Alert archive / Pennsylvania / Wind Advisories in 2007

Wind Advisory 5, NWS Philadelphia/Mount Holly

April 16, 20074 counties in Pennsylvania; 4 counties in New Jersey

NWS Philadelphia/Mount Holly issued this wind advisory at Apr 16, 2007, 3:22 PM EDT for 4 counties in Pennsylvania; 4 counties in New Jersey. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Apr 16, 2007, 3:22 PM EDT (19:22 UTC)
Expired
Apr 16, 2007, 7:41 PM EDT
In force
4 hr
Issued by
NWS Philadelphia/Mount Holly

Counties Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Gloucester County, NJ, Berks County, PA, Delaware County, PA, Lehigh County, PA, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 66 km from the middle of the area, began a volume at 19:25 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, 7.4 hours before the alert went out and 97 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 2007-04-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 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 2007-04-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -76 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
3 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
975 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
-76 m²/s²
0-3 km storm-relative helicity
56 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 161922
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
322 PM EDT MON APR 16 2007

NJZ017>019-022-025-027-PAZ060-061-067>071-170000-
/O.CAN.KPHI.HW.W.0001.000000T0000Z-070416T2200Z/
/O.NEW.KPHI.WI.Y.0005.070416T1922Z-070417T0000Z/
GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-ATLANTIC-
COASTAL ATLANTIC-SOUTHEASTERN BURLINGTON-BERKS-LEHIGH-CHESTER-
MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA-
INCLUDING THE CITIES OF...GLASSBORO...CAMDEN...CHERRY HILL...
MOORESTOWN...MOUNT HOLLY...HAMMONTON...ATLANTIC CITY...
WHARTON STATE FOREST...READING...ALLENTOWN...WEST CHESTER...
NORRISTOWN...DOYLESTOWN...MEDIA
322 PM EDT MON APR 16 2007

...WIND ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...
...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 8 PM EDT THIS EVENING. THE
HIGH WIND WARNING HAS BEEN CANCELLED. 

INTENSE LOW PRESSURE OVER LONG ISLAND THIS AFTERNOON WILL MEANDER 
EASTWARD VERY SLOWLY THROUGH TONIGHT AND INTO TUESDAY. THE SYSTEM 
WILL CAUSE STRONG WINDS OVER THE REGION WITH GUSTS TO 50 MPH. 

THE VERY WET GROUND DUE TO THE HEAVY RAINS FROM THE SYSTEM 
WILL MAKE SHALLOW ROOTED TREES SUSCEPTIBLE TO TOPPLING. ANY WEAK 
TREE LIMBS OR FALLING TREES MAY CAUSE SCATTERED POWER OUTAGES.

MAKE SURE ANY OUTDOOR OBJECTS ARE SECURED. IF YOU WILL BE DRIVING
A LARGE VEHICLE...USE EXTRA CARE AS THE WIND MAY MAKE IT
DIFFICULT TO CONTROL AT TIMES. IF POSSIBLE DO NOT PARK VEHICLES
UNDERNEATH TREES. USE EXTRA CAUTION IF YOU MUST TRAVEL ACROSS ANY
ELEVATED ROADWAYS.

STAY TUNED TO NOAA WEATHER RADIO ALL HAZARDS OR YOUR LOCAL MEDIA
OUTLET FOR THE LATEST UPDATES.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 35 MPH AND/OR GUSTS
OF 50 MPH ARE EXPECTED. AGAIN...WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION.

$$

NJZ001-007>010-012>015-020-026-PAZ054-055-062-162030-
/O.CAN.KPHI.WI.Y.0004.000000T0000Z-070416T2200Z/
SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-
WESTERN MONMOUTH-EASTERN MONMOUTH-MERCER-OCEAN-COASTAL OCEAN-
CARBON-MONROE-NORTHAMPTON-
INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN...
FLEMINGTON...SOMERVILLE...NEW BRUNSWICK...FREEHOLD...SANDY HOOK...
TRENTON...JACKSON...LONG BEACH ISLAND...JIM THORPE...
STROUDSBURG...BETHLEHEM...EASTON
322 PM EDT MON APR 16 2007

...WIND ADVISORY IS CANCELLED...

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

SUSTAINED WINDS OF 20 TO 25 MPH WITH GUSTS UP TO 40 MPH ARE STILL
EXPECTED INTO THE EVENING HOURS ACROSS NORTHERN AND EAST CENTRAL
NEW JERSEY AND THE SOUTHERN POCONOS. 

$$

DEZ001>004-MDZ008-012-015-019-020-NJZ016-021-023-024-170000-
/O.EXT.KPHI.HW.W.0001.000000T0000Z-070417T0000Z/
NEW CASTLE-KENT DE-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD-
QUEEN ANNES-TALBOT-CAROLINE-SALEM-CUMBERLAND-CAPE MAY-
ATLANTIC COASTAL CAPE MAY-
INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN...
REHOBOTH BEACH...ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...
DENTON...PENNSVILLE...MILLVILLE...CAPE MAY COURT HOUSE...
OCEAN CITY
322 PM EDT MON APR 16 2007

...HIGH WIND WARNING NOW IN EFFECT UNTIL 8 PM EDT THIS EVENING...

