Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 11, NWS Cleveland, OH

April 18, 1995Erie County, Pennsylvania

NWS Cleveland, OH issued this severe thunderstorm warning at Apr 18, 1995, 9:25 PM EDT for Erie County, Pennsylvania. It was in force for 35 min.

The area

The counties it named.

The facts

Issued
Apr 18, 1995, 9:25 PM EDT (01:25 UTC)
Expired
Apr 18, 1995, 10:00 PM EDT
In force
35 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Erie County, PA

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 1.4 hours before the alert went out and 146 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, Buffalo Intl Airport, NY at 00:00Z on 1995-04-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Buffalo Intl Airport, NY at 00:00Z on 1995-04-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 365 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1352 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
365 m²/s²
0-3 km storm-relative helicity
600 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCLE 190126
SVRCLE
PAC049-OHZ501-190200-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
925 PM EDT TUE APR 18 1995
 
THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1000 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN  PENNSYLVANIA
 
   ...ERIE COUNTY
 
AND THE ADJACENT WATERS OF LAKE ERIE
 
 
AT 925 PM EDT DOPPLER RADAR IN CLEVELAND INDICATED A SEVERE THUNDERSTORM
NEAR THE CITY OF ERIE. THE STORM WAS MOVING NORTHEAST AT 50 MPH. LARGE
HAIL AND STRONG WINDS ARE LIKELY AS THIS STORM MOVES ACROSS THE EASTERN
PART OF ERIE COUNTY.
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 525
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE
WATER COVERS THE ROAD.
 
 
GERARD

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 18, 6:33 PM EDT, 2 hours 52 minutes before
OHZ002-003-005>013-017>022-027>032-036>038-047-190200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
633 PM EDT TUE APR 18 1995

A TORNADO WATCH HAS BEEN ISSUED FOR ALL OF NORTHERN OHIO EXCEPT FOR
EXTREME EASTERN OHIO.

SOME CITIES IN THE WATCH INCLUDE TOLEO...LORAIN...MANSFIELD...
CLEVELAND...AKRON...AND CANTON. THE ASHTABULA AND YOUNGSTOWN AREAS ARE
NOT IN THE WATCH.

A TORNADO WATCH MEANS THAT SEVERE THUNDERSTORMS ARE POSSIBLE WITH
TORNADOES...LARGE HAIL...DANGEROUS LIGHTNING...AND DAMAGING
THUNDERSTORM WINDS.

AT 630 PM NATIONAL WEATHER SERVICE DOPPLER RADAR IN CLEVELAND SHOWED
DEVELOPING THUNDERSTORMS FROM NEAR SANDUSKY TO WEST OF MANSFIELD TO
DELAWARE COUNTY NEAR COLUMBUS. THE STORMS WERE MOVING NORTHEAST AT
ABOUT 50 MPH.

ANY OF THESE STORMS...AS WELL AS OTHER THUNDERSTORMS THAT WILL BE
DEVELOPING THIS EVENING...COULD BECOME SEVERE. THE STORMS WILL DEVELOP
QUICKLY. RESIDENTS OF NORTHERN OHIO SHOULD BE ALERT FOR RAPDILY
CHANGING WEATHER CONDITIONS. DO NOT HESITATE TO TAKE SHELTER INDOORS OR
IN A BASEMENT SHOULD A WARNING BE ISSUED OR THE WEATHER BECOME
THREATENING.

IN ADDITON... HIGH WIND ADVISORY REMAINS IN EFFECT FOR ALL OF
OHIO TOINIGHT.

LISTEN TO NOAA WEATHER RADIO OR THIS STATION FOR POSSIBLE WARNINGS AND
THE LATEST WEATHER INFORMATION.

KOSARIK
Special weather statement, Apr 18, 6:40 PM EDT, 2 hours 45 minutes before
OHZ002-003-005>014-017>023-027>033-036>038-047-PAZ001>003-190140-

SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE CLEVELAND OH
640 PM EDT TUE APR 18 1995

A TORNADO WATCH HAS BEEN ISSUED FOR ALL OF NORTHERN OHIO EXCEPT FOR
EXTREME EASTERN OHIO UNTIL 1 AM WEDNESDAY.

