Alert archive / New Jersey / Wind Advisories in 2011

Wind Advisory 11, NWS Philadelphia/Mount Holly

December 7, 2011Kent County, Sussex County, Delaware; 5 counties in New Jersey; Caroline County, Queen Anne's County, Talbot County, Maryland

NWS Philadelphia/Mount Holly issued this wind advisory at Dec 7, 2011, 3:45 AM EST for Kent County, Sussex County, Delaware; 5 counties in New Jersey; Caroline County, Queen Anne's County, Talbot County, Maryland. It took effect at Dec 7, 2011, 9:00 PM EST. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Dec 7, 2011, 3:45 AM EST (08:45 UTC)
In effect from
Dec 7, 2011, 9:00 PM EST
Expired
Dec 8, 2011, 3:20 AM EST
In force
6 hr
Issued by
NWS Philadelphia/Mount Holly

Counties Kent County, DE, Sussex County, DE, Caroline County, MD, Queen Anne's County, MD, Talbot County, MD, Atlantic County, NJ, Burlington County, NJ, Cape May County, NJ, Cumberland County, NJ, Ocean County, NJ

The radar

The Dover AFB radar (KDOX), 46 km from the middle of the area, began a volume at 08:45 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, 8.8 hours before the alert went out and 143 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 2011-12-07Temperature 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 2011-12-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 124 square meters per square second.1939587897117Sfc1 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
1080 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
124 m²/s²
0-3 km storm-relative helicity
131 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.

312 
WWUS71 KPHI 070845
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
345 AM EST WED DEC 7 2011


DEZ002>004-NJZ020>027-071715-
/O.NEW.KPHI.WI.Y.0011.111208T0200Z-111208T0900Z/
KENT-INLAND SUSSEX-DELAWARE BEACHES-OCEAN-CUMBERLAND-ATLANTIC-
CAPE MAY-ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN-
SOUTHEASTERN BURLINGTON-
INCLUDING THE CITIES OF...DOVER...GEORGETOWN...REHOBOTH BEACH...
JACKSON...MILLVILLE...HAMMONTON...CAPE MAY COURT HOUSE...
OCEAN CITY...ATLANTIC CITY...LONG BEACH ISLAND...
WHARTON STATE FOREST
345 AM EST WED DEC 7 2011

...WIND ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 4 AM EST
THURSDAY...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO 4 AM EST
THURSDAY. 

* LOCATIONS...PORTIONS OF SOUTHEASTERN NEW JERSEY FROM THE OCEAN
  CITY AND ATLANTIC CITY SOUTHWARD TO CAPE MAY AND ACROSS THE
  SOUTH TWO THIRDS OF DELAWARE. 

* HAZARDS...WIND.

* WINDS...NORTHWEST WILL GUST TO NEAR 50 MPH.

* TIMING...STRONGEST GUSTS SHOULD OCCUR BETWEEN 10 PM AND 3 AM.

* IMPACTS...SCATTERED TREE BRANCHES WILL PROBABLY BREAK AND CAUSE
  POWER OUTAGES. HIGH PROFILE VEHICLES WILL BE STRONGLY
  AFFECTED... ESPECIALLY ON NORTH-SOUTH ROUTES AND OVER ANY BRIDGE
  CROSSINGS.

* PRELIMINARY EVENT...THERE MAY BE A BURST OF SOUTHWEST WINDS TO
  40MPH LATER THIS MORNING IN DELAWARE AND THERE IS A CHANCE OF A
  THUNDERSTORM WIND GUST NEAR 50 MPH VERY LATE THIS AFTERNOON OR
  EVENING.

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.

&&

$$

DRAG
5 follow-up statements
352 
WWUS71 KPHI 071604
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1104 AM EST WED DEC 7 2011

DEZ002>004-NJZ020>027-080530-
/O.CON.KPHI.WI.Y.0011.111208T0200Z-111208T0900Z/
KENT-INLAND SUSSEX-DELAWARE BEACHES-OCEAN-CUMBERLAND-ATLANTIC-
CAPE MAY-ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN-
SOUTHEASTERN BURLINGTON-
INCLUDING THE CITIES OF...DOVER...GEORGETOWN...REHOBOTH BEACH...
JACKSON...MILLVILLE...HAMMONTON...CAPE MAY COURT HOUSE...
OCEAN CITY...ATLANTIC CITY...LONG BEACH ISLAND...
WHARTON STATE FOREST
1104 AM EST WED DEC 7 2011

...WIND ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 4 AM
EST THURSDAY...

