Weather alerts in New Jersey, April 2020

156 weather alerts in April 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 April 2020. Tap one for its archive.

Alerts: 156
Warnings: 59
Watches: 17
Advisories: 42
Busiest day: April 9, 202022 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
Apr 1, 3:33 AM EDT	Small Craft Advisory	PHI		5 days
Apr 2, 2:02 PM EDT	Gale Warning	PHI		4 hr
Apr 3, 4:57 AM EDT	Coastal Flood Watch	PHI	Atlantic, Cape May, Cumberland	10 hr
Apr 3, 8:55 AM EDT	Gale Warning	PHI		7 hr
Apr 3, 2:36 PM EDT	Coastal Flood Warning	PHI	Atlantic, Cape May	19 hr
Apr 3, 2:36 PM EDT	Coastal Flood Advisory	PHI	Burlington, Camden, Cumberland, Gloucester, Mercer, Middlesex and 3 more	23 hr
Apr 3, 4:04 PM EDT	Coastal Flood Advisory	OKX	Essex, Hudson, Union	18 hr
Apr 4, 9:58 AM EDT	Coastal Flood Statement	PHI	Ocean	4 hr
Apr 4, 5:16 PM EDT	Coastal Flood Statement	PHI	Ocean	22 hr
Apr 6, 3:46 PM EDT	Coastal Flood Statement	OKX	Hudson	43 hr
Apr 7, 4:25 PM EDT	Coastal Flood Statement	OKX	Essex, Union	34 hr
Apr 7, 4:25 PM EDT	Coastal Flood Advisory	OKX	Essex, Hudson, Union	34 hr
Apr 7, 9:30 PM EDT	Coastal Flood Advisory	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 4 more	33 hr
Apr 8, 2:30 AM EDT	Severe Thunderstorm Warning	PHI	Camden, Gloucester	30 min
Apr 8, 2:35 AM EDT	Special Weather Statement	PHI	Camden	25 min
Apr 8, 2:40 AM EDT	Special Weather Statement	PHI	Hunterdon	35 min
Apr 8, 2:51 AM EDT	Special Weather Statement	PHI	Cumberland	24 min
Apr 8, 2:58 AM EDT	Special Weather Statement	PHI	Burlington	32 min
Apr 8, 3:13 AM EDT	Special Weather Statement	PHI	Hunterdon, Mercer, Middlesex	32 min
Apr 8, 3:25 AM EDT	Special Weather Statement	PHI	Burlington, Ocean	35 min
Apr 8, 3:50 AM EDT	Gale Watch	PHI		24 hr
Apr 8, 4:21 AM EDT	Special Weather Statement	PHI	Cumberland	39 min
Apr 8, 4:52 AM EDT	Special Marine Warning	PHI		83 min
Apr 8, 4:56 AM EDT	Special Weather Statement	PHI	Atlantic, Cape May, Cumberland	64 min
Apr 8, 3:24 PM EDT	Gale Warning	PHI		58 hr
Apr 8, 3:39 PM EDT	Coastal Flood Advisory	OKX	Essex, Hudson, Union	22 hr
Apr 8, 3:44 PM EDT	Wind Advisory	OKX	Bergen, Essex, Hudson, Passaic, Union	28 hr
Apr 8, 7:19 PM EDT	Wind Advisory	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 10 more	24 hr
Apr 9, 9:57 AM EDT	Special Marine Warning	PHI		63 min
Apr 9, 10:56 AM EDT	Special Marine Warning	PHI		29 min
Apr 9, 11:09 AM EDT	Mesoscale Discussion	SPC	Atlantic, Bergen, Burlington, Camden, Cape May, Cumberland and 15 more	66 min
Apr 9, 12:01 PM EDT	Severe Thunderstorm Watch	SPC	Atlantic, Bergen, Burlington, Camden, Cape May, Cumberland and 13 more	4 hr
Apr 9, 12:05 PM EDT	Special Weather Statement	PHI	Warren	40 min
Apr 9, 12:52 PM EDT	Special Weather Statement	PHI	Hunterdon, Morris, Somerset, Sussex, Warren	23 min
Apr 9, 1:00 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Mercer, Middlesex, Morris, Somerset, Warren	45 min
Apr 9, 1:12 PM EDT	Severe Thunderstorm Warning	PHI	Camden, Gloucester, Salem	48 min
Apr 9, 1:14 PM EDT	Special Weather Statement	PHI	Morris	31 min
