Alert archive / Ohio / Flash Flood Warnings in 1997

Flash Flood Warning 95, NWS Wilmington, OH

June 30, 1997Fayette County, Pickaway County, Ohio

NWS Wilmington, OH issued this flash flood warning at Jun 30, 1997, 7:42 PM EDT for Fayette County, Pickaway County, Ohio. It was in force for 93 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
Jun 30, 1997, 7:42 PM EDT (23:42 UTC)
Expired
Jun 30, 1997, 9:15 PM EDT
In force
93 min
Issued by
NWS Wilmington, OH
Area
Whole counties

Counties Fayette County, OH, Pickaway County, OH

The radar

The Cincinnati radar (KILN), 54 km from the middle of the area, began a volume at 23:46 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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.7 hours before the alert went out and 52 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 12:00Z on 1997-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 435 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 12:00Z on 1997-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 17 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
435 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
497 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
17 m²/s²
0-3 km storm-relative helicity
28 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 302342
FFWILN
OHC047-129-010115-

BULLETIN
FLOOD WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
742 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 915
PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...

IN CENTRAL OHIO

   ...FAYETTE COUNTY
   ...PICKAWAY COUNTY
 
A LINE THUNDERSTORMS PRODUCING HEAVY RAIN WILL MOVE SLOLWY TO THE
NORTHEAST ACROSS PICKAWAY COUNTY.  DOPPLER RADAR ESTIMATES INDICATE
BETWEEN TWO AND THREE INCHES OF RAIN BETWEEN WILLIAMSPORT AND
PANCOASTBURG IN WESTERN PICKAWAY COUNTY AND EASTERN FAYETTE COUNTY.
 
NEVER DRIVE INTO A FLOODED STRETCH OF ROAD.  THE DEPTH OF WATER MAY
BE ENOUGH vTO FLOAT YOUR VEHICLE.

KELLS

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, 4 hours 41 minutes earlier.

Area forecast discussion, Jun 30, 3:01 PM EDT, 4 hours 41 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; radar from the NEXRAD Level II archive.