Weather alerts in New Jersey, December 2020

89 weather alerts in December 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.

Weather alerts by county

Each county as a circle sized by its count in December 2020. Tap one for its archive.

Alerts: 89
Warnings: 33
Watches: 13
Advisories: 35
Busiest day: December 25, 202027 alerts

Over time

By day

Days in UTC, the clock the archive keeps.

The alerts

Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.

Issued	Product	Office	Counties	Lasted
Nov 30, 7:48 PM EST	Coastal Flood Statement	PHI	Ocean	8 hr
Dec 1, 6:31 AM EST	River Flood Warning	PHI	Somerset	20 hr
Dec 1, 7:18 AM EST	River Flood Warning	PHI	Middlesex, Somerset	3 hr
Dec 1, 8:49 AM EST	Coastal Flood Statement	PHI	Ocean	7 hr
Dec 1, 12:26 PM EST	River Flood Warning	PHI	Morris	7 hr
Dec 1, 1:37 PM EST	Coastal Flood Advisory	PHI	Burlington, Camden, Gloucester, Mercer	2 hr
Dec 3, 3:35 AM EST	River Flood Warning	PHI	Essex, Morris, Passaic	11 hr
Dec 3, 3:06 PM EST	Gale Watch	PHI		12 hr
Dec 3, 11:53 PM EST	Small Craft Advisory	PHI		21 hr
Dec 4, 2:50 AM EST	Gale Warning	PHI		40 hr
Dec 4, 3:20 PM EST	Wind Advisory	PHI	Atlantic, Cape May, Monmouth, Ocean	24 hr
Dec 5, 3:11 PM EST	Small Craft Advisory	PHI		31 hr
Dec 7, 2:58 AM EST	Small Craft Advisory	PHI		45 hr
Dec 9, 12:27 AM EST	Small Craft Advisory	PHI		30 hr
Dec 10, 3:53 PM EST	Freezing Fog Advisory	PHI	Atlantic, Burlington, Camden, Cumberland, Gloucester, Hunterdon and 7 more	12 hr
Dec 11, 3:27 AM EST	Small Craft Advisory	PHI		16 hr
Dec 12, 6:19 PM EST	Dense Fog Advisory	PHI	Hunterdon, Morris, Somerset, Sussex, Warren	7 hr
Dec 12, 6:27 PM EST	Dense Fog Advisory	OKX	Bergen, Essex, Hudson, Passaic, Union	17 min
Dec 12, 6:44 PM EST	Dense Fog Advisory	OKX	Bergen, Essex, Hudson, Passaic, Union	3 hr
Dec 13, 12:03 AM EST	Dense Fog Advisory	OKX	Bergen, Essex, Passaic, Union	9 hr
Dec 13, 3:16 AM EST	Small Craft Advisory	PHI		55 hr
Dec 13, 7:15 PM EST	Winter Storm Watch	PHI	Burlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 6 more	44 hr
Dec 14, 2:49 PM EST	Coastal Flood Watch	PHI	Atlantic, Burlington, Cape May, Cumberland, Middlesex, Monmouth and 1 more	25 hr
Dec 14, 2:52 PM EST	Gale Watch	PHI		24 hr
Dec 14, 2:52 PM EST	Storm Watch	PHI		24 hr
Dec 14, 4:00 PM EST	Winter Storm Watch	OKX	Bergen, Essex, Hudson, Passaic, Union	36 hr
Dec 15, 3:17 AM EST	High Wind Watch	PHI	Atlantic, Cape May, Monmouth, Ocean	16 hr
Dec 15, 3:18 AM EST	Winter Storm Warning	PHI	Hunterdon, Mercer, Middlesex, Monmouth, Morris, Somerset and 2 more	51 hr
Dec 15, 3:19 PM EST	Gale Warning	PHI		42 hr
Dec 15, 3:19 PM EST	Storm Warning	PHI		38 hr