Apr 9, 1:18 PM EDT	Special Weather Statement	PHI	Cumberland	27 min
Apr 9, 1:23 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Mercer, Middlesex, Monmouth, Morris, Somerset	52 min
Apr 9, 1:26 PM EDT	Special Weather Statement	OKX	Essex, Hudson, Union	49 min
Apr 9, 1:30 PM EDT	Special Marine Warning	PHI		60 min
Apr 9, 1:33 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Camden, Gloucester, Mercer, Monmouth and 2 more	42 min
Apr 9, 1:34 PM EDT	Severe Thunderstorm Warning	OKX	Essex, Hudson, Union	41 min
Apr 9, 1:44 PM EDT	Special Marine Warning	PHI		61 min
Apr 9, 2:08 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Monmouth, Ocean	30 min
Apr 9, 2:13 PM EDT	Special Marine Warning	PHI		33 min
Apr 9, 2:40 PM EDT	Mesoscale Discussion	SPC	Cape May	65 min
Apr 9, 3:13 PM EDT	Coastal Flood Statement	PHI	Ocean	4 hr
Apr 9, 3:32 PM EDT	Wind Advisory	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 10 more	27 hr
Apr 9, 4:54 PM EDT	Coastal Flood Statement	OKX	Essex, Hudson, Union	9 hr
Apr 9, 11:44 PM EDT	Special Marine Warning	PHI		61 min
Apr 9, 11:49 PM EDT	Severe Thunderstorm Warning	PHI	Camden, Cumberland, Gloucester, Salem	41 min
Apr 10, 12:16 AM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 2 more	14 min
Apr 10, 12:18 AM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 2 more	57 min
Apr 10, 12:33 AM EDT	Special Marine Warning	PHI		57 min
Apr 10, 1:06 AM EDT	Special Marine Warning	PHI		54 min
Apr 10, 1:44 AM EDT	Special Marine Warning	PHI		61 min
Apr 10, 1:47 AM EDT	Severe Thunderstorm Warning	PHI	Monmouth, Ocean	13 min
Apr 10, 3:27 AM EDT	Special Weather Statement	PHI	Morris, Sussex	63 min
Apr 10, 3:33 AM EDT	Freeze Watch	PHI	Hunterdon, Morris, Somerset, Sussex, Warren	12 hr
Apr 10, 3:29 PM EDT	Freeze Warning	PHI	Hunterdon, Mercer, Morris, Somerset, Sussex, Warren	18 hr
Apr 10, 3:35 PM EDT	Fire Weather Watch	OKX	Bergen, Essex, Hudson, Passaic, Union	12 hr
Apr 10, 3:35 PM EDT	Freeze Warning	OKX	Passaic	17 hr
Apr 10, 3:43 PM EDT	Fire Weather Watch	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 10 more	12 hr
Apr 11, 1:35 AM EDT	Small Craft Advisory	PHI		17 hr
Apr 11, 3:57 AM EDT	Red Flag Warning	OKX	Bergen, Essex, Hudson, Passaic, Union	15 hr
Apr 11, 4:01 AM EDT	Red Flag Warning	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 10 more	15 hr
Apr 11, 3:30 PM EDT	Storm Watch	PHI		21 hr
Apr 11, 3:32 PM EDT	High Wind Watch	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 8 more	21 hr
Apr 11, 4:12 PM EDT	High Wind Watch	OKX	Bergen, Essex, Hudson, Passaic, Union	24 hr
Apr 12, 3:42 AM EDT	Small Craft Advisory	PHI		23 hr
Apr 12, 12:22 PM EDT	Storm Warning	PHI		30 hr
Apr 12, 12:25 PM EDT	High Wind Warning	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 5 more	29 hr
Apr 12, 12:25 PM EDT	Wind Advisory	PHI	Hunterdon, Morris, Somerset, Sussex, Warren	29 hr
Apr 12, 3:18 PM EDT	Coastal Flood Advisory	PHI	Burlington, Camden, Cumberland, Gloucester, Salem	30 hr
Apr 12, 3:54 PM EDT	High Wind Warning	OKX	Bergen, Essex, Hudson, Passaic, Union	27 hr
Apr 12, 3:54 PM EDT	Wind Advisory	OKX	Passaic	19 hr
