Alert archive / Pennsylvania / Flash Flood Warnings in 1995

Flash Flood Warning 37, NWS Pittsburgh, PA

June 21, 1995Allegheny County, Beaver County, Pennsylvania

NWS Pittsburgh, PA issued this flash flood warning at Jun 21, 1995, 10:29 PM EDT for Allegheny County, Beaver County, Pennsylvania. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Jun 21, 1995, 10:29 PM EDT (02:29 UTC)
Expired
Jun 22, 1995, 2:00 AM EDT
In force
4 hr
Issued by
NWS Pittsburgh, PA
Area
Whole counties

Counties Allegheny County, PA, Beaver County, PA

The radar

The Pittsburgh radar (KPBZ), 7 km from the middle of the area, began a volume at 02:26 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, 2.5 hours before the alert went out and 19 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 1995-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 159 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 1995-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 133 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
159 J/kg
Mixed-layer CIN
-174 J/kg
Mixed-layer LCL
1181 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
133 m²/s²
0-3 km storm-relative helicity
123 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 220232
FFWPIT
PAC003-007-220600-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PITTSBURGH PA
1029 PM EDT WED JUN 21 1995
 
THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  200 AM EDT
FOR THE FOLLOWING LOCATIONS...
 
IN WEST PENNSYLVANIA
 
   ...ALLEGHENY COUNTY...BEAVER COUNTY
 
TORRENTIAL RAINS OF 2.00 TO 3.00 INCHES IN LESS THAN 2 HOURS THIS
EVENING HAS PRODUCED FLOODING IN A NUMBER OF LOCALITIES IN BOTH BEAVER
AND ALLEGHENY COUNTIES. RUNOFF FROM THE HEAVY RAINS WILL CONTINUE DURING
THE NEXT SEVERAL HOURS ALONG WITH POOR DRAINAGE AREA FLOODING.
BE ESPECIALLY CAREFUL AT NIGHT AND NEVER DRIVE THROUGH A FLOODED AREA.
ROADWAYS IN A FEW LOCATIONS MAY BE FLOODED.
 
 
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.

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 21, 9:45 PM EDT, 44 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
945 PM EDT WED JUN 21 1995

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

0250 PM    NEW PHILADELPHIA          OH    3/4 INCH HAIL
06/21/95   TUSCARAWAS

0326 PM    WHITE TOWNSHIP            PA    3/4 INCH HAIL
06/21/95   INDIANA

0330 PM    SALEM TOWNSHIP            PA    LARGE TREES AND POWER LINES
06/21/95   WESTMORELAND                    DOWN

0335 PM    NORTH BRADDOCK            PA    3/4 INCH HAIL
06/21/95   ALLEGHENY

0405 PM    VERONA                    PA    LARGE TREE LIMBS DOWN
06/21/95   ALLEGHENY

0407 PM    ASPINWALL                 PA    POWER LINES BLOWN DOWN
06/21/95   ALLEGHENY

0409 PM    HOMEWOOD/EAST LIBERTY     PA    1/2 INCH HAIL
06/21/95   ALLEGHENY

0415 PM    NEW PHILIDELPHIA          OH    STREET FLOODING AND 1/2 INCH
06/21/95   TUSCARAWAS                      HAIL

0420 PM    SHALER TOWNSHIP           PA    1-3/4 INCH HAIL
06/21/95   ALLEGHENY

0423 PM    TRANSFER 10 MI N SHARON   PA    LARGE TREES DOWN
06/21/95   MERCER

0430 PM    WEST VIEW                 PA    3/4 INCH HAIL
06/21/95   ALLEGHENY

0450 PM    EMSWORTH/CAMP HORNE ROAD  PA    LARGE TREES DOWN
06/21/95   ALLEGHENY

0445 PM    BROOKVILLE                PA    3/4 INCH HAIL
06/21/95   JEFFERSON

0445 PM    SHIPPENSVILLE             PA    3/4 INCH HAIL
06/21/95   CLARION

0445 PM    NEAR MERCER               PA    4 HOUSES STRUCK BY LIGHTNING
06/21/95   MERCER

0505 PM    SEWICKELY                 PA    POWER LINES BLOWN DOWN
06/21/95   ALLEGHENY

0515 PM    PITTSBURGH                PA    3 PEOPLE STRUCK BY LIGHTNING
06/21/95   ALLEGHENY                       1 PERSON KILLED ON GOLF
                                           COURSE IN OAKLAND SECTION OF
                                           PITTSBURGH

