Alert archive / Pennsylvania / Special Weather Statements in 2009

Special Weather Statement, NWS State College, PA

June 26, 2009Tioga County, Pennsylvania

NWS State College, PA issued this special weather statement at Jun 26, 2009, 1:21 PM EDT for Tioga County, Pennsylvania. It was in force for 24 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
Jun 26, 2009, 1:21 PM EDT (17:21 UTC)
Expired
Jun 26, 2009, 1:45 PM EDT
In force
24 min
Issued by
NWS State College, PA

County Tioga County, PA

The radar

The Binghamton radar (KBGM), 89 km from the middle of the area, began a volume at 17:24 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

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 5.4 hours before the alert went out and 177 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, Buffalo Intl Airport, NY at 12:00Z on 2009-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 974 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, Buffalo Intl Airport, NY at 12:00Z on 2009-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 79 square meters per square second.19395878Sfc1 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
974 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
717 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
79 m²/s²
0-3 km storm-relative helicity
96 m²/s²
Significant tornado parameter
0.3
Supercell composite
1.4

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 State College, PA wrote its last area forecast discussion before this special weather statement went out at Jun 26, 1:18 PM EDT, 3 minutes earlier.

Area forecast discussion, Jun 26, 1:18 PM EDT, 3 minutes before
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<body>
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    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
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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, Jun 26, 5:13 AM EDT, 8 hours 8 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE STATE COLLEGE PA
513 AM EDT FRI JUN 26 2009

PAZ004-270915-
WARREN-
513 AM EDT FRI JUN 26 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA.

.DAY ONE...TODAY AND TONIGHT.

A COLD FRONT WILL PUSH SOUTHEAST ACROSS THE REGION EARLY THIS
AFTERNOON...TRIGGERING SCATTERED STRONG THUNDERSTORMS.

BRIEF WIND GUSTS OF 35 TO 45 MPH...AND HAIL UP TO ONE HALF OF AN
INCH IN DIAMETER ARE POSSIBLE.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

THE PROBABILITY OF WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

PAZ005-006-010>012-017>019-024>028-033>037-041-042-045-046-049>053-
056>059-063>066-270915-
MCKEAN-POTTER-ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD-
NORTHERN CENTRE-SOUTHERN CENTRE-CAMBRIA-BLAIR-HUNTINGDON-MIFFLIN-
JUNIATA-SOMERSET-BEDFORD-FULTON-FRANKLIN-TIOGA-NORTHERN LYCOMING-
SULLIVAN-SOUTHERN CLINTON-SOUTHERN LYCOMING-UNION-SNYDER-MONTOUR-
NORTHUMBERLAND-COLUMBIA-PERRY-DAUPHIN-SCHUYLKILL-LEBANON-CUMBERLAND-
ADAMS-YORK-LANCASTER-
513 AM EDT FRI JUN 26 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA.

.DAY ONE...TODAY AND TONIGHT.

...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND
EARLY THIS EVENING...

A COLD FRONT WILL PUSH SOUTHEAST ACROSS THE REGION THIS
AFTERNOON...TRIGGERING SCATTERED STRONG TO SEVERE THUNDERSTORMS.
THE MAIN SEVERE WEATHER THREAT FROM THESE STORMS WILL BE IN THE
FORM OF STRONG AND POSSIBLY DAMAGING...DOWN BURST WIND GUSTS AND
LARGE HAIL UP TO ONE INCH IN DIAMETER.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

THE PROBABILITY OF WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON INTO EARLY THIS
EVENING.

LAMBERT

In the hours before

Special weather statement, Jun 26, 12:54 PM EDT, 27 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1254 PM EDT FRI JUN 26 2009

PAZ006-037-261730-
POTTER PA-TIOGA PA-
1254 PM EDT FRI JUN 26 2009

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN POTTER AND
NORTHERN TIOGA COUNTIES...

AT 1253 PM EDT...A STRONG THUNDERSTORM WAS LOCATED NEAR ULYSSES...
MOVING EAST AT 30 MPH.

WIND GUSTS TO 40 MPH AND PEA-SIZED HAIL ARE POSSIBLE WITH THIS STORM.
VERY HEAVY RAIN WILL FALL FROM THIS STORM...AND WILL CAUSE WATER TO
POND ON ROADS AND QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS.

THIS STORM WILL BE NEAR WESTFIELD AROUND 105 PM...GAINES AROUND 110
PM...KNOXVILLE AROUND 115 PM AND KEENEYVILLE AROUND 130 PM.

THIS WILL IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 6...ROUTE 15.

LAT...LON 4167 7713 4177 7779 4200 7763 4201 7730
      4200 7711

EXPERIMENTAL

FORECASTER: DANGELO
Special weather statement, Jun 26, 1:21 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
121 PM EDT FRI JUN 26 2009

PAZ037-261745-
TIOGA PA-
121 PM EDT FRI JUN 26 2009

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN TIOGA COUNTY...

