Alert archive / Pennsylvania / Flash Flood Warnings in 1992

Flash Flood Warning 19, NWS Cleveland, OH

July 20, 1992McKean County, Warren County, Pennsylvania

NWS Cleveland, OH issued this flash flood warning at Jul 20, 1992, 8:28 PM EDT for McKean County, Warren County, Pennsylvania. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Jul 20, 1992, 8:28 PM EDT (00:28 UTC)
Expired
Jul 20, 1992, 10:30 PM EDT
In force
2 hr
Issued by
NWS Cleveland, OH
Area
Whole counties

Counties McKean County, PA, Warren County, PA

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 0.5 hours before the alert went out and 126 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, Buffalo Intl Airport, NY at 00:00Z on 1992-07-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 216 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, Buffalo Intl Airport, NY at 00:00Z on 1992-07-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -49 square meters per square second.19395878Sfc1 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
216 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
846 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
-49 m²/s²
0-3 km storm-relative helicity
-13 m²/s²
Significant tornado parameter
-0.1
Supercell composite
-1.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KERI 210032
FFWERI
PAC083-123-210230-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ERIE PA
828 PM EDT MON JUL 20 1992
 
THE NATIONAL WEATHER SERVICE IN ERIE HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1030 PM EDT
FOR THE FOLLOWING LOCATIONS...
 
IN NORTHWEST PENNSYLVANIA
 
   ...MCKEAN COUNTY...WARREN COUNTY
 
HEAVY RAIN THAT FELL ACROSS WARREN AND MCKEAN COUNTIES CAUSED MANY
SMALL STREAMS TO OVERFLOW THEIR BANKS. SIGNIFICANT FLOODING WAS
REPORTED IN PITTSFIELD...YOUNGSVILLE...SHEFIELD...AND RUSSELL. WEATHER
RADAR CONTINUES TO SHOW STEADY RAIN FALLING ACROSS MCKEAN AND WARREN
COUNTIES. THIS WILL CAUSE MORE FLOODING OVER GROUND THAT IS ALREADY
SATURATED.
 
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE 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 QUICKLY.  MOVE TO HIGHER GROUND.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT.  IT'S
IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR
CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS.  CAMPERS SHOULD
AVOID CAMPING ALONG STREAMS OR CREEKS DURING THREATENING RAINS.

What 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, 3:07 PM EDT, 5 hours 21 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, 5 hours 21 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
Local storm report, Jul 20, 6:11 PM EDT, 2 hours 17 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE AKRON OH
610 PM EDT MON JUL 20 1992

TIME EVENT OCCURRED.. 400 PM EDT

TYPE OF EVENT.. NUMEROUS REPORTS OF POWER OUTAGES IN STARK COUNTY.
LINES DOWN OVER NORTHERN STARK COUNTY (WHIPPLE RD)... NORTH SIDE OF
LOUISVILLE AND MARLBORO TOWNSHIP. STARK COUNTY SHERIFFS OFFICE REPORTS
MOST LINES DOWN BECAUSE OF WINDS AND TREE BRANCHES ON WIRES.

INJURIES..  NONE

DEATHS..  NONE

ALTO
Local storm report, Jul 20, 6:20 PM EDT, 2 hours 8 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE AKRON OH
616 PM EDT MON JUL 20 1992

TIME EVENT OCCURRED.. 400 PM EDT

TYPE OF EVENT.. NUMEROUS REPORTS OF POWER OUTAGES IN STARK COUNTY.
LINES DOWN OVER NORTHERN STARK COUNTY (WHIPPLE RD)... NORTH SIDE OF
LOUISVILLE AND MARLBORO TOWNSHIP. STARK COUNTY SHERIFFS OFFICE REPORTS
MOST LINES DOWN BECAUSE OF WINDS AND TREE BRANCHES ON WIRES.

SEVERAL LARGE TREES REPORTED DOWN ALONG WACKERLY DRIVE IN JACKSON
TOWNSHIP AT 400 PM. (STARK COUNTY) REPORT RECEIVED FROM JACKSON TOWNSHIP
POLICE AT 615 PM

INJURIES..  NONE

DEATHS..  NONE

ALTO   ...ADDITIONAL INFORMATION...
Special weather statement, Jul 20, 6:43 PM EDT, 1 hour 45 minutes before
OHZALL-210100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
645 PM EDT MON JUL 20 1992

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR MOST OF CENTRAL AND
SOUTHERN OHIO UNTIL 10 PM.

MAJOR CITIES IN THE WATCH AREA INCLUDE
CINCINNATI...COLUMBUS...DAYTON...IRONTON...STEUBENVILLE...AND
ZANESVILLE.

AT 640 PM WEATHER SERVICE RADAR SHOWED NUMEROUS SHOWERS AND
THUNDERSTORMS OVER EASTERN AND SOUTHERN OHIO. THE STRONGEST STORMS WERE
IN A LINE FROM NEAR WHEELING WEST VIRGINIA TO ABOUT 30 MILES EAST OF
CINCINNATI. THIS LINE WAS MOVING SOUTH AT 15 MPH. AT THIS RATE...IT WILL
AFFECT SOUTHERN OHIO FOR MUCH OF THE EVENING.

NO SEVERE WEATHER WAS REPORTED TO THE WEATHER SERVICE IN OHIO FOR THE
HOUR ENDING AT 645 PM. HOWEVER THESE STORMS COULD PRODUCE STRONG
WINDS...LARGE HAIL...OR HEAVY DOWNPOURS THAT MIGHT CAUSE PONDING OF
WATER. PEOPLE IN THEIR PATH SHOULD REMAIN ALERT FOR SUCH CONDITIONS AND
HAVE A PLACE OF SAFETY IN MIND IF THE WEATHER TURNS THREATENING.

KWIATKOWSKI
Special weather statement, Jul 20, 7:26 PM EDT, 1 hour 2 minutes before
OHZALL-210200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
725 PM EDT MON JUL 20 1992

THE SEVERE THUNDERSTORM WATCH THAT WAS IN EFFECT FOR MOST OF CENTRAL
AND SOUTHERN OHIO UNTIL 10 PM HAS BEEN CANCELED.

AT 720 PM WEATHER SERVICE RADAR SHOWED THAT THE SHOWERS AND
THUNDERSTORMS THAT AFFECTED CENTRAL AND SOUTHERN OHIO EARLIER IN THE
EVENING WERE STARTING TO WEAKEN. SEVERE WEATHER IS NO LONGER EXPECTED
THERE TONIGHT. HOWEVER LOCALLY HEAVY RAINS COULD STILL PRODUCE PONDING
OF WATER IN SOME AREAS.

KWIATKOWSKI

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 21, 1:29 AM EDTFlash Flood WarningCLEWarren4 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.