Alert archive / Ohio / Flash Flood Warnings in 1989

Flash Flood Warning 16, NWS Wilmington, OH

November 15, 1989Ashland County, Knox County, Richland County, Ohio

NWS Wilmington, OH issued this flash flood warning at Nov 15, 1989, 8:10 PM EST for Ashland County, Knox County, Richland County, Ohio. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Nov 15, 1989, 8:10 PM EST (01:10 UTC)
Expired
Nov 15, 1989, 11:00 PM EST
In force
3 hr
Issued by
NWS Wilmington, OH
Area
Whole counties

Counties Ashland County, OH, Knox County, OH, Richland 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

Pittsburgh, PA (KPIT), launched 00:00Z, 1.2 hours before the alert went out and 197 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, Pittsburgh, PA at 00:00Z on 1989-11-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 41 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, Pittsburgh, PA at 00:00Z on 1989-11-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 246 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
41 J/kg
Mixed-layer CIN
-85 J/kg
Mixed-layer LCL
1081 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
246 m²/s²
0-3 km storm-relative helicity
242 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.

Nearby

Flash Flood Warnings in Ohio, 1989Every flash flood warning in 1989

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.