Alert archive / Pennsylvania / Wind Advisories in 2011

Wind Advisory 12, NWS Philadelphia/Mount Holly

December 16, 20114 counties in Pennsylvania; Sussex County, Warren County, New Jersey

NWS Philadelphia/Mount Holly issued this wind advisory at Dec 16, 2011, 5:20 AM EST for 4 counties in Pennsylvania; Sussex County, Warren County, New Jersey. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Dec 16, 2011, 5:20 AM EST (10:20 UTC)
Expired
Dec 16, 2011, 8:37 AM EST
In force
3 hr
Issued by
NWS Philadelphia/Mount Holly

Counties Sussex County, NJ, Warren County, NJ, Carbon County, PA, Lehigh County, PA, Monroe County, PA, Northampton County, PA

The radar

The Philadelphia radar (KDIX), 128 km from the middle of the area, began a volume at 10:17 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

Brookhaven, NY (KOKX), launched 00:00Z, 10.3 hours before the alert went out and 202 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, Brookhaven, NY at 00:00Z on 2011-12-16Temperature 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, Brookhaven, NY at 00:00Z on 2011-12-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 357 square meters per square second.1939587897Sfc1 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
709 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
357 m²/s²
0-3 km storm-relative helicity
403 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.

710 
WWUS71 KPHI 161020
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
520 AM EST FRI DEC 16 2011

NJZ001-007-PAZ054-055-061-062-161400-
/O.NEW.KPHI.WI.Y.0012.111216T1020Z-111216T1400Z/
SUSSEX-WARREN-CARBON-MONROE-LEHIGH-NORTHAMPTON-
INCLUDING THE CITIES OF...NEWTON...WASHINGTON...JIM THORPE...
STROUDSBURG...ALLENTOWN...BETHLEHEM...EASTON
520 AM EST FRI DEC 16 2011

...WIND ADVISORY IN EFFECT UNTIL 9 AM EST THIS MORNING...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 9 AM EST THIS MORNING. 

* LOCATIONS...PORTIONS OF THE LEHIGH VALLEY IN SOUTHERN POCONOS IN
  PENNSYLVANIA AND A PORTION OF NORTHWEST NEW JERSEY.

* HAZARDS...STRONG WIND GUSTS.

* WINDS...WEST 20 TO 25 MPH WITH GUSTS UP TO 50 MPH.

* TIMING...STRONG WIND GUSTS CAN BE EXPECTED THROUGH MID MORNING.
  THE HIGHEST WIND GUSTS WILL OCCUR IN THE HIGHER TERRAIN.

* IMPACTS...DOWNED TREE BRANCHES MAY CAUSE POWER OUTAGES. HIGH
  PROFILE VEHICLES WILL BE STRONGLY AFFECTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOTORISTS SHOULD USE EXTRA CAUTION...ESPECIALLY THOSE IN HIGH
PROFILE VEHICLES. LIGHT-WEIGHT OUTDOOR OBJECTS SUCH AS PATIO
FURNITURE AND GARBAGE CANS SHOULD BE SECURED.

&&

$$

HAYES
1 follow-up statement
713 
WWUS71 KPHI 161337
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
837 AM EST FRI DEC 16 2011


NJZ001-007-PAZ054-055-061-062-161445-
/O.CAN.KPHI.WI.Y.0012.000000T0000Z-111216T1400Z/
SUSSEX-WARREN-CARBON-MONROE-LEHIGH-NORTHAMPTON-
INCLUDING THE CITIES OF...NEWTON...WASHINGTON...JIM THORPE...
STROUDSBURG...ALLENTOWN...BETHLEHEM...EASTON
837 AM EST FRI DEC 16 2011

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE
WIND ADVISORY FOR NORTHEAST PENNSYLVANIA AND EXTREME NORTHWEST NEW 
JERSEY.

STRONGEST SCATTERED GUSTS TO NEAR 50 MPH HAVE ALREADY OCCURRED. 
NORTHWEST WINDS WILL CONTINUE TO DIMINISH TODAY. 

$$

DRAG

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 16, 1:17 PM ESTSmall Craft AdvisoryPHI5 hr

Nearby

Wind Advisories in Pennsylvania, 2011Wind Advisories in New Jersey, 2011Every wind advisory in 2011

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.