Alert archive / Ohio / Flash Flood Warnings in 1992

Flash Flood Warning 55, NWS Charleston, WV

July 29, 1992Franklin County, Ohio

NWS Charleston, WV issued this flash flood warning at Jul 29, 1992, 6:02 PM EDT for Franklin County, Ohio. It was in force for 58 min.

The area

The counties it named.

The facts

Issued
Jul 29, 1992, 6:02 PM EDT (22:02 UTC)
Expired
Jul 29, 1992, 7:00 PM EDT
In force
58 min
Issued by
NWS Charleston, WV
Area
Whole counties

County Franklin County, OH

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 12:00Z, 10.0 hours before the alert went out and 102 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 12:00Z on 1992-07-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 509 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 12:00Z on 1992-07-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 square meters per square second.19395878Sfc1 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
509 J/kg
Mixed-layer CIN
-49 J/kg
Mixed-layer LCL
834 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
62 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 KCMH 292202
FFWCMH
OHC049-292300-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE COLUMBUS OH
602 PM EDT WED JUL 29 1992
 
THE NATIONAL WEATHER SERVICE IN COLUMBUS HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL  700 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY......
 
IN CENTRAL OHIO
 
   ...FRANKLIN COUNTY
 
AT 6OO PM AN OBSERVER IN CLINTONVILLE REPORTED OVER ONE -HALF INCH OF
RAIN IN ABOUT ONE HALF HOUR. NATIONAL WEATHER SERVICE RADAR SHOWED AN
AREA OF SHOWERS AND THUNDERSTORMS MOVING THROUGH CENTRAL OHIO. THESE
SHOWERS AND THUNDERSTORMS WILL CAUSE HEAVY DOWNPORS OF RAIN IN A BRIEF
OF TIME.
 
MOST OF THE RAIN WILL BE THROUGH THE GREATER COLUMBUS AREA BY 7 PM
EDT.
 
LVW
 
 
 
 
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE 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.

The office that day

Everything else NWS Charleston, WV issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 29, 6:14 PM EDTFlash Flood WarningRLXFayette, Pickaway2 hr
Jul 29, 6:42 PM EDTFlash Flood WarningRLXFairfield, Licking101 min
Jul 29, 6:42 PM EDTFlash Flood WarningRLXRoss3 hr
Jul 29, 6:53 PM EDTFlash Flood WarningRLXRoss3 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.