Alert archive / Ohio / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 101, NWS Charleston, WV

July 20, 1992Madison County, Ohio

NWS Charleston, WV issued this severe thunderstorm warning at Jul 20, 1992, 3:39 PM EDT for Madison County, Ohio. It was in force for 51 min.

The area

The counties it named.

The facts

Issued
Jul 20, 1992, 3:39 PM EDT (19:39 UTC)
Expired
Jul 20, 1992, 4:30 PM EDT
In force
51 min
Issued by
NWS Charleston, WV
Area
Whole counties

County Madison County, OH

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 12:00Z, 7.7 hours before the alert went out and 68 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 KCMH 201942 COR
SVRCMH
OHC097-202030-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING...CORRECTED
NATIONAL WEATHER SERVICE COLUMBUS OH
339 PM EDT MON JUL 20 1992

THE NATIONAL WEATHER SERVICE IN COLUMBUS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  430 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY......

IN CENTRAL OHIO

   ...MADISON COUNTY

AT 338 PM NATIONAL WEATHER SERVICE RADAR INDICATED A POSSIBLE SEVERE
THUNDERSTORM OVER CENTRAL MADISON COUNTY NEAR THE TOWN OF LONDON. THE
STORM WAS MOVING EAST AT 30 MILES AN HOUR AND WILL MOVE INTO SOUTHERN
FRANKLIN COUNTY BY 415 PM.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING..2.AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

SMITH

$$ CORRECTED FOR WORDING

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

Local storm report, Jul 20, 2:10 PM EDT, 1 hour 29 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HUNTINGTON WV
215PM EDT MON JUL 20 1992

DATE...JULY 18
TIME...420PM EDT
LOCATION...CENTRAL SCIOTO COUNTY OHIO..BETWEEN STATE ROUTES 139 AND 23
TYPE...WIND DAMAGE..TREES DOWNED ACROSS POWER LINES..SEVERAL HOMES REPORTED
ROOF DAMAGE
NO INJURIES OR DEATHS
SOURCE...STORM SPOTTERS

DATE...JULY 18
TIME...450PM EDT
LOCATION...NORTHERN MASON COUNTY WEST VIRGINIA..IN THE HARTFORD AREA
TYPE...WIND DAMAGE..TREES DOWNED ACROSS POWER LINES, SEVERAL OUTBUILDINGS
DAMAGED OR COMPLETELY BLOWN AWAY
NO INJURIES OR DEATHS
SOURCE...COUNTY SHERRIFF, STORM SPOTTERS

DATE...JULY 18
TIME...505PM EDT
LOCATION...EASTERN MEIGS COUNTY OHIO..2 NORTH OF APPLE GROVE
TYPE...WIND DAMAGE..TREES ACROSS POWER LINES, BARN HAD ROOF DAMAGED,
SMALL OUTBUILDING SHEARED OFF BOLTED FOUNDATION
NO INJURIES OR DEATHS
SOURCE...PUBLIC/SPOTTER REPORTS

DATE...JULY 18
TIME...735PM EDT
LOCATION...NORTHERN WAYNE AND NORTHERN CABELL COUNTIES OF WEST VIRGINIA
TYPE...WIND DAMAGE..LIGHTNING DAMAGE..TREES DOWNED ACROSS POWER LINES,
SEVERAL LIGHTNING STRIKES KNOCKED POWER OUT TO ABOUT 500-1000 RESIDENCES
NO INJURIES OR DEATHS
SOURCE...POWER COMPANY, HUNTINGTON NEWSPAPER

END/DG

The office that day

Everything else NWS Charleston, WV issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 20, 1:47 PM EDTSevere Thunderstorm WarningRLXMarion58 min
Jul 20, 3:35 PM EDTSevere Thunderstorm WarningRLXDelaware55 min
Jul 20, 3:48 PM EDTSevere Thunderstorm WarningRLXLicking42 min
Jul 20, 4:07 PM EDTSevere Thunderstorm WarningRLXFranklin68 min
Jul 20, 5:07 PM EDTFlash Flood WarningRLXLicking2 hr
Jul 20, 5:28 PM EDTFlash Flood WarningRLXDelaware2 hr

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; the sounding from the Mesonet's radiosonde archive.