Alert archive / West Virginia / Special Weather Statements in 2013

Special Weather Statement, NWS Pittsburgh, PA

July 17, 2013Hancock County, West Virginia

NWS Pittsburgh, PA issued this special weather statement at Jul 17, 2013, 1:21 PM EDT for Hancock County, West Virginia. It was in force for 39 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 17, 2013, 1:21 PM EDT (17:21 UTC)
Expired
Jul 17, 2013, 2:00 PM EDT
In force
39 min
Issued by
NWS Pittsburgh, PA

County Hancock County, WV

The radar

The Pittsburgh radar (KPBZ), 39 km from the middle of the area, began a volume at 17:22 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 12:00Z, 5.4 hours before the alert went out and 54 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 2013-07-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1934 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 2013-07-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 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
1934 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
701 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
9 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.

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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 17, 10:39 AM EDT, 2 hours 42 minutes earlier.

Area forecast discussion, Jul 17, 10:39 AM EDT, 2 hours 42 minutes before
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Hazardous weather outlook, Jul 17, 8:11 AM EDT, 5 hours 10 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PITTSBURGH PA
811 AM EDT WED JUL 17 2013

OHZ039>041-048>050-057>059-068-069-PAZ013-014-020>022-029-031-
WVZ001>004-012-181215-
TUSCARAWAS-CARROLL-COLUMBIANA-COSHOCTON-HARRISON-JEFFERSON OH-
MUSKINGUM-GUERNSEY-BELMONT-NOBLE-MONROE-LAWRENCE-BUTLER-BEAVER-
ALLEGHENY-ARMSTRONG-WASHINGTON-GREENE-HANCOCK-BROOKE-OHIO-MARSHALL-
WETZEL-
811 AM EDT WED JUL 17 2013

...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 6 PM EDT THIS
EVENING...

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

.DAY ONE...TODAY AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   HEAT ADVISORY.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

SEVERE THUNDERSTORMS ARE POSSIBLE SATURDAY. THE PRIMARY SEVERE
THREAT WILL BE DAMAGING WIND GUSTS.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

MDZ001-PAZ007>009-015-016-023-073>076-WVZ021>023-041-181215-
GARRETT-MERCER-VENANGO-FOREST-CLARION-JEFFERSON PA-INDIANA-
WESTMORELAND-WESTMORELAND RIDGES-FAYETTE-FAYETTE RIDGES-MARION-
MONONGALIA-PRESTON-TUCKER-
811 AM EDT WED JUL 17 2013

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

.DAY ONE...TODAY AND TONIGHT.

HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

SEVERE THUNDERSTORMS ARE POSSIBLE SATURDAY. THE PRIMARY SEVERE
THREAT WILL BE DAMAGING WIND GUSTS.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

In the hours before

Special weather statement, Jul 17, 8:15 AM EDT, 5 hours 6 minutes before
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Special weather statement, Jul 17, 12:43 PM EDT, 38 minutes before
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Special weather statement, Jul 17, 1:07 PM EDT, 14 minutes before
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Special weather statement, Jul 17, 1:10 PM EDT, 11 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
110 PM EDT WED JUL 17 2013

PAZ020-021-029-171745-
ALLEGHENY PA-BEAVER PA-WASHINGTON PA-
110 PM EDT WED JUL 17 2013

...A STRONG THUNDERSTORM WILL AFFECT NORTH CENTRAL WASHINGTON...SOUTH
CENTRAL BEAVER AND WEST CENTRAL ALLEGHENY COUNTIES...

AT 107 PM EDT...A STRONG THUNDERSTORM WAS LOCATED 4 MILES WEST OF
ECONOMY BORO...MOVING SOUTHEAST AT 10 MPH.

WIND GUSTS TO 50 MPH ARE POSSIBLE WITH THIS STORM. HEAVY RAIN WILL
POND WATER ON ROADS AND QUICKLY FILL DITCHES AND SMALL STREAMS.
INTENSE LIGHTNING CAN BE EXPECTED FROM THESE STORMS. MOVE INDOORS
WHEN A THUNDERSTORM APPROACHES. DO NOT SEEK SHELTER UNDER TREES.

