Alert archive / Ohio / Tornado Warnings in 1987

Tornado Warning 1, NWS Wilmington, OH

June 1, 1987Crawford County, Ohio

NWS Wilmington, OH issued this tornado warning at Jun 1, 1987, 9:50 PM EDT for Crawford County, Ohio. It was in force for 60 min.

The area

The counties it named.

The facts

Issued
Jun 1, 1987, 9:50 PM EDT (01:50 UTC)
Expired
Jun 1, 1987, 10:50 PM EDT
In force
60 min
Issued by
NWS Wilmington, OH
Area
Whole counties

County Crawford 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, 1.8 hours before the alert went out and 151 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 1987-06-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 359 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, Dayton/James M C, OH at 00:00Z on 1987-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 80 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
359 J/kg
Mixed-layer CIN
-62 J/kg
Mixed-layer LCL
1303 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
80 m²/s²
0-3 km storm-relative helicity
95 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMFD 020150
TORMFD
OHC033-020250-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MANSFIELD OH
ISSUED BY CLEVELAND
950 PM EDT MON JUN 1 1987
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 1050 PM EDT FOR THE FOLLOWING COUNTY OF
 
NORTH CENTRAL OHIO... CRAWFORD
 
AT 945 THIS EVENING CLEVELAND WEATHER RADAR SHOWED AN INTENSE
THUNDERSTORM MOVING FROM SENECA COUNTY INTO CRAWFORD COUNTY.  THIS
STORM APPARENTLY PRODUCED A TORNADO IN SENECA COUNTY... AND PEOPLE IN
CRAWFORD COUNTY SHOULD PREPARE FOR THE STORM.
 
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.
 
PEROUTKA

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 2, 6:24 PM EDTSevere Thunderstorm WarningILNShelby26 min
Jun 2, 6:45 PM EDTSevere Thunderstorm WarningILNHardin45 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.