Alert archive / Ohio / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 112, NWS Cleveland, OH

July 20, 1992Henry County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jul 20, 1992, 2:37 PM EDT for Henry County, Ohio. It was in force for 53 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
Jul 20, 1992, 2:37 PM EDT (18:37 UTC)
Expired
Jul 20, 1992, 3:30 PM EDT
In force
53 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Henry County, OH

What was reported inside it

TimeReportWhereRemark
Jul 20, 2:50 PM EDTHail 1Henry, 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

Dayton/James M C, OH (KDAY), launched 12:00Z, 6.6 hours before the alert went out and 160 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 12:00Z on 1992-07-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1250 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 12:00Z on 1992-07-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -30 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
1250 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
879 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
-30 m²/s²
0-3 km storm-relative helicity
-16 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 201837
SVRTOL
OHC069-201930-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE TOLEDO OH
237 PM EDT MON JUL 20 1992

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 330 PM EDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE STATE OF OHIO
      HENRY

AT 235 PM EDT A POSSIBLE SEVERE THUNDERSTORM WAS LOCATED OVER HENRY
COUNTY WEST OF NAPOLEON.  THIS STORM CONTAINED VERY STRONG WINDS
...HAIL...HEAVY RAIN AND DANGEROUS LIGHTNING.

THE STORM WAS MOVING EAST AROUND 45 MPH AND WILL BE NEAR GRAND
RAPIDS BY 315 PM EDT.
THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH...PREPARE FOR
DAMAGING WINDS...LARGE HAIL...AND DEADLY LIGHTNING.  PEOPLE OUTSIDE
SHOULD MOVE TO SHELTER...PREFERABLY INSIDE A STRONG BUILDING.  ONCE
INSIDE...STAY AWAY FROM WINDOWS.

 ELH

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, Jul 20, 1:13 PM EDT, 1 hour 24 minutes before
PAZOO1-002-201900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ERIE, PA
105 PM EDT MON JUL 20 1992

...STRONG THUNDERSTORMS FORMING OVER PARTS OF NORTHWEST PENNSYLVANIA...

AT 1PM EDT WEATHER RADAR SHOWED A LINE OF THUNDERSTORMS THAT EXTENDED FROM
CHAUTAUQUA COUNTY...NEW YORK STATE TO JUST SOUTH OF ERIE PENNSYLVANIA TO
CENTRAL ASHTABULA COUNTY OHIO.  THE THUNDERSTORMS WERE MOVING TO THE EAST
AT 35 MILES AN HOUR.   THE STORMS THAT DEVELOPED JUST SOUTH OF ERIE PRODUCED
VERY HEAVY RAIN...INTENSE LIGHTNING AND WIND GUSTS TO 50 MILES AN HOUR.

THE AIR OVER WESTERN PENNSYLVANIA HAS BECOME VERY WARM AND UNSTABLE AND
MORE THUNDERSTORMS WILL DEVELOP DURING THE AFTERNOON AND EVENING HOURS.

STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER UPDATES OR POSSIBLE WARNING
FROM THE NATIONAL WEATHER SERVICE.

TJP/RAR

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 20, 1:20 PM EDTSevere Thunderstorm WarningCLELucas40 min
Jul 20, 2:52 PM EDTSevere Thunderstorm WarningCLEErie68 min
Jul 20, 3:14 PM EDTSevere Thunderstorm WarningCLEMahoning61 min
Jul 20, 3:40 PM EDTSevere Thunderstorm WarningCLEColumbiana50 min
Jul 20, 3:41 PM EDTSevere Thunderstorm WarningCLEStark64 min
Jul 20, 4:30 PM EDTSevere Thunderstorm WarningCLEColumbiana45 min

Nearby

Severe Thunderstorm Warnings in Ohio, 1992Every severe thunderstorm warning in 1992

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.