Apr 12, 5:01 PM EDT	Coastal Flood Statement	OKX	Essex, Hudson, Union	25 hr
Apr 13, 3:43 AM EDT	Coastal Flood Statement	PHI	Ocean	17 hr
Apr 13, 6:17 AM EDT	Special Weather Statement	PHI	Gloucester, Salem	28 min
Apr 13, 6:48 AM EDT	Areal Flood Advisory	PHI	Burlington, Camden, Gloucester, Salem	4 hr
Apr 13, 8:03 AM EDT	Areal Flood Advisory	PHI	Burlington, Hunterdon, Mercer, Middlesex, Somerset	4 hr
Apr 13, 8:36 AM EDT	Areal Flood Advisory	PHI	Hunterdon, Middlesex, Morris, Somerset	4 hr
Apr 13, 9:35 AM EDT	Areal Flood Advisory	OKX	Bergen, Essex, Hudson, Passaic, Union	115 min
Apr 13, 10:29 AM EDT	Areal Flood Warning	PHI	Hunterdon, Somerset	7 hr
Apr 13, 10:34 AM EDT	Mesoscale Discussion	SPC	Salem	86 min
Apr 13, 11:33 AM EDT	Tornado Watch	SPC	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 10 more	5 hr
Apr 13, 1:01 PM EDT	Areal Flood Advisory	PHI	Sussex, Warren	4 hr
Apr 13, 1:20 PM EDT	Mesoscale Discussion	SPC	Burlington, Camden, Cumberland, Gloucester, Hunterdon, Mercer and 4 more	85 min
Apr 13, 2:37 PM EDT	Areal Flood Advisory	PHI	Hunterdon, Mercer	2 hr
Apr 13, 2:41 PM EDT	Severe Thunderstorm Warning	PHI	Gloucester, Salem	64 min
Apr 13, 2:42 PM EDT	Mesoscale Discussion	SPC	Bergen, Passaic, Sussex	93 min
Apr 13, 3:03 PM EDT	Mesoscale Discussion	SPC	Atlantic, Cape May, Cumberland, Gloucester, Salem	87 min
Apr 13, 3:40 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 2 more	65 min
Apr 13, 3:52 PM EDT	Special Marine Warning	PHI		23 min
Apr 13, 4:13 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Cape May, Cumberland	31 min
Apr 13, 4:56 PM EDT	Special Weather Statement	OKX	Essex, Hudson, Union	49 min
Apr 13, 5:08 PM EDT	Special Weather Statement	OKX	Passaic	52 min
Apr 13, 6:32 PM EDT	Small Craft Advisory	PHI		21 hr
Apr 13, 9:57 PM EDT	Areal Flood Warning	PHI	Somerset	2 hr
Apr 14, 3:34 PM EDT	Frost Advisory	PHI	Atlantic, Burlington, Camden, Cumberland, Gloucester, Hunterdon and 9 more	39 hr
Apr 15, 2:10 AM EDT	Small Craft Advisory	PHI		9 hr
Apr 15, 2:52 AM EDT	Freeze Watch	PHI	Atlantic, Burlington, Cumberland, Hunterdon, Mercer, Middlesex and 6 more	36 hr
Apr 15, 3:09 AM EDT	Small Craft Advisory	PHI		45 hr
Apr 15, 3:27 PM EDT	Freeze Watch	OKX	Bergen, Essex, Passaic, Union	24 hr
Apr 16, 3:19 PM EDT	Freeze Warning	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 10 more	18 hr
Apr 16, 3:20 PM EDT	Freeze Warning	OKX	Bergen, Essex, Passaic, Union	17 hr
Apr 17, 4:03 AM EDT	Small Craft Advisory	PHI		42 hr
Apr 18, 3:07 AM EDT	Frost Advisory	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 5 more	29 hr
Apr 18, 3:07 AM EDT	Freeze Warning	PHI	Atlantic, Burlington, Cumberland, Hunterdon, Morris, Ocean and 3 more	29 hr
Apr 18, 9:33 PM EDT	Small Craft Advisory	PHI		43 hr
Apr 19, 7:39 PM EDT	Small Craft Advisory	PHI		32 hr
Apr 20, 3:40 AM EDT	Gale Watch	PHI		12 hr
Apr 20, 3:40 AM EDT	Small Craft Advisory	PHI		12 hr
Apr 20, 3:51 PM EDT	Wind Advisory	OKX	Bergen, Essex, Hudson, Passaic, Union	30 hr
Apr 20, 4:04 PM EDT	Gale Warning	PHI		35 hr
Apr 21, 3:29 AM EDT	Freeze Warning	OKX	Bergen, Essex, