Alert archive / Ohio / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 39, NWS Wilmington, OH

May 17, 1986Shelby County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at May 17, 1986, 8:39 PM EDT for Shelby County, Ohio. It was in force for 41 min.

The area

The counties it named.

The facts

Issued
May 17, 1986, 8:39 PM EDT (00:39 UTC)
Expired
May 17, 1986, 9:20 PM EDT
In force
41 min
Issued by
NWS Wilmington, OH
Area
Whole counties

County Shelby 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 00:00Z, 0.7 hours before the alert went out and 48 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 1986-05-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 321 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 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 1986-05-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 65 square meters per square second.193958Sfc1 km3 km6 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
321 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
1706 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
65 m²/s²
0-3 km storm-relative helicity
106 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.9

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.

What forecasters said that day

The local office's own words before this severe thunderstorm 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, May 17, 8:10 PM EDT, 29 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DAYTON OH
805 PM EDT WED MAY 14 1986

THE TORNADO WATCH WHICH COVER MOST OF NORTHERN OHIO HAS BEEN CANCELLED.

NATIONAL WEATHER SERVICE RADAR SHOWED A SMALL AREA OF THUNDERSTORMS FROM
NORTH OF DAYTON TO NORTHWEST DARKE COUNTY. THE AREA WAS MOVING NORTHEAST
AROUND 35 MPH. HEAVY RAIN, GUSTY SURFACE WIND AND DANGERIOUS LIGHTNING HAD
BEEN REPORTED WITH SOME OF THESE STORMS. THE AREA WILL CONTINUE TSO MOVE
NORTHEAST AND WILL BE DECREASING INTENSITY.

TORRENCE

The office that day

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

IssuedProductOfficeCountiesLasted
May 17, 9:04 PM EDTSevere Thunderstorm WarningILNPreble56 min
May 17, 9:13 PM EDTSevere Thunderstorm WarningILNGreene, Montgomery48 min

Nearby

Severe Thunderstorm Warnings in Ohio, 1986Every severe thunderstorm warning in 1986

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.