Alert archive / Indiana / Flash Flood Warnings in 2001

Flash Flood Warning 4, NWS Indianapolis, IN

July 8, 2001Clay County, Sullivan County, Vigo County, Indiana

NWS Indianapolis, IN issued this flash flood warning at Jul 8, 2001, 11:38 PM EST for Clay County, Sullivan County, Vigo County, 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 outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued
Jul 8, 2001, 11:38 PM EST (04:38 UTC)
Expired
Jul 9, 2001, 1:45 AM EST
In force
2 hr
Issued by
NWS Indianapolis, IN
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Clay County, IN, Sullivan County, IN, Vigo County, IN

The radar

The Indianapolis radar (KIND), 105 km from the middle of the area, began a volume at 04:39 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, 4.6 hours before the alert went out and 145 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 2001-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 623 joules per kilogram.LCLLFCEL10008507005003002001001 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 2001-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 72 square meters per square second.193958Sfc1 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
623 J/kg
Mixed-layer CIN
-272 J/kg
Mixed-layer LCL
1903 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
72 m²/s²
0-3 km storm-relative helicity
141 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KIND 090440
FFWIND

INC021-153-167-090745-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1138 PM EST SUN JUL 8 2001

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN SULLIVAN COUNTY IN SOUTHWEST INDIANA
  SOUTHERN CLAY COUNTY IN WEST CENTRAL INDIANA
  SOUTHERN VIGO COUNTY IN WEST CENTRAL INDIANA

* UNTIL 245 AM EST

* AT 1134 PM EST...WEATHER SERVICE DOPPLER RADAR INDICATED AN AREA  
OF HEAVY RAIN PRODUCING THUNDERSTORMS ACROSS SOUTHERN PARTS OF VIGO 
AND CLAY COUNTIES AND THE NORTHERN PART OF SULLIVAN COUNTIES. THE 
AREA OF THUNDERSTORMS WAS VERY SLOW MOVING AND DOPPLER RADAR WAS 
INDICATING GREATER THAN 2 INCHES OF RAIN AN HOUR ACROSS PARTS OF 
THESE COUNTIES.

* THE THUNDERSTORM WITH EXCESSIVE RAINFALL WILL BE NEAR...
  CLAY CITY AT MIDNIGHT 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 3933 8753 3920 8757 3917 8709 3931 8707

KOCH
1 follow-up statement
000 
WGUS53 KIND 090535
INC021-153-167-090745-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1235 AM EST MON JUL 9 2001

...A FLASH FLOOD WARNING IS IN EFFECT FOR NORTHERN SULLIVAN COUNTY   
SOUTHERN CLAY COUNTY AND SOUTHERN VIGO COUNTY UNTIL 245 AM EST...

AT 1230 AM...THUNDERSTORMS WITH HEAVY RAINFALL AND DANGEROUS 
LIGHTNING WERE FROM SULLIVAN THROUGH LINTON AND BLOOMFIELD TO JUST 
NORTHWEST OF BEDFORD. THE STORMS WERE MOVING SOUTHEAST TOWARD 
VINCENNES...WASHINGTON...SHOALS AND BEDFORD.

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.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 8, 7:05 PM ESTSevere Thunderstorm WarningINDJackson40 min
Jul 9, 2:47 AM ESTFlash Flood WarningINDSullivan118 min

Nearby

Flash Flood Warnings in Indiana, 2001Every 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.