Alert archive / New Jersey / Wind Advisories in 2012

Wind Advisory 4, NWS Philadelphia/Mount Holly

February 11, 20124 states

NWS Philadelphia/Mount Holly issued this wind advisory at Feb 11, 2012, 3:37 PM EST for 4 states. It took effect at Feb 11, 2012, 7:00 PM EST. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Feb 11, 2012, 3:37 PM EST (20:37 UTC)
In effect from
Feb 11, 2012, 7:00 PM EST
Expired
Feb 12, 2012, 3:24 AM EST
In force
8 hr
Issued by
NWS Philadelphia/Mount Holly

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, Ocean County, NJ, Salem County, NJ, Delaware County, PA, Philadelphia County, PA

The radar

The Dover AFB radar (KDOX), 66 km from the middle of the area, began a volume at 20:41 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 12:00Z, 8.6 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, Wallops Is Stn, VA at 12:00Z on 2012-02-11Temperature 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 12:00Z on 2012-02-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -27 square meters per square second.1939587897117136Sfc1 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
823 m above ground
0-6 km bulk shear
77 kt
0-1 km storm-relative helicity
-27 m²/s²
0-3 km storm-relative helicity
225 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.

081 
WWUS71 KPHI 112037
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
337 PM EST SAT FEB 11 2012

DEZ001>004-MDZ008-012-015-019-020-NJZ016>024-026-027-PAZ067-070-
071-121000-
/O.NEW.KPHI.WI.Y.0004.120212T0000Z-120212T1000Z/
NEW CASTLE-KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD-
QUEEN ANNES-TALBOT-CAROLINE-SALEM-GLOUCESTER-CAMDEN-
NORTHWESTERN BURLINGTON-OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY-
ATLANTIC COASTAL CAPE MAY-COASTAL OCEAN-SOUTHEASTERN BURLINGTON-
CHESTER-DELAWARE-PHILADELPHIA-
INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN...
REHOBOTH BEACH...ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...
DENTON...PENNSVILLE...GLASSBORO...CAMDEN...CHERRY HILL...
MOORESTOWN...MOUNT HOLLY...JACKSON...MILLVILLE...HAMMONTON...
CAPE MAY COURT HOUSE...OCEAN CITY...LONG BEACH ISLAND...
WHARTON STATE FOREST...WEST CHESTER...MEDIA...PHILADELPHIA
337 PM EST SAT FEB 11 2012

...WIND ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 5 AM EST
SUNDAY...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO 5 AM EST
SUNDAY.

* WINDS...NORTHWEST 20 TO 30 MPH WITH GUSTS TO AROUND 45 MPH.

* TIMING...WINDS ARE EXPECTED TO INCREASE THIS EVENING AFTER
  SUNSET AND BE AT THEIR STRONGEST AROUND MIDNIGHT, THEN SLOWLY
  DIMINISH TOWARD DAYBREAK SUNDAY.

* IMPACTS...STRONG WIND GUSTS CAN KNOCK DOWN TREE LIMBS AND
  POSSIBLY SOME WEAKER TREES, ISOLATED POWER OUTAGES MAY OCCUR.
  THE WINDS WILL MAKE IT DIFFICULT TO DRIVE HIGH PROFILE
  VEHICLES, ESPECIALLY ON BRIDGES AND OTHER ELEVATED ROADWAYS.

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.

&&

$$

ROBERTSON/OLMO
2 follow-up statements
790 
WWUS71 KPHI 120256
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
956 PM EST SAT FEB 11 2012

NJZ025-121000-
/O.EXA.KPHI.WI.Y.0004.000000T0000Z-120212T1000Z/
COASTAL ATLANTIC-
INCLUDING THE CITY OF...ATLANTIC CITY
956 PM EST SAT FEB 11 2012

...WIND ADVISORY IN EFFECT UNTIL 5 AM EST SUNDAY...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 5 AM EST SUNDAY.

* WINDS...NORTHWEST 20 TO 30 MPH WITH GUSTS TO AROUND 45 MPH.

