Alert archive / New Jersey / Wind Advisories in 2008

Wind Advisory 14, NWS Philadelphia/Mount Holly

December 30, 20087 counties in New Jersey; 4 counties in Pennsylvania

NWS Philadelphia/Mount Holly issued this wind advisory at Dec 30, 2008, 3:50 AM EST for 7 counties in New Jersey; 4 counties in Pennsylvania. It took effect at Dec 30, 2008, 4:00 AM EST. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Dec 30, 2008, 3:50 AM EST (08:50 UTC)
In effect from
Dec 30, 2008, 4:00 AM EST
Expired
Dec 30, 2008, 11:52 AM EST
In force
8 hr
Issued by
NWS Philadelphia/Mount Holly

Counties Hunterdon County, NJ, Middlesex County, NJ, Monmouth County, NJ, Morris County, NJ, Somerset County, NJ, Sussex County, NJ, Warren County, NJ, Carbon County, PA, Lehigh County, PA, Monroe County, PA, Northampton County, PA

The radar

The Philadelphia radar (KDIX), 98 km from the middle of the area, began a volume at 08:49 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

Brookhaven, NY (KOKX), launched 00:00Z, 8.8 hours before the alert went out and 175 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, Brookhaven, NY at 00:00Z on 2008-12-30Temperature 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, Brookhaven, NY at 00:00Z on 2008-12-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 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
1455 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
98 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 300850
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
350 AM EST TUE DEC 30 2008

NJZ001-007>010-012>014-PAZ054-055-061-062-301700-
/O.NEW.KPHI.WI.Y.0014.081230T0900Z-081230T1700Z/
SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-
WESTERN MONMOUTH-EASTERN MONMOUTH-CARBON-MONROE-LEHIGH-
NORTHAMPTON-
INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN...
FLEMINGTON...SOMERVILLE...NEW BRUNSWICK...FREEHOLD...SANDY HOOK...
JIM THORPE...STROUDSBURG...ALLENTOWN...BETHLEHEM...EASTON
350 AM EST TUE DEC 30 2008

...WIND ADVISORY IN EFFECT UNTIL NOON EST TODAY...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL NOON EST TODAY. 

STRONG WINDS THAT ARE EXPECTED TO GUST TO AROUND 45 MPH WILL
DEVELOP OVER NORTHERN NEW JERSEY...THE LEHIGH VALLEY AND THE
SOUTHERN POCONOS THIS MORNING. WINDS WILL DIMINISH THIS AFTERNOON. 

ANOTHER PERIOD OF STRONG WINDS IS EXPECTED ON WEDNESDAY. 

THIS WIND ADVISORY MEANS THAT WIND GUSTS TO AROUND 45 MPH ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY
ON BRIDGES AND OVERPASSES...CAN BRING DOWN WEAK TREES AND UTILITY
LINES...AND CAN BLOW ABOUT LOOSE OUTDOOR ITEMS. 

PLEASE DRIVE CAREFULLY THIS MORNING. 

$$

MPD
1 follow-up statement
000 
WWUS71 KPHI 301652
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1152 AM EST TUE DEC 30 2008

NJZ001-007>010-012>014-PAZ054-055-061-062-301800-
/O.CAN.KPHI.WI.Y.0014.000000T0000Z-081230T1700Z/
SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-
WESTERN MONMOUTH-EASTERN MONMOUTH-CARBON-MONROE-LEHIGH-
NORTHAMPTON-
INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN...
FLEMINGTON...SOMERVILLE...NEW BRUNSWICK...FREEHOLD...SANDY HOOK...
JIM THORPE...STROUDSBURG...ALLENTOWN...BETHLEHEM...EASTON
1152 AM EST TUE DEC 30 2008

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE HAS CANCELLED THE WIND ADVISORY.

WIND SPEEDS WILL CONTINUE TO DIMINISH GRADUALLY THIS AFTERNOON.

$$

IOVINO

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 30, 4:04 AM ESTGale WatchPHI12 hr
Dec 30, 3:23 PM ESTWinter Weather AdvisoryPHIMorris, Sussex, Warren24 hr
Dec 30, 3:40 PM ESTGale WarningPHI23 hr
Dec 30, 3:40 PM ESTHeavy Freezing Spray AdvisoryPHI38 hr

Nearby

Wind Advisories in New Jersey, 2008Wind Advisories in Pennsylvania, 2008Every wind advisory in 2008

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.