Alert archive / Pennsylvania / Flash Flood Warnings in 1995

Flash Flood Warning 53, NWS Pittsburgh, PA

June 26, 1995Clarion County, Pennsylvania

NWS Pittsburgh, PA issued this flash flood warning at Jun 26, 1995, 12:23 AM EDT for Clarion County, Pennsylvania. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Jun 26, 1995, 12:23 AM EDT (04:23 UTC)
Expired
Jun 26, 1995, 4:00 AM EDT
In force
4 hr
Issued by
NWS Pittsburgh, PA
Area
Whole counties

County Clarion County, PA

The radar

The Pittsburgh radar (KPBZ), 99 km from the middle of the area, began a volume at 04:27 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 4.4 hours before the alert went out and 104 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 1995-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 333 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, Pittsburgh, PA at 00:00Z on 1995-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 square meters per square second.1939Sfc1 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
333 J/kg
Mixed-layer CIN
-51 J/kg
Mixed-layer LCL
950 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
50 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 KPIT 260424
FFWPIT
PAC031-260800-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PITTSBURGH PA
1223 AM EDT MON JUN 26 1995
 
THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  400 AM EDT
FOR THE FOLLOWING LOCATION...
 
IN WEST PENNSYLVANIA
 
   ...CLARION COUNTY
 
DOPPLER WEATHER RADAR INDICATED HEAVY RAINS OVER NORTHERN AND
WESTERN CLARION COUNTY. THE HEAVY RAINS WILL CAUSE FLOODING
ESPECIALLY ALONG THE PAINT AND DEER CREEK AND THEIR ADJOINING
TRIBUTARIES.
 
 
BE CAREFUL AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGER OF
FLOODS.  IF YOU GET ANY INDICATION THAT FLOODS ARE
APPROACHING...QUICKLY  MOVE UP TO ESCAPE FLOOD WATERS.  DO NOT STAY
IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT.  MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.  DO NOT
ATTEMPT TO CROSS BRIDGES OR LOW SPOTS IF WATER fCOVERS THE ROAD.
NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT.
TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.

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

Local storm report, Jun 25, 7:45 PM EDT, 4 hours 38 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
745 PM EDT SUN JUN 25 1995

TIME(EDT)  .....CITY.....            STATE ...EVENT/REMARKS...
           .....COUNTY.....

0350 PM    SOUTH BUFFALO TWP         PA    TREES BLOWN DOWN AND
06/25/95   ARMSTRONG                       BUILDING WIND DAMAGED

0355 PM    EXPORT                    PA    ROAD AND STREAM FLOODING
06/25/95   ARMSTRONG                       IN AND AROUND EXPORT

0400 PM    SOUTH BUFFALO TWP         PA    2 SUMMER HOMES WASHED AWAY
06/25/95   ARMSTRONG                       DOWN BUFFALO CREEK

0400 PM    SOUTH BUFFALO TWP         PA    BRIDGE WASHED OUT ON
06/25/95   ARMSTRONG                       BUFFALO CREEK

0400 PM    SOUTH BUFFALO TWP         PA    IRON BRIDGE ROAD FLOODED
06/25/95   ARMSTRONG                       AND CLOSED AND HOMES FLOODED

0400 PM    SLATE LICK                PA    FLOODED ROADS THROUGHOUT
06/25/95   ARMSTRONG                       SLATE LICK

0450 PM    3 MI NORTH OF KITTANNING  PA    4.21 INCHES OF RAIN
06/25/95   ARMSTRONG

END

PALKO

The office that day

Everything else NWS Pittsburgh, PA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 26, 3:44 PM EDTSevere Thunderstorm WarningPBZWashington61 min
Jun 26, 5:23 PM EDTSevere Thunderstorm WarningPBZButler67 min

Nearby

Flash Flood Warnings in Pennsylvania, 1995Every flash flood warning in 1995

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; radar from the NEXRAD Level II archive.