Alert archive / Indiana / Flash Flood Warnings in 1997

Flash Flood Warning 8, NWS Northern Indiana

August 16, 1997DeKalb County, Indiana

NWS Northern Indiana issued this flash flood warning at Aug 16, 1997, 7:08 PM EST for DeKalb County, Indiana. It was in force for 97 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 16, 1997, 7:08 PM EST (00:08 UTC)
Expired
Aug 16, 1997, 8:45 PM EST
In force
97 min
Issued by
NWS Northern Indiana
Area
Whole counties

County DeKalb County, IN

The nearest sounding before it

Detroit, MI (KDTX), launched 00:00Z, 0.1 hours before the alert went out and 196 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, Detroit, MI at 00:00Z on 1997-08-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 861 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, Detroit, MI at 00:00Z on 1997-08-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 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
861 J/kg
Mixed-layer CIN
-136 J/kg
Mixed-layer LCL
1182 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
86 m²/s²
Significant tornado parameter
0.1
Supercell composite
3.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KFWA 170009
FFWFWA
INC033-170145-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE FORT WAYNE IN
708 PM EST SAT AUG 16 1997
 
THE NATIONAL WEATHER SERVICE IN FORT WAYNE HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  845 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHEAST INDIANA
 
   ...DE KALB COUNTY
 
VERY HEAVY RAIN HAS BEEN FALLING ON DEKALB COUNTY THIS EVENING. A RAIN
GAUGE AT AUBURN MEASURED MORE THAN TWO INCHES OF RAINFALL BETWEEN 530PM
AND 7PM. MORE HEAVY RAIN WILL BE FALLING ON DEKALB COUNTY THIS EVENING
AS THUNDERSTORMS CONTINUE TO MOVE THROUGH THE COUNTY.
 
ALL COMMUNITIES IN DEKALB COUNTY...INCLUDING AUBURN...WATERLOO...AND
SAINT JOE...ARE AFFECTED BY THIS FLASH FLOOD WARNING.
 
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT.  MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.  DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS
THE ROADWAY.  NEVER T:RY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT.  TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.
 
 
REAUGH

The office that day

Everything else NWS Northern Indiana issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 16, 8:26 PM ESTFlash Flood WarningIWXDeKalb, LaGrange, Noble2 hr
Aug 16, 8:39 PM ESTSevere Thunderstorm WarningIWXLaGrange, Noble61 min
Aug 16, 10:12 PM ESTFlash Flood WarningIWXAllen, DeKalb2 hr
Aug 16, 10:12 PM ESTFlash Flood WarningIWXWhitley2 hr
Aug 16, 10:20 PM ESTFlash Flood WarningIWXAllen, DeKalb, Whitley2 hr

Nearby

Flash Flood Warnings in Indiana, 1997Every flash flood warning in 1997

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.