Alert archive / Ohio / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 32, NWS Cleveland, OH

April 27, 1994Trumbull County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Apr 27, 1994, 6:51 AM EDT for Trumbull County, Ohio. It was in force for 45 min.

The area

The counties it named.

The facts

Issued
Apr 27, 1994, 6:51 AM EDT (10:51 UTC)
Expired
Apr 27, 1994, 7:36 AM EDT
In force
45 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Trumbull County, OH

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 10.9 hours before the alert went out and 115 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 1994-04-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 56 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 1994-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 70 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
56 J/kg
Mixed-layer CIN
-58 J/kg
Mixed-layer LCL
1928 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
70 m²/s²
0-3 km storm-relative helicity
132 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KYNG 271053
SVRYNG
OHC155-271145-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE YOUNGSTOWN OH
651 AM EDT WED APR 27 1994
 
THE NATIONAL WEATHER SERVICE IN YOUNGSTOWN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  745 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHEAST OHIO
 
   ...TRUMBULL COUNTY
 
AT 650 AM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
POSSIBLE SEVERE THUNDERSTORM JUST ENTERING TRUMBULL COUNTY. THIS STORM
HAS A HISTORY OF PRODUCING LARGE HAIL AND DAMAGING WINDS. THE STORM
WAS MOVING TO THE EAST AT 40 MPH AND WILL AFFECT WARREN AND
NEWTON FALLS BY 700 AM EDT.
 
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...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 COVE$RS THE ROAD.
 
WILKINSON

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, Apr 27, 12:57 AM EDT, 5 hours 54 minutes before
OHZALL-270600-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
1255 AM EDT WED APR 27 1994

A TORNADO WATCH IS IN EFFECT FOR EXTREME NORTHWEST OHIO INCLUDING THE
CITIES OF TOLEDO AND DEFIANCE UNTIL 4 AM EDT WEDNESDAY MORNING.

OHIO COUNTIES INCLUDED IN THE WATCH ARE DEFIANCE...FULTON...HENRY...
LUCAS...PAULDING...PUTNAM...VAN WERT...WILLIAMS AND WOOD.

AT 1250 AM DOPPLER RADAR IN INDIANAPOLIS SHOWED STRONG THUNDERSTORMS
STILL MOVING NORTHEAST AT ABOUT 50 MPH FROM WEST-CENTRAL INDIANA UP
ACROSS SOUTH BEND INTO LOWER MICHIGAN. SOME OF THE STORMS HAVE PRODUCED
LARGE HAIL AND DAMAGING WINDS AS THEY MOVED THROUGH INDIANA. THE STORMS
CONTINUE TO MOVE TOWARD OHIO AND SHOULD REACH THE WATCH AREA BY 3 AM
EDT.

RESIDENTS IN OR NEAR THE WATCH AREA SHOULD BE ALERT FOR CHANGING WEATHER
CONDITIONS...LATER STATEMENTS AND POSSIBLY WARNINGS FROM THE WEATHER SERVICE.
Special weather statement, Apr 27, 2:01 AM EDT, 4 hours 50 minutes before
OHZALL-270700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
200 AM EDT WED APR 27 1994

A TORNADO WATCH IS IN EFFECT FOR EXTREME NORTHWEST OHIO INCLUDING THE
CITIES OF TOLEDO AND DEFIANCE UNTIL 4 AM EDT WEDNESDAY MORNING.

OHIO COUNTIES INCLUDED IN THE WATCH ARE DEFIANCE...FULTON...HENRY...
LUCAS...PAULDING...PUTNAM...VAN WERT...WILLIAMS AND WOOD.

AT 155 AM DOPPLER RADARS IN INDIANAPOLIS AND CLEVELAND INDICATED THAT
SOME SHOWERS HAD MOVED INTO THE WATCH AREA OF NORTHWESTERN OHIO AFTER
130 AM. HOWEVER...THE MORE SIGNIFICANT THUNDERSTORMS...SOME OF THEM
SEVERE...WERE STILL IN NORTHEASTERN INDIANA MOVING NORTHEAST AT ABOUT
45 MPH. WARNINGS WERE ISSUED FOR AREAS NEAR FORT WAYNE BEFORE 2 AM.
THESE THUNDERSTORMS WILL REACH THE WATCH AREA BY 3 AM AND ARE BEING
WATCHED CLOSELY.

