Alert archive / Pennsylvania / Wind Advisories in 2014

Wind Advisory 4, NWS State College, PA

December 24, 201410 counties in Pennsylvania

NWS State College, PA issued this wind advisory at Dec 24, 2014, 3:57 AM EST for 10 counties in Pennsylvania. It took effect at Dec 24, 2014, 8:00 PM EST. It was in force for 16 hr.

The area

The counties it named.

The facts

Issued
Dec 24, 2014, 3:57 AM EST (08:57 UTC)
In effect from
Dec 24, 2014, 8:00 PM EST
Expired
Dec 25, 2014, 12:00 PM EST
In force
16 hr
Issued by
NWS State College, PA

Counties Cambria County, PA, Cameron County, PA, Centre County, PA, Clearfield County, PA, Clinton County, PA, Elk County, PA, McKean County, PA, Potter County, PA, Somerset County, PA, Warren County, PA

The radar

The State College radar (KCCX), 46 km from the middle of the area, began a volume at 09:00 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 00:00Z, 9.0 hours before the alert went out and 165 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 2014-12-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 00:00Z on 2014-12-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 171 square meters per square second.1939587897117136156Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
831 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
171 m²/s²
0-3 km storm-relative helicity
285 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.

963 
WWUS71 KCTP 240857
NPWCTP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
357 AM EST WED DEC 24 2014

...STRONG WESTERLY WIND GUSTS EXPECTED THIS EVENING THROUGH
THURSDAY MORNING...

.A STRONG COLD FRONT WILL PUSH EAST ACROSS THE ALLEGHENY PLATEAU
OF WESTERN PENNSYLVANIA LATE THIS EVENING...POSSIBLY PRECEDED AND
ACCOMPANIED BY A FEW NARROW LINES OF HEAVY SHOWERS OR THUNDERSTORMS.
A STRONG DIFFERENCE IN PRESSURE BEHIND THE FRONT WILL CREATE
FREQUENT WESTERLY WIND GUSTS BETWEEN 40 AND 50 MPH LATE TONIGHT
AND CHRISTMAS MORNING.

PAZ004>006-010>012-017-018-024-033-242200-
/O.NEW.KCTP.WI.Y.0004.141225T0100Z-141225T1700Z/
WARREN-MCKEAN-POTTER-ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD-
NORTHERN CENTRE-CAMBRIA-SOMERSET-
INCLUDING THE CITIES OF...WARREN...BRADFORD...COUDERSPORT...
ST. MARYS...RIDGWAY...EMPORIUM...RENOVO...DUBOIS...CLEARFIELD...
PHILIPSBURG...JOHNSTOWN...SOMERSET
357 AM EST WED DEC 24 2014

...WIND ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO NOON EST
THURSDAY...

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 8 PM THIS EVENING TO NOON EST
THURSDAY.

* WINDS...SOUTHWEST 15 TO 25 MPH WITH OCCASIONAL GUSTS BETWEEN 40
  AND 50 MPH.

* TIMING...A COLD FRONT WILL PUSH EAST ACROSS THE REGION THIS
  EVENING POSSIBLY PRECEDED AND ACCOMPANIED BY A FEW NARROW LINES
  OF HEAVY SHOWERS OR THUNDERSTORMS. A STRONG DIFFERENCE IN
  PRESSURE BEHIND THE FRONT WILL CREATE WESTERLY WIND GUSTS
  BETWEEN 40 AND 50 MPH LATE TONIGHT AND CHRISTMAS MORNING.

* IMPACTS...DOWNED TREE LIMBS AND THE POTENTIAL FOR ISOLATED POWER
  OUTAGES. DIFFICULT DRIVING CONDITIONS...ESPECIALLY FOR THOSE IN
  HIGH PROFILE VEHICLES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 31 TO 39 MPH OR
GUSTS OF 46 AND 57 MPH ARE EXPECTED.

MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE CAUTION AND
CONSIDER AVOIDING AREAS EXPOSED TO STRONG CROSS-WINDS. SECURE
LOOSE OUTDOOR OBJECTS THAT MAY BE BLOWN AWAY IF NOT STORED OR
TIED DOWN.

FOR THE LATEST WEATHER INFORMATION...GO TO
WEATHER.GOV/STATECOLLEGE OR MONITOR NOAA WEATHER RADIO.

&&

$$

LAMBERT/RADZANOWSKI
3 follow-up statements
649 
WWUS71 KCTP 241859
NPWCTP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
159 PM EST WED DEC 24 2014

.A STRONG COLD FRONT WILL PUSH EAST ACROSS THE REGION LATER THIS
EVENING. THE WIND WILL SHIFT TO THE WEST AND BECOME STRONG AND
GUSTY...ESPECIALLY OVER THE RIDGES.

PAZ004>006-010>012-017-018-024-033-251200-
/O.CON.KCTP.WI.Y.0004.141225T0100Z-141225T1700Z/
WARREN-MCKEAN-POTTER-ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD-
NORTHERN CENTRE-CAMBRIA-SOMERSET-
INCLUDING THE CITIES OF...WARREN...BRADFORD...COUDERSPORT...
ST. MARYS...RIDGWAY...EMPORIUM...RENOVO...DUBOIS...CLEARFIELD...
PHILIPSBURG...JOHNSTOWN...SOMERSET
159 PM EST WED DEC 24 2014

...WIND ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO NOON
EST THURSDAY...