SOME CITIES IN THE WATCH INCLUDE TOLEDO...LORAIN...MANSFIELD...
CLEVELAND...AKRON...AND CANTON. THE ASHTABULA AND YOUNGSTOWN AREAS ARE
NOT IN THE WATCH.

A TORNADO WATCH MEANS THAT SEVERE THUNDERSTORMS ARE POSSIBLE WITH
TORNADOES...LARGE HAIL...DANGEROUS LIGHTNING...AND DAMAGING
THUNDERSTORM WINDS.

AT 630 PM NATIONAL WEATHER SERVICE DOPPLER RADAR IN CLEVELAND SHOWED
DEVELOPING THUNDERSTORMS FROM NEAR SANDUSKY TO WEST OF MANSFIELD TO
DELAWARE COUNTY NEAR COLUMBUS. THE STORMS WERE MOVING NORTHEAST AT
ABOUT 50 MPH.

ANY OF THESE STORMS...AS WELL AS OTHER THUNDERSTORMS THAT WILL BE
DEVELOPING THIS EVENING...COULD BECOME SEVERE. THE STORMS WILL DEVELOP
QUICKLY. RESIDENTS OF NORTHERN OHIO SHOULD BE ALERT FOR RAPDILY
CHANGING WEATHER CONDITIONS. DO NOT HESITATE TO TAKE SHELTER INDOORS OR
IN A BASEMENT SHOULD A WARNING BE ISSUED OR THE WEATHER BECOME
THREATENING.

IN ADDITON... HIGH WIND ADVISORY REMAINS IN EFFECT FOR ALL OF
OHIO TOINIGHT.

LISTEN TO NOAA WEATHER RADIO OR THIS STATION FOR POSSIBLE WARNINGS AND
THE LATEST WEATHER INFORMATION.

KOSARIK
...CORRECTED TO INCLUDE EXPIRATION TIME OF TORNADO WATCH (1 AM)...
Special weather statement, Apr 18, 9:17 PM EDT, 8 minutes before
OHZ002-003-005>014-017>023-027>033-036>038-047-PAZ001>003-190320-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
916 PM EDT TUE APR 18 1995

A TORNADO WATCH IS IN EFFECT FOR MOST OF NORTHERN OHIO UNTIL 1 AM EDT.

AT 915 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR IN CLEVELAND
INDICATED STRONG THUNDERSTORMS SCATTERED ACROSS NORTHWEST PENNSYLVANIA
AND NORTHEAST OHIO.  THE STORMS EXTENDED FROM JUST SOUTHWEST OF ERIE
PENNSYLVANIA TO EAST OF YOUNGSTOWN...THEN WEST TO NEAR MANSFIELD.  THE
STORMS WERE MOVING RAPIDLY NORTHEAST AT 50 MPH.

THESE STORMS HAVE THE POTENTIAL TO PRODUCE HAIL AND STRONG WINDS...AND
COULD STRENGTHEN TO SEVERE STORMS AT ANY TIME.

ALSO...A LINE OF STRONG TO SEVERE THUNDERSTORMS WAS MOVING RAPIDLY
ACROSS LOWER MICHIGAN AND NORTHERN INDIANA.  CONDITIONS REMAIN
FAVORABLE FOR THE DEVELOPMENT OF SEVERE STORMS AND POSSIBLE
TORNADOES ACROSS NORTHERN OHIO AND NORTHWEST PENNSYLVANIA.  PEOPLE IN
THE AREA S HOULD REMAIN ALERT AND BE PREPARED TO MOVE TO SAFETY SHOULD
THREATENING WEATHER APPROACH.

GERARD

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 18, 8:56 PM EDTSevere Thunderstorm WarningCLELawrence, Mercer, Venango64 min
Apr 18, 10:41 PM EDTSevere Thunderstorm WarningCLEForest, Venango64 min
Apr 18, 10:44 PM EDTSevere Thunderstorm WarningCLEElk61 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 1995Every severe thunderstorm warning in 1995

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.