Alert archive / Ohio / Flash Flood Warnings in 1997

Flash Flood Warning 96, NWS Wilmington, OH

June 30, 1997Van Wert County, Ohio

NWS Wilmington, OH issued this flash flood warning at Jun 30, 1997, 8:12 PM EDT for Van Wert 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
Jun 30, 1997, 8:12 PM EDT (00:12 UTC)
Expired
Jun 30, 1997, 10:15 PM EDT
In force
2 hr
Issued by
NWS Wilmington, OH
Area
Whole counties

County Van Wert County, OH

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 0.2 hours before the alert went out and 172 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, Cncnati-Daytn, OH at 00:00Z on 1997-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 517 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, Cncnati-Daytn, OH at 00:00Z on 1997-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 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
517 J/kg
Mixed-layer CIN
-27 J/kg
Mixed-layer LCL
935 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
40 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 
TTAA00 KILN 010013
FFWILN
OHC161-010215-

BULLETIN
FLOOD WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
812 PM EDT MON JUN 30 1997

THE NATIONAL WEATHER SERVICE IN WILMINGTON OH HAS ISSUED A
FLOOD WARNING FOR URBAN AREAS AND SMALL STREAMS EFFECTIVE UNTIL
1015 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN WEST CENTRAL OHIO

   ...VAN WERT COUNTY
 
STRONG THUNDERSTORMS HAVE PRODUCED HEAVY RAINS OVER MUCH OF VAN
WERT COUNTY THIS EVENING. DOPPLER RADAR ESTIMATES INDICATE THAT
BETWEEN TWO AND THREE INCHES OF RAIN HAVE FALLEN BETWEEN VAN WERT
AND WETZEL SINCE 7 PM EDT.

ADDITIONAL STRONG THUNDERSTORMS WILL MOVE ACROSS VAN WERT COUNTY
THROUGH 9 PM EDT. THESE STORMS WILL PRODUCE AN ADDITIONAL ONE TO
TWO INCHES OF RAIN. THIS WILL RESULT IN AREAS OF
FLOODING...ESPECIALLY IN LOW LYING AREAS AND ALONG SMALLER CREEKS
AND STREAMS.
 
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE
ROADWAY.  THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY.  VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED
QUICKLY.  MOVE TO HIGHER GROUND.

LOTT

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Wilmington, OH wrote its last area forecast discussion before this flash flood warning went out at Jun 30, 3:01 PM EDT, 5 hours 11 minutes earlier.

Area forecast discussion, Jun 30, 3:01 PM EDT, 5 hours 11 minutes before
FORECAST COORDINATION MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
300 PM EDT MON JUN 30 1997

18Z SFC ANALYSIS INDICATED BROAD SLY FLOW ACROSS THE OH VLY WITH UPPER
60S TO LWR 70S DEWPOINTS ACROSS FA.  SHRA/TSRA WERE DEVELOPING ACROSS
FA BUT REMAINED SCT...WHILE BETTER COVERAGE WAS CLOSER TO H5 VORT
ACROSS IL-IN.  MODELS FCST THIS FEATURE TO MOVE TO OH-IN BORDER BY 12Z.
THUS...XPCT SHRA/TSRA TO INCREASE IN COVERAGE OVERNIGHT.  PREFER LIKELY
POPS WITH MENTION OF +RA.  WL NEED TO KEEP LOW CHC IN WRN FA IN THE AM
HRS ON TUE WITH BECMG P/S BY THE PM.  LIKELY AND ENDING IN THE PM FOR
ERN FA.

STRONG SYSTEM TO DEVELOP ACROSS NRN MS VLY AND MOVE INTO THE LAKES BY
FRI.  ETA MODEL SHOWS SHARP THTE RIDGE JUST W OF FA AT 12Z WED.  WITH
STRONG UPPER SUPPORT AND SUFFICIENT LOW-LEVEL MOISTURE...THIS SYSTEM
HAS POTENTIAL TO PRODUCE SVR WX.  HOWEVER...ETA HINTING AT SOME CAPPING
WHICH MAY KEEP TSRA FROM DEVELOPING TOO FAR S.  PREFER TO HAVE CHC PM
TSRA VC LIMA-DAY.  ELSEWHERE MAY EITHER BE CAPPED OR WL NOT GET THE
TSRA UNTIL WED NIGHT.

CVG 69/83/66/90 730
DAY 69/82/66/90 730
CMH 68/81/67/89 760

WILKINSON

Nearby

Flash 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.