Alert archive / Ohio / Flash Flood Warnings in 1992

Flash Flood Warning 10, NWS Cleveland, OH

July 17, 1992Hancock County, Putnam County, Ohio

NWS Cleveland, OH issued this flash flood warning at Jul 17, 1992, 4:46 AM EDT for Hancock County, Putnam County, Ohio. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Jul 17, 1992, 4:46 AM EDT (08:46 UTC)
Expired
Jul 17, 1992, 8:45 AM EDT
In force
4 hr
Issued by
NWS Cleveland, OH
Area
Whole counties

Counties Hancock County, OH, Putnam County, OH

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 00:00Z, 8.8 hours before the alert went out and 126 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, Dayton/James M C, OH at 00:00Z on 1992-07-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1591 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, Dayton/James M C, OH at 00:00Z on 1992-07-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 111 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
1591 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
844 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
111 m²/s²
0-3 km storm-relative helicity
117 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KTOL 170849
FFWTOL
OHC063-137-171245-
 
BULLETIN
URBAN AND SMALL STREAM FLOOD WARNING
NATIONAL WEATHER SERVICE TOLEDO OH
446 AM EDT FRI JUL 17 1992
 
THE NATIONAL WEATHER SERVICE IN TOLEDO HAS ISSUED AN
FLOOD WARNING EFFECTIVE UNTIL  845 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHWEST OHIO
 
   ...HANCOCK COUNTY...PUTNAM COUNTY
 
AT 445 AM WEATHER RADAR INDICATED SHOWERS CONTINUING OVER PUTNAM AND
HANCOCK COUNTIES OF NORTHWEST OHIO. THE PUTNAM AND HANCOCK COUNTY
SHERIFF`S OFFICES REPORTED THAT HIGH WATER SIGNS WERE POSTED ON
SEVERAL COUNTY AND STATE ROADS. WATER COVERED ROADWAYS WILL LIKELY
BECOME MORE NUMEROUS...AND SOME MAY BE CLOSED AS THE RAIN CONTINUES TO
POND IN LOW LYING AREAS.
 
THE SMALL STREAM AND URBAN FLOOD WARNING FOR SENECA AND WYANDOT
COUNTIES EXPIRED AT 445 AM. THERE HAVE BEEN NO REPORTS OF FLOODING IN
THESE COUNTIES.
 
A FLOOD WATCH IS IN EFFECT FOR ALL OF OHIO TODAY...SO
PEOPLE SHOULD BE ALERT TO POTENTIAL FLOODING.
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS.  DO NOT STAY IN AREAS SUBJECT TO FLOODING
WHEN WATER BEGINS RISING.
 
MURPHY

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.

In the hours before

Special weather statement, Jul 17, 4:29 AM EDT, 17 minutes before
OHZALL-181200-

SEVERE WEATHER OUTLOOK FOR OHIO
NATIONAL WEATHER SERVICE CLEVELAND OH
430 AM EDT FRI JUL 17 1992

THE NATIONAL WEATHER SERVICE SAYS THAT THERE IS A MODERATE THREAT OF
SEVERE THUNDERSTORMS OVER THE SOUTHEAST HALF OF OHIO TODAY. IN THE
NORTHWEST THE CHANCE OF SEVERE STORMS WILL BE LOWER TODAY...BUT SOME
MAY STILL OCCUR.

KWIATKOWSKI

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 17, 12:50 AM EDTFlash Flood WarningCLEHancock, Seneca, Wyandot4 hr
Jul 17, 12:50 AM EDTFlash Flood WarningCLEPutnam4 hr
Jul 17, 8:48 AM EDTFlash Flood WarningCLEHancock, Putnam5 hr
Jul 17, 12:11 PM EDTFlash Flood WarningCLESeneca5 hr
Jul 17, 1:45 PM EDTFlash Flood WarningCLEAshtabula, Cuyahoga, Geauga, Lake4 hr

Nearby

Flash Flood Warnings in Ohio, 1992Every flash flood warning in 1992

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.