Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 15, NWS Cleveland, OH

April 24, 1992Venango County, Pennsylvania

NWS Cleveland, OH issued this severe thunderstorm warning at Apr 24, 1992, 2:46 AM EDT for Venango County, Pennsylvania. It was in force for 59 min.

The area

The counties it named.

The facts

Issued
Apr 24, 1992, 2:46 AM EDT (06:46 UTC)
Expired
Apr 24, 1992, 3:45 AM EDT
In force
59 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Venango County, PA

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 6.8 hours before the alert went out and 114 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 1992-04-24Temperature 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, Pittsburgh, PA at 00:00Z on 1992-04-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 96 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2971 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
96 m²/s²
0-3 km storm-relative helicity
175 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 240646
SVRERI
PAC121-240745-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE ERIE PA
246 AM EDT FRI APR 24 1992

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 345 AM EDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE NORTHWEST PART OF PENNSYLVANIA
      VENANGO

AT 240 AM EDT WEATHER RADAR INDICATED A SEVERE THUNDERSTORM IN
WESTERN VENANGO COUNTY MOVING TO THE EAST AT 30 MILES AN HOUR...
HEADING TOWARD FRANKLIN, PA.

WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND NEAR WINDOWS.  DO NOT USE TELEPHONES
OR ELECTRICAL APPLIANCES.  MOTORISTS SHOULD AVOID LOW WATER CROSSI&NGS.

IF YOU ARE CAUGHT OUTSIDE...FIND SHELTER IN A NEARBY REINFORCED
BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN AND DANGEROUS
LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.

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 24, 12:12 AM EDT, 2 hours 34 minutes before
PAZ001-002-240600
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ERIE, PA
1206 AM EDT FRI APR 24 1992

...ANOTHER ROUND OF STRONG THUNDERSTORMS ARE HEADED FOR THE PENNSYLVANIA
LAKESHORE...

AT 1200 AM ERIE WEATHER RADAR SHOWED STRONG THUNDERSTORMS FROM NEAR LONG POINT
ONTARIO...SOUTH ACROSS LAKE ERIE TO CONNEAUT OHIO.  THE STORMS WERE MOVING TO
THE EAST AT AROUND 35 MILES AN HOUR...AND WILL BE MOVING ACROSS THE PENNSYLVANIAWATERS OF LAKE ERIE ANsD PORTIONS OF ERIE AND CRAWFORD COUNTIES BETWEEN 1215
AND 1 AM THIS MORNING.

SOME OF THESE STORMS MAY PRODUCE WIND GUSTS TO AROUND 50 MILES AN HOUR...
HEAVY DOWNPOURS AND SMALL HAIL.

SANDSTROM
Special weather statement, Apr 24, 12:16 AM EDT, 2 hours 30 minutes before
OHZ001>004-011-240700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OHIO
1215 AM EDT FRI APR 24 1992

STRONG THUNDERSTORMS WERE AFFECTING NORTHEAST OHIO EARLY THIS MORNING.

AT 1210 AM WEATHER SERVICE RADAR SHOWED NUMEROUS THUNDERSTORMS SCATTERED
OVER NORTHEAST OHIO. THE STRONGEST STORMS WERE JUST WEST OF CLEVELAND.

INDIVIDUAL STORMS WERE MOVING EAST AT CLOSE TO 45 MPH. HOWEVER NEW
STORMS KEPT FORMING...SO THUNDERY WEATHER IS LIKELY TO BE AROUND
FOR MUCH OF THE EARLY MORNING.

THE STORMS AFFECTING NORTHEAST OHIO HAVE BEEN CAUSING BRILLIANT
LIGHTNING AND HEAVY DOWNPOURS. THEY ARE ALSO CAPABLE OF PRODUCING HAIL
AND GUSTY WINDS. THE GREATEST THREAT OF GUSTY WINDS WILL BE NEAR THE
LAKE ERIE SHORELINE. PEOPLE IN NORTHEAST OHIO SHOULD BE READY FOR A
VARIETY OF WEATHER CONDITIONS THIS MORNING.
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KWIATKOWSKI

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 1992Every severe thunderstorm warning in 1992

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.