Alert archive / Pennsylvania / Flash Flood Warnings in 1992

Flash Flood Warning 47, NWS Cleveland, OH

August 8, 1992Crawford County, Pennsylvania

NWS Cleveland, OH issued this flash flood warning at Aug 8, 1992, 6:50 PM EDT for Crawford County, Pennsylvania. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Aug 8, 1992, 6:50 PM EDT (22:50 UTC)
Expired
Aug 8, 1992, 9:45 PM EDT
In force
3 hr
Issued by
NWS Cleveland, OH
Area
Whole counties

County Crawford County, PA

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 10.8 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.

Skew-T log-pSkew-T log-p diagram, Pittsburgh, PA at 12:00Z on 1992-08-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 262 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 12:00Z on 1992-08-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 243 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
262 J/kg
Mixed-layer CIN
-52 J/kg
Mixed-layer LCL
615 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
243 m²/s²
0-3 km storm-relative helicity
248 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KERI 082250
FFWERI
PAC039-090145-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
URBAN AND SMALL STREAM FLOOD WARNING 
NATIONAL WEATHER SERVICE ERIE PA
650 PM EDT SAT AUG 8 1992

THE NATIONAL WEATHER SERVICE HAS ISSUED A URBAN AND SMALL 
STREAM FLOOD WARNING EFFECTIVE UNTIL 945 PM EDT FOR PEOPLE IN 
THE FOLLOWING COUNTY

   IN THE NORTHWEST PART OF PENNSYLVANIA
      SOUTHERN CRAWFORD

SHOWERS AND THUNDERSTORMS OVER THE SOUTHERN HALF OF CRAWFORD COUNTY
THIS AFTERNOON HAVE DUMPED FROM OVER AN INCH OF RAIN ON MANY
LOCATIONS...RADAR INDICATED THUNDERSTORMS WITH HEAVY RAINS
CONTINUING TO MOVE ACROSS THE WARNED AREA.

A FLASH FLOOD WARNING MEANS FLOODING IS OCCURRING OR IS IMMINENT.
MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.  DO NOT ATTEMPT TO
CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY.
NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT.
TO ESCAPE RISING WATER MOVE TO HIGHER GROUND.

 ALONG WITH THE FLOODING THUNDERSTORMS WILL ALSO PRODUCE STRONG
 GUSTY WINDS...POSSIBLE LARGE HAIL AND DANGEROUS LIGHTING.

 PARRISH

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, Aug 8, 4:01 PM EDT, 2 hours 49 minutes before
PAZ001-082030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ERIE, PA
350 PM EDT SAT AUG 08 1992

...STRONG THUNDERSTORM DEVELOPING NEAR THE PENNSYLVANIA LAKESHORE...

AT 350 THIS AFTERNOON WEATHER RADAR SHOWED A STRONG THUNDERSTORM DEVELOPING
OFFSHORE FROM CONNEAUT OHIO...OTHER THUNDERSTORMS ARE DEVELOPING JUST
SOUTH OF THE LAKESHORE IN NORTHEASTERN OHIO.  ALSO AN ISOLATED
THUNDERSTORM WAS OVER THE CENTRAL LAKE SOUTH OF LONG POINT CANADA.

THUNDERSTORMS WERE MOVING TOWARDS THE EAST AT 15 MILES AN HOUR.

SMALL BOATERS ON LAKE ERIE SHOULD KEEP ALERT FOR THREATENING WEATHER
AND BE PREPARED TO SEEK SAFE HARBOR.

PARRISH
Special weather statement, Aug 8, 5:03 PM EDT, 1 hour 47 minutes before
OHZALL-082200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
502 PM EDT SAT AUG 8 1992

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE NORTHEAST QUARTER OF
OHIO UNTIL 11 PM EDT THIS EVENING.

SOME OF THE CITIES INCLUDED IN THIS WATCH ARE AKRON-CANTON...LORAIN...
ASHTABULA...CLEVELAND...YOUNGSTOWN...AND STEUBENVILLE.

NATIONAL WEATHER SERVICE RADAR AND LIGHTNING DETECTION SYSTEMS AT 5 PM
SHOWED SCATTERED SHOWERS AND THUNDERSTORMS STRETCHING ON A LINE FROM
EASTERN LAKE ERIE WEST OF BUFFALO SOUTHWEST TO NEAR MANSFIELD. OTHER
THUNDERSTORMS WERE IN EASTERN AND SOUTHERN INDIANA. ALL OF THE
THUNDERSTORMS WERE MOVING TO THE EAST AT AROUND 25 MPH.

THE STRONGEST THUNDERSTORMS WERE IN ASHTABULA COUNTY IN NORTHEAST OHIO
AND ALONG THE PENNSYLVANIA SHORELINE OF LAKE ERIE.

THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING WIND GUSTS IN EXCESS OF
55 MPH...VERY HEAVY RAIN...LARGE HAIL...AND FREQUENT LIGHTNING.

