Alert archive / New Jersey / Winter Weather Advisories in 2025

Winter Weather Advisory 4, NWS Philadelphia/Mount Holly

January 18, 20259 counties in New Jersey; 4 counties in Pennsylvania; New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this winter weather advisory at Jan 18, 2025, 2:49 PM EST for 9 counties in New Jersey; 4 counties in Pennsylvania; New Castle County, Delaware. It took effect at Jan 19, 2025, 7:00 AM EST. It was in force for 17 hr.

The area

The counties it named.

The facts

Issued
Jan 18, 2025, 2:49 PM EST (19:49 UTC)
In effect from
Jan 19, 2025, 7:00 AM EST
Expired
Jan 19, 2025, 11:57 PM EST
In force
17 hr
Issued by
NWS Philadelphia/Mount Holly

Counties New Castle County, DE, Burlington County, NJ, Camden County, NJ, Gloucester County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Ocean County, NJ, Salem County, NJ, Somerset County, NJ, Bucks County, PA, Delaware County, PA, Montgomery County, PA, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 45 km from the middle of the area, began a volume at 19:52 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.

What forecasters said that day

The local office's own words before this winter weather advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Philadelphia/Mount Holly wrote its last area forecast discussion before this winter weather advisory went out at Jan 18, 1:21 PM EST, 1 hour 28 minutes earlier.

Area forecast discussion, Jan 18, 1:21 PM EST, 1 hour 28 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jan 18, 2:33 AM ESTGale WatchPHI13 hr
Jan 18, 2:49 PM ESTWinter Storm WarningPHIHunterdon, Mercer, Morris, Somerset, Sussex, Warren33 hr
Jan 18, 3:09 PM ESTGale WarningPHI39 hr

Nearby

Winter Weather Advisories in New Jersey, 2025Winter Weather Advisories in Pennsylvania, 2025Winter Weather Advisories in Delaware, 2025Every winter weather 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; radar from the NEXRAD Level II archive.