AT 120 PM EDT...A STRONG THUNDERSTORM WAS LOCATED 11 MILES NORTH OF
MANSFIELD...MOVING EAST AT 25 MPH.

WIND GUSTS TO 30 MPH AND SMALL HAIL ARE POSSIBLE WITH THIS STORM.
VERY HEAVY RAIN WILL FALL FROM THIS STORM...AND WILL CAUSE WATER TO
POND ON ROADS AND QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS.

THIS STORM WILL BE NEAR MILLERTON AROUND 135 PM AND ROSEVILLE AROUND
140 PM.

THIS WILL IMPACT ROUTE 15.

LAT...LON 4199 7692 4183 7690 4182 7691 4196 7728
      4201 7722 4201 7694

EXPERIMENTAL

FORECASTER: DANGELO

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 9:45 PM EDTSpecial Weather StatementCTPCambria30 min
Jun 25, 10:18 PM EDTSevere Thunderstorm WarningCTPClearfield57 min
Jun 25, 10:34 PM EDTSpecial Weather StatementCTPElk41 min
Jun 25, 11:14 PM EDTSpecial Weather StatementCTPClearfield31 min
Jun 25, 11:42 PM EDTSpecial Weather StatementCTPClearfield78 min
Jun 26, 12:10 AM EDTSpecial Weather StatementCTPBlair, Cambria65 min
Jun 26, 12:40 AM EDTSpecial Weather StatementCTPBlair, Huntingdon50 min
Jun 26, 12:54 PM EDTSpecial Weather StatementCTPTioga36 min
Jun 26, 1:19 PM EDTAreal Flood AdvisoryCTPTioga116 min
Jun 26, 1:29 PM EDTSpecial Weather StatementCTPTioga31 min
Jun 26, 1:43 PM EDTSevere Thunderstorm WarningCTPTioga62 min
Jun 26, 1:51 PM EDTSpecial Weather StatementCTPTioga39 min
Jun 26, 2:17 PM EDTSpecial Weather StatementCTPPotter43 min
Jun 26, 2:27 PM EDTSevere Thunderstorm WarningCTPPotter48 min
Jun 26, 2:40 PM EDTSevere Thunderstorm WarningCTPSullivan65 min
Jun 26, 2:59 PM EDTSpecial Weather StatementCTPTioga46 min
Jun 26, 3:11 PM EDTSpecial Weather StatementCTPFranklin34 min
Jun 26, 3:16 PM EDTAreal Flood AdvisoryCTPTioga3 hr
Jun 26, 3:40 PM EDTSpecial Weather StatementCTPSullivan35 min
Jun 26, 3:55 PM EDTSpecial Weather StatementCTPSullivan35 min
Jun 26, 4:03 PM EDTSpecial Weather StatementCTPCumberland27 min
Jun 26, 4:06 PM EDTSpecial Weather StatementCTPAdams24 min
Jun 26, 4:15 PM EDTSevere Thunderstorm WarningCTPCumberland, Lancaster, York60 min
Jun 26, 4:18 PM EDTSpecial Weather StatementCTPCameron57 min
Jun 26, 4:19 PM EDTSpecial Weather StatementCTPFranklin26 min
Jun 26, 4:33 PM EDTSpecial Weather StatementCTPColumbia, Lycoming27 min
Jun 26, 4:58 PM EDTSpecial Weather StatementCTPColumbia32 min
Jun 26, 5:07 PM EDTSpecial Weather StatementCTPMontour23 min
Jun 26, 5:15 PM EDTSpecial Weather StatementCTPYork45 min
Jun 26, 5:29 PM EDTSpecial Weather StatementCTPMifflin31 min
Jun 26, 5:34 PM EDTSpecial Weather StatementCTPUnion26 min
Jun 26, 5:38 PM EDTSpecial Weather StatementCTPYork37 min
Jun 26, 5:43 PM EDTSevere Thunderstorm WarningCTPYork62 min
Jun 26, 6:01 PM EDTSpecial Weather StatementCTPNorthumberland, Union44 min
Jun 26, 6:19 PM EDTSpecial Weather StatementCTPJuniata, Mifflin, Perry, Snyder26 min
Jun 26, 6:24 PM EDTSpecial Weather StatementCTPSchuylkill36 min
Jun 26, 6:42 PM EDTSevere Thunderstorm WarningCTPCumberland, Dauphin, Juniata, Perry51 min
Jun 26, 6:48 PM EDTSpecial Weather StatementCTPBedford27 min
Jun 26, 6:57 PM EDTSpecial Weather StatementCTPLebanon33 min
Jun 26, 7:02 PM EDTSpecial Weather StatementCTPFranklin43 min
Jun 26, 7:45 PM EDTSpecial Weather StatementCTPBerks30 min

Nearby

Special Weather Statements in Pennsylvania, 2009Every special weather statement in 2009

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.