Alert archive / Pennsylvania / Flash Flood Warnings in 1992
Flash Flood Warning 16, NWS Cleveland, OH
NWS Cleveland, OH issued this flash flood warning at Jul 20, 1992, 5:57 PM EDT for Forest County, Venango County, Warren County, Pennsylvania. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jul 20, 1992, 5:57 PM EDT (21:57 UTC)
- Expired
- Jul 20, 1992, 9:00 PM EDT
- In force
- 3 hr
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
Counties Forest County, PA, Venango County, PA, Warren County, PA
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 10.0 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 202157
FFWERI
PAC053-121-123-210100-
BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ERIE PA
557 PM EDT MON JUL 20 1992
THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING
EFFECTIVE UNTIL 900 PM EDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE NORTHWEST PART OF PENNSYLVANIA
FOREST...VENANGO...WARREN
...A FLASH FLOOD WATCH IS IN EFFECT FOR MOST OF WESTERN...
...PENNSYLVANIA UNTIL 10 PM EDT...
RADAR SHOWS NUMEROUS SHOWERS AND THUNDERSTORMS MOVING ACROSS THE
WARNED COUNTIES...
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROADWAY.
THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY.
VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED IMMEDIATELY.
MOVE TO HIGHER GROUND.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOOD WATERS. IF FLASH FLOODING IS OBSERVED...
ACT QUICKLY. MOVE TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
WSO ERIWhat forecasters said that day
The local office's own words before this flash flood 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, 4 hours 44 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
Special weather statement, Jul 20, 3:07 PM EDT, 2 hours 50 minutes before
OHZ004-007-202030- SPEACIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AKRON CANTON OHIO 305 PM EDT MON JUL 20 1992 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MOST OF NORTHERN AND CENTRAL OHIO UNTIL 800 PM EDT. OVER EASTERN OHIO THIS WOULD BE MAINLY NORTH OF INTERSTATE-70. SOME CITIES INCLUDED IN THE WATCH ARE AKRON...CANTON...YOUNGSTOWN... MANSFIELD...NEW PHILADELPHIA...CAMBRIDGE...STEUBENVILLE...ZANESVILLE... AND CLEVELAND AT 3PM NATIONAL WEATHER SERVICE RADAR INDICATED THUNDERSTORMS SCATTERED THROUGHOUT NORTHERN AND CENTRAL OHIO. THUNDERSTORMS PRODUCING SMALL HAIL AND HEAVY RAIN WAS OCCURRING FROM AROUND THE AKRON AREA WEST TO MANSFIELD. AT 225 PM PEA SIZE HAIL WAS REPORTED APPROXIMATELY 4 MILES NORTHWEST OF THE AIRPORT...AND AT 235 PM DIME SIZE HAIL...ALONG WITH VERY HEAVY RAINS WAS REPORTED ABOUT 3 MILES NORTH OF THE AKRON-CANTON AIRPORT. AT APPROXIMATELY THE SAME TIME...WIND GUST TO 32 MPH WAS OBSERVED AT THE AKRON-CANTON AIRPORT. RADAR ALSO INDICATED HEAVY THUNDERSTORMS OVER COSCHOCTON COUNTY. THESE STORMS ARE MOVING EAST AT 35 MPH. THESE THUNDERSTORMS MAY PRODUCE WIND GUSTS IN EXCESS OF 55 MPH AND LARGE HAIL. HEAVY DOWNPOURS WILL PRODUCE SOME FLOODING OF LOW LYING AREAS... AND PONDING OF WATER ON THE HIGHWAYS. LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR THE LATEST WEATHER INFORMATION AND POSSIBLE WARNINGS. ALTO
Special weather statement, Jul 20, 3:07 PM EDT, 2 hours 50 minutes before
OHZ004-PAZ003-202030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE YOUNGSTOWN OH 308 PM EDT MON JUL 20 1992 ...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR NORTHEAST OHIO AND WESTERN PENNSYLVANIA UNTIL 8 PM THIS EVENING... AT 305 PM EDT WEATHER SERVICE RADAR INDICATED A LINE OF STRONG THUNDERSTORMS EXTENDING ACROSS MERCER COUNTY IN PENNSYLVANIA WEST INTO MAHONING COUNTY IN OHIO. THE STRONGEST STORM WAS LOCATED WEST OF THE CITY OF YOUNGSTOWN. MOVEMENT WAS TO THE EAST AT 30 MPH. AT 255 PM AMATEUR RADIO OPERATORS REPORTED PEA SIZE HAIL AND WINDS GUSTING TO 40 MPH IN THE CANFIELD AND AUSTINTOWN AREAS. THESE STORMS WILL CONTINUE TO AFFECT YOUNGSTOWN UNTIL 345 PM. LISTEN TO NOAA WE ATHER RADIO OR LOCAL MEDIA FOR FURTHER UPDATES AND POSSIBLE WARNINGS. MITCHELL
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, 2:25 PM EDT | Severe Thunderstorm Warning | CLE | Venango, Warren | 65 min |
| Jul 20, 3:14 PM EDT | Severe Thunderstorm Warning | CLE | Lawrence | 61 min |
| 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
Flash Flood Warnings in Pennsylvania, 1992Every flash flood 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.