Alert archive / Ohio / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 39, NWS Cleveland, OH

June 12, 1987Lucas County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jun 12, 1987, 3:11 PM EDT for Lucas County, Ohio. It was in force for 69 min.

The area

The counties it named.

The facts

Issued
Jun 12, 1987, 3:11 PM EDT (19:11 UTC)
Expired
Jun 12, 1987, 4:20 PM EDT
In force
69 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Lucas 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

Detroit, MI (KFNT), launched 12:00Z, 7.2 hours before the alert went out and 115 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, Detroit, MI at 12:00Z on 1987-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 435 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, Detroit, MI at 12:00Z on 1987-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 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
435 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
605 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
86 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KTOL 121911
SVRTOL
OHC095-122020-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TOLEDO OH
311 PM EDT FRI JUN 12 1987
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 420 PM EDT FOR THE FOLLOWING COUNTY OF
 
NORTHWEST OHIO... LUCAS
 
...INCLUDING THE ADJACENT WATERS OF LAKE ERIE.
 
AT 307 PM WEATHER SERVICE RADAR INDICATED A POSSIBLE SEVERE
THUNDERSTORM OVER NORTHERN LU'CAS COUNTY MOVING EAST-SOUTHEAST
AT 30 MPH.
 
THIS THUNDERSTORM MAY PRODUCE LARGE HAIL...HEAVY RAIN...DAMAGING WINDS
AND DANGEROUS LIGHTNING.  SEEK SHELTER FROM THIS STORM.
 
KSL

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, Jun 12, 2:41 PM EDT, 30 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOLEDO OH
238 PM EDT FRI JUN 12 1987

SHOWERS AND THUNDERSTORMS WERE MOVING TOWARDS NORTHWEST OHIO
EARLY THIS AFTERNOON.

AT 235 PM WEATHER SERVICE RADAR INDICATED SHOWERS AND THUNDERSTORMS
EXTENDING EAST TO WEST ACROSS EXTREME SOUTHEAST LOWER MICHIGAN.
THESE SHOWERS AND THUNDERSTORMS WERE MOVING EAST-SOUTHEAST AROUND
30 MPH AND WILL ENTER NORTHERN FULTON AND NORTHERN LUCAS COUNTIES
AROUND 3 PM.

THESE SHOWERS AND THUNDERSTORMS ARE CAPABLE OF PRODUCING BRIEF
HEAVY RAINS..STRONG GUSTY WINDS AND POSSIBLE HAIL.

PEOPLE THROUGHOUT ALL OF NORTHWEST OHIO SHOULD BE PREPARED FOR RAPIDLY
CHANGING WEATHER CONDITIONS FOR THE NEXT SEVERAL HOURS.
KSL

Nearby

Severe Thunderstorm Warnings in Ohio, 1987Every severe thunderstorm warning 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.