Alert archive / Pennsylvania / Special Weather Statements in 2016

Special Weather Statement, NWS Pittsburgh, PA

July 7, 2016Beaver County, Butler County, Pennsylvania

NWS Pittsburgh, PA issued this special weather statement at Jul 7, 2016, 6:01 PM EDT for Beaver County, Butler County, Pennsylvania. It was in force for 29 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 7, 2016, 6:01 PM EDT (22:01 UTC)
Expired
Jul 7, 2016, 6:30 PM EDT
In force
29 min
Issued by
NWS Pittsburgh, PA

Counties Beaver County, PA, Butler County, PA

The radar

The Pittsburgh radar (KPBZ), 27 km from the middle of the area, began a volume at 22:03 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 (KAGC), launched 12:00Z, 10.0 hours before the alert went out and 36 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 2016-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 99 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 12:00Z on 2016-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 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
99 J/kg
Mixed-layer CIN
-102 J/kg
Mixed-layer LCL
830 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
105 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Pittsburgh, PA wrote its last area forecast discussion before this special weather statement went out at Jul 7, 2:48 PM EDT, 3 hours 13 minutes earlier.

Area forecast discussion, Jul 7, 2:48 PM EDT, 3 hours 13 minutes before
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  <meta name="viewport" content="width=device-width, initial-scale=1">
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</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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Hazardous weather outlook, Jul 7, 1:13 PM EDT, 4 hours 48 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE PITTSBURGH PA
113 PM EDT THU JUL 7 2016

MDZ001-OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-020>023-
029-031-073>076-WVZ001>004-012-021-509>514-081715-
GARRETT-TUSCARAWAS-CARROLL-COLUMBIANA-COSHOCTON-HARRISON-JEFFERSON-
MUSKINGUM-GUERNSEY-BELMONT-NOBLE-MONROE-MERCER-VENANGO-FOREST-
LAWRENCE-BUTLER-CLARION-BEAVER-ALLEGHENY-ARMSTRONG-INDIANA-
WASHINGTON-GREENE-WESTMORELAND-WESTMORELAND RIDGES-FAYETTE-
FAYETTE RIDGES-HANCOCK-BROOKE-OHIO-MARSHALL-WETZEL-MARION-MONONGALIA-
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-PRESTON-
EASTERN PRESTON-WESTERN TUCKER-EASTERN TUCKER-
113 PM EDT THU JUL 7 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN MARYLAND...EAST
CENTRAL OHIO...NORTHWEST PENNSYLVANIA...SOUTHWEST
PENNSYLVANIA...WEST CENTRAL PENNSYLVANIA...WESTERN
PENNSYLVANIA...NORTHERN WEST VIRGINIA AND NORTHERN PANHANDLE OF
WEST VIRGINIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

THERE IS A SLIGHT RISK FOR STRONG TO SEVERE THUNDERSTORMS ON
FRIDAY AHEAD OF AND ALONG A COLD FRONT. THE PRIMARY THREAT IS
EXPECTED TO BE DAMAGING WIND.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS SHOULD MONITOR LATER FORECASTS AND BE PREPARED ON
FRIDAY TO REPORT SIGNIFICANT WEATHER CONDITIONS.

KRAMAR

In the hours before

Special weather statement, Jul 7, 4:32 PM EDT, 1 hour 29 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
432 PM EDT THU JUL 7 2016

PAZ007-008-014-015-072100-
VENANGO-MERCER-CLARION-BUTLER-
432 PM EDT THU JUL 7 2016

...A STRONG THUNDERSTORM WILL AFFECT EAST CENTRAL MERCER...
SOUTHWESTERN VENANGO...NORTHEASTERN BUTLER AND WEST CENTRAL CLARION
COUNTIES...

AT 432 PM EDT...A STRONG THUNDERSTORM WAS LOCATED 9 MILES NORTHEAST
OF GROVE CITY...MOVING EAST AT 25 MPH.

WINDS IN EXCESS OF 40 MPH AND PEA SIZE HAIL ARE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
PARKER...EMLENTON...BRUIN...CLINTONVILLE...ST. PETERSBURG...
EAU CLAIRE...KENNERDELL...BARKEYVILLE...FOXBURG AND CHERRY VALLEY.

THIS INCLUDES  INTERSTATE 80 IN PENNSYLVANIA BETWEEN MILE MARKERS 26
AND 51.

