Alert archive / New Jersey / Wind Advisories in 2025

Wind Advisory 16, NWS Philadelphia/Mount Holly

September 16, 2025Sussex County, Delaware; Atlantic County, Cape May County, New Jersey

NWS Philadelphia/Mount Holly issued this wind advisory at Sep 16, 2025, 3:01 PM EDT for Sussex County, Delaware; Atlantic County, Cape May County, New Jersey. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Sep 16, 2025, 3:01 PM EDT (19:01 UTC)
Expired
Sep 16, 2025, 7:51 PM EDT
In force
5 hr
Issued by
NWS Philadelphia/Mount Holly

Counties Sussex County, DE, Atlantic County, NJ, Cape May County, NJ

The radar

The Dover AFB radar (KDOX), 52 km from the middle of the area, began a volume at 19:02 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, 7.0 hours before the alert went out and 134 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 2025-09-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 12 joules per kilogram.LCLEL10008507005003002001001 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 2025-09-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -36 square meters per square second.193958Sfc1 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
12 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
445 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
-36 m²/s²
0-3 km storm-relative helicity
231 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

610 
WWUS71 KPHI 161901
NPWPHI

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
301 PM EDT Tue Sep 16 2025

DEZ004-NJZ023>025-170000-
/O.NEW.KPHI.WI.Y.0016.250916T1901Z-250917T0000Z/
Delaware Beaches-Cape May-Atlantic Coastal Cape May-Coastal
Atlantic-
Including the cities of Cape May Court House, Atlantic City,
Rehoboth Beach, and Ocean City
301 PM EDT Tue Sep 16 2025

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

* WHAT...Northeast winds 20 to 30 mph with gusts up to 50 mph.

* WHERE...In Delaware, Delaware Beaches County. In New Jersey, 
  Atlantic Coastal Cape May, Cape May, and Coastal Atlantic Counties.

* 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.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Secure outdoor objects.

&&

$$

MPS
1 follow-up statement
647 
WWUS71 KPHI 162351
NPWPHI

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
751 PM EDT Tue Sep 16 2025

DEZ004-NJZ023>025-170100-
/O.CAN.KPHI.WI.Y.0016.000000T0000Z-250917T0000Z/
Delaware Beaches-Cape May-Atlantic Coastal Cape May-Coastal
Atlantic-
Including the cities of Cape May Court House, Atlantic City,
Rehoboth Beach, and Ocean City
751 PM EDT Tue Sep 16 2025

...WIND ADVISORY IS CANCELLED...

Winds and wind gusts have diminished. Thus, the Wind Advisory will 
be allowed to expire.

$$

Hoeflich

Nearby

Wind Advisories in New Jersey, 2025Wind Advisories in Delaware, 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.