THE HIGH WIND WARNING IS NOW IN EFFECT UNTIL 8 PM EDT THIS
EVENING. 

INTENSE LOW PRESSURE OVER LONG ISLAND THIS AFTERNOON WILL MEANDER 
EASTWARD VERY SLOWLY THROUGH TONIGHT AND INTO TUESDAY. THE SYSTEM 
WILL CAUSE STRONG WINDS OVER THE REGION WITH GUSTS TO 60 MPH INTO 
THE EVENING. 

THE VERY WET GROUND DUE TO THE HEAVY RAINS FROM THE SYSTEM 
WILL MAKE SHALLOW ROOTED TREES SUSCEPTIBLE TO TOPPLING. ANY WEAK 
TREE LIMBS OR FALLING TREES MAY CAUSE SCATTERED POWER OUTAGES.

MAKE SURE ANY OUTDOOR OBJECTS ARE SECURED. IF YOU WILL BE DRIVING
A LARGE VEHICLE...USE EXTRA CARE AS THE WIND MAY MAKE IT
DIFFICULT TO CONTROL AT TIMES. BE PARTICULARLY CAREFUL WHEN
DRIVING OVER AREAS EXPOSED TO THE WIND. IF POSSIBLE DO NOT PARK
VEHICLES UNDERNEATH TREES.

STAY TUNED TO NOAA WEATHER RADIO ALL HAZARDS OR YOUR LOCAL MEDIA
OUTLET FOR THE LATEST UPDATES.

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

$$

GORSE/MPD
1 follow-up statement
000 
WWUS71 KPHI 162341
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
741 PM EDT MON APR 16 2007

DEZ001>004-MDZ008-012-015-019-020-NJZ016-021-023-024-170400-
/O.CAN.KPHI.HW.W.0001.000000T0000Z-070417T0000Z/
/O.NEW.KPHI.WI.Y.0006.070416T2341Z-070417T0400Z/
NEW CASTLE-KENT DE-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD-
QUEEN ANNES-TALBOT-CAROLINE-SALEM-CUMBERLAND-CAPE MAY-
ATLANTIC COASTAL CAPE MAY-
INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN...
REHOBOTH BEACH...ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...
DENTON...PENNSVILLE...MILLVILLE...CAPE MAY COURT HOUSE...
OCEAN CITY
741 PM EDT MON APR 16 2007

...WIND ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...
...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL MIDNIGHT EDT TONIGHT. THE
HIGH WIND WARNING HAS BEEN CANCELLED.

STRONG BUT SLOWLY WEAKENING LOW PRESSURE OVER LONG ISLAND EARLY 
THIS EVENING WILL MEANDER EASTWARD VERY SLOWLY THROUGH TONIGHT
AND INTO TUESDAY. 

SUSTAINED WINDS OF AROUND 25 MPH WITH GUSTS OCCASIONALLY IN EXCESS
OF 45 MPH ARE EXPECTED THROUGH THE EVENING...THEN WINDS WILL
DIMINISH SOMEWHAT OVERNIGHT.

THE VERY WET GROUND WILL MAKE SHALLOW ROOTED TREES SUSCEPTIBLE TO
TOPPLING. ANY WEAK TREE LIMBS OR FALLING TREES MAY CAUSE SCATTERED
POWER OUTAGES. WINDS THIS STRONG ALSO CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION.

STAY TUNED TO NOAA WEATHER RADIO ALL HAZARDS OR YOUR LOCAL MEDIA
OUTLET FOR THE LATEST UPDATES.

$$

NJZ017>019-022-025-027-PAZ060-061-067>071-170045-
/O.CAN.KPHI.WI.Y.0005.000000T0000Z-070417T0000Z/
GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-ATLANTIC-
COASTAL ATLANTIC-SOUTHEASTERN BURLINGTON-BERKS-LEHIGH-CHESTER-
MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA-
INCLUDING THE CITIES OF...GLASSBORO...CAMDEN...CHERRY HILL...
MOORESTOWN...MOUNT HOLLY...HAMMONTON...ATLANTIC CITY...
WHARTON STATE FOREST...READING...ALLENTOWN...WEST CHESTER...
NORRISTOWN...DOYLESTOWN...MEDIA
741 PM EDT MON APR 16 2007

...WIND ADVISORY IS CANCELLED...

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

WINDS THROUGH THIS EVENING ARE EXPECTED TO RANGE FROM 15 TO 25
MPH WITH GUSTS UP TO AROUND 35 MPH...THEN WINDS SHOULD DIMINISH
SOMEWHAT OVERNIGHT. 

$$

MPD

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 16, 3:23 AM EDTHigh Wind WarningPHIBerks, Delaware, Lehigh, Philadelphia16 hr
Apr 16, 3:05 PM EDTCoastal Flood AdvisoryPHIMiddlesex, Monmouth, Ocean9 hr
Apr 16, 7:41 PM EDTWind AdvisoryPHICape May, Cumberland, Salem4 hr

Nearby

Wind Advisories in Pennsylvania, 2007Wind Advisories in New Jersey, 2007Every wind advisory in 2007

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.