Alert archive / New Jersey / Wind Advisories in 2009

Wind Advisory 13, NWS Philadelphia/Mount Holly

December 9, 20094 states

NWS Philadelphia/Mount Holly issued this wind advisory at Dec 9, 2009, 12:00 PM EST for 4 states. It took effect at Dec 9, 2009, 6:00 PM EST. It was in force for 27 hr.

The area

The counties it named.

The facts

Issued
Dec 9, 2009, 12:00 PM EST (17:00 UTC)
In effect from
Dec 9, 2009, 6:00 PM EST
Expired
Dec 10, 2009, 8:52 PM EST
In force
27 hr
Issued by
NWS Philadelphia/Mount Holly
All 31 counties

Kent County, DE, New Castle County, DE, Sussex County, DE, Caroline County, MD, Cecil County, MD, Kent 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, Hunterdon 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, Warren County, NJ, Berks County, PA, Carbon County, PA, Delaware County, PA, Lehigh County, PA, Monroe County, PA, Northampton County, PA, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 67 km from the middle of the area, began a volume at 17:02 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

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 5.0 hours before the alert went out and 94 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, Phillips Aaf/Abe, MD at 12:00Z on 2009-12-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Phillips Aaf/Abe, MD at 12:00Z on 2009-12-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 887 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
434 m above ground
0-6 km bulk shear
82 kt
0-1 km storm-relative helicity
887 m²/s²
0-3 km storm-relative helicity
1306 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.

000 
WWUS71 KPHI 091700
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1200 PM EST WED DEC 9 2009

...GUSTY WINDS EXPECTED TONIGHT AND THURSDAY...

DEZ001>004-MDZ008-012-015-019-020-NJZ001-007>010-012>027-PAZ054-
055-060>062-067>071-100200-
/O.NEW.KPHI.WI.Y.0013.091209T2300Z-091210T2300Z/
NEW CASTLE-KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD-
QUEEN ANNES-TALBOT-CAROLINE-SUSSEX-WARREN-MORRIS-HUNTERDON-
SOMERSET-MIDDLESEX-WESTERN MONMOUTH-EASTERN MONMOUTH-MERCER-SALEM-
GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-OCEAN-CUMBERLAND-
ATLANTIC-CAPE MAY-ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-
COASTAL OCEAN-SOUTHEASTERN BURLINGTON-CARBON-MONROE-BERKS-LEHIGH-
NORTHAMPTON-CHESTER-MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA-
INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN...
REHOBOTH BEACH...ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...
DENTON...NEWTON...WASHINGTON...MORRISTOWN...FLEMINGTON...
SOMERVILLE...NEW BRUNSWICK...FREEHOLD...SANDY HOOK...TRENTON...
PENNSVILLE...GLASSBORO...CAMDEN...CHERRY HILL...MOORESTOWN...
MOUNT HOLLY...JACKSON...MILLVILLE...HAMMONTON...
CAPE MAY COURT HOUSE...OCEAN CITY...ATLANTIC CITY...
LONG BEACH ISLAND...WHARTON STATE FOREST...JIM THORPE...
STROUDSBURG...READING...ALLENTOWN...BETHLEHEM...WEST CHESTER...
NORRISTOWN...DOYLESTOWN...MEDIA...PHILADELPHIA
1200 PM EST WED DEC 9 2009

...WIND ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 PM EST
THURSDAY...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM EST
THURSDAY. 

A DEEP LOW PRESSURE SYSTEM TO THE NORTH WILL CAUSE A COLD FRONT TO
CROSS THE AREA EARLY THIS EVENING. STRONG AND GUSTY WINDS FROM THE
WEST OR SOUTHWEST WILL DEVELOP BEHIND THIS FRONT. GUSTS UP TO 45
MPH WILL OCCUR. THE GROUND IS VERY WET FROM EARLIER RAINS, SO THE
POSSIBILITY OF TREES A FEW TREES TOPPLING IS GREATER THAN WITH DRY
GROUND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 35 MPH AND/OR GUSTS
OVER 45 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION. SECURE ANY LOOSE OBJECTS THAT ARE OUTDOORS. 

&&

$$
4 follow-up statements
000 
WWUS71 KPHI 092057
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
357 PM EST WED DEC 9 2009

...GUSTY WINDS EXPECTED TONIGHT AND THURSDAY...

.AN INTENSE LOW PRESSURE SYSTEM MOVING THROUGH THE GREAT LAKES REGION
WILL PUSH A COLD FRONT ACROSS OUR AREA THIS EVENING. THE WINDS ARE
EXPECTED TO INCREASE AND TURN RATHER GUSTY TONIGHT.