* TIMING...WINDS ARE EXPECTED TO BE AT THEIR STRONGEST AROUND
  MIDNIGHT AND THEN DIMINISH SOME TOWARD DAYBREAK SUNDAY.

* IMPACTS...STRONG WIND GUSTS CAN KNOCK DOWN TREE LIMBS AND
  POSSIBLY SOME WEAKER TREES, AND ISOLATED POWER OUTAGES MAY
  OCCUR. THE WINDS WILL MAKE IT DIFFICULT TO DRIVE HIGH PROFILE
  VEHICLES ESPECIALLY ON BRIDGES AND OTHER ELEVATED ROADWAYS.

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.

&&

$$

DEZ001>004-MDZ008-012-015-019-020-NJZ016>024-026-027-PAZ067-070-
071-121000-
/O.CON.KPHI.WI.Y.0004.000000T0000Z-120212T1000Z/
NEW CASTLE-KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD-
QUEEN ANNES-TALBOT-CAROLINE-SALEM-GLOUCESTER-CAMDEN-
NORTHWESTERN BURLINGTON-OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY-
ATLANTIC COASTAL CAPE MAY-COASTAL OCEAN-SOUTHEASTERN BURLINGTON-
CHESTER-DELAWARE-PHILADELPHIA-
INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN...
REHOBOTH BEACH...ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...
DENTON...PENNSVILLE...GLASSBORO...CAMDEN...CHERRY HILL...
MOORESTOWN...MOUNT HOLLY...JACKSON...MILLVILLE...HAMMONTON...
CAPE MAY COURT HOUSE...OCEAN CITY...LONG BEACH ISLAND...
WHARTON STATE FOREST...WEST CHESTER...MEDIA...PHILADELPHIA
956 PM EST SAT FEB 11 2012

...WIND ADVISORY IN EFFECT UNTIL 5 AM EST SUNDAY...

* WINDS...NORTHWEST 20 TO 30 MPH WITH GUSTS TO AROUND 45 MPH.

* TIMING...WINDS ARE EXPECTED TO BE AT THEIR STRONGEST AROUND
  MIDNIGHT AND THEN DIMINISH SOME TOWARD DAYBREAK SUNDAY.

* IMPACTS...STRONG WIND GUSTS CAN KNOCK DOWN TREE LIMBS AND
  POSSIBLY SOME WEAKER TREES, AND ISOLATED POWER OUTAGES MAY
  OCCUR. THE WINDS WILL MAKE IT DIFFICULT TO DRIVE HIGH PROFILE
  VEHICLES ESPECIALLY ON BRIDGES AND OTHER ELEVATED ROADWAYS.

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.

&&

$$
231 
WWUS71 KPHI 120824
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
324 AM EST SUN FEB 12 2012

DEZ001>004-MDZ008-012-015-019-020-NJZ016>027-PAZ067-070-071-
120930-
/O.CAN.KPHI.WI.Y.0004.000000T0000Z-120212T1000Z/
NEW CASTLE-KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD-
QUEEN ANNES-TALBOT-CAROLINE-SALEM-GLOUCESTER-CAMDEN-
NORTHWESTERN BURLINGTON-OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY-
ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN-
SOUTHEASTERN BURLINGTON-CHESTER-DELAWARE-PHILADELPHIA-
INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN...
REHOBOTH BEACH...ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...
DENTON...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...WEST CHESTER...MEDIA...
PHILADELPHIA
324 AM EST SUN FEB 12 2012

...WIND ADVISORY IS CANCELLED...

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

NORTHWEST WINDS WILL CONTINUE TO BE GUSTY TODAY...BUT THESE GUSTS
ARE NOT EXPECTED TO EXCEED 45 MPH. 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 11, 3:37 AM ESTGale WarningPHI45 hr
Feb 11, 3:19 PM ESTSpecial Weather StatementPHISalem3 hr
Feb 11, 5:49 PM ESTSpecial Weather StatementPHISalem86 min
Feb 11, 6:16 PM ESTSpecial Weather StatementPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 2 more104 min

Nearby

Wind Advisories in New Jersey, 2012Wind Advisories in Maryland, 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.