Alert archive / Ohio / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 219, NWS Cleveland, OH

July 20, 1994Harrison County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jul 20, 1994, 10:39 PM EDT for Harrison County, Ohio. It was in force for 66 min.

The area

The counties it named.

The facts

Issued
Jul 20, 1994, 10:39 PM EDT (02:39 UTC)
Expired
Jul 20, 1994, 11:45 PM EDT
In force
66 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Harrison County, OH

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 2.7 hours before the alert went out and 85 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, Pittsburgh, PA at 00:00Z on 1994-07-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 691 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, Pittsburgh, PA at 00:00Z on 1994-07-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -4 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
691 J/kg
Mixed-layer CIN
-20 J/kg
Mixed-layer LCL
1778 m above ground
0-6 km bulk shear
4 kt
0-1 km storm-relative helicity
-4 m²/s²
0-3 km storm-relative helicity
13 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, 8:59 PM EDT, 1 hour 40 minutes before
OHZ001>009-015>019-024>028-034-035-210200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
859 PM EDT WED JUL 20 1994

A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 1 AM EDT THURSDAY FOR
MUCH OF NORTHWEST AND NORTH CENTRAL OHIO. THIS WATCH ALSO INCLUDES THE
WESTERN THIRD OF LAKE ERIE.

SOME MAJOR CITIES IN THE WATCH INCLUDE TOLEDO...FINDLAY...LIMA...
SANDUSKY...DEFIANCE...TIFFIN...BUCYRUS AND NORWALK.

AT 850 PM...DOPPLER RADAR IN CLEVELAND SHOWED A BAND OF SHOWERS AND
THUNDERSTORMS...SOME WITH HEAVY RAIN FROM FLINT MICHIGAN SOUTH TO NEAR
DEFIANCE OHIO.  THIS INCLUDED MUCH OF WILLIAMS...FULTON AND DEFIANCE
COUNTIES IN OHIO.  THE STRONGER THUNDERSTORMS WERE CONFINED TO MICHIGAN
JUST NORTH OF THE OHIO STATE LINE.

THE BAND OF THUNDERSTORMS WAS MOVING EAST AT 15 MILES AN HOUR WHILE THE
INDIVIDUAL THUNDERSTORMS WERE MOVING NORTHEAST AT 30 MILES AN HOUR.  IF
THIS MOVEMENT CONTINUES THE BAND SHOULD BE JUST WEST OF A TOLEDO TO
FINDLAY LINE BY ABOUT 1000 PM.

RESIDENTS OF NORTHWEST OHIO IN AND NEAR THE WATCH AREA SHOULD STAY
INFORMED THROUGH NOAA WEATHER RADIO OR OTHER MEDIA SOURCES FOR THE
LATEST STATEMENTS AND POSSIBLE WARNINGS.

A FEW OTHER SHOWERS AND THUNDERSTORMS WERE SCATTERED OVER SOUTHERN OHIO
MAINLY FROM COLUMBUS TO DAYTON AND ALONG THE OHIO RIVER NEAR PARKERSBURG
AND HUNTINGTON.   THESE THUNDERSTORMS WERE MOVING SLOWLY NORTH.

ADAMS
Special weather statement, Jul 20, 9:01 PM EDT, 1 hour 38 minutes before
OHZ001>009-015>019-024>028-034-035-210200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
859 PM EDT WED JUL 20 1994

A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 1 AM EDT THURSDAY FOR
MUCH OF NORTHWEST AND NORTH CENTRAL OHIO. THIS WATCH ALSO INCLUDES THE
WESTERN THIRD OF LAKE ERIE.

SOME MAJOR CITIES IN THE WATCH INCLUDE TOLEDO...FINDLAY...LIMA...
SANDUSKY...DEFIANCE...TIFFIN...BUCYRUS AND NORWALK.

AT 850 PM...DOPPLER RADAR IN CLEVELAND SHOWED A BAND OF SHOWERS AND
THUNDERSTORMS...SOME WITH HEAVY RAIN FROM FLINT MICHIGAN SOUTH TO NEAR
DEFIANCE OHIO.  THIS INCLUDED MUCH OF WILLIAMS...FULTON AND DEFIANCE
COUNTIES IN OHIO.  THE STRONGER THUNDERSTORMS WERE CONFINED TO MICHIGAN
JUST NORTH OF THE OHIO STATE LINE.