DEZ001>004-MDZ008-012-015-019-020-NJZ001-007>010-012>027-PAZ054-
055-060>062-067>071-100930-
/O.CON.KPHI.WI.Y.0013.091209T2300Z-091210T2300Z/
NEW CASTLE-KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD-
QUEEN ANNES-TALBOT-CAROLINE-SUSSEX-WARREN-MORRIS-HUNTERDON-
SOMERSET-MIDDLESEX-WESTERN MONMOUTH-EASTERN MONMOUTH-MERCER-SALEM-
GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-OCEAN-CUMBERLAND-
ATLANTIC-CAPE MAY-ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-
COASTAL OCEAN-SOUTHEASTERN BURLINGTON-CARBON-MONROE-BERKS-LEHIGH-
NORTHAMPTON-CHESTER-MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA-
INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN...
REHOBOTH BEACH...ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...
DENTON...NEWTON...WASHINGTON...MORRISTOWN...FLEMINGTON...
SOMERVILLE...NEW BRUNSWICK...FREEHOLD...SANDY HOOK...TRENTON...
PENNSVILLE...GLASSBORO...CAMDEN...CHERRY HILL...MOORESTOWN...
MOUNT HOLLY...JACKSON...MILLVILLE...HAMMONTON...
CAPE MAY COURT HOUSE...OCEAN CITY...ATLANTIC CITY...
LONG BEACH ISLAND...WHARTON STATE FOREST...JIM THORPE...
STROUDSBURG...READING...ALLENTOWN...BETHLEHEM...WEST CHESTER...
NORRISTOWN...DOYLESTOWN...MEDIA...PHILADELPHIA
357 PM EST WED DEC 9 2009

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST THURSDAY...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST THURSDAY. 

A WEST OR SOUTHWEST SUSTAINED WIND WILL INCREASE TO AROUND 20 MPH
TONIGHT, AND GUSTS TO AROUND 45 MPH ARE EXPECTED. THE GROUND IS VERY
SATURATED FROM THE RECENT RAINFALL, THEREFORE THE POSSIBILITY OF SOME
TREES TOPPLING OVER IS GREATER THAN WITH DRY GROUND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WIND ADVISORIES ARE ISSUED WHEN SUSTAINED WIND SPEEDS OF AT LEAST
30 MPH AND/OR WIND GUSTS OVER 45 MPH ARE EXPECTED. WINDS OF THIS
MAGNITUDE COULD CAUSE MINOR DAMAGE TO TREES, POWER LINES AND
WEAKER STRUCTURES. IF YOU ARE TRAVELING THROUGH THE ADVISORY AREA,
KEEP A FIRM GRIP ON THE WHEEL, ESPECIALLY FOR THOSE DRIVING HIGH
PROFILE VEHICLES AND ACROSS ELEVATED STRUCTURES SUCH AS BRIDGES.

&&

$$

GORSE
000 
WWUS71 KPHI 100647
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
147 AM EST THU DEC 10 2009

...GUSTY WINDS EXPECTED TODAY...


DEZ001>004-MDZ008-012-015-019-020-NJZ001-007>010-012>027-PAZ054-
055-060>062-067>071-102300-
/O.CON.KPHI.WI.Y.0013.000000T0000Z-091210T2300Z/
NEW CASTLE-KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD-
QUEEN ANNES-TALBOT-CAROLINE-SUSSEX-WARREN-MORRIS-HUNTERDON-
SOMERSET-MIDDLESEX-WESTERN MONMOUTH-EASTERN MONMOUTH-MERCER-SALEM-
GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-OCEAN-CUMBERLAND-
ATLANTIC-CAPE MAY-ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-
COASTAL OCEAN-SOUTHEASTERN BURLINGTON-CARBON-MONROE-BERKS-LEHIGH-
NORTHAMPTON-CHESTER-MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA-
INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN...
REHOBOTH BEACH...ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...
DENTON...NEWTON...WASHINGTON...MORRISTOWN...FLEMINGTON...
SOMERVILLE...NEW BRUNSWICK...FREEHOLD...SANDY HOOK...TRENTON...
PENNSVILLE...GLASSBORO...CAMDEN...CHERRY HILL...MOORESTOWN...
MOUNT HOLLY...JACKSON...MILLVILLE...HAMMONTON...
CAPE MAY COURT HOUSE...OCEAN CITY...ATLANTIC CITY...
LONG BEACH ISLAND...WHARTON STATE FOREST...JIM THORPE...
STROUDSBURG...READING...ALLENTOWN...BETHLEHEM...WEST CHESTER...
NORRISTOWN...DOYLESTOWN...MEDIA...PHILADELPHIA
147 AM EST THU DEC 10 2009

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING. 