  LOCATIONS IMPACTED INCLUDE...
  ALIQUIPPA...          ECONOMY BORO...       SEWICKLEY...
  OAKDALE...            MOON...               MCKEES ROCKS...
  MCDONALD...           IMPERIAL...

PLEASE REPORT SIGNIFICANT WEATHER BY CALLING...412-262-1988...POSTING
TO THE NWS PITTSBURGH FACEBOOK PAGE...OR USING TWITTER
@NWSPITTSBURGH.

LAT...LON 4048 8001 4034 8027 4059 8040 4066 8024

15
Special weather statement, Jul 17, 1:21 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
121 PM EDT WED JUL 17 2013

OHZ041-050-WVZ001-171800-
COLUMBIANA OH-HANCOCK WV-JEFFERSON OH-
121 PM EDT WED JUL 17 2013

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN JEFFERSON...
NORTHERN HANCOCK AND SOUTH CENTRAL COLUMBIANA COUNTIES...

AT 117 PM EDT...A STRONG THUNDERSTORM WAS LOCATED 4 MILES SOUTHEAST
OF LISBON...MOVING SOUTH AT 10 MPH.

WIND GUSTS OF 40 TO 50 MPH ARE POSSIBLE WITH THIS STORM. HEAVY RAIN
WILL POND WATER ON ROADS AND QUICKLY FILL DITCHES AND SMALL STREAMS.
INTENSE LIGHTNING CAN BE EXPECTED FROM THESE STORMS. MOVE INDOORS
WHEN A THUNDERSTORM APPROACHES. DO NOT SEEK SHELTER UNDER TREES.

  LOCATIONS IMPACTED INCLUDE...
  TOMLINSON RUN STATE PARK...                 NEWELL...
  NEW MANCHESTER...     NEW CUMBERLAND...     CHESTER...
  WELLSVILLE...         HAMMONDSVILLE...      EAST LIVERPOOL...

PLEASE REPORT SIGNIFICANT WEATHER BY CALLING...412-262-1988...POSTING
TO THE NWS PITTSBURGH FACEBOOK PAGE...OR USING TWITTER
@NWSPITTSBURGH.

LAT...LON 4076 8069 4057 8051 4051 8052 4045 8077
      4073 8081

15

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 17, 3:42 AM EDTHeat AdvisoryPBZAllegheny, Armstrong, Beaver, Butler, Greene, Lawrence and 1 more14 hr
Jul 17, 12:43 PM EDTSpecial Weather StatementPBZLawrence47 min
Jul 17, 1:07 PM EDTSpecial Weather StatementPBZVenango38 min
Jul 17, 1:10 PM EDTSpecial Weather StatementPBZAllegheny35 min
Jul 17, 1:32 PM EDTSpecial Weather StatementPBZButler43 min
Jul 17, 2:16 PM EDTSpecial Weather StatementPBZClarion, Forest44 min
Jul 17, 2:25 PM EDTSpecial Weather StatementPBZAllegheny35 min
Jul 17, 2:56 PM EDTSevere Thunderstorm WarningPBZArmstrong, Clarion, Indiana, Jefferson49 min
Jul 17, 2:57 PM EDTSevere Thunderstorm WarningPBZForest, Jefferson33 min
Jul 17, 3:54 PM EDTSevere Thunderstorm WarningPBZAllegheny, Westmoreland51 min
Jul 17, 4:11 PM EDTFlash Flood WarningPBZAllegheny, Washington, Westmoreland3 hr
Jul 17, 4:46 PM EDTSpecial Weather StatementPBZWestmoreland29 min
Jul 17, 4:53 PM EDTSevere Thunderstorm WarningPBZFayette, Westmoreland52 min
Jul 17, 2:42 PM EDTSpecial Weather StatementPBZJefferson48 min
Jul 17, 3:12 PM EDTSpecial Weather StatementPBZJefferson48 min
Jul 17, 5:36 PM EDTAreal Flood AdvisoryPBZMonroe3 hr
Jul 17, 4:41 PM EDTSpecial Weather StatementPBZWetzel49 min
Jul 17, 5:19 PM EDTSpecial Weather StatementPBZMarion, Monongalia41 min
Jul 17, 5:26 PM EDTSevere Thunderstorm WarningPBZMarion, Monongalia49 min

Nearby

Special Weather Statements in West Virginia, 2013Every special weather statement in 2013

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.