THE BAND OF THUNDERSTORMS WAS MOVING EAST AT 15 MILES AN HOUR WHILE THE
INDIVIDUAL THUNDERSTORMS WERE MOVING NORTHEAST AT 30 MILES AN HOUR.  IF
THIS MOVEMENT CONTINUES THE BAND SHOULD BE JUST WEST OF A TOLEDO TO
FINDLAY LINE BY ABOUT 1000 PM.

RESIDENTS OF NORTHWEST OHIO IN AND NEAR THE WATCH AREA SHOULD STAY
INFORMED THROUGH NOAA WEATHER RADIO OR OTHER MEDIA SOURCES FOR THE
LATEST STATEMENTS AND POSSIBLE WARNINGS.

A FEW OTHER SHOWERS AND THUNDERSTORMS WERE SCATTERED OVER SOUTHERN OHIO
MAINLY FROM COLUMBUS TO DAYTON AND ALONG THE OHIO RIVER NEAR PARKERSBURG
AND HUNTINGTON.   THESE THUNDERSTORMS WERE MOVING SLOWLY NORTH.

ADAMS
Special weather statement, Jul 20, 10:10 PM EDT, 29 minutes before
OHZ001>009-015>019-024>028-034-035-210300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
1010 PM EDT WED JUL 20 1994

...A SEVERE THUNDERSTORM WARNING IS IN EFFECT UNTIL 1045 PM EDT
FOR HARDIN COUNTY IN NORTHWESTERN OHIO.

THE SEVERE THUNDERSTORM WATCH FOR MUCH OF NORTHWEST AND NORTH CENTRAL
OHIO AND WESTERN LAKE ERIE HAS BEEN CANCELLED.

AT 1000 PM...DOPPLER RADAR IN CLEVELAND WAS STILL SHOWING A FEW WIDELY
SCATTERED STRONG THUNDERSTORMS IN NORTHWESTERN OHIO AND ALSO IN
SOUTHWESTERN OHIO.

A BAND OF STORMS IN NORTHWESTERN OHIO STRETCHED FROM FINDLAY SOUTH INTO
SOUTHERN HARDIN COUNTY SOUTHWEST OF KENTON.   THE THUNDERSTORM WITH
THE WARNING WAS IN THE NORTHERN PART OF HARDIN COUNTY JUST WEST OF
DUNKIRK.  THIS THUNDERSTORM WAS MOVING NORTHEAST AT 25 MILES AN HOUR AND
WILL LIKELY MOVE INTO SOUTHERN HANCOCK COUNTY NEAR ARLINGTON BY 1020 PM
AND MAY REACH FINDLAY BY AROUND 1040 PM.

OTHER SHOWERS AND THUNDERSTORMS WERE SCATTERED IN THE NORTHWEST CORNER
OF OHIO IN WILLIAMS AND DEFIANCE COUNTIES AND IN SOUTHWEST OHIO NEAR
DAYTON.  A FEW THUNDERSTORMS WERE ALSO SCATTERED IN SOUTHEASTERN OHIO
EAST AND SOUTHEAST OF ZANESVILLE.

EXCEPT FOR THE FEW STRONG STORMS IN HARDIN COUNTY...MOST OF THE
THUNDERSTORMS HAD SHOWED A GENERAL WEAKENING TREND DURING THE PAST HOUR
ALLOWING FOR A CANCELLATION OF THE SEVERE THUNDERSTORM WATCH.

RESIDENTS OF OHIO SHOULD STILL BE AWARE OF THE POSSIBILITY FOR ISOLATED
STRONG THUNDERSTORMS TONIGHT AND BE READY TO MOVE TO A PLACE OF SAFETY
IN CASE WARNINGS ARE ISSUED.

ADAMS
Special weather statement, Jul 20, 10:13 PM EDT, 26 minutes before
OHZ001>009-015>019-024>028-034-035-210300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
1010 PM EDT WED JUL 20 1994

...A SEVERE THUNDERSTORM WARNING IS IN EFFECT UNTIL 1045 PM EDT
FOR HARDIN COUNTY IN NORTHWESTERN OHIO.

THE SEVERE THUNDERSTORM WATCH FOR MUCH OF NORTHWEST AND NORTH CENTRAL
OHIO AND WESTERN LAKE ERIE HAS BEEN CANCELLED.

AT 1000 PM...DOPPLER RADAR IN CLEVELAND WAS STILL SHOWING A FEW WIDELY
SCATTERED STRONG THUNDERSTORMS IN NORTHWESTERN OHIO AND ALSO IN
SOUTHWESTERN OHIO.