* WINDS...WEST 15 TO 25 MPH WITH GUSTS UP TO 50 MPH...ESPECIALLY
  OVER THE RIDGES

* TIMING...A STRONG COLD FRONT WILL PUSH EAST ACROSS THE REGION
  BETWEEN ABOUT 9 PM AND MIDNIGHT. THE WIND WILL SHIFT TO THE
  WEST AND BECOME STRONG AND GUSTY...ESPECIALLY OVER THE RIDGES.

* IMPACTS...DOWNED TREE LIMBS AND THE POTENTIAL FOR ISOLATED 
  POWER OUTAGES. DIFFICULT DRIVING CONDITIONS...ESPECIALLY FOR 
  THOSE IN HIGH PROFILE VEHICLES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 31 TO 39 MPH OR
GUSTS OF 46 TO 57 MPH ARE EXPECTED.

MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE CAUTION AND
CONSIDER AVOIDING AREAS EXPOSED TO STRONG CROSS-WINDS. SECURE
LOOSE OUTDOOR OBJECTS THAT MAY BE BLOWN AWAY IF NOT STORED OR
TIED DOWN.

FOR THE LATEST WEATHER INFORMATION...GO TO
WEATHER.GOV/STATECOLLEGE OR MONITOR NOAA WEATHER RADIO.

&&

$$

LA CORTE
081 
WWUS71 KCTP 250142
NPWCTP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
842 PM EST WED DEC 24 2014

.A STRONG COLD FRONT WILL PUSH EAST ACROSS THE REGION LATE THIS
EVENING. THE WIND WILL SHIFT TO THE WEST AND BECOME STRONG AND
GUSTY...ESPECIALLY OVER THE RIDGES.

PAZ004>006-010>012-017-018-024-033-251200-
/O.CON.KCTP.WI.Y.0004.000000T0000Z-141225T1700Z/
WARREN-MCKEAN-POTTER-ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD-
NORTHERN CENTRE-CAMBRIA-SOMERSET-
INCLUDING THE CITIES OF...WARREN...BRADFORD...COUDERSPORT...
ST. MARYS...RIDGWAY...EMPORIUM...RENOVO...DUBOIS...CLEARFIELD...
PHILIPSBURG...JOHNSTOWN...SOMERSET
842 PM EST WED DEC 24 2014

...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON EST THURSDAY...

* WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS BETWEEN 45 AND 50 MPH.

* TIMING...A STRONG COLD FRONT WILL PUSH EAST ACROSS THE REGION 
  BETWEEN ABOUT 9 PM AND MIDNIGHT. THE WIND WILL SHIFT TO THE 
  WEST AND BECOME STRONG AND GUSTY...ESPECIALLY OVER THE RIDGES.

* IMPACTS...DOWNED TREE LIMBS AND THE POTENTIAL FOR ISOLATED 
  POWER OUTAGES. DIFFICULT DRIVING CONDITIONS...ESPECIALLY FOR 
  THOSE IN HIGH PROFILE VEHICLES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 31 TO 39 MPH OR
GUSTS OF 46 TO 57 MPH ARE EXPECTED.

MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE CAUTION AND
CONSIDER AVOIDING AREAS EXPOSED TO STRONG CROSS-WINDS. SECURE
LOOSE OUTDOOR OBJECTS THAT MAY BE BLOWN AWAY IF NOT STORED OR
TIED DOWN.

FOR THE LATEST WEATHER INFORMATION...GO TO
WEATHER.GOV/STATECOLLEGE OR MONITOR NOAA WEATHER RADIO.

&&

$$
590 
WWUS71 KCTP 250931
NPWCTP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
431 AM EST THU DEC 25 2014

.A STRONG COLD FRONT HAS PUSHED WELL TO THE EAST OF THE REGION
THIS MORNING. WESTERLY WIND IN ITS WAKE WILL GUST BETWEEN 40 AND
50 MPH ACROSS THE ALLEGHENY MOUNTAINS OF WESTERN PENNSYLVANIA
THROUGH LATE THIS MORNING. WINDS WILL GRADUALLY SUBSIDE LATER
THIS CHRISTMAS DAY.

PAZ004>006-010>012-017-018-024-033-251700-
/O.CON.KCTP.WI.Y.0004.000000T0000Z-141225T1700Z/
WARREN-MCKEAN-POTTER-ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD-
NORTHERN CENTRE-CAMBRIA-SOMERSET-
INCLUDING THE CITIES OF...WARREN...BRADFORD...COUDERSPORT...
ST. MARYS...RIDGWAY...EMPORIUM...RENOVO...DUBOIS...CLEARFIELD...
PHILIPSBURG...JOHNSTOWN...SOMERSET
431 AM EST THU DEC 25 2014

...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON EST TODAY...

* WINDS...WEST 15 TO 25 MPH WITH OCCASIONAL GUSTS BETWEEN 40 AND
  50 MPH.

* IMPACTS...DOWNED TREE LIMBS AND THE POTENTIAL FOR ISOLATED 
  POWER OUTAGES. DIFFICULT DRIVING CONDITIONS...ESPECIALLY FOR 
  THOSE IN HIGH PROFILE VEHICLES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 31 TO 39 MPH OR
GUSTS OF 46 TO 57 MPH ARE EXPECTED.

MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE CAUTION AND
CONSIDER AVOIDING AREAS EXPOSED TO STRONG CROSS-WINDS. SECURE
LOOSE OUTDOOR OBJECTS THAT MAY BE BLOWN AWAY IF NOT STORED OR
TIED DOWN.

FOR THE LATEST WEATHER INFORMATION...GO TO
WEATHER.GOV/STATECOLLEGE OR MONITOR NOAA WEATHER RADIO.

&&

$$

LAMBERT/ROSS

Nearby

Wind Advisories in Pennsylvania, 2014Every wind advisory in 2014

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.