Alert archive / New Jersey / Wind Advisories in 2012

Wind Advisory 13, NWS Philadelphia/Mount Holly

December 20, 20124 states

NWS Philadelphia/Mount Holly issued this wind advisory at Dec 20, 2012, 9:11 PM EST for 4 states. It took effect at Dec 21, 2012, 2:00 AM EST. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Dec 20, 2012, 9:11 PM EST (02:11 UTC)
In effect from
Dec 21, 2012, 2:00 AM EST
Expired
Dec 21, 2012, 9:06 AM EST
In force
7 hr
Issued by
NWS Philadelphia/Mount Holly
All 24 counties

Kent County, DE, New Castle County, DE, Sussex County, DE, Caroline County, MD, Queen Anne's County, MD, Talbot County, MD, Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Cape May County, NJ, Cumberland County, NJ, Gloucester County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Morris County, NJ, Ocean County, NJ, Salem County, NJ, Somerset County, NJ, Sussex County, NJ, Bucks County, PA, Delaware County, PA, Montgomery County, PA, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 59 km from the middle of the area, began a volume at 02:15 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

Wallops Is Stn, VA (KWAL), launched 00:00Z, 2.2 hours before the alert went out and 208 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, Wallops Is Stn, VA at 00:00Z on 2012-12-21Temperature 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, Wallops Is Stn, VA at 00:00Z on 2012-12-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 273 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
1081 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
273 m²/s²
0-3 km storm-relative helicity
300 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.

556 
WWUS71 KPHI 210211
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
911 PM EST THU DEC 20 2012

DEZ001>004-MDZ015-019-020-NJZ001-008-010-012>014-016-020>027-
211400-
/O.NEW.KPHI.WI.Y.0013.121221T0700Z-121221T1400Z/
NEW CASTLE-KENT-INLAND SUSSEX-DELAWARE BEACHES-QUEEN ANNES-TALBOT-
CAROLINE-SUSSEX-MORRIS-SOMERSET-MIDDLESEX-WESTERN MONMOUTH-
EASTERN MONMOUTH-SALEM-OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY-
ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN-
SOUTHEASTERN BURLINGTON-
INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN...
REHOBOTH BEACH...CENTREVILLE...EASTON...DENTON...NEWTON...
MORRISTOWN...SOMERVILLE...NEW BRUNSWICK...FREEHOLD...SANDY HOOK...
PENNSVILLE...JACKSON...MILLVILLE...HAMMONTON...
CAPE MAY COURT HOUSE...OCEAN CITY...ATLANTIC CITY...
LONG BEACH ISLAND...WHARTON STATE FOREST
911 PM EST THU DEC 20 2012

...WIND ADVISORY IN EFFECT FROM 2 AM TO 9 AM EST FRIDAY...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 9 AM EST FRIDAY.

* WINDS...SOUTH 20 TO 30 MPH WITH GUSTS UP TO 50 MPH.

* TIMING...THE STRONGEST WINDS WILL OCCUR EARLY FRIDAY MORNING
  THROUGH THE MID-MORNING HOURS...3 AM TO 8 AM.

* IMPACTS...THE STRONG WIND GUSTS COULD BRING DOWN A FEW TREES AND
  TREE LIMBS ALONG WITH POWER LINES. DRIVING HIGH PROFILE VEHICLES
  COULD PROVE DIFFICULT ESPECIALLY ON OVERPASSES AND AREA BRIDGES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

HEAVENER
4 follow-up statements
522 
WWUS71 KPHI 211022
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
522 AM EST FRI DEC 21 2012

MDZ015-019-020-211130-
/O.CAN.KPHI.WI.Y.0013.000000T0000Z-121221T1400Z/
QUEEN ANNES-TALBOT-CAROLINE-
INCLUDING THE CITIES OF...CENTREVILLE...EASTON...DENTON
522 AM EST FRI DEC 21 2012

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE
WIND ADVISORY.