* LOCATIONS...PORTIONS OF SOUTHEASTERN NEW JERSEY FROM THE OCEAN 
  CITY AND ATLANTIC CITY SOUTHWARD TO CAPE MAY AND ACROSS THE 
  SOUTH TWO THIRDS OF DELAWARE. 

* HAZARDS...WIND.

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

* TIMING...STRONGEST GUSTS SHOULD OCCUR BETWEEN 10 PM AND 3 AM.

* IMPACTS...SCATTERED TREE BRANCHES WILL PROBABLY BREAK AND CAUSE
  POWER OUTAGES. HIGH PROFILE VEHICLES WILL BE STRONGLY
  AFFECTED... ESPECIALLY ON NORTH-SOUTH ROUTES AND OVER ANY BRIDGE
  CROSSINGS.


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.

&&

$$

HEAVENER
384 
WWUS71 KPHI 072009
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
309 PM EST WED DEC 7 2011

DEZ002>004-NJZ020>027-080900-
/O.CON.KPHI.WI.Y.0011.111208T0200Z-111208T0900Z/
KENT-INLAND SUSSEX-DELAWARE BEACHES-OCEAN-CUMBERLAND-ATLANTIC-
CAPE MAY-ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN-
SOUTHEASTERN BURLINGTON-
INCLUDING THE CITIES OF...DOVER...GEORGETOWN...REHOBOTH BEACH...
JACKSON...MILLVILLE...HAMMONTON...CAPE MAY COURT HOUSE...
OCEAN CITY...ATLANTIC CITY...LONG BEACH ISLAND...
WHARTON STATE FOREST
309 PM EST WED DEC 7 2011

...WIND ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 4 AM
EST THURSDAY...

* LOCATIONS...PORTIONS OF SOUTHEASTERN NEW JERSEY FROM OCEAN CITY
  AND ATLANTIC CITY SOUTHWARD TO CAPE MAY AND ACROSS THE SOUTHERN
  TWO-THIRDS OF DELAWARE.

* HAZARDS...WIND.

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

* TIMING...STRONGEST GUSTS SHOULD OCCUR BETWEEN 10 PM AND 3 AM.

* IMPACTS...SCATTERED TREE BRANCHES WILL PROBABLY BREAK AND 
  CAUSE POWER OUTAGES. HIGH PROFILE VEHICLES WILL BE STRONGLY 
  AFFECTED... ESPECIALLY ON NORTH-SOUTH ROUTES AND OVER ANY 
  BRIDGE CROSSINGS. 

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.

&&

$$
656 
WWUS71 KPHI 080203
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
903 PM EST WED DEC 7 2011

DEZ002>004-NJZ020>027-080900-
/O.CON.KPHI.WI.Y.0011.000000T0000Z-111208T0900Z/
KENT-INLAND SUSSEX-DELAWARE BEACHES-OCEAN-CUMBERLAND-ATLANTIC-
CAPE MAY-ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN-
SOUTHEASTERN BURLINGTON-
INCLUDING THE CITIES OF...DOVER...GEORGETOWN...REHOBOTH BEACH...
JACKSON...MILLVILLE...HAMMONTON...CAPE MAY COURT HOUSE...
OCEAN CITY...ATLANTIC CITY...LONG BEACH ISLAND...
WHARTON STATE FOREST
903 PM EST WED DEC 7 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST THURSDAY...

* LOCATIONS...PORTIONS OF SOUTHEASTERN NEW JERSEY FROM OCEAN 
  CITY AND ATLANTIC CITY SOUTHWARD TO CAPE MAY AND ACROSS THE 
  SOUTHERN TWO-THIRDS OF DELAWARE. 

* HAZARDS...STRONG WINDS.

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

* TIMING...STRONGEST GUSTS SHOULD OCCUR THROUGH 300 AM.

* IMPACTS...SCATTERED TREE BRANCHES WILL PROBABLY BREAK AND 
  MAY CAUSE POWER OUTAGES. HIGH PROFILE VEHICLES WILL BE STRONGLY 
  AFFECTED... ESPECIALLY ON NORTH-SOUTH ROUTES AND OVER ANY 
  BRIDGE CROSSINGS. 

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.

&&

$$
578 
WWUS71 KPHI 080232
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
932 PM EST WED DEC 7 2011

MDZ015-019-020-080900-
/O.EXA.KPHI.WI.Y.0011.000000T0000Z-111208T0900Z/
QUEEN ANNES-TALBOT-CAROLINE-
INCLUDING THE CITIES OF...CENTREVILLE...EASTON...DENTON
932 PM EST WED DEC 7 2011

...WIND ADVISORY IN EFFECT UNTIL 4 AM EST THURSDAY...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 4 AM EST THURSDAY. 