0520 PM    MERCER                    PA    3/4 INCH HAIL
06/21/95   MERCER                            SEVERAL HOMES STRUCK LTG

0525 PM    NEW BETHLEHEM             PA    LARGE TREES DOWN
06/21/95   CLARION

0535 PM    PARKER                    PA    LARGE TREES DOWN
06/21/95   ARMSTRONG

0535 PM    FOXBURG                   PA    LARGE TREES DOWN
06/21/95   ARMSTRONG

0535 PM    EMLENTON                  PA    LARGE TREES DOWN
06/21/95   VENANGO

0545 PM    SLIPPERY ROCK             PA    LARGE TREES AND POWER LINES
06/21/95   BUTLER                          DOWN

0618 PM    SALEM                     OH    60 MPH WINDS
06/21/95   COLUMBIANA

0620 PM    BUTLER TOWNSHIP           OH    POWER LINES BLOWN DOWN
06/21/95   COLUMBIANA

0630 PM    LISBON                    OH    TORNADO TOUCHDOWN NEAR ROUTES
06/21/95   COLUMBIANA                      45 AND 517

0635 PM    HOMEWORTH                 OH    LARGE TREES DOWN N OF
06/21/95   COLUMBIANA                      HOMEWORTH

0640 PM    SALEM                     OH    LARGE TREE LIMBS DOWN
06/21/95   COLUMBIANA

0640 PM    BUTLER TOWNSHIP           OH    LARGE TREE LIMBS DOWN
06/21/95   COLUMBIANA

0640 PM    SALEM                     OH    1.00 INCH OF RAIN IN 45 MIN
06/21/95   COLUMBIANA

0645 PM    MINERVA                   OH    1 INCH HAIL
06/21/95   COLUMBIANA

0648 PM    UNITY TOWNSHIP            OH    1.75 INCH OF RAIN IN 1 HOUR
06/21/95   COLUMBIANA                      STREET FLOODING

0650 PM    NEW HARRISBURG            OH    FUNNEL CLOUD
06/21/95   CARROLL

0653 PM    SALEM                     OH    LARGE TREES DOWN
06/21/95   COLUMBIANA

0700 PM    EAST LIVERPOOL            OH    LARGE TREES DOWN
06/21/95   COLUMBIANA

0700 PM    SIGEL                     PA    LARGE TREES DOWN 3MI N
06/21/95   JEFFERSON                       OF SIGEL

0745 PM    CLEAR CREEK               PA    LARGE TREES DOWN
06/21/95   JEFFERSON                       NEAR CLEAR CREEK STATE PARK

END

PALKO
Local storm report, Jun 21, 9:49 PM EDT, 40 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
945 PM EDT WED JUN 21 1995

