Alert archive / Ohio / Flash Flood Warnings in 1990

Flash Flood Warning 1, NWS Charleston, WV

February 15, 1990Franklin County, Ohio

NWS Charleston, WV issued this flash flood warning at Feb 15, 1990, 5:19 PM EST for Franklin County, Ohio. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Feb 15, 1990, 5:19 PM EST (22:19 UTC)
Expired
Feb 15, 1990, 8:15 PM EST
In force
3 hr
Issued by
NWS Charleston, WV
Area
Whole counties

County Franklin County, OH

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 12:00Z, 10.3 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 1990-02-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1990-02-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 523 square meters per square second.1939587897117136156Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
567 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
523 m²/s²
0-3 km storm-relative helicity
539 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 152219
FFWCMH
OHC049-160115-
 
BULLETIN - EBS ACTIVATION REQUESTED
SMALL STREAM AND URBAN FLOOD WARNING
NATIONAL WEATHER SERVICE COLUMBUS OH
519 PM EST THU FEB 15 1990
 
THE NATIONAL WEATHER SERVICE IN COLUMBUS HAS ISSUED A
SMALL STREAM AND URBAN FLOOD WARNING EFFECTIVE UNTIL  815 PM EST
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN CENTRAL OHIO
          ...FRANKLIN
 
AT 510 PM THIS EVENING COLUMBUS POLICE REPORTED THAT BIG WALNUT CREEK
AT WONDERLAND WAS FLOODING OVER THE ROAD. GAHANNA POLICE ALSO CLOSED
PIZZURRO PARK BECAUSE OF HIGH WATERS.
 
AT 515 PM NATIONAL WEATHER SERVICE RADAR INDICATED MODERATE TO HEAVY
RAIN OVER MOST OF CENTRAL OHIO AND RAINFALL SHOULD CONTINUE THROUGH
THE NIGHT.
 
 
 X

Nearby

Flash Flood Warnings in Ohio, 1990Every flash flood warning in 1990

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.