Alert archive / New Jersey / Wind Advisories in 2025
Wind Advisory 14, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this wind advisory at May 30, 2025, 9:04 PM EDT for Kent County, New Castle County, Sussex County, Delaware; 4 counties in Maryland; 8 counties in New Jersey. It took effect at May 31, 2025, 2:00 AM EDT. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- May 30, 2025, 9:04 PM EDT (01:04 UTC)
- In effect from
- May 31, 2025, 2:00 AM EDT
- Expired
- May 31, 2025, 6:43 AM EDT
- In force
- 5 hr
- Issued by
- NWS Philadelphia/Mount Holly
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, Ocean County, NJ, Salem County, NJ
The radar
The Dover AFB radar (KDOX), 57 km from the middle of the area, began a volume at 01:03 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, 1.1 hours before the alert went out and 156 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
- 490 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 821 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 84 m²/s²
- 0-3 km storm-relative helicity
- 105 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.9
The text
As transmitted.
225 WWUS71 KPHI 310104 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 904 PM EDT Fri May 30 2025 DEZ001>004-MDZ012-015-019-020-NJZ016>027-311200- /O.NEW.KPHI.WI.Y.0014.250531T0600Z-250531T1200Z/ New Castle-Kent-Inland Sussex-Delaware Beaches-Kent MD-Queen Annes-Talbot-Caroline-Salem-Gloucester-Camden-Northwestern Burlington-Ocean-Cumberland-Atlantic-Cape May-Atlantic Coastal Cape May-Coastal Atlantic-Coastal Ocean-Southeastern Burlington- Including the cities of Rehoboth Beach, Centreville, Wilmington, Cape May Court House, Hammonton, Dover, Wharton State Forest, Atlantic City, Cherry Hill, Mount Holly, Pennsville, Glassboro, Chestertown, Ocean City, Jackson, Long Beach Island, Camden, Denton, Easton, Moorestown, Millville, and Georgetown 904 PM EDT Fri May 30 2025 ...WIND ADVISORY IN EFFECT FROM 2 AM TO 8 AM EDT SATURDAY... * WHAT...West winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Portions of central, northern, and southern Delaware, northeast Maryland, and southern New Jersey. * WHEN...From 2 AM to 8 AM EDT Saturday. * 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. && $$ DeSilva
2 follow-up statements
552 WWUS71 KPHI 310704 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 304 AM EDT Sat May 31 2025 DEZ001>004-MDZ012-015-019-020-NJZ016>027-311200- /O.CON.KPHI.WI.Y.0014.000000T0000Z-250531T1200Z/ New Castle-Kent-Inland Sussex-Delaware Beaches-Kent MD-Queen Annes-Talbot-Caroline-Salem-Gloucester-Camden-Northwestern Burlington-Ocean-Cumberland-Atlantic-Cape May-Atlantic Coastal Cape May-Coastal Atlantic-Coastal Ocean-Southeastern Burlington- Including the cities of Georgetown, Centreville, Pennsville, Wilmington, Glassboro, Mount Holly, Camden, Long Beach Island, Rehoboth Beach, Wharton State Forest, Hammonton, Dover, Easton, Ocean City, Denton, Cape May Court House, Atlantic City, Cherry Hill, Jackson, Millville, Chestertown, and Moorestown 304 AM EDT Sat May 31 2025 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING... * WHAT...West winds 15 to 25 mph with gusts up to 50 mph. * WHERE...Portions of central, northern, and southern Delaware, northeast Maryland, and southern New Jersey. * WHEN...Until 8 AM EDT this morning. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. && $$ RCM
928 WWUS71 KPHI 311043 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 643 AM EDT Sat May 31 2025 DEZ001>004-MDZ012-015-019-020-NJZ016>027-311145- /O.CAN.KPHI.WI.Y.0014.000000T0000Z-250531T1200Z/ New Castle-Kent-Inland Sussex-Delaware Beaches-Kent MD-Queen Annes-Talbot-Caroline-Salem-Gloucester-Camden-Northwestern Burlington-Ocean-Cumberland-Atlantic-Cape May-Atlantic Coastal Cape May-Coastal Atlantic-Coastal Ocean-Southeastern Burlington- Including the cities of Georgetown, Centreville, Pennsville, Wilmington, Glassboro, Mount Holly, Camden, Long Beach Island, Rehoboth Beach, Wharton State Forest, Hammonton, Dover, Easton, Ocean City, Denton, Cape May Court House, Atlantic City, Cherry Hill, Jackson, Millville, Chestertown, and Moorestown 643 AM EDT Sat May 31 2025 ...WIND ADVISORY IS CANCELLED... The threat for wind gusts above 45 mph has ended. though gusts of 30-40 mph may still occur. $$ RCM
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 30, 10:26 PM EDT | Flash Flood Warning | PHI | New Castle | 4 hr |
| May 30, 10:26 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 49 min |
| May 30, 10:55 PM EDT | Tornado Warning | PHI | New Castle | 22 min |
| May 31, 1:17 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 43 min |
| May 31, 1:30 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 45 min |
| May 31, 1:42 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 48 min |
| May 31, 2:00 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 45 min |
| May 31, 2:26 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 49 min |
| May 30, 8:57 PM EDT | Tornado Warning | PHI | Kent, Queen Anne's | 33 min |
| May 30, 9:33 PM EDT | Tornado Warning | PHI | Kent, Queen Anne's | 27 min |
| May 30, 11:12 PM EDT | Flash Flood Warning | PHI | Gloucester, Salem | 3 hr |
| May 30, 11:36 PM EDT | Flash Flood Warning | PHI | Burlington, Camden, Gloucester | 4 hr |
| May 31, 12:34 AM EDT | Flash Flood Warning | PHI | Burlington, Mercer | 3 hr |
| May 31, 4:00 AM EDT | Areal Flood Warning | PHI | Morris, Sussex, Warren | 9 hr |
| May 31, 4:19 AM EDT | Areal Flood Warning | PHI | Hunterdon | 6 hr |
| May 31, 5:13 AM EDT | Areal Flood Warning | PHI | Somerset | 97 min |
| May 31, 8:46 AM EDT | Areal Flood Warning | PHI | Somerset | 7 hr |
| May 31, 2:12 PM EDT | Special Marine Warning | PHI | 63 min | |
| May 31, 3:10 PM EDT | Special Marine Warning | PHI | 65 min | |
| May 31, 3:14 PM EDT | Severe Thunderstorm Warning | PHI | Cape May | 16 min |
| May 31, 4:51 PM EDT | Special Marine Warning | PHI | 84 min | |
| May 31, 5:04 PM EDT | Severe Thunderstorm Warning | PHI | Cumberland, Gloucester, Salem | 41 min |
| May 31, 6:20 PM EDT | River Flood Warning | PHI | Morris | 12 hr |
Nearby
Wind Advisories in New Jersey, 2025Wind Advisories in Maryland, 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.