Alert archive / Indiana / Flash Flood Warnings in 1997

Flash Flood Warning 11, NWS Northern Indiana

August 16, 1997Allen County, DeKalb County, Indiana; Defiance County, Ohio

NWS Northern Indiana issued this flash flood warning at Aug 16, 1997, 10:12 PM EST for Allen County, DeKalb County, Indiana; Defiance County, Ohio. 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 counties it named.

The facts

Issued
Aug 16, 1997, 10:12 PM EST (03:12 UTC)
Expired
Aug 17, 1997, 12:15 AM EST
In force
2 hr
Issued by
NWS Northern Indiana
Area
Whole counties

Counties Allen County, IN, DeKalb County, IN, Defiance County, OH

The nearest sounding before it

Detroit, MI (KDTX), launched 00:00Z, 3.2 hours before the alert went out and 199 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 170313
FFWFWA
INC003-033-183-OHC039-170515-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE FORT WAYNE IN
1012 PM EST (1112 PM EDT) SAT AUG 16 1997
 
THE NATIONAL WEATHER SERVICE IN FORT WAYNE HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1215 AM EST (115 AM EDT)
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHEAST INDIANA
 
   ...ALLEN COUNTY...DE KALB COUNTY...WHITLEY COUNTY
 
 
IN NORTHWEST OHIO
 
   ...WESTERN DEFIANCE COUNTY
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING FOR
ALLEN...WHITLEY AND DEKALB COUNTIES OF NORTHEAST INDIANA AND WESTERN
DEFIANCE COUNTY OF EXTREME NORTHWEST OHIO UNTIL 1230 AM EST/130 AM EDT.
 
HEAVY RAIN CONTINUED OVER THE ENTIRE AREA. RADAR ESTIMATES OF 2 TO 3
INCHES OF RAIN PER HOUR IN ADDITION TO ALREADY SATURATED SOIL WILL BRING
FLASH FLOODING TO THE ABOVE NAMED COUNTIES.
HAYES
 
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE D^ANGERS OF FLOODS AND FLASH FLOODS.  IF FLASH FLOODING IS
OBSERVED...ACT QUICKLY.  MOVE UP TO ESCAPE FLOOD WATERS.  DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
 
 
 
&

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 16, 7:08 PM ESTFlash Flood WarningIWXDeKalb97 min
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 WarningIWXWhitley2 hr
Aug 16, 10:20 PM ESTFlash Flood WarningIWXAllen, DeKalb, Whitley2 hr
Aug 16, 8:26 PM ESTFlash Flood WarningIWXDefiance2 hr

Nearby

Flash Flood Warnings in Indiana, 1997Flash Flood Warnings in Ohio, 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.