Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 111, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at Jul 20, 1992, 2:25 PM EDT for Venango County, Warren County, Pennsylvania. It was in force for 65 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jul 20, 1992, 2:25 PM EDT (18:25 UTC)
- Expired
- Jul 20, 1992, 3:30 PM EDT
- In force
- 65 min
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
Counties Venango County, PA, Warren County, PA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 20, 2:45 PM EDT | Hail 0.75 | Venango, PA |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 6.4 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.
- Mixed-layer CAPE
- 136 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 874 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 101 m²/s²
- 0-3 km storm-relative helicity
- 104 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KERI 201828 SVRERI PAC121-123-201930- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ERIE PA 225 PM EDT MON JUL 20 1992 THE NATIONAL WEATHER SERVICE IN ERIE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 330 PM EDT FOR THE FOLLOWING LOCATIONS... IN NORTHWEST PENNSYLVANIA ...VENANGO COUNTY...WARREN COUNTY AT 220 PM EDT WEATHER RADAR SHOWED A SEVERE THUNDERSTORM OVER NORTHWEST WARREN COUNTY. ANOTHER SEVERE THUNDERSTORM WAS LOCATED OVER NORTHERN VENANGO COUNTY...ABOUT 5 MILES NORTH OF OIL CITY. THESE STORMS WERE MOVING TO THE EAST AT 30 MILES AN 30 MILES AN HOUR. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS. 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 20, 1:13 PM EDT, 1 hour 12 minutes before
PAZOO1-002-201900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ERIE, PA 105 PM EDT MON JUL 20 1992 ...STRONG THUNDERSTORMS FORMING OVER PARTS OF NORTHWEST PENNSYLVANIA... AT 1PM EDT WEATHER RADAR SHOWED A LINE OF THUNDERSTORMS THAT EXTENDED FROM CHAUTAUQUA COUNTY...NEW YORK STATE TO JUST SOUTH OF ERIE PENNSYLVANIA TO CENTRAL ASHTABULA COUNTY OHIO. THE THUNDERSTORMS WERE MOVING TO THE EAST AT 35 MILES AN HOUR. THE STORMS THAT DEVELOPED JUST SOUTH OF ERIE PRODUCED VERY HEAVY RAIN...INTENSE LIGHTNING AND WIND GUSTS TO 50 MILES AN HOUR. THE AIR OVER WESTERN PENNSYLVANIA HAS BECOME VERY WARM AND UNSTABLE AND MORE THUNDERSTORMS WILL DEVELOP DURING THE AFTERNOON AND EVENING HOURS. STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER UPDATES OR POSSIBLE WARNING FROM THE NATIONAL WEATHER SERVICE. TJP/RAR
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 20, 1:30 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 60 min |
| Jul 20, 3:14 PM EDT | Severe Thunderstorm Warning | CLE | Lawrence | 61 min |
| Jul 20, 5:57 PM EDT | Flash Flood Warning | CLE | Forest, Venango, Warren | 3 hr |
| Jul 20, 6:15 PM EDT | Flash Flood Warning | CLE | Crawford | 2 hr |
| Jul 20, 6:15 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 2 hr |
| Jul 20, 6:27 PM EDT | Flash Flood Warning | CLE | Cameron, Elk, McKean | 3 hr |
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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.