BLUSTERY WEST WINDS OF 15 TO 25 MPH WITH GUSTS TO AROUND 45 MPH
ARE EXPECTED TODAY. THE STRONGEST OF THE WINDS SHOULD BE OBSERVED
LATE THIS AFTERNOON. HOWEVER SOME STRONG WIND GUSTS MAY ALSO OCCUR
EARLY THIS MORNING. THE GROUND IS VERY SATURATED FROM THE RECENT
RAINFALL...THEREFORE THE POSSIBILITY OF SOME TREES TOPPLING OVER
IS GREATER THAN WITH DRY GROUND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WIND ADVISORIES ARE ISSUED WHEN SUSTAINED WIND SPEEDS OF AT LEAST
30 MPH AND/OR WIND GUSTS OVER 45 MPH ARE EXPECTED. WINDS OF THIS
MAGNITUDE COULD CAUSE MINOR DAMAGE TO TREES... POWER LINES AND
WEAKER STRUCTURES. IF YOU ARE TRAVELING THROUGH THE ADVISORY
AREA... KEEP A FIRM GRIP ON THE WHEEL... ESPECIALLY FOR THOSE
DRIVING HIGH PROFILE VEHICLES AND ACROSS ELEVATED STRUCTURES SUCH
AS BRIDGES.

&&

$$

RNS
000 
WWUS71 KPHI 102000
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
300 PM EST THU DEC 10 2009

...GUSTY WINDS TO CONTINUE THROUGH TONIGHT...

.A STRONG LOW PRESSURE SYSTEM WELL TO OUR NORTH AND HIGH PRESSURE
BUILDING INTO THE OHIO VALLEY, WILL ALLOW GUSTY WEST TO NORTHWEST
WINDS TO CONTINUE THROUGH TONIGHT.

DEZ001>004-MDZ008-012-015-019-020-NJZ001-007>010-012>027-PAZ054-
055-060>062-067>071-110930-
/O.EXT.KPHI.WI.Y.0013.000000T0000Z-091211T1100Z/
NEW CASTLE-KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD-
QUEEN ANNES-TALBOT-CAROLINE-SUSSEX-WARREN-MORRIS-HUNTERDON-
SOMERSET-MIDDLESEX-WESTERN MONMOUTH-EASTERN MONMOUTH-MERCER-SALEM-
GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-OCEAN-CUMBERLAND-
ATLANTIC-CAPE MAY-ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-
COASTAL OCEAN-SOUTHEASTERN BURLINGTON-CARBON-MONROE-BERKS-LEHIGH-
NORTHAMPTON-CHESTER-MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA-
INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN...
REHOBOTH BEACH...ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...
DENTON...NEWTON...WASHINGTON...MORRISTOWN...FLEMINGTON...
SOMERVILLE...NEW BRUNSWICK...FREEHOLD...SANDY HOOK...TRENTON...
PENNSVILLE...GLASSBORO...CAMDEN...CHERRY HILL...MOORESTOWN...
MOUNT HOLLY...JACKSON...MILLVILLE...HAMMONTON...
CAPE MAY COURT HOUSE...OCEAN CITY...ATLANTIC CITY...
LONG BEACH ISLAND...WHARTON STATE FOREST...JIM THORPE...
STROUDSBURG...READING...ALLENTOWN...BETHLEHEM...WEST CHESTER...
NORRISTOWN...DOYLESTOWN...MEDIA...PHILADELPHIA
300 PM EST THU DEC 10 2009

...WIND ADVISORY NOW IN EFFECT UNTIL 6 AM EST FRIDAY...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 6 AM EST FRIDAY. 

WEST TO NORTHWEST WINDS SUSTAINED 15 TO 25 MPH ARE EXPECTED
THROUGH TONIGHT, WITH GUSTS TO AROUND 45 MPH AT TIMES. THE RATHER
SATURATED GROUND SHOULD TEND TO LEAD TO AN INCREASED POSSIBILITY
OF SOME TREES TOPPLING OVER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WIND ADVISORIES ARE ISSUED WHEN SUSTAINED WIND SPEEDS OF AT LEAST
30 MPH AND/OR WIND GUSTS OVER 45 MPH ARE EXPECTED. WINDS OF THIS
MAGNITUDE COULD CAUSE MINOR DAMAGE TO TREES, POWER LINES AND
WEAKER STRUCTURES. IF YOU ARE TRAVELING THROUGH THE ADVISORY
AREA, KEEP A FIRM GRIP ON THE WHEEL, ESPECIALLY FOR THOSE DRIVING
HIGH PROFILE VEHICLES ON NORTH SOUTH ROADWAYS AND ACROSS ELEVATED
STRUCTURES SUCH AS BRIDGES.

