Alert archive / New Jersey / Wind Advisories in 2012

Wind Advisory 16, NWS Philadelphia/Mount Holly

December 27, 2012Cape May County, New Jersey; Sussex County, Delaware

NWS Philadelphia/Mount Holly issued this wind advisory at Dec 27, 2012, 1:42 PM EST for Cape May County, New Jersey; Sussex County, Delaware. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Dec 27, 2012, 1:42 PM EST (18:42 UTC)
Expired
Dec 27, 2012, 6:50 PM EST
In force
5 hr
Issued by
NWS Philadelphia/Mount Holly

Counties Sussex County, DE, Cape May County, NJ

The radar

The Dover AFB radar (KDOX), 31 km from the middle of the area, began a volume at 18:46 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, 6.7 hours before the alert went out and 109 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 2012-12-27Temperature 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 2012-12-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 196 square meters per square second.19395878Sfc1 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
696 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
196 m²/s²
0-3 km storm-relative helicity
200 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.

230 
WWUS71 KPHI 271842
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
142 PM EST THU DEC 27 2012

 
DEZ003-004-NJZ023-024-280000-
/O.NEW.KPHI.WI.Y.0016.121227T1842Z-121228T0000Z/
INLAND SUSSEX-DELAWARE BEACHES-CAPE MAY-ATLANTIC COASTAL CAPE MAY-
INCLUDING THE CITIES OF...GEORGETOWN...REHOBOTH BEACH...
CAPE MAY COURT HOUSE...OCEAN CITY
142 PM EST THU DEC 27 2012

...WIND ADVISORY IN EFFECT UNTIL 7 PM EST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 7 PM EST THIS EVENING.

* LOCATION MAINLY ALONG THE DELAWARE BAY AND THE IMMEDIATE OCEAN
  SIDE OF SUSSEX COUNTY DELAWARE AND CAPE MAY COUNTY NEW JERSEY.

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

* TIMING...THROUGH EARLY THIS EVENING.

* IMPACTS...WEAK TREE LIMBS MIGHT BE KNOCKED DOWN. UNSECURED ITEMS
  WILL BE TOSSED AROUND.  

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.

&&

$$
1 follow-up statement
545 
WWUS71 KPHI 272350
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
650 PM EST THU DEC 27 2012
 
DEZ003-004-NJZ023-024-280100-
/O.CAN.KPHI.WI.Y.0016.000000T0000Z-121228T0000Z/
INLAND SUSSEX-DELAWARE BEACHES-CAPE MAY-ATLANTIC COASTAL CAPE MAY-
INCLUDING THE CITIES OF...GEORGETOWN...REHOBOTH BEACH...
CAPE MAY COURT HOUSE...OCEAN CITY
650 PM EST THU DEC 27 2012

...WIND ADVISORY IS CANCELLED...

WINDS WILL SLOWLY DECREASE THE REST OF THIS EVENING AND FREQUENT
GUSTS OVER 45 MPH ARE NO LONGER EXPECTED.


$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 26, 7:55 PM ESTAreal Flood AdvisoryPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 5 more6 hr
Dec 26, 9:10 PM ESTAreal Flood AdvisoryPHIHunterdon, Mercer, Middlesex, Morris, Somerset, Sussex and 1 more4 hr
Dec 26, 11:15 PM ESTAreal Flood AdvisoryPHIMiddlesex, Monmouth, Ocean3 hr
Dec 26, 11:30 PM ESTAreal Flood WarningPHIMonmouth, Ocean3 days
Dec 27, 12:37 AM ESTAreal Flood WarningPHIHunterdon6 hr
Dec 27, 1:01 AM ESTSpecial Weather StatementPHIMonmouth59 min
Dec 27, 1:52 AM ESTSpecial Weather StatementPHIMiddlesex, Monmouth53 min
Dec 27, 7:58 AM ESTAreal Flood WarningPHIMorris5 hr
Dec 27, 1:46 PM ESTRiver Flood WarningPHIBurlington55 hr
Dec 26, 8:34 PM ESTAreal Flood AdvisoryPHISussex78 min

Nearby

Wind Advisories in New Jersey, 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.