Dec 15, 3:27 PM EST	Coastal Flood Warning	PHI	Atlantic, Burlington, Cape May, Cumberland, Middlesex, Monmouth and 1 more	45 hr
Dec 15, 3:29 PM EST	Winter Weather Advisory	PHI	Burlington, Camden, Gloucester, Salem	43 hr
Dec 15, 3:40 PM EST	Winter Storm Warning	OKX	Bergen, Essex, Hudson, Passaic, Union	45 hr
Dec 15, 3:41 PM EST	Coastal Flood Advisory	OKX	Essex, Hudson, Union	37 hr
Dec 15, 7:03 PM EST	High Wind Warning	PHI	Atlantic, Cape May, Monmouth, Ocean	29 hr
Dec 15, 7:03 PM EST	Wind Advisory	PHI	Atlantic, Burlington, Cumberland, Monmouth, Ocean	34 hr
Dec 16, 1:32 PM EST	Coastal Flood Advisory	PHI	Cumberland, Salem	23 hr
Dec 16, 2:51 PM EST	Coastal Flood Advisory	OKX	Essex, Hudson, Union	23 hr
Dec 16, 5:31 PM EST	Special Weather Statement	OKX	Bergen, Essex, Hudson, Passaic, Union	74 min
Dec 16, 6:48 PM EST	Mesoscale Discussion	SPC	Bergen, Essex, Hudson, Hunterdon, Morris, Passaic and 4 more	5 hr
Dec 17, 9:33 AM EST	Small Craft Advisory	PHI		32 hr
Dec 17, 1:01 PM EST	Coastal Flood Statement	PHI	Ocean	4 hr
Dec 20, 9:05 PM EST	Freezing Fog Advisory	PHI	Atlantic, Burlington, Camden, Cumberland, Gloucester, Ocean and 1 more	9 hr
Dec 21, 3:22 AM EST	Small Craft Advisory	PHI		49 hr
Dec 22, 3:19 PM EST	Gale Watch	PHI		24 hr
Dec 22, 3:22 PM EST	Flood Watch	PHI	Hunterdon, Mercer, Middlesex, Morris, Somerset, Sussex and 1 more	66 hr
Dec 22, 3:49 PM EST	High Wind Watch	OKX	Hudson	23 hr
Dec 23, 3:56 AM EST	Storm Watch	PHI		11 hr
Dec 23, 4:11 AM EST	High Wind Watch	PHI	Atlantic, Burlington, Cape May, Monmouth, Ocean	11 hr
Dec 23, 2:43 PM EST	Flood Watch	OKX	Bergen, Essex, Hudson, Passaic, Union	43 hr
Dec 23, 2:55 PM EST	High Wind Warning	OKX	Bergen, Essex, Hudson, Passaic, Union	41 hr
Dec 23, 2:55 PM EST	Wind Advisory	OKX	Bergen, Essex, Passaic, Union	35 hr
Dec 23, 3:23 PM EST	High Wind Warning	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 3 more	38 hr
Dec 23, 3:23 PM EST	Wind Advisory	PHI	Burlington, Camden, Cumberland, Gloucester, Hunterdon, Mercer and 6 more	38 hr
Dec 23, 3:24 PM EST	Gale Warning	PHI		24 hr
Dec 23, 3:24 PM EST	Storm Warning	PHI		38 hr
Dec 24, 4:27 AM EST	Coastal Flood Advisory	OKX	Hudson	28 hr
Dec 24, 8:39 PM EST	Areal Flood Advisory	PHI	Cumberland, Gloucester, Salem	6 hr
Dec 24, 9:08 PM EST	Coastal Flood Advisory	PHI	Burlington, Camden	14 hr
Dec 24, 9:16 PM EST	Areal Flood Advisory	PHI	Hunterdon, Warren	3 hr
Dec 24, 9:38 PM EST	Areal Flood Warning	PHI	Camden	14 hr
Dec 24, 11:10 PM EST	Areal Flood Advisory	PHI	Burlington, Camden, Gloucester, Salem	4 hr
Dec 24, 11:48 PM EST	Areal Flood Warning	PHI	Hunterdon, Mercer, Morris, Somerset, Warren	15 hr
