Alert archive / New Jersey / Wind Advisories in 2025
Wind Advisory 15, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this wind advisory at Aug 20, 2025, 4:32 AM EDT for Atlantic County, Cape May County, Ocean County, New Jersey; Sussex County, Delaware. It took effect at Aug 21, 2025, 10:00 AM EDT. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Aug 20, 2025, 4:32 AM EDT (08:32 UTC)
- In effect from
- Aug 21, 2025, 10:00 AM EDT
- Expired
- Aug 21, 2025, 7:29 PM EDT
- In force
- 9 hr
- Issued by
- NWS Philadelphia/Mount Holly
Counties Sussex County, DE, Atlantic County, NJ, Cape May County, NJ, Ocean County, NJ
The radar
The Dover AFB radar (KDOX), 77 km from the middle of the area, began a volume at 08:32 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 00:00Z, 8.5 hours before the alert went out and 159 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 650 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 131 m²/s²
- 0-3 km storm-relative helicity
- 257 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
733 WWUS71 KPHI 200832 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 432 AM EDT Wed Aug 20 2025 DEZ004-NJZ024>026-202200- /O.NEW.KPHI.WI.Y.0015.250821T1400Z-250822T0400Z/ Delaware Beaches-Atlantic Coastal Cape May-Coastal Atlantic- Coastal Ocean- Including the cities of Long Beach Island, Ocean City, Rehoboth Beach, and Atlantic City 432 AM EDT Wed Aug 20 2025 ...WIND ADVISORY IN EFFECT FROM 10 AM THURSDAY TO MIDNIGHT EDT THURSDAY NIGHT... * WHAT...Northeast winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...In Delaware, Delaware Beaches County. In New Jersey, Atlantic Coastal Cape May, Coastal Atlantic, and Coastal Ocean Counties. * WHEN...From 10 AM Thursday to midnight EDT Thursday Night. * 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. && $$ Staarmann
4 follow-up statements
560 WWUS71 KPHI 201822 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 222 PM EDT Wed Aug 20 2025 DEZ004-NJZ024>026-211000- /O.CON.KPHI.WI.Y.0015.250821T1400Z-250822T0400Z/ Delaware Beaches-Atlantic Coastal Cape May-Coastal Atlantic- Coastal Ocean- Including the cities of Long Beach Island, Ocean City, Atlantic City, and Rehoboth Beach 222 PM EDT Wed Aug 20 2025 ...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM THURSDAY TO MIDNIGHT EDT THURSDAY NIGHT... * WHAT...Northeast winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...In Delaware, Delaware Beaches County. In New Jersey, Atlantic Coastal Cape May, Coastal Atlantic, and Coastal Ocean Counties. * WHEN...From 10 AM Thursday to midnight EDT Thursday Night. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. && $$ PO
410 WWUS71 KPHI 210715 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 315 AM EDT Thu Aug 21 2025 DEZ004-NJZ024>026-212100- /O.CON.KPHI.WI.Y.0015.250821T1400Z-250822T0400Z/ Delaware Beaches-Atlantic Coastal Cape May-Coastal Atlantic- Coastal Ocean- Including the cities of Rehoboth Beach, Atlantic City, Ocean City, and Long Beach Island 315 AM EDT Thu Aug 21 2025 ...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO MIDNIGHT EDT TONIGHT... * WHAT...Northeast winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...In Delaware, Delaware Beaches County. In New Jersey, Atlantic Coastal Cape May, Coastal Atlantic, and Coastal Ocean Counties. * WHEN...From 10 AM this morning to midnight EDT tonight. * 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. && $$ DeSilva
314 WWUS71 KPHI 211838 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 238 PM EDT Thu Aug 21 2025 DEZ004-NJZ024>026-220400- /O.CON.KPHI.WI.Y.0015.000000T0000Z-250822T0400Z/ Delaware Beaches-Atlantic Coastal Cape May-Coastal Atlantic- Coastal Ocean- Including the cities of Long Beach Island, Rehoboth Beach, Ocean City, and Atlantic City 238 PM EDT Thu Aug 21 2025 ...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... * WHAT...North winds 25 to 35 mph with gusts up to 45 mph. * WHERE...In Delaware, Delaware Beaches County. In New Jersey, Atlantic Coastal Cape May, Coastal Atlantic, and Coastal Ocean Counties. * WHEN...Until midnight EDT tonight. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. && $$ PO
518 WWUS71 KPHI 212329 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 729 PM EDT Thu Aug 21 2025 DEZ004-NJZ024>026-220030- /O.CAN.KPHI.WI.Y.0015.000000T0000Z-250822T0400Z/ Delaware Beaches-Atlantic Coastal Cape May-Coastal Atlantic- Coastal Ocean- Including the cities of Rehoboth Beach, Ocean City, Long Beach Island, and Atlantic City 729 PM EDT Thu Aug 21 2025 ...WIND ADVISORY IS CANCELLED... Wind gusts have decreased as Hurricane Erin pulls away from the coast, moving northeasterly. Therefore, the Wind Advisory is cancelled. $$ AKL
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 20, 4:30 AM EDT | Gale Warning | PHI | 42 hr | |
| Aug 20, 4:30 AM EDT | Tropical Storm Warning | PHI | 42 hr | |
| Aug 20, 6:26 AM EDT | Coastal Flood Warning | PHI | Atlantic, Burlington, Cape May, Cumberland, Middlesex, Monmouth and 1 more | 3 days |
| Aug 20, 4:15 PM EDT | Coastal Flood Advisory | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 4 more | 4 days |
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.