Alert archive / Ohio / Tornado Warnings in 1987

Tornado Warning 12, NWS Cleveland, OH

August 2, 1987Holmes County, Ohio

NWS Cleveland, OH issued this tornado warning at Aug 2, 1987, 9:46 PM EDT for Holmes County, Ohio. It was in force for 34 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Aug 2, 1987, 9:46 PM EDT (01:46 UTC)
Expired
Aug 2, 1987, 10:20 PM EDT
In force
34 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Holmes County, OH

The radar

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

What was reported inside it

TimeReportWhereRemark
Aug 2, 10:00 PM EDTThunderstorm Wind 0Holmes, OH

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 1.8 hours before the alert went out and 156 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 KCAK 030146
TORCAK
OHC075-030220-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AKRON CANTON OH
946 PM EDT SUN AUG 2 1987
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 1020 PM EDT FOR THE FOLLOWING COUNTY OF
 
NORTHEAST OHIO... HOLMES
 
AT 945 PM EDT HOLMES COUNTY SHERIFF REPORTED A TORNADO ON THE GROUND
NEAR HOLMESVILLE OHIO MOVING SOUTHEAST AT 25 MPH.
 
MARTIN

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 2, 8:03 PM EDTTornado WarningCLETrumbull57 min
Aug 2, 8:04 PM EDTSevere Thunderstorm WarningCLEHuron41 min
Aug 2, 8:11 PM EDTTornado WarningCLECuyahoga34 min
Aug 2, 8:21 PM EDTSevere Thunderstorm WarningCLEPortage, Summit59 min
Aug 2, 8:30 PM EDTSevere Thunderstorm WarningCLELorain, Medina60 min
Aug 2, 8:55 PM EDTSevere Thunderstorm WarningCLEStark, Wayne65 min
Aug 2, 8:59 PM EDTSevere Thunderstorm WarningCLESeneca51 min
Aug 2, 9:24 PM EDTSevere Thunderstorm WarningCLEHuron36 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.