RESIDENTS IN OR NEAR THE WATCH AREA SHOULD BE ALERT FOR CHANGING WEATHER
CONDITIONS AND FOR LATER STATEMENTS AND POSSIBLY WARNINGS DURING
THE PRE-DAWN HOURS.
DEB
Special weather statement, Apr 27, 2:35 AM EDT, 4 hours 16 minutes before
OHZ002-003-005-006-016-270800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOLEDO OH
234 AM EDT WED APR 27 1994

A TORNADO WATCH REMAINS IN EFFECT FOR PARTS OF NORTHWEST OHIO UNTIL
4 AM EDT.

COUNTIES INCLUDED IN THE WATCH ARE...DEFIANCE...FULTON...HENRY...
LUCAS...PAULDING...PUTNAM...VAN WERT...WILLIAMS...AND WOOD.

AT 230 AM WEATHER RADAR INDICATED A LINE OF THUNDERSTORMS FROM JUST
NORTH OF DETROIT SOUTHWEST THROUGH WILLIAMS COUNTY OF NORTHWEST OHIO
INTO NORTHEAST INDIANA. THE LINE OF STORMS WAS MOVING SOUTHEAST AROUND
25 MPH. THE STRONGEST STORM WAS ENTERING WESTERN DEFIANCE COUNTY. BY
3 AM THE LINE OF STORMS SHOULD BE ENTERING THE TOLEDO VICINITY AND WILL
EXTEND SOUTHWEST INTO PUTNAM COUNTY.

PEOPLE IN AND NEAR THE WATCH AREA SHOULD REMAIN ALERT FOR CHANGING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS. THE STORMS PRODUCED SEVERE THUNDERSTORMS AND TORNADOES
THROUGHOUT INDIANA AND ILLINOIS EAR^LIER WEDNESDAY EVENING AND EARLY THIS
MORNING.

PBM/ELH
Special weather statement, Apr 27, 6:41 AM EDT, 10 minutes before
PAZ001-003-271130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ERIE, PA
633 AM EDT WED APR 27 1994

...SEVERE THUNDERSTORM WATCH TIL 11 AM FOR THE NORTHWEST CORNER OF
   PENNSYLVANIA...

...LINE OF STRONG THUNDERSTORMS MOVING ACROSS LAKE ERIE TOWARD EXTREME
   NORTHWEST PENNSYLVANIA...

AT 630 AM NATIONAL WEATHER SERVICE RADAR FROM ERIE INDICATED A LINE OF
STRONG THUNDERSTORMS OVER LAKE ERIE FROM NEAR LONG POINT CANADA...
SOUTHWEST TO GENEVA OHIO.

THE INDIVIDUAL STORMS WERE MOVING TO THE EAST-NORTHEAST AT 45 MPH...
WHILE THE LINE OF STORMS WAS MOVING TO THE EAST AT 40 MPH.

THE STORMS WILL MOVE INTO ERIE AND NORTHWEST CRAWFORD COUNTY SHORTLY
AFTER 7 AM EDT.

THE THUNDERSTORMS ARE CAPABLE OF PRODUCING DANGEROUS CLOUD-TO-GROUND
LIGHTNING...WIND GUSTS IN EXCESS OF 50 MPH...SMALL HAIL AND HEAVY
DOWNPOURS OF RAIN THAT MAY CAUSE SOME FLOODING OF POOR DRAINAGE AREAS.

REMAIN INDOORS WHILE THUNDERSTORMS ARE OCCURRING.  STAY AWAY FROM
WINDOWS AND REFRAIN FROM USING ELECTRICAL APPLIANCES...UNLESS IN AN
EMERGENCY UNTIL THE STORM HAS PASSED.

FURTHER UPDATES WILL FOLLOW.

LAMBERT/PAONE

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 27, 3:41 AM EDTSevere Thunderstorm WarningCLEHenry34 min
Apr 27, 5:40 AM EDTSevere Thunderstorm WarningCLEHuron, Lorain65 min
Apr 27, 6:22 AM EDTSevere Thunderstorm WarningCLELake38 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.