A BAND OF STORMS IN NORTHWESTERN OHIO STRETCHED FROM FINDLAY SOUTH INTO
SOUTHERN HARDIN COUNTY SOUTHWEST OF KENTON.   THE THUNDERSTORM WITH
THE WARNING WAS IN THE NORTHERN PART OF HARDIN COUNTY JUST WEST OF
DUNKIRK.  THIS THUNDERSTORM WAS MOVING NORTHEAST AT 25 MILES AN HOUR AND
WILL LIKELY MOVE INTO SOUTHERN HANCOCK COUNTY NEAR ARLINGTON BY 1020 PM
AND MAY REACH FINDLAY BY AROUND 1040 PM.

OTHER SHOWERS AND THUNDERSTORMS WERE SCATTERED IN THE NORTHWEST CORNER
OF OHIO IN WILLIAMS AND DEFIANCE COUNTIES AND IN SOUTHWEST OHIO NEAR
DAYTON.  A FEW THUNDERSTORMS WERE ALSO SCATTERED IN SOUTHEASTERN OHIO
EAST AND SOUTHEAST OF ZANESVILLE.

EXCEPT FOR THE FEW STRONG STORMS IN HARDIN COUNTY...MOST OF THE
THUNDERSTORMS HAD SHOWED A GENERAL WEAKENING TREND DURING THE PAST HOUR
ALLOWING FOR A CANCELLATION OF THE SEVERE THUNDERSTORM WATCH.

RESIDENTS OF OHIO SHOULD STILL BE AWARE OF THE POSSIBILITY FOR ISOLATED
STRONG THUNDERSTORMS TONIGHT AND BE READY TO MOVE TO A PLACE OF SAFETY
IN CASE WARNINGS ARE ISSUED.

ADAMS
Special weather statement, Jul 20, 10:17 PM EDT, 22 minutes before
OHZ002-003-005>008-016>018-027-210330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOLEDO OH
1017 PM EDT WED JUL 20 1994

THE SEVERE THUNDERSTORM WATCH FOR NORTHWEST OHIO HAS BEEN CANCELLED.

AT 1015 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED A STRONG
THUNDERSTORM OVER SOUTHERN HANCOCK COUNTY. THIS STORM MAY PRODUCE WIND
GUSTS TO 35 MPH. OVERALL THERE HAS BEEN A WEAKENING TREND AND THE THREAT
FOR SEVERE WEATHER HAS DIMINISHED CONSIDERABLY.

THE STORM IN SOUTHERN HANCOCK COUNTY WAS MOVING NORTHEAST AT 25 MPH AND
WILL MOVE TO NEAR FOSTORIA...15 MILES NORTHEAST OF FINDLAY...AROUND
1040 PM.

RESIDENTS OF NORTHWEST OHIO SHOULD STILL BE AWARE OF THE POSSIBILITY FOR
ISOLATED STRONG THUNDERSTORMS OVERNIGHT. SEEK SHELTER INDOORS WHEN
THUNDERSTORMS APPROACH.
<
MURPHY
Special weather statement, Jul 20, 10:19 PM EDT, 20 minutes before
OHZ002-003-005>008-016>018-027-210330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOLEDO OH
1017 PM EDT WED JUL 20 1994

THE SEVERE THUNDERSTORM WATCH FOR NORTHWEST OHIO HAS BEEN CANCELLED.

AT 1015 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED A STRONG
THUNDERSTORM OVER SOUTHERN HANCOCK COUNTY. THIS STORM MAY PRODUCE WIND
GUSTS TO 35 MPH. OVERALL THERE HAS BEEN A WEAKENING TREND AND THE THREAT
FOR SEVERE WEATHER HAS DIMINISHED CONSIDERABLY.

THE STORM IN SOUTHERN HANCOCK COUNTY WAS MOVING NORTHEAST AT 25 MPH AND
WILL MOVE TO NEAR FOSTORIA...15 MILES NORTHEAST OF FINDLAY...AROUND
1040 PM.

RESIDENTS OF NORTHWEST OHIO SHOULD STILL BE AWARE OF THE POSSIBILITY FOR
ISOLATED STRONG THUNDERSTORMS OVERNIGHT. SEEK SHELTER INDOORS WHEN
THUNDERSTORMS APPROACH.
<
MURPHY

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 20, 10:59 PM EDTSevere Thunderstorm WarningCLECarroll61 min
Jul 20, 11:37 PM EDTSevere Thunderstorm WarningCLEStark68 min
Jul 21, 12:13 AM EDTSevere Thunderstorm WarningCLEPortage62 min

Nearby

Severe Thunderstorm Warnings in Ohio, 1994Every severe thunderstorm warning in 1994

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.