Alert archive / New Jersey / Wind Advisories in 2025

Wind Advisory 12, NWS Philadelphia/Mount Holly

April 15, 20254 states

NWS Philadelphia/Mount Holly issued this wind advisory at Apr 15, 2025, 1:09 PM EDT for 4 states. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Apr 15, 2025, 1:09 PM EDT (17:09 UTC)
Expired
Apr 15, 2025, 8:00 PM EDT
In force
7 hr
Issued by
NWS Philadelphia/Mount Holly
All 33 counties

Kent County, DE, New Castle County, DE, Sussex County, DE, Caroline 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, Hunterdon County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Morris County, NJ, Ocean County, NJ, Salem County, NJ, Somerset County, NJ, Sussex County, NJ, Warren County, NJ, Berks County, PA, Bucks County, PA, Carbon County, PA, Chester County, PA, Delaware County, PA, Lehigh County, PA, Monroe County, PA, Montgomery County, PA, Northampton County, PA, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 67 km from the middle of the area, began a volume at 17:12 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 12:00Z, 5.2 hours before the alert went out and 220 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 12:00Z on 2025-04-15Temperature 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 12:00Z on 2025-04-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 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
1029 m above ground
0-6 km bulk shear
72 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
128 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

627 
WWUS71 KPHI 151709
NPWPHI

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
109 PM EDT Tue Apr 15 2025

DEZ001>004-MDZ012-015-019-020-NJZ001-007>010-012>027-PAZ054-055-
060>062-070-071-101>106-160000-
/O.NEW.KPHI.WI.Y.0012.250415T1709Z-250416T0000Z/
New Castle-Kent-Inland Sussex-Delaware Beaches-Kent MD-Queen
Annes-Talbot-Caroline-Sussex-Warren-Morris-Hunterdon-Somerset-
Middlesex-Western Monmouth-Eastern Monmouth-Mercer-Salem-
Gloucester-Camden-Northwestern Burlington-Ocean-Cumberland-
Atlantic-Cape May-Atlantic Coastal Cape May-Coastal Atlantic-
Coastal Ocean-Southeastern Burlington-Carbon-Monroe-Berks-Lehigh-
Northampton-Delaware-Philadelphia-Western Chester-Eastern Chester-
Western Montgomery-Eastern Montgomery-Upper Bucks-Lower Bucks-
Including the cities of Norristown, Rehoboth Beach, Hammonton,
Flemington, Newton, Stroudsburg, Pennsville, Pottstown, Perkasie,
Trenton, Doylestown, Reading, Oxford, New Brunswick, Freehold,
Centreville, Jim Thorpe, Media, Dover, Denton, Jackson,
Collegeville, Morristown, Easton, Atlantic City, Millville, West
Chester, Morrisville, Cherry Hill, Washington, Moorestown,
Bethlehem, Allentown, Sandy Hook, Chalfont, Mount Holly, Camden,
Philadelphia, Honey Brook, Georgetown, Lansdale, Chestertown,
Long Beach Island, Cape May Court House, Glassboro, Somerville,
Wharton State Forest, Wilmington, Ocean City, and Kennett Square
109 PM EDT Tue Apr 15 2025

...WIND ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...

* WHAT...West winds 15 to 30 mph with gusts up to 50 mph.

* WHERE...Portions of central, northern, and southern Delaware, 
  northeast Maryland, central, northern, northwest, and southern New 
  Jersey, and east central, northeast, and southeast Pennsylvania.

* WHEN...Until 8 PM EDT this evening.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree 
  limbs could be blown down and a few power outages may result.

* ADDITIONAL DETAILS...Strongest winds may occur with scattered 
  showers and isolated thunderstorms.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds this strong can make driving difficult, especially for high 
profile vehicles. Use extra caution.

Secure outdoor objects.

&&

$$

RCM
1 follow-up statement
456 
WWUS71 KPHI 152355
NPWPHI

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
755 PM EDT Tue Apr 15 2025

DEZ001>004-MDZ012-015-019-020-NJZ001-007>010-012>027-PAZ054-055-
060>062-070-071-101>106-160100-
/O.EXP.KPHI.WI.Y.0012.000000T0000Z-250416T0000Z/
New Castle-Kent-Inland Sussex-Delaware Beaches-Kent MD-Queen
Annes-Talbot-Caroline-Sussex-Warren-Morris-Hunterdon-Somerset-
Middlesex-Western Monmouth-Eastern Monmouth-Mercer-Salem-
Gloucester-Camden-Northwestern Burlington-Ocean-Cumberland-
Atlantic-Cape May-Atlantic Coastal Cape May-Coastal Atlantic-
Coastal Ocean-Southeastern Burlington-Carbon-Monroe-Berks-Lehigh-
Northampton-Delaware-Philadelphia-Western Chester-Eastern Chester-
Western Montgomery-Eastern Montgomery-Upper Bucks-Lower Bucks-
Including the cities of Honey Brook, Perkasie, West Chester,
Ocean City, Denton, Mount Holly, Freehold, Chestertown,
Glassboro, Morrisville, Doylestown, Wilmington, Norristown, Sandy
Hook, New Brunswick, Chalfont, Pennsville, Media, Easton, Newton,
Pottstown, Millville, Reading, Centreville, Morristown, Jim
Thorpe, Kennett Square, Collegeville, Rehoboth Beach, Jackson,
Washington, Cherry Hill, Dover, Camden, Atlantic City,
Georgetown, Lansdale, Cape May Court House, Philadelphia,
Stroudsburg, Oxford, Moorestown, Wharton State Forest, Bethlehem,
Somerville, Long Beach Island, Allentown, Hammonton, Trenton, and
Flemington
755 PM EDT Tue Apr 15 2025

...WIND ADVISORY WILL EXPIRE AT 8 PM EDT THIS EVENING...

Winds are diminishing below the advisory level threshold. 

$$

Fitzsimmons

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 15, 3:07 PM EDTSevere Thunderstorm WarningPHIBerks, Lehigh53 min
Apr 15, 3:56 PM EDTSevere Thunderstorm WarningPHIBerks, Bucks, Chester, Delaware, Lehigh, Montgomery and 1 more49 min
Apr 15, 4:07 PM EDTSevere Thunderstorm WarningPHIMonroe53 min
Apr 15, 1:15 PM EDTGale WarningPHI11 hr
Apr 15, 4:58 PM EDTSevere Thunderstorm WarningPHIMorris, Sussex39 min

Nearby

Wind Advisories in New Jersey, 2025Wind Advisories in Pennsylvania, 2025Wind Advisories in Maryland, 2025Every wind advisory in 2025

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.