Alert archive / Ohio / Tornado Warnings in 1992

Tornado Warning 12, NWS Wilmington, OH

July 12, 1992Mercer County, Ohio

NWS Wilmington, OH issued this tornado warning at Jul 12, 1992, 7:17 PM EDT for Mercer County, Ohio. It was in force for 28 min.

The area

The counties it named.

The facts

Issued
Jul 12, 1992, 7:17 PM EDT (23:17 UTC)
Expired
Jul 12, 1992, 7:45 PM EDT
In force
28 min
Issued by
NWS Wilmington, OH
Area
Whole counties

County Mercer County, OH

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 12:00Z, 11.3 hours before the alert went out and 80 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 1992-07-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 506 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 1992-07-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 203 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
506 J/kg
Mixed-layer CIN
-81 J/kg
Mixed-layer LCL
712 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
203 m²/s²
0-3 km storm-relative helicity
192 m²/s²
Significant tornado parameter
0.3
Supercell composite
5.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KDAY 122318
TORDAY
OHC107-122345-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DAYTON OH
717 PM EDT SUN JUL 12 1992
 
THE NATIONAL WEATHER SERVICE IN DAYTON HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  745 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS......
 
IN WEST CENTRAL OHIO
 
   ...MERCER COUNTY
 
AT 715 PM THE MERCER COUNTY SHERIFF REPORTED SEVERAL FUNNEL CLOUD
SIGHTINGS IN THE NORTHER PART OF MERCER COUNTY.
 
THE THUNDERSTORM PRODUCING THE FUNNEL CLOUDS WAS MOVING EAST AT 35
MPH.  THIS PLACES THE TOWN OF MENDON IN THE PATH OF THE STORM.
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT. PROTECT YOUR HEAD... CHEST AND EXPOSED SKIN.
IF NO BASJEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR AND
PUT AS MANY WALLS AS POSSIBLE BETWEEN YOURSELF AND THE STORM.
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.
 
LINDSEY

What forecasters said that day

The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Jul 12, 1:48 PM EDT, 5 hours 29 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CINCINNATI, OH
145 PM EDT SUN JUL 12 1992

...LATE REPORT FROM SATURDAY 7/11/92...

TIME OF OCCURRENCE...547 PM EDT 7/11/92
WHERE...BETHEL OHIO (31 SSW ILN) IN CLERMONT COUNTY
SEVERE EVENT...HIGH WIND
SOURCE...NEWS MEDIA/CLERMONT COUNTY POLICE DISPATCH

REPORT...

80 MILE AN HOUR WINDS WERE REPORTED IN THE COMMUNITY OF BETHEL OHIO.
BASED ON TELEPHONE CONVERSATIONS WITH THE DISPATCH OFFICE IN BATAVIA
OHIO THE DAMAGE WAS CAUSED BY STRAIGHT LINE WINDS.  NUMEROUS TREES
WERE UPROOTED.  DAMAGE COVERED AN 8 MILE STRETCH BETWEEN BETHEL AND
FELICITY OHIO.  DAMAGE WAS MOST EXSTENSIVE IN THE COMMUNITY OF BETHEL
WHERE 50 HOMES...12 BUSINESSES...AND 25 VEHICLES SUSTAINED DAMAGE
(SOURCE WLW RADIO).  DOLLAR ESTIMATES WERE UNAVAILABLE AT THIS TIME.
.
THERE WERE SEVERAL REPORTS OF A LOUD RUSH OF WIND.  FUNNEL CLOUDS
WERE REPORTED BY SOME RESIDENTS IN THE COMMUNITY OF BETHEL...BUT
A POLICE OFFICER IN THE VICINITY REPORT THAT THE VISIBILITY WAS
NEAR ZERO DUE TO RAIN WHEN THE GUST OF WIND CAME THROUGH.
.
AT THIS POINT...THE WEATHER SERVICE IN CINCINNATI CANNOT RULE OUT
THE OCCURRENCE OF A TORNADO IN THE COMMUNITY OF BETHEL.  A STORM
SURVEY WILL PROBABLY BE CONDUCTED THE FIRST PART OF THIS WEEK.
A DETAILED REPORT WILL BE SUBMITTED TO THE WARNING PREPAREDNESS
METEOROLOGIST IN CLEVELAND OHIO OF THE FINDINGS.

MANUEL
Special weather statement, Jul 12, 6:34 PM EDT, 43 minutes before
OHZ010-122330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DAYTON OH
633 PM EDT SUN JUL 12 1992

A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 11 PM EDT FOR MUCH OF
NORTHERN OHIO.

AT 630 PM NATIONAL WEATHER SERVICE RADAR SHOWED THUNDERSTORMS WITH
VERY HEAVY RAIN ENTERING VAN WERT COUNTY OHIO IN THE CENTRAL PART OF
THE COUNTY ALONG THE OHIO INDIANA STATE LINE.

THE THUNDERSTORM WAS MOVING EAST AT 30 MPH AND PEOPLE ACROSS THE
CENTRAL PART OF VAN WERT COUNTY CAN EXPECT VERY HEAVY DOWNPOURS AND
WIND GUSTS TO 45 MPH UNTIL ABOUT 715 PM.

IF THREATENING WEATHER DEVELOPS BE PREPARED TO TAKE QUICK PROTECTIVE
ACTION.

LINDSEY

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 12, 6:49 PM EDTSevere Thunderstorm WarningILNMercer, Van Wert56 min
Jul 12, 7:25 PM EDTSevere Thunderstorm WarningILNAllen65 min
Jul 12, 7:28 PM EDTTornado WarningILNAuglaize62 min

Nearby

Tornado Warnings in Ohio, 1992Every tornado warning in 1992Tornadoes 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; the sounding from the Mesonet's radiosonde archive.