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

0250 PM    NEW PHILADELPHIA          OH    3/4 INCH HAIL
06/21/95   TUSCARAWAS

0326 PM    WHITE TOWNSHIP            PA    3/4 INCH HAIL
06/21/95   INDIANA

0330 PM    SALEM TOWNSHIP            PA    LARGE TREES AND POWER LINES
06/21/95   WESTMORELAND                    DOWN

0335 PM    NORTH BRADDOCK            PA    3/4 INCH HAIL
06/21/95   ALLEGHENY

0405 PM    VERONA                    PA    LARGE TREE LIMBS DOWN
06/21/95   ALLEGHENY

0407 PM    ASPINWALL                 PA    POWER LINES BLOWN DOWN
06/21/95   ALLEGHENY

0409 PM    HOMEWOOD/EAST LIBERTY     PA    1/2 INCH HAIL
06/21/95   ALLEGHENY

0415 PM    NEW PHILIDELPHIA          OH    STREET FLOODING AND 1/2 INCH
06/21/95   TUSCARAWAS                      HAIL

0420 PM    SHALER TOWNSHIP           PA    1-3/4 INCH HAIL
06/21/95   ALLEGHENY

0423 PM    TRANSFER 10 MI N SHARON   PA    LARGE TREES DOWN
06/21/95   MERCER

0430 PM    WEST VIEW                 PA    3/4 INCH HAIL
06/21/95   ALLEGHENY

0450 PM    EMSWORTH/CAMP HORNE ROAD  PA    LARGE TREES DOWN
06/21/95   ALLEGHENY

0445 PM    BROOKVILLE                PA    3/4 INCH HAIL
06/21/95   JEFFERSON

0445 PM    SHIPPENSVILLE             PA    3/4 INCH HAIL
06/21/95   CLARION

0445 PM    NEAR MERCER               PA    4 HOUSES STRUCK BY LIGHTNING
06/21/95   MERCER

0505 PM    SEWICKELY                 PA    POWER LINES BLOWN DOWN
06/21/95   ALLEGHENY

0515 PM    PITTSBURGH                PA    3 PEOPLE STRUCK BY LIGHTNING
06/21/95   ALLEGHENY                       1 PERSON KILLED ON GOLF
                                           COURSE IN OAKLAND SECTION OF
                                           PITTSBURGH

0520 PM    MERCER                    PA    3/4 INCH HAIL
06/21/95   MERCER                            SEVERAL HOMES STRUCK LTG

0525 PM    NEW BETHLEHEM             PA    LARGE TREES DOWN
06/21/95   CLARION

0535 PM    PARKER                    PA    LARGE TREES DOWN
06/21/95   ARMSTRONG

0535 PM    FOXBURG                   PA    LARGE TREES DOWN
06/21/95   ARMSTRONG

0535 PM    EMLENTON                  PA    LARGE TREES DOWN
06/21/95   VENANGO

0545 PM    SLIPPERY ROCK             PA    LARGE TREES AND POWER LINES
06/21/95   BUTLER                          DOWN

0618 PM    SALEM                     OH    60 MPH WINDS
06/21/95   COLUMBIANA

0620 PM    BUTLER TOWNSHIP           OH    POWER LINES BLOWN DOWN
06/21/95   COLUMBIANA

0630 PM    LISBON                    OH    TORNADO TOUCHDOWN NEAR ROUTES
06/21/95   COLUMBIANA                      45 AND 517

0635 PM    HOMEWORTH                 OH    LARGE TREES DOWN N OF
06/21/95   COLUMBIANA                      HOMEWORTH

0640 PM    SALEM                     OH    LARGE TREE LIMBS DOWN
06/21/95   COLUMBIANA

0640 PM    BUTLER TOWNSHIP           OH    LARGE TREE LIMBS DOWN
06/21/95   COLUMBIANA

0640 PM    SALEM                     OH    1.00 INCH OF RAIN IN 45 MIN
06/21/95   COLUMBIANA

0645 PM    MINERVA                   OH    1 INCH HAIL
06/21/95   COLUMBIANA

0648 PM    UNITY TOWNSHIP            OH    1.75 INCH OF RAIN IN 1 HOUR
06/21/95   COLUMBIANA                      STREET FLOODING

0650 PM    NEW HARRISBURG            OH    FUNNEL CLOUD
06/21/95   CARROLL

0653 PM    SALEM                     OH    LARGE TREES DOWN
06/21/95   COLUMBIANA

0700 PM    EAST LIVERPOOL            OH    LARGE TREES DOWN
06/21/95   COLUMBIANA

0700 PM    SIGEL                     PA    LARGE TREES DOWN 3MI N
06/21/95   JEFFERSON                       OF SIGEL

0745 PM    CLEAR CREEK               PA    LARGE TREES DOWN
06/21/95   JEFFERSON                       NEAR CLEAR CREEK STATE PARK

END

PALKO

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 8:03 PM EDTFlash Flood WarningPBZArmstrong, Clarion117 min
Jun 21, 8:16 PM EDTSevere Thunderstorm WarningPBZButler44 min
Jun 21, 8:48 PM EDTSevere Thunderstorm WarningPBZAllegheny, Beaver, Butler, Westmoreland57 min
Jun 21, 8:48 PM EDTSevere Thunderstorm WarningPBZIndiana57 min
Jun 21, 9:08 PM EDTFlash Flood WarningPBZAllegheny, Beaver112 min
Jun 21, 9:43 PM EDTSevere Thunderstorm WarningPBZAllegheny, Beaver77 min
Jun 22, 5:54 PM EDTSevere Thunderstorm WarningPBZGreene21 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.