Alert archive / Ohio / Flash Flood Warnings in 1997

Flash Flood Warning 78, NWS Wilmington, OH

June 9, 1997Hamilton County, Ohio

NWS Wilmington, OH issued this flash flood warning at Jun 9, 1997, 12:30 AM EDT for Hamilton County, Ohio. It was in force for 3 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 9, 1997, 12:30 AM EDT (04:30 UTC)
Expired: Jun 9, 1997, 3:00 AM EDT
In force: 3 hr
Issued by: NWS Wilmington, OH
Area: Whole counties

County Hamilton County, OH

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 4.5 hours before the alert went out and 69 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 722 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: -11 m²/s²
0-3 km storm-relative helicity: 50 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 8, 8:21 PM EDT, 4 hours 9 minutes earlier.

Area forecast discussion, Jun 8, 8:21 PM EDT, 4 hours 9 minutes before

FORECAST COORDINATION MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
820 PM EDT SUN JUN 8 1997

PCPN THAT WAS PUSHING THRU S/SW SECTIONS OF CWA HAS SPLIT INTO TWO
AREAS. ONE AREA IS HEADING ENE AND REMAINING JUST S OF LEWIS/SCIOTO
COUNTIES...WHILE A LARGER AREA OF -RA/RA HAS PUSHED SLOWLY TWD NNW AND
IS NOW SPINNING OVER SW/W CNTL OH AND E CNTL IN. THIS AREA OF PCPN
HAVING TROUBLE ADVANCING INTO DRIER AIRMASS N/E OF GREENVILLE/DAY/ILN
LINE.

FCST PROBLEMS CENTER ON POPS OVERNITE. FOR W COUNTIES OF OH AREA 7/E
CNTL IN...-RA/RA WL CONTINUE THRU FIRST HALF OF NITE...BUT THIS
AREA OF PCPN SHUD GRADUALLY DIMINISH...AND CHC POPS SHUD WORK OUT FOR
THIS AREA LATER TONITE. ACRS REST OF SE IN/OH AREAS 9/10/N KY...PCPN
COVERAGE HAS DECREASED THIS EVE AND IS CURRNTLY SPOTTY. HOWEVER...12Z
MDLS INSISTED THAT MSTR/LIFT WL BE SUFFICIENT FOR ADDL PCPN TO DEVELOP
ACRS THIS REGION OVERNITE...AND THIS SOLN LOOKS REASONABLE...SO LIKELY
POPS STILL IN ORDER. HOWEVER...PREFER TO DROP MENTION OF TSTMS ACRS S
OH.

FARTHER N/E...CANNOT RULE OUT A -SHRA OR TWO ACRS S/W COUNTIES OF OH
AREA 8...BUT MOST OF AREA SHUD REMAIN RAIN-FREE THRU NIGHT. ACRS OH
AREA 6...COUPLE OF -SHRA MAY SNEAK INTO SIDNEY/MERCER/AUGLAIZE COUNTIES
THIS EVE...BUT OVERNITE SHUD BE P/C...AND MOST OF AREA WL BE RAIN-FREE.

EXPECT WDSPRD LOS IN THE MIDDLE 50S OVERNITE.

ROWLEY

The office that day

Everything else NWS Wilmington, OH issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 9, 2:50 AM EDT	Flash Flood Warning	ILN	Hamilton	3 hr

Nearby

Flash Flood Warnings in Ohio, 1997 Every 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.