WINDS HAVE SHIFTED TO THE WEST AND WILL REMAIN GUSTY TODAY BUT NOT
AS STRONG AS OVERNIGHT.

$$

NJZ015-017>019-PAZ070-071-104-106-211400-
/O.EXA.KPHI.WI.Y.0013.000000T0000Z-121221T1400Z/
MERCER-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-DELAWARE-
PHILADELPHIA-EASTERN MONTGOMERY-LOWER BUCKS-
INCLUDING THE CITIES OF...TRENTON...GLASSBORO...CAMDEN...
CHERRY HILL...MOORESTOWN...MOUNT HOLLY...MEDIA...PHILADELPHIA...
NORRISTOWN...LANSDALE...MORRISVILLE...DOYLESTOWN
522 AM EST FRI DEC 21 2012

...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.

* WINDS...SOUTH 20 TO 30 MPH WITH GUSTS UP TO 45 MPH.

* TIMING...THE STRONGEST WINDS WILL OCCUR EARLY FRIDAY MORNING
  THROUGH THE MID-MORNING HOURS...5 AM TO 8 AM.

* IMPACTS...THE STRONG WIND GUSTS COULD BRING DOWN A FEW TREES 
  AND TREE LIMBS ALONG WITH POWER LINES. DRIVING HIGH PROFILE 
  VEHICLES COULD PROVE DIFFICULT ESPECIALLY ON OVERPASSES AND 
  AREA BRIDGES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

DEZ001>004-NJZ001-008-010-012>014-016-020>027-211400-
/O.CON.KPHI.WI.Y.0013.000000T0000Z-121221T1400Z/
NEW CASTLE-KENT-INLAND SUSSEX-DELAWARE BEACHES-SUSSEX-MORRIS-
SOMERSET-MIDDLESEX-WESTERN MONMOUTH-EASTERN MONMOUTH-SALEM-OCEAN-
CUMBERLAND-ATLANTIC-CAPE MAY-ATLANTIC COASTAL CAPE MAY-
COASTAL ATLANTIC-COASTAL OCEAN-SOUTHEASTERN BURLINGTON-
INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN...
REHOBOTH BEACH...NEWTON...MORRISTOWN...SOMERVILLE...
NEW BRUNSWICK...FREEHOLD...SANDY HOOK...PENNSVILLE...JACKSON...
MILLVILLE...HAMMONTON...CAPE MAY COURT HOUSE...OCEAN CITY...
ATLANTIC CITY...LONG BEACH ISLAND...WHARTON STATE FOREST
522 AM EST FRI DEC 21 2012

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

* WINDS...SOUTH 20 TO 30 MPH WITH GUSTS UP TO 50 MPH.

* TIMING...THE STRONGEST WINDS WILL OCCUR EARLY FRIDAY MORNING
  THROUGH THE MID-MORNING HOURS...5 AM TO 8 AM.

* IMPACTS...THE STRONG WIND GUSTS COULD BRING DOWN A FEW TREES 
  AND TREE LIMBS ALONG WITH POWER LINES. DRIVING HIGH PROFILE 
  VEHICLES COULD PROVE DIFFICULT ESPECIALLY ON OVERPASSES AND 
  AREA BRIDGES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
578 
WWUS71 KPHI 211150
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
650 AM EST FRI DEC 21 2012

DEZ001>004-NJZ016>018-021-023-024-PAZ070-071-104-106-211300-
/O.CAN.KPHI.WI.Y.0013.000000T0000Z-121221T1400Z/
NEW CASTLE-KENT-INLAND SUSSEX-DELAWARE BEACHES-SALEM-GLOUCESTER-
CAMDEN-CUMBERLAND-CAPE MAY-ATLANTIC COASTAL CAPE MAY-DELAWARE-
PHILADELPHIA-EASTERN MONTGOMERY-LOWER BUCKS-
INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN...
REHOBOTH BEACH...PENNSVILLE...GLASSBORO...CAMDEN...CHERRY HILL...
MILLVILLE...CAPE MAY COURT HOUSE...OCEAN CITY...MEDIA...
PHILADELPHIA...NORRISTOWN...LANSDALE...MORRISVILLE...DOYLESTOWN
650 AM EST FRI DEC 21 2012

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE
WIND ADVISORY.

GUSTY WEST WINDS WILL CONTINUE TODAY BUT WILL NOT BE AS STRONG AS
OVERNIGHT.

$$

NJZ001-008-010-012>015-019-020-022-025>027-211400-
/O.CON.KPHI.WI.Y.0013.000000T0000Z-121221T1400Z/
SUSSEX-MORRIS-SOMERSET-MIDDLESEX-WESTERN MONMOUTH-
EASTERN MONMOUTH-MERCER-NORTHWESTERN BURLINGTON-OCEAN-ATLANTIC-
COASTAL ATLANTIC-COASTAL OCEAN-SOUTHEASTERN BURLINGTON-
INCLUDING THE CITIES OF...NEWTON...MORRISTOWN...SOMERVILLE...
NEW BRUNSWICK...FREEHOLD...SANDY HOOK...TRENTON...MOORESTOWN...
MOUNT HOLLY...JACKSON...HAMMONTON...ATLANTIC CITY...
LONG BEACH ISLAND...WHARTON STATE FOREST
650 AM EST FRI DEC 21 2012

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

* WINDS...SOUTHEAST 20 TO 30 MPH WITH GUSTS UP TO 45 MPH.

* TIMING...THE STRONGEST WINDS WILL OCCUR EARLY FRIDAY MORNING
  THROUGH THE MID-MORNING HOURS...7 AM TO 9 AM.

* IMPACTS...THE STRONG WIND GUSTS COULD BRING DOWN A FEW TREES 
  AND TREE LIMBS ALONG WITH POWER LINES. DRIVING HIGH PROFILE 
  VEHICLES COULD PROVE DIFFICULT ESPECIALLY ON OVERPASSES AND 
  AREA BRIDGES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
987 
WWUS71 KPHI 211329
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
829 AM EST FRI DEC 21 2012

NJZ015-019-022-027-211430-
/O.CAN.KPHI.WI.Y.0013.000000T0000Z-121221T1400Z/
MERCER-NORTHWESTERN BURLINGTON-ATLANTIC-SOUTHEASTERN BURLINGTON-
INCLUDING THE CITIES OF...TRENTON...MOORESTOWN...MOUNT HOLLY...
HAMMONTON...WHARTON STATE FOREST
829 AM EST FRI DEC 21 2012

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE
WIND ADVISORY.

STRONG WEST TO NORTHWEST WINDS WILL CONTINUE TODAY, WITH GUSTS IN
THE 25 TO 35 MPH RANGE TODAY...WHICH IS LESS THAN WIND ADVISORY
LEVELS. THE WIND ADVISORY HAS THEREFORE BEEN CANCELLED.


$$

NJZ001-008-010-012>014-020-025-026-211430-
/O.CON.KPHI.WI.Y.0013.000000T0000Z-121221T1400Z/
SUSSEX-MORRIS-SOMERSET-MIDDLESEX-WESTERN MONMOUTH-
EASTERN MONMOUTH-OCEAN-COASTAL ATLANTIC-COASTAL OCEAN-
INCLUDING THE CITIES OF...NEWTON...MORRISTOWN...SOMERVILLE...
NEW BRUNSWICK...FREEHOLD...SANDY HOOK...JACKSON...ATLANTIC CITY...
LONG BEACH ISLAND
829 AM EST FRI DEC 21 2012

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

* WINDS...SOUTHEAST 15 TO 25 MPH WITH GUSTS UP TO 45 MPH.

* TIMING...THE STRONGEST WINDS WILL OCCUR BETWEEN NOW AND 9 AM
  ASSOCIATED WITH A COLD FRONT MOVING THROUGH THE AREA. 

