Alert archive / Ohio / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 258, NWS Cleveland, OH

August 12, 1994Mahoning County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Aug 12, 1994, 4:04 PM EDT for Mahoning County, Ohio. It was in force for 56 min.

The area

The counties it named.

The facts

Issued
Aug 12, 1994, 4:04 PM EDT (20:04 UTC)
Expired
Aug 12, 1994, 5:00 PM EDT
In force
56 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Mahoning County, OH

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 8.1 hours before the alert went out and 88 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 12:00Z on 1994-08-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 8 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 12:00Z on 1994-08-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 95 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
8 J/kg
Mixed-layer CIN
-183 J/kg
Mixed-layer LCL
1046 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
95 m²/s²
0-3 km storm-relative helicity
132 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, Aug 12, 3:47 PM EDT, 17 minutes before
OHZ039-040-048-049-050-058-059-068-069-076-122045-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AKRON CANTON OH
345 PM EDT FRI AUG 12 1994

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF SOUTHERN
OHIO UNTIL 10 PM.

SOME CITIES INCLUDED IN THE WATCH AREA ARE ATHENS...CAMBRIDGE
CINCINNATI..IRONTON...MARIETTA...PORTSMOUTH...STEUBENVILLE AND
ZANEDSVILLE.

AT 325 PM NATIONAL WEATHER SERVICE RADAR SCATTERED THUNDERSTORMS
OVER THE SOUTHEASTERN PORTION OF THE STATE...SOUTH OF A COLUMBUS
MINERVA...SLIPPERY ROCK PENNSYLVANIA LINE. THE STORMS WERE MOVING
NORTHEAST AROUND 25 MPH.

THESE STORMS ARE CAPABLE OF PRUDUCING GUSTY WINDS UP TO 40 MPH...VERY
HEAVY DOWNPOURS...FREQUENT LIGHTNING AND SMALL HAIL.
>
KEEP AN EYE TO THE SKY AND IF THREATENING WEATHER APPROACHES
MOVE TO A PLACE OF SAFETY.

PLEASE LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL NEWS MEDIA
FOR LATER STATEMENTS AND POSSIBLE WARNINGS.

IK
Special weather statement, Aug 12, 3:55 PM EDT, 9 minutes before
OHZ048>088-122100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
355 PM EDT FRI AUG 12 1994

A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR MUCH OF SOUTHERN AND
EAST CENTRAL OHIO UNTIL 10 PM EDT.

SOME CITIES IN THIS WATCH ARE CINCINNATI...IRONTON...ATHENS...MARIETTA
AND ZANESVILLE.

THE SEVERE THUNDERSTORM WATCH IS GENERALLY SOUTH OF A DAYTON...COLUMBUS
TO YOUNGSTOWN LINE.

NATIONAL WEATHER SERVICE DOPPLER RADAR IN CLEVELAND AT 350 PM EDT WAS
SHOWING SCATTERED SHOWERS AND THUNDERSTORMS OVER SOUTHERN AND EASTERN
OHIO. SOME OF THE STRONGEST THUNDERSTORMS WERE SOUTH OF YOUNGSTOWN AND
NEAR ASHTABULA IN NORTHEAST OHIO.

THE THUNDERSTORMS WERE MOVING MAINLY EAST AT 20 MPH.

PEOPLE IN AND CLOSE TO THE WATCH AREA SHOULD KEEP AN EYE ON THE SKY AND
BE READY TO MOVE TO SAFETY IF THREATENING WEATHER MOVES IN. PEOPLE
SHOULD ALSO MONITOR NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR THE
LATEST ON THE THUNDERSTORMS.

KIELTYKA
Special weather statement, Aug 12, 3:56 PM EDT, 8 minutes before
OHZ048>088-122100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
355 PM EDT FRI AUG 12 1994

A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR MUCH OF SOUTHERN AND
EAST CENTRAL OHIO UNTIL 10 PM EDT.

SOME CITIES IN THIS WATCH ARE CINCINNATI...IRONTON...ATHENS...MARIETTA
AND ZANESVILLE.

THE SEVERE THUNDERSTORM WATCH IS GENERALLY SOUTH OF A DAYTON...COLUMBUS
TO YOUNGSTOWN LINE.

NATIONAL WEATHER SERVICE DOPPLER RADAR IN CLEVELAND AT 350 PM EDT WAS
SHOWING SCATTERED SHOWERS AND THUNDERSTORMS OVER SOUTHERN AND EASTERN
OHIO. SOME OF THE STRONGEST THUNDERSTORMS WERE SOUTH OF YOUNGSTOWN AND
NEAR ASHTABULA IN NORTHEAST OHIO.

THE THUNDERSTORMS WERE MOVING MAINLY EAST AT 20 MPH.

PEOPLE IN AND CLOSE TO THE WATCH AREA SHOULD KEEP AN EYE ON THE SKY AND
BE READY TO MOVE TO SAFETY IF THREATENING WEATHER MOVES IN. PEOPLE
SHOULD ALSO MONITOR NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR THE
LATEST ON THE THUNDERSTORMS.

KIELTYKA

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 12, 4:02 PM EDTSevere Thunderstorm WarningCLEColumbiana43 min
Aug 12, 4:04 PM EDTSevere Thunderstorm WarningCLEMahoning36 min
Aug 12, 5:19 PM EDTSevere Thunderstorm WarningCLELake41 min
Aug 12, 6:50 PM EDTSevere Thunderstorm WarningCLEAshtabula34 min
Aug 12, 7:52 PM EDTSevere Thunderstorm WarningCLEGuernsey40 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.