Alert archive / Ohio / Flash Flood Warnings in 1997

Flash Flood Warning 81, NWS Wilmington, OH

June 16, 1997Clermont County, Ohio

NWS Wilmington, OH issued this flash flood warning at Jun 16, 1997, 6:43 PM EDT for Clermont 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 16, 1997, 6:43 PM EDT (22:43 UTC)
Expired: Jun 16, 1997, 8:45 PM EDT
In force: 2 hr
Issued by: NWS Wilmington, OH
Area: Whole counties

County Clermont County, OH

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 10.7 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-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: 1146 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 101 m²/s²
0-3 km storm-relative helicity: 89 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 162247 COR
FFWILN
OHC025-170045-

BULLETIN
FLOOD WARNING...CORRECTED
NATIONAL WEATHER SERVICE WILMINGTON OH
643 PM EDT MON JUN 16 1997

THE NATIONAL WEATHER SERVICE IN WILMINGTON OH HAS ISSUED A
FLOOD WARNING FOR URBAN AREAS AND SMALL STREAMS EFFECTIVE UNTIL 845
PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION...

IN SOUTHWEST OHIO

   ...CLERMONT COUNTY
 
AT 642 PM EDT...DOPPLER RADAR WAS ESTIMATING AROUND 2.5 INCHES OF
RAIN HAD FALLEN SINCE 6 PM JUST NORTH OF BATAVIA. THIS AMOUNT OF
RAIN WILL CAUSE CREEKS AND SMALL STREAMS TO COME OUT OF THEIR BANKS.
 
IF FLASH FLOODING IS OBSERVED...ACT QUICKLY.  MOVE TO ESCAPE FLOOD
WATERS.  DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS
RISING.

FARINAP

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 16, 3:06 PM EDT, 3 hours 37 minutes earlier.

Area forecast discussion, Jun 16, 3:06 PM EDT, 3 hours 37 minutes before

FORECAST COORDINATION MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
305 PM EDT MON JUN 16 1997

LTST SFC ANLYS SHWG CDFNT FM SRN LK MICH ACRS NRN IL INTO NRN MO WITH
SCNDRY BNDRY OUT AHD OF FNT ACRS NRN IND. NOT A WHOLE LOT IN THE WAY OF
TSTMS SHWG UP ON RADAR ATTM. BEST ACTVTY TO THE SW OF FA THO SOME HVYR
SHWRS HAV PUSHED INTO CVG AREA. PCPN BACK ACRS IND FAIRLY LGT. AMS
STILL FAIRLY STABLE ACRS FA AND WITH LWR CLDS PUSHG IN...TMPS HAV
PEAKED. THUS...WUD XPCT PCPN TO MAINLY BE IN THE FORM OF SHWRS THRU
RMNDR OF EVNG THO WITH WK UPR LVL DYNMAMICS CONTG...SCT TSTMS STILL
PSBL.  MAIN THREAT WITH TSTMS APPEARS TO BE HVY RAIN...ESPCLY ACRS SRN
FA WHR PWS CLOSE TO 1.6 AT 00Z.

MDLS SIMILAR IN BRINGING FNT THRU FA OVRNGT TNGT AS VORT AXIS SWINGS
THRU. BY 12Z TUE...FNT LOCATED JUST S AND E OF FA WITH DECENT DRYING
ACRS AREA. BY THIS EVNG...DPR MSTR ALREADY OUT OF NW FA AND BY 06Z
PRETTY MUCH OUT OF ENTIRE FA. THUS...SHUD SEE PCPN TAPER OFF ACRS FA NW
TO SE THRU MIDNGT THO PCPN LIKELY TO LINGER INTO ERLY MRNG HRS ACRS S
CNTRL OH. WITH DRIER AIR WORKING IN...SHUD SEE SKIES BCMG PRTLY CLDY
OVRNGT.

FNT HANGS UP JUST S OF FA ON TUE AS NXT S/W APRCHS FM THE SW LATE IN THE
DAY. FEEL MOST OF FA WL RMN DRY ON TUE BUT WITH FNT IN VCNTY...AND 8H
MSTR CONV INCRSG ACRS FAR S LATE...MAY NEED TO HANG ON TO CHC POPS ACRS
NRN KY CNTYS FOR TUE. FNT SHUD PUSH SLOWLY BACK N ACRS FA TUE NGT AS
S/W MOVS IN AND LLVL FLOW BCMS MORE SLY. WITH DECENT MSTR CONV AND SOME
PVA...SHWRS LIKELY ACRS MOST OF FA TUE NGT. XCPTN ACRS LIMA AREA WHR
CHC POPS SEEM RSNBL. PCPN LIKELY TO CONT INTO WED...ESPCLY ACRS SRN AND
ERN FA WITH SOME PSBL DRYING INTO NW FA THRU THE AFTN.

WITH SOME SUN ON TUE...PREFER TO GO CLOSER TO WRMR FWC TMPS FOR HIGHS.
FWC/FAN CLOSE FOR HIGHS WED AND WL STAY CLOSE.

CVG 65/83/67/80 6376
CMH 64/84/63/79 6156
DAY 64/83/64/80 5265

LOTT

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 16, 6:47 PM EDT	Flash Flood Warning	ILN	Delaware, Franklin	2 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.