Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 119, NWS Cleveland, OH

August 2, 1986Crawford County, Pennsylvania

NWS Cleveland, OH issued this severe thunderstorm warning at Aug 2, 1986, 7:53 PM EDT for Crawford County, Pennsylvania. It was in force for 67 min.

The area

The counties it named.

The facts

Issued
Aug 2, 1986, 7:53 PM EDT (23:53 UTC)
Expired
Aug 2, 1986, 9:00 PM EDT
In force
67 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Crawford County, PA

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 11.9 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 12:00Z on 1986-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 41 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 1986-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 square meters per square second.1939587897Sfc1 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
41 J/kg
Mixed-layer CIN
-70 J/kg
Mixed-layer LCL
963 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
76 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 KERI 022353
SVRERI
PAC039-030100-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ERIE PA
753 PM EDT SAT AUG 2 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 900 PM EDT FOR PEOPLE IN THE FOLLOWING 
COUNTY OF

NORTHWEST PENNSYLVANIA...CRAWFORD

AT 745 PM WEATHER RADAR INDICATED A SEVERE THUNDERSTORM OVER
WESTERN CRAWFORD COUNTY IN WESTERN PENNSYLVANIA.
THE STOR
M WAS MOVING EAST AT 30 MILES AN HOUR.

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 2, 5:03 PM EDT, 2 hours 50 minutes before
^CLESPSTOL

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOLEDO OH
503 PM EDT SAT AUG 2 1986

SHOWERS AND THUNDERSTORMS WERE CONTINUING TO DEVELOP ACROSS NORTHWEST
OHIO LATE THIS AFTERNOON.

AT 5 PM WEATHER RADAR INDICATED SHOWERS AND THUNDERSTORMS ACROSS
WILLIAMS..DEFIANCE AND FULTON COUNTIES OF NORTHWEST OHIO. HEAVIEST
ACTIVITY WAS OVER SOUTHWEST FULTON COUNTY AND PEA SIZE HAIL WAS REPORTED
WITH THIS STORM. MOVEMENT OF THESE SHOWERS AND THUNDERSTORMS WAS EAST
AT 30 MPH.

PEOPLE THROUGHOUT NORTHWEST OHIO SHOULD BE PREPARED FOR RAPIDLY CHANGING
WEATHER CONDITIONS THE NEXT FEW HOURS.

KSL

                                                     &
Special weather statement, Aug 2, 7:19 PM EDT, 34 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ERIE, PA
716 PM EDT SAT AUG 02 1986

...HEAVY THUNDERSTORMS ARE HEADED FOR NORTHWEST PENNSYLVANIA...

DURING THE PAST HOUR..HEAVY THUNDERSTORMS HAVE DEVELOPED ACROSS PARTS OF
NORTHEAST OHIO.

THE STORMS ARE MOVING TO THE EAST AROUND 30 MILES AND WILL BE MOVING
INTO NORTHWEST PENNSYLVANIA DURING THE NEXT FEW HOURS.

SOME OF THESE THUNDERSTORMS MAY PRODUCE VERY HEAVY DOWNPOURS..HAIL..AND
STRONG AND GUSTY WINDS.
Special weather statement, Aug 2, 7:20 PM EDT, 33 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
720 PM EDT SAT AUG 2 1986

AT 710 PM WEATHER SERVICE RADAR INDICATED A CLUSTER OF DEVELOPING
THUNDERSTORMS FROM JUST NORTH AND EAST OF CLEVELAND TO THE
PENNNSYLVANIA BORDER. SOME OF THE THUNDERSTORMS WERE RATHER HEAVY
WITH STRONG GUSTY WINDS, LOCAL DOWNPOURS AND SMALL HAIL.

AT 710 PM HALF INCH HAIL WAS REPORTED AT CHESTERLAND IN WESTERN
GEAUGA COUNTY.

MORE THUNDERSTORMS WERE OVER ~THE EXTREME WEST END OF LAKE ERIE INTO
THE ISLANDS AREA.

ALL THE THUNDERSTORMS WERE MOVING TO THE EAST AT ABOUT 30 MPH.

VRCEK
Special weather statement, Aug 2, 7:46 PM EDT, 7 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE YOUNGSTOWN OH
745 PM EDT SAT AUG 2 1986

AT 740 PM EDT WEATHER RADAR INDICATED A HEAVY THUNDERSTORM MOVING
INTO NORTHWESTERN TRUMBULL COUNTY NEAR MESOPOTAMIA.

THIS STORM LIKELY CONTAINS VERY HEAVY RAIN..FREQUENT LIGHTNING..
GUSTY WINDS AND SMALL HAIL.

PEOPLE SHOULD BE PREPARED TO MOVE TO SHELTER AS THIS THUNDERSTORM
MOVES EAST AT ABOUT 30 MPH.

MILLER

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Nearby

Severe Thunderstorm Warnings in Pennsylvania, 1986Every severe thunderstorm warning in 1986

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.