LAT...LON 4128 7954 4104 7963 4105 7967 4107 7966
      4109 7968 4116 7968 4117 7969 4104 7969
      4117 8006 4134 8000
TIME...MOT...LOC 2032Z 286DEG 22KT 4123 7994
Special weather statement, Jul 7, 5:22 PM EDT, 39 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
522 PM EDT THU JUL 7 2016

OHZ041-PAZ013-020-WVZ001-072145-
COLUMBIANA-LAWRENCE-BEAVER-HANCOCK-
522 PM EDT THU JUL 7 2016

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN COLUMBIANA...
NORTHERN BEAVER...SOUTHWESTERN LAWRENCE AND NORTHEASTERN HANCOCK
COUNTIES...

AT 522 PM EDT...A STRONG THUNDERSTORM WAS LOCATED OVER EAST
PALESTINE... MOVING SOUTHEAST AT 15 MPH.

WIND GUSTS UP TO 50 MPH AND DIME SIZE HAIL ARE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
EAST LIVERPOOL...BEAVER FALLS...COLUMBIANA...MONACA...
EAST PALESTINE...ECONOMY...NEW BRIGHTON...BEAVER...CALCUTTA...
ROCHESTER...OHIOVILLE...MIDLAND...INDUSTRY...NEW WATERFORD...
SHIPPINGPORT...PATTERSON TOWNSHIP...CONWAY...BIG BEAVER...
FREEDOM AND NEW BEAVER.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
  PENNSYLVANIA TURNPIKE BETWEEN MILE MARKERS 1 AND 13.

  INTERSTATE 376 IN PENNSYLVANIA BETWEEN MILE MARKERS 31 AND 41.

LAT...LON 4097 8045 4068 8020 4056 8051 4089 8066
      4090 8063 4090 8052 4094 8052
TIME...MOT...LOC 2122Z 333DEG 14KT 4087 8052
Special weather statement, Jul 7, 6:01 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
601 PM EDT THU JUL 7 2016

PAZ014-020>022-072230-
BUTLER-ALLEGHENY-ARMSTRONG-BEAVER-
601 PM EDT THU JUL 7 2016

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT WEST CENTRAL
ARMSTRONG...CENTRAL BEAVER...SOUTHERN BUTLER AND NORTHWESTERN
ALLEGHENY COUNTIES...

AT 600 PM EDT...RADAR INDICATED STRONG THUNDERSTORMS WERE LOCATED
ALONG A LINE EXTENDING FROM 7 MILES NORTHEAST OF BUTLER TO BEAVER
FALLS. MOVEMENT WAS SOUTHEAST AT 25 MPH.

WINDS IN EXCESS OF 40 MPH AND PEA SIZE HAIL ARE POSSIBLE WITH THESE
STORMS.

LOCATIONS IMPACTED INCLUDE...
MCCANDLESS TOWNSHIP...CRANBERRY...BUTLER...FRANKLIN PARK...
ALIQUIPPA...BEAVER FALLS...MONACA...KITTANNING...ECONOMY...
AMBRIDGE...WEXFORD...HOMEACRE-LYNDORA...NEW BRIGHTON...
SHANOR-NORTHVUE...BEAVER...BADEN...MERIDIAN...ZELIENOPLE...
ROCHESTER AND OHIOVILLE.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
  PENNSYLVANIA TURNPIKE BETWEEN MILE MARKERS 13 AND 35.

  INTERSTATE 79 IN PENNSYLVANIA BETWEEN MILE MARKERS 72 AND 92.

  INTERSTATE 376 IN PENNSYLVANIA BETWEEN MILE MARKERS 31 AND 49.

LAT...LON 4053 8027 4076 8051 4098 7975 4087 7936
TIME...MOT...LOC 2200Z 314DEG 37KT 4091 7977 4074 8035

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 7, 4:32 PM EDTSpecial Weather StatementPBZVenango28 min
Jul 7, 5:22 PM EDTSpecial Weather StatementPBZBeaver23 min
Jul 7, 6:48 PM EDTSpecial Weather StatementPBZArmstrong27 min
Jul 7, 7:29 PM EDTSevere Thunderstorm WarningPBZBeaver24 min
Jul 7, 7:06 PM EDTSpecial Weather StatementPBZHancock24 min
Jul 7, 7:56 PM EDTAreal Flood AdvisoryPBZHancock2 hr

Nearby

Special Weather Statements in Pennsylvania, 2016Every special weather statement in 2016

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.