Alert archive / Pennsylvania / Special Weather Statements in 2016

Special Weather Statement, NWS Pittsburgh, PA

July 7, 2016Venango County, Pennsylvania

NWS Pittsburgh, PA issued this special weather statement at Jul 7, 2016, 4:32 PM EDT for Venango County, Pennsylvania. It was in force for 28 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, 4:32 PM EDT (20:32 UTC)
Expired: Jul 7, 2016, 5:00 PM EDT
In force: 28 min
Issued by: NWS Pittsburgh, PA

County Venango County, PA

The radar

The Pittsburgh radar (KPBZ), 81 km from the middle of the area, began a volume at 20:34 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, 8.5 hours before the alert went out and 89 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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, 1 hour 44 minutes earlier.

Area forecast discussion, Jul 7, 2:48 PM EDT, 1 hour 44 minutes before

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</head>
<body>
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    <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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Hazardous weather outlook, Jul 7, 1:13 PM EDT, 3 hours 19 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, 0 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

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 7, 5:22 PM EDT	Special Weather Statement	PBZ	Beaver	23 min
Jul 7, 6:01 PM EDT	Special Weather Statement	PBZ	Beaver, Butler	29 min
Jul 7, 6:48 PM EDT	Special Weather Statement	PBZ	Armstrong	27 min
Jul 7, 7:29 PM EDT	Severe Thunderstorm Warning	PBZ	Beaver	24 min
Jul 7, 7:06 PM EDT	Special Weather Statement	PBZ	Hancock	24 min
Jul 7, 7:56 PM EDT	Areal Flood Advisory	PBZ	Hancock	2 hr

Nearby

Special Weather Statements in Pennsylvania, 2016 Every 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.