Vermillion, Warren3 hr
Aug 22, 9:07 PM ESTFlash Flood WarningINDFountain, Montgomery, Tippecanoe, Vermillion, Warren4 hr
Aug 22, 10:20 PM ESTFlash Flood WarningINDBoone, Clinton3 hr
Aug 23, 12:57 AM ESTFlash Flood WarningINDFountain, Montgomery, Tippecanoe, Vermillion, Warren3 hr
Aug 23, 1:05 AM ESTFlash Flood WarningINDFountain, Montgomery, Tippecanoe, Vermillion, Warren4 hr
Aug 23, 1:09 AM ESTFlash Flood WarningINDFountain, Montgomery, Tippecanoe, Vermillion, Warren4 hr
Aug 23, 6:22 PM ESTSevere Thunderstorm WarningINDJohnson, Shelby38 min
Aug 23, 6:43 PM ESTSevere Thunderstorm WarningINDDecatur, Rush47 min

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.