Alert archive / Ohio / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 72, NWS Cleveland, OH

June 30, 1987Ottawa County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jun 30, 1987, 2:19 PM EDT for Ottawa County, Ohio. It was in force for 61 min.

The area

The counties it named.

The facts

Issued
Jun 30, 1987, 2:19 PM EDT (18:19 UTC)
Expired
Jun 30, 1987, 3:20 PM EDT
In force
61 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Ottawa 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, 6.3 hours before the alert went out and 142 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 1987-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 192 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 1987-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 square meters per square second.1939587897Sfc1 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
192 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
651 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
34 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KTOL 301819
SVRTOL
OHC123-301920-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TOLEDO OH
219 PM EDT TUE JUN 30 1987
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 320 PM EDT FOR THE FOLLOWING COUNTY OF
 
NORTH CENTRAL OHIO... OTTAWA
 
...INCLUDING THE ADJACENT WATERS OF LAKE ERIE.
 
AT 215 PM WEATHER SERVICE RADAR INDICATED A POSSIBLE SEVERE
THUNDERSTORM NEAR THE CITY OF GENOA MOVING EAST AROUND 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 30, 1:07 PM EDT, 1 hour 12 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOLEDO OH
102 PM EDT TUE JUN 30 1987

THUNDERSTORMS PRODUCING VERY HEAVY RAINS WERE MOVING ACROSS FULTON
AND LUCAS COUNTIES OF NORTHWEST OHIO EARLY THIS AFTERNOON.

AT 1255 PM THE FULTON COUNTY SHERIFF REPORTED VERY HEAVY RAIN
OCCURRING ACROSS NORTHERN FULTON COUNTY. THESE THUNDERSTORMS
WERE MOVING EAST AROUND 30 MPH AND WILL MOVE ACROSS LUCAS
COUNTY BETWEEN 1 PM AND 2 PM THIS AFTERNOON.

THESE THUNDERSTORMS WILL PRODUCE PONDING OF WATER ON ROADWAYS AS
WELL AS MINOR FLOODING OF LOW LYING AREAS.

KSL
Local storm report, Jun 30, 1:34 PM EDT, 45 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE ERIE, PA
128 PM EDT TUE JUN 30 1987

DATE       TIME      OCCURANCE
6/27       9:20PM    3/4 INCH HAIL AT NORTH SPRINGFIELD BY CO-OP OBSVR.
                     ERIE COUNTY

6/29       10:29PM   LARGE TREES DOWN SAEGERSTOWN  CRAWFORD COUNTY
           10:35PM   TREES DOWN NEAR JAMESTOWN CRAWFORD COUNTY
           10:50PM   TREES DOWN ONTO POWER LINES CAMBRIDGE SPRINGS
                     CRAWFORD COUNTY
           10:53PM   TREES DOWN ONTO POWER LINES CORRY ERIE COUNTY
           11:10PM   TREES DOWN 61/2 MIS N OF TITUSVILLE CRAWFORD COUNTY
NUMEROUS REPORTS OF LIGHTNING INDUCED FIRES TORRENTIAL RAINS PEA SIZE HAIL
AND HIGH WINDS THAT DID NOT CAUSE DAMAGE IN OPEN RURAL AREAS AND POWER
OUTAGES THRUOUT ERIE AND CRAWFORD COUNTIES.

BELL

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 8:05 PM EDTSevere Thunderstorm WarningCLEHancock65 min
Jun 29, 8:07 PM EDTTornado WarningCLEBelmont23 min
Jun 29, 8:27 PM EDTSevere Thunderstorm WarningCLEWyandot48 min
Jun 29, 8:29 PM EDTSevere Thunderstorm WarningCLELorain46 min
Jun 29, 8:37 PM EDTSevere Thunderstorm WarningCLESeneca38 min
Jun 29, 8:40 PM EDTSevere Thunderstorm WarningCLECuyahoga50 min
Jun 29, 8:53 PM EDTSevere Thunderstorm WarningCLELake67 min
Jun 29, 9:30 PM EDTSevere Thunderstorm WarningCLECuyahoga, Geauga60 min
Jun 29, 9:37 PM EDTSevere Thunderstorm WarningCLEAshtabula53 min
Jun 29, 9:45 PM EDTSevere Thunderstorm WarningCLEWayne45 min
Jun 29, 9:55 PM EDTSevere Thunderstorm WarningCLELorain, Medina65 min
Jun 30, 1:37 PM EDTSevere Thunderstorm WarningCLELucas33 min
Jun 30, 6:16 PM EDTTornado WarningCLECarroll44 min

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.