A SEVERE THUNDERSTORM WATCH MEANS THAT THERE IS A POSSIBILITY FOR
SEVERE THUNDERSTORMS TO DEVELOP IN THE WATCH AREA. IF THREATENING
WEATHER SHOULD APPROACH YOUR LOCATION...SEEK SHELTER...PREFERABLY
INSIDE A REINFORCED SHELTER OR BUILDING. STAY AWAY FROM WINDOWS.

lPARTAIN
Special weather statement, Aug 8, 5:17 PM EDT, 1 hour 33 minutes before
OHZ004-007-082200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AKRON CANTON OH
515 PM EDT SAT AUG 8 1992

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PARTS OF NORTHEAST OHIO
AND WESTERN PENNSYLV
Special weather statement, Aug 8, 5:50 PM EDT, 1 hour before
OHZ004-082300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE YOUNGSTOWN OH
550 PM EDT SAT AUG 8 1992

A SEVERE THUNDERSTORMS WATCH UNTIL 11 PM EDT.

STRONG THUNDERSTORMS WERE MOVING INTO THE MAHONING AND SHENANGO VALLEYS.

AT 540 PM EDT WEATHER RADAR INDICATED A LINE OF THUNDERSTORMS RUNNING
FROM SOUTH OF BUFFALO NEW YORK THROUGH ERIE PENNSYLVANIA TO AKRON TO
NEAR DATON. THE STONGEST CELLS WERE OVER ASHTABULA COUNTY AND OVER THE
CITY OF AKRON IN SUMMIT COUNTY. THERE ARE SEVERE THUNDERSTORM WARNINGS
FOR BOTH ASHTABULA AND SUMMIT COUNTIRES UNTIL 630 PM.

A CELL WAS JUST ENTERING EXTREME SOUTHERN TRUMBULL COUNTY FROM PORTAGE
COUNTY NEAR NEWTON FALLS. THIS STORM WAS MOVING EAST AT 25 MPH AND WILL
AFFECT THE CITIES OF WARREN AND LIBERTY BY ABOUT 615 PM.

IF SEVERE WEATHER THREATENS TAKE SHELTER IN THE BASEMENT OR INTERIOR

ROOM. REMEMBER THAT A WATCH MEANS CONDITIONS ARE POSSIBLE FOR SEVERE
WEATHER TO OCCUR. LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR
UPDATES.

SITES
Special weather statement, Aug 8, 5:57 PM EDT, 53 minutes before
OHZALL-082300-

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
555 PM EDT SAT AUG 8 1992

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR THE NORTHEAST QUARTER
OF OHIO UNTIL 11 PM EDT THIS EVENING.

SOME OF THE CITIES INCLUDED IN THIS WATCH ARE AKRON-CANTON...LORAIN...
ASHTABULA...CLEVELAND...YOUNGSTOWN...AND STEUBENVILLE.

SEVERE THUNDERSTORM WARNINGS WERE IN EFFECT FOR ASHTABULA COUNTY AND
FOR SUMMIT COUNTY...INCLUDING THE CITY OF AKRON...UNTIL 630 PM EDT.

AT 550 PM WEATHER SERVICE RADAR SHOWED THUNDERSTORMS SCATTERED ON A
LINE FROM BUFFALO NEW YORK SOUTHWEST INTO NORTHEAST OHIO AND DOWN TO
JUST NORTHEAST OF DAYTON. THE THUNDERSTORMS WERE MOVING TO THE EAST AT
AROUND 25 MPH. THE STRONGEST THUNDERSTORMS WERE OVER SOUTHERN ASHTABULA
COUNTY...IN SUMMIT COUNTY NEAR AKRON...AND IN NORTHERN WAYNE COUNTY.

THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING WIND GUSTS IN EXCESS OF
55 MPH...TORRENTIAL RAIN...LARGE HAIL...AND FREQUENT LIGHTNING.

A SEVERE THUNDERSTORM WATCH MEANS THAT THERE IS A POSSIBILITY FOR
SEVERE THUNDERSTORMS TO DEVELOP IN THE WATCH AREA. IF THREATENING
WEATHER SHOULD APPROACH YOUR LOCATION...SEEK SHELTER...PREFERABLY
INSIDE A REINFORCED SHELTER OR BUILDING. STAY AWAY FROM WINDOWS.

PARTAIN

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 8, 4:18 PM EDTSevere Thunderstorm WarningCLEErie57 min
Aug 8, 5:19 PM EDTSevere Thunderstorm WarningCLEErie56 min
Aug 8, 5:51 PM EDTSevere Thunderstorm WarningCLECrawford69 min
Aug 8, 6:45 PM EDTSevere Thunderstorm WarningCLEErie60 min
Aug 8, 7:05 PM EDTSevere Thunderstorm WarningCLEVenango55 min
Aug 8, 7:07 PM EDTSevere Thunderstorm WarningCLELawrence, Mercer68 min
Aug 8, 7:19 PM EDTTornado WarningCLELawrence41 min
Aug 8, 7:40 PM EDTSevere Thunderstorm WarningCLECrawford65 min

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.