Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 128, NWS Cleveland, OH

July 29, 1992Erie County, Pennsylvania

NWS Cleveland, OH issued this severe thunderstorm warning at Jul 29, 1992, 5:29 AM EDT for Erie County, Pennsylvania. It was in force for 61 min.

The area

The counties it named.

The facts

Issued
Jul 29, 1992, 5:29 AM EDT (09:29 UTC)
Expired
Jul 29, 1992, 6:30 AM EDT
In force
61 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Erie County, PA

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 9.5 hours before the alert went out and 190 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 1992-07-29Temperature 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 1992-07-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 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
1180 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
35 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 290933
SVRERI
PAC049-291030-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ERIE PA
529 AM EDT WED JUL 29 1992
 
THE NATIONAL WEATHER SERVICE IN ERIE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  630 AM EDT
FOR THE FOLLOWING LOCATION...
 
IN NORTHWEST PENNSYLVANIA
 
   ...ERIE COUNTY
 
AND AJACENT LAKE ERIE WATERS
 
 
AT 525 THIS MORNING RADAR SHOWED A SEVERE THUNDERSTORM WEST OF
WATERFORD NEAR I-79 IN ERIE COUNTY...A SECOND SEVERE THUNDERSTORM WAS
NEAR WEST SPRINGFIELD IN THE NORTHWEST CORNER OF THE COUNTY.
 
THESE SEVERE STORMS ARE MOVING EASTWARD AT 25 MILES AN HOUR.
 
 
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 COVERS THE ROAD.

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 29, 4:51 AM EDT, 38 minutes before
PAZ001-002-291000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ERIE, PA
444 AM EDT WED JUL 29 1992

...STRONG THUNDERSTORMS OVER LAKE ERIE MOVING TOWARDS NORTHWEST PENNSYLVANIA...

AT 440 THIS MORNING ERIE WEATHER RADAR SHOWED A BROKEN LINE OF SHOWERS
AND STRONG THUNDERSTORMS FROM OVER THE LAKE NORTH OF FAIRPORT HARBOR OHIO...
EASTWARD TO JUST OFF THE WESTERN ERIE COUNTY SHORELINE.

THESE THUNDERSTORMS ARE MOVING EASTWARD AT 30 MILES AN HOUR AND WILL BE
AFFECTING ERIE COUNTY AND THE ADJACENT LAKE ERIE WATERS UNTIL 700 AM.

SOME THUNDERSTORMS WILL PRODUCE STRONG GUSTY WINDS...DANGEROUS LIGHTNING...
SMALL HAIL AND HEAVY DOWNPOURS CAUSING PONDING ON ROADWAYS AND FLOODING OF
LOW LYING AREAS.

PARRISH
Special weather statement, Jul 29, 5:29 AM EDT, 0 minutes before
OHZALL-301200-

SEVERE WEATHER OUTLOOK FOR OHIO
NATIONAL WEATHER SERVICE CLEVELAND OH
530 AM EDT WED JUL 29 1992

THE NATIONAL WEATHER SERVICE IN CLEVELAND SAYS THAT THERE IS A SLIGHT
CHANCE OF SEVERE THURNDERSTORMS ACROSS SOUTHERN OHIO TODAY. THE MOST
LIKELY TIME FOR SEVERE WEATHER WOULD BE THIS AFTERNOON AND EVENING.

KOSARIK

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 29, 3:46 PM EDTFlash Flood WarningCLELawrence, Mercer119 min

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.