* LOCATIONS...PORTIONS OF NORTHEAST MARYLAND.

* HAZARDS...STRONG WINDS.

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

* TIMING...THE STRONGEST WINDS GUSTS SHOULD OCCUR THROUGH 300 AM. 

* IMPACTS...SCATTERED TREE BRANCHES WILL PROBABLY BREAK AND MAY 
  CAUSE POWER OUTAGES. HIGH PROFILE VEHICLES WILL BE STRONGLY 
  AFFECTED... ESPECIALLY ON NORTH-SOUTH ROUTES AND OVER ANY 
  BRIDGE CROSSINGS. 

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.

&&

$$

DEZ002>004-NJZ020>027-080900-
/O.CON.KPHI.WI.Y.0011.000000T0000Z-111208T0900Z/
KENT-INLAND SUSSEX-DELAWARE BEACHES-OCEAN-CUMBERLAND-ATLANTIC-
CAPE MAY-ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN-
SOUTHEASTERN BURLINGTON-
INCLUDING THE CITIES OF...DOVER...GEORGETOWN...REHOBOTH BEACH...
JACKSON...MILLVILLE...HAMMONTON...CAPE MAY COURT HOUSE...
OCEAN CITY...ATLANTIC CITY...LONG BEACH ISLAND...
WHARTON STATE FOREST
932 PM EST WED DEC 7 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST THURSDAY...

* LOCATIONS...PORTIONS OF SOUTHEASTERN NEW JERSEY FROM OCEAN 
  CITY AND ATLANTIC CITY SOUTHWARD TO CAPE MAY AND ACROSS THE 
  SOUTHERN TWO-THIRDS OF DELAWARE. 

* HAZARDS...STRONG WINDS.

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

* TIMING...STRONGEST GUSTS SHOULD OCCUR THROUGH 300 AM.

* IMPACTS...SCATTERED TREE BRANCHES WILL PROBABLY BREAK AND MAY 
  CAUSE POWER OUTAGES. HIGH PROFILE VEHICLES WILL BE STRONGLY 
  AFFECTED... ESPECIALLY ON NORTH-SOUTH ROUTES AND OVER ANY 
  BRIDGE CROSSINGS. 

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.

&&

$$
238 
WWUS71 KPHI 080820
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
320 AM EST THU DEC 8 2011


DEZ002>004-MDZ015-019-020-NJZ020>027-080930-
/O.CAN.KPHI.WI.Y.0011.000000T0000Z-111208T0900Z/
KENT-INLAND SUSSEX-DELAWARE BEACHES-QUEEN ANNES-TALBOT-CAROLINE-
OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY-ATLANTIC COASTAL CAPE MAY-
COASTAL ATLANTIC-COASTAL OCEAN-SOUTHEASTERN BURLINGTON-
INCLUDING THE CITIES OF...DOVER...GEORGETOWN...REHOBOTH BEACH...
CENTREVILLE...EASTON...DENTON...JACKSON...MILLVILLE...HAMMONTON...
CAPE MAY COURT HOUSE...OCEAN CITY...ATLANTIC CITY...
LONG BEACH ISLAND...WHARTON STATE FOREST
320 AM EST THU DEC 8 2011

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE
WIND ADVISORY FOR SOUTHEAST NEW JERSEY...THE SOUTHERN TWO THIRDS
OF DELAWARE AND A PORTION OF MARYLAND'S EASTERN SHORE.

STRONGEST WINDS OF 40 TO 50 MPH HAVE ALREADY OCCURRED. WINDS WILL
SLOWLY SUBSIDE THROUGH THE DAYLIGHT HOURS.

$$


DRAG

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 7, 6:51 AM ESTAreal Flood AdvisoryPHIKent, New Castle4 hr
Dec 7, 5:58 PM ESTRiver Flood WarningPHINew Castle11 hr
Dec 7, 3:16 AM ESTGale WarningPHI30 hr
Dec 7, 4:12 AM ESTWinter Weather AdvisoryPHISussex, Warren23 hr
Dec 7, 10:53 AM ESTAreal Flood AdvisoryPHISussex, Warren3 hr
Dec 7, 6:25 PM ESTAreal Flood WarningPHISussex, Warren8 hr
Dec 7, 6:11 PM ESTAreal Flood WarningPHICaroline, Cecil, Kent, Queen Anne's, Talbot8 hr

Nearby

Wind Advisories in New Jersey, 2011Wind Advisories in Maryland, 2011Wind Advisories in Delaware, 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.