&&

$$
000 
WWUS71 KPHI 110152
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
852 PM EST THU DEC 10 2009

DEZ001>004-MDZ008-012-015-019-020-NJZ001-007>010-012>027-PAZ054-
055-060>062-067>071-110300-
/O.CAN.KPHI.WI.Y.0013.000000T0000Z-091211T1100Z/
NEW CASTLE-KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD-
QUEEN ANNES-TALBOT-CAROLINE-SUSSEX-WARREN-MORRIS-HUNTERDON-
SOMERSET-MIDDLESEX-WESTERN MONMOUTH-EASTERN MONMOUTH-MERCER-SALEM-
GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-OCEAN-CUMBERLAND-
ATLANTIC-CAPE MAY-ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-
COASTAL OCEAN-SOUTHEASTERN BURLINGTON-CARBON-MONROE-BERKS-LEHIGH-
NORTHAMPTON-CHESTER-MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA-
INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN...
REHOBOTH BEACH...ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...
DENTON...NEWTON...WASHINGTON...MORRISTOWN...FLEMINGTON...
SOMERVILLE...NEW BRUNSWICK...FREEHOLD...SANDY HOOK...TRENTON...
PENNSVILLE...GLASSBORO...CAMDEN...CHERRY HILL...MOORESTOWN...
MOUNT HOLLY...JACKSON...MILLVILLE...HAMMONTON...
CAPE MAY COURT HOUSE...OCEAN CITY...ATLANTIC CITY...
LONG BEACH ISLAND...WHARTON STATE FOREST...JIM THORPE...
STROUDSBURG...READING...ALLENTOWN...BETHLEHEM...WEST CHESTER...
NORRISTOWN...DOYLESTOWN...MEDIA...PHILADELPHIA
852 PM EST THU DEC 10 2009

...WIND ADVISORY IS CANCELLED...

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

FREQUENT WIND GUSTS OVER 45 MPH ARE NOT EXPECTED, THEREFORE THE
WIND ADVISORY HAS BEEN CANCELLED.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 9, 5:04 AM ESTWind AdvisoryPHISussex4 hr
Dec 9, 5:43 AM ESTRiver Flood WarningPHINew Castle9 hr
Dec 9, 6:53 AM ESTAreal Flood WarningPHINew Castle8 hr
Dec 9, 7:08 AM ESTAreal Flood AdvisoryPHIKent, Sussex4 hr
Dec 9, 7:54 AM ESTRiver Flood WarningPHINew Castle8 hr
Dec 9, 8:44 AM ESTRiver Flood WarningPHINew Castle5 hr
Dec 9, 2:26 PM ESTCoastal Flood AdvisoryPHINew Castle7 hr
Dec 9, 2:55 PM ESTAreal Flood WarningPHINew Castle7 hr
Dec 9, 4:55 PM ESTAreal Flood WarningPHISussex6 hr
Dec 9, 7:01 AM ESTAreal Flood AdvisoryPHIAtlantic, Burlington, Cape May, Cumberland4 hr
Dec 9, 7:29 AM ESTAreal Flood WarningPHIHunterdon, Mercer, Middlesex, Somerset8 hr
Dec 9, 8:02 AM ESTAreal Flood AdvisoryPHIMonmouth, Ocean4 hr
Dec 9, 8:11 AM ESTRiver Flood WarningPHIMercer8 hr
Dec 9, 9:58 AM ESTAreal Flood AdvisoryPHIWarren3 hr
Dec 9, 10:35 AM ESTCoastal Flood AdvisoryPHIMonmouth, Ocean3 hr
Dec 9, 10:48 AM ESTRiver Flood WarningPHISomerset31 hr
Dec 9, 3:42 PM ESTAreal Flood WarningPHIHunterdon, Mercer, Middlesex, Somerset16 hr
Dec 9, 7:47 AM ESTAreal Flood WarningPHIBucks, Chester, Montgomery7 hr
Dec 9, 8:16 AM ESTRiver Flood WarningPHIBucks12 hr
Dec 9, 8:25 AM ESTRiver Flood WarningPHIDelaware5 hr
Dec 9, 10:19 AM ESTRiver Flood WarningPHIChester7 hr
Dec 9, 10:40 AM ESTRiver Flood WarningPHIChester, Delaware13 hr
Dec 9, 11:36 AM ESTRiver Flood WarningPHIMontgomery5 hr
Dec 9, 1:15 PM ESTAreal Flood WarningPHIBerks4 hr

Nearby

Wind Advisories in New Jersey, 2009Wind Advisories in Pennsylvania, 2009Wind Advisories in Maryland, 2009Every wind advisory 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.