Dec 25, 12:00 AM EST	Areal Flood Warning	PHI	Middlesex, Somerset	6 hr
Dec 25, 12:03 AM EST	Coastal Flood Statement	PHI	Ocean	12 hr
Dec 25, 1:26 AM EST	Areal Flood Advisory	OKX	Bergen, Essex, Hudson, Passaic, Union	58 min
Dec 25, 1:37 AM EST	Areal Flood Advisory	PHI	Morris, Sussex, Warren	10 hr
Dec 25, 1:56 AM EST	Areal Flood Warning	PHI	Burlington, Camden	7 hr
Dec 25, 2:05 AM EST	River Flood Warning	PHI	Hunterdon, Somerset	4 hr
Dec 25, 2:07 AM EST	Areal Flood Warning	OKX	Bergen, Essex, Hudson, Passaic, Union	7 hr
Dec 25, 2:24 AM EST	Areal Flood Advisory	OKX	Passaic	5 hr
Dec 25, 2:53 AM EST	Special Weather Statement	OKX	Essex, Passaic, Union	52 min
Dec 25, 3:22 AM EST	Gale Warning	PHI		6 hr
Dec 25, 3:22 AM EST	Small Craft Advisory	PHI		51 hr
Dec 25, 5:43 AM EST	Areal Flood Advisory	PHI	Mercer, Middlesex, Somerset	3 hr
Dec 25, 7:25 AM EST	River Flood Warning	PHI	Morris, Passaic	37 hr
Dec 25, 10:55 AM EST	River Flood Warning	OKX	Bergen, Passaic	21 hr
Dec 25, 11:27 AM EST	Areal Flood Warning	PHI	Sussex, Warren	16 hr
Dec 25, 12:17 PM EST	River Flood Warning	PHI	Middlesex, Somerset	9 hr
Dec 25, 12:53 PM EST	Coastal Flood Statement	PHI	Burlington, Ocean	4 hr
Dec 25, 2:11 PM EST	River Flood Warning	PHI	Middlesex, Somerset	7 hr
Dec 25, 2:12 PM EST	River Flood Warning	PHI	Somerset	20 hr
Dec 25, 2:26 PM EST	River Flood Warning	PHI	Hunterdon, Somerset	3 hr
Dec 25, 6:25 PM EST	River Flood Warning	PHI	Morris	21 hr
Dec 26, 5:12 AM EST	River Flood Warning	PHI	Hunterdon, Warren	10 hr
Dec 26, 6:56 AM EST	River Flood Warning	PHI	Hunterdon, Mercer	9 hr
Dec 26, 9:01 PM EST	River Flood Warning	PHI	Essex, Morris, Passaic	23 hr
Dec 27, 3:42 PM EST	Small Craft Advisory	PHI		53 hr
Dec 30, 2:53 AM EST	Small Craft Advisory	PHI		34 hr

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

Product	Alerts
Severe storms
Mesoscale Discussion	1
Special Weather Statement	2
Flooding
Areal Flood Warning	6
River Flood Warning	15
Flood Watch	2
Areal Flood Advisory	7
Winter
Winter Storm Warning	2
Winter Storm Watch	2
Winter Weather Advisory	1
Wind and dust
High Wind Warning	3
High Wind Watch	3
Wind Advisory	4
Fog and smoke
Dense Fog Advisory	4
Freezing Fog Advisory	2
Coast and beach
Coastal Flood Warning	1
Coastal Flood Watch	1
Coastal Flood Advisory	6
Coastal Flood Statement	5
Marine
Gale Warning	4
Storm Warning	2
Gale Watch	3
Storm Watch	2
Small Craft Advisory	11

By county

Every county with at least one alert. A county page lists each alert that covered it.

Nearby

Alerts in force now Tornadoes on record The radar archive 2019 2021

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Rebuilt daily.