* IMPACTS...THE STRONG WIND GUSTS COULD BRING DOWN A FEW TREES 
  AND TREE LIMBS ALONG WITH POWER LINES. DRIVING HIGH PROFILE 
  VEHICLES COULD PROVE DIFFICULT ESPECIALLY ON OVERPASSES AND 
  AREA BRIDGES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
868 
WWUS71 KPHI 211406
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
906 AM EST FRI DEC 21 2012

NJZ001-008-010-012>014-020-026-211515-
/O.CAN.KPHI.WI.Y.0013.000000T0000Z-121221T1400Z/
SUSSEX-MORRIS-SOMERSET-MIDDLESEX-WESTERN MONMOUTH-
EASTERN MONMOUTH-OCEAN-COASTAL OCEAN-
INCLUDING THE CITIES OF...NEWTON...MORRISTOWN...SOMERVILLE...
NEW BRUNSWICK...FREEHOLD...SANDY HOOK...JACKSON...
LONG BEACH ISLAND
906 AM EST FRI DEC 21 2012

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE
WIND ADVISORY.

THE STRONGEST WINDS HAVE MOVED OUT OF THE AREA. WEST TO NORTHWEST
WINDS WILL CONTINUE TODAY...GUSTING 20 TO 30 MPH AT TIMES...WHICH
IS BELOW ADVISORY LEVELS.


$$

NJZ025-211515-
/O.EXP.KPHI.WI.Y.0013.000000T0000Z-121221T1400Z/
COASTAL ATLANTIC-
INCLUDING THE CITY OF...ATLANTIC CITY
906 AM EST FRI DEC 21 2012

...WIND ADVISORY WILL EXPIRE AT 9 AM EST THIS MORNING...


THE STRONGEST WINDS HAVE MOVED OUT OF THE AREA. WEST TO NORTHWEST
WINDS WILL CONTINUE TODAY...GUSTING 25 TO 35 MPH AT TIMES...WHICH
IS BELOW ADVISORY LEVELS.


$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 20, 9:00 PM ESTWinter Weather AdvisoryPHICarbon, Monroe2 hr
Dec 21, 12:27 AM ESTCoastal Flood WarningPHIDelaware, Philadelphia11 hr
Dec 21, 4:44 AM ESTAreal Flood WarningPHIChester, Montgomery14 hr
Dec 21, 5:17 AM ESTAreal Flood WarningPHIDelaware4 hr
Dec 21, 5:39 AM ESTAreal Flood WarningPHIBucks10 hr
Dec 21, 7:15 AM ESTRiver Flood WarningPHIDelaware4 hr
Dec 21, 7:36 AM ESTAreal Flood WarningPHIMonroe, Northampton15 hr
Dec 21, 7:49 AM ESTAreal Flood WarningPHIPhiladelphia11 hr
Dec 21, 9:24 AM ESTAreal Flood WarningPHIDelaware4 hr
Dec 21, 9:36 AM ESTRiver Flood WarningPHIBucks10 hr
Dec 21, 12:08 PM ESTRiver Flood WarningPHIChester, Delaware5 hr
Dec 21, 3:16 PM ESTWind AdvisoryPHIBerks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more27 hr
Dec 21, 6:17 AM ESTAreal Flood WarningPHIMorris15 hr
Dec 21, 1:12 PM ESTAreal Flood WarningPHISomerset8 hr
Dec 21, 5:45 PM ESTRiver Flood WarningPHIMorris, Passaic35 hr
Dec 21, 5:33 AM ESTAreal Flood WarningPHINew Castle4 hr
Dec 21, 7:10 AM ESTRiver Flood WarningPHINew Castle5 hr
Dec 21, 7:56 AM ESTRiver Flood WarningPHINew Castle4 hr
Dec 21, 8:49 AM ESTRiver Flood WarningPHINew Castle3 hr

Nearby

Wind Advisories in New Jersey, 2012Wind Advisories in Pennsylvania, 2012Wind Advisories in Delaware, 2012Every wind advisory in 2012

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.