Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 156, NWS Cleveland, OH

July 15, 1995Crawford County, Pennsylvania

NWS Cleveland, OH issued this severe thunderstorm warning at Jul 15, 1995, 5:39 AM EDT for Crawford County, Pennsylvania. It was in force for 41 min.

The area

The counties it named.

The facts

Issued
Jul 15, 1995, 5:39 AM EDT (09:39 UTC)
Expired
Jul 15, 1995, 6:20 AM EDT
In force
41 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Crawford County, PA

The radar

The Pittsburgh radar (KPBZ), 129 km from the middle of the area, began a volume at 09:39 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 9.7 hours before the alert went out and 142 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 1995-07-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4357 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 1995-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 square meters per square second.1939Sfc1 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
4357 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
1123 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
78 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 150939 RRA
SVRCLE
PAC039-151030-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
539 AM EDT SAT JUL 15 1995
 
THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  630 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN  PENNSYLVANIA
 
   ...CRAWFORD COUNTY
 
AT 535 AM...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER SOUTHEAST
ERIE COUNTY BETWEEN UNION CITY AND CORRY MOVING TO THE SOUTHEAST AT 20
MPH. THIS STORM WWAS MOVING SOUTHEAST AND WILL MOVE
OVER OR NEAR SPARTANBURG IN NORTHEAST CRAWFORD COUNTY.
 
 
SEVERE THUNDERSTORMS MAY PRODUCE DAMAGING WINDS... FREQUENT
LIGHTNING AND HEAVY RAINS WHICH MAY CAUSE FLOODING OF DRAINAGE
SYSTEMS. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO
PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING.
 
GABRIC

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 15, 4:45 AM EDT, 54 minutes before
PAZ001>003-OHZ002-003-005>014-017>023-027>033-036>038-047-060000-

SPECIAL WEATHER STATEMENT...HEAT ADVISORY
NATIONAL WEATHER SERVICE CLEVELAND OH
445 AM EDT SAT JUL 15 1995

A HEAT ADVISORY REMAINS IN EFFECT FOR ALL OF NORTHERN OHIO AS WELL AS
FOR NORTHWEST PENNSYLVANIA INLAND FROM THE LAKE.

A VERY HOT AND HUMID AIRMASS WILL CONTINUE TO AFFECT THE REGION'S
WEATHER THROUGH THE WEEKEND. MAXIMUM TEMPERATURES WILL AGAIN PUSH WELL
INTO THE 90S WITH SOME 100 DEGREE READINGS AGAIN POSSIBLE OVER THE
NORTHWEST CORNER OF THE OHIO. THESE TEMPERATURES COMBINED WITH HIGH
HUMIDITY WILL YIELD A HEAT INDEX (HI) (OR APPARENT TEMPERATURE) IN THE
105 TO 130 DEGREE RANGE.

AN ONSHORE BREEZE OFF OF LAKE ERIE WILL DEVELOP AND KEEP THE LAKESHORE
A FEW DEGREES COOLER THAN THE REMAINDER OF THE AREA....BUT IT WILL STILL
BE UNCOMFORTABLE. ALSO...A FEW THUNDERSTORMS OVER NORTHERN OHIO AND
NORTHWEST PENNSYLVANIA WILL PROVIDE SOME LOCALIZED COOLING.

HEAT KILLS BY TAXING THE HUMAN BODY BEYOND ITS ABILITIES TO COOL ITSELF.
PEOPLE IN THE HIGHER RISK GROUPS EXPOSED TO THESE CONDITIONS MAY FACE
SUNSTROKE...HEAT CRAMPS OR EXHAUSTION. EVERYONE SHOULD USE COMMON SENSE
IN DRINKING PLENTY OF LIQUIDS AND STAYING OUT OF THE HEAT FOR ANY
PROLONGED EXPOSURE.  SUNSHINE CAN MAKE HEAT INDEX TEMPERATURES 5 TO 10
DEGREES HIGHER

ALSO PEOPLE SHOULD INSURE THAT PETS AND FARM ANIMALS HAVE SHADE AND
PLENTY OF WATER. DO NOT LEAVE CHILDREN OR ANIMALS UNATTENDED IN CARS.

FOR THE LATEST INFORMATION AND STATEMENTS ON THIS HEAT WAVE LISTEN TO
NOAA WEATHER RADIO.

GABRIC
Special weather statement, Jul 15, 5:13 AM EDT, 26 minutes before
PAZ001>003-151300-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
513 AM EDT SAT JUL 15 1995

A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR ERIE AND CRAWFORD
COUNTIES OF NORTHWEST PENNSYLVANIA UNTIL 10 AM EDT.

INTENSE THUNDERSTORMS DEVELOPED RAPIDLY OVER NORTHWEST PENNSYLVANIA
THIS MORNING. THE STORMS WERE MOVING SOUTHEAST AT 20 MPH.

SEVERE THUNDERSTORMS CAN CONTAIN HAIL THREE QUARTERS OF AN INCH OR
LARGER AND WIND GUSTS OF 58 MPH OR HIGHER.

IF THREATENING WEATHER APPROACHES OR WARNINGS ARE ISSUED MOVE TO A SAFE
LOCATION.

KIELTYKA
Special weather statement, Jul 15, 5:16 AM EDT, 23 minutes before
PAZ001>003-151300-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
513 AM EDT SAT JUL 15 1995

A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR ERIE AND CRAWFORD
COUNTIES OF NORTHWEST PENNSYLVANIA UNTIL 10 AM EDT.

INTENSE THUNDERSTORMS DEVELOPED RAPIDLY OVER NORTHWEST PENNSYLVANIA
THIS MORNING. THE STORMS WERE MOVING SOUTHEAST AT 20 MPH.

SEVERE THUNDERSTORMS CAN CONTAIN HAIL THREE QUARTERS OF AN INCH OR
LARGER AND WIND GUSTS OF 58| MPH OR HIGHER.

IF THREATENING WEATHER APPROACHES OR WARNINGS ARE ISSUED MOVE TO A SAFE
LOCATION.

KIELTYKA

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 15, 4:33 AM EDTSevere Thunderstorm WarningCLEErie57 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; radar from the NEXRAD Level II archive.