Alert archive / Ohio / Tornado Warnings in 1987

Tornado Warning 3, NWS Wilmington, OH

August 2, 1987Ashland County, Ohio

NWS Wilmington, OH issued this tornado warning at Aug 2, 1987, 8:54 PM EDT for Ashland County, Ohio. It was in force for 46 min.

The area

The counties it named.

The facts

Issued
Aug 2, 1987, 8:54 PM EDT (00:54 UTC)
Expired
Aug 2, 1987, 9:40 PM EDT
In force
46 min
Issued by
NWS Wilmington, OH
Area
Whole counties

County Ashland 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, 0.9 hours before the alert went out and 190 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 1987-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2494 joules per kilogram.LCLEL10008507005003002001001 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 1987-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 49 square meters per square second.193958Sfc1 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
2494 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
1182 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
49 m²/s²
0-3 km storm-relative helicity
129 m²/s²
Significant tornado parameter
0.6
Supercell composite
4.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMFD 030055 RRA
TORMFD
OHC005-030140-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MANSFIELD OH
854 PM EDT SUN AUG 2 1987
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 940 PM EDT FOR THE FOLLOWING COUNTY OF
 
NORTH CENTRAL OHIO... ASHLAND
 
A TORNADO WAS SIGHTED OVER SULLIVAN IN NORTHERN ASHLAND COUNTY
MOVING SOUTHEAST AT 25 MPH.
 
IF YOU ARE INDOORS GET TO THE BASEMENT OR LOWEST FLOOR POSSIBLE IN AN
INTERIOR ROOM LIKE A CLOSET OR BATHROOM.  IF NO SUCH ROOM IS AVAILABLE
GET UNDER A STURDY STRUCTURE LIKE A STAIRCASE OR WORKBENCH.  AVOID AREAS
WITH WINDOWS.
 
DB

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 2, 8:47 PM EDTSevere Thunderstorm WarningILNHardin33 min
Aug 2, 9:17 PM EDTSevere Thunderstorm WarningILNCrawford, Richland63 min
Aug 2, 9:20 PM EDTSevere Thunderstorm WarningILNLogan50 min
Aug 2, 9:30 PM EDTSevere Thunderstorm WarningILNMorrow60 min
Aug 2, 9:59 PM EDTSevere Thunderstorm WarningILNAshland51 min
Aug 2, 10:39 PM EDTSevere Thunderstorm WarningILNAllen41 min
Aug 2, 10:57 PM EDTSevere Thunderstorm WarningILNHardin43 min
Aug 2, 11:20 PM EDTSevere Thunderstorm WarningILNMercer50 min
Aug 2, 11:26 PM EDTSevere Thunderstorm WarningILNAuglaize44 min
Aug 2, 11:43 PM EDTSevere Thunderstorm WarningILNLogan47 min

Nearby

Tornado Warnings in Ohio, 1987Every tornado warning in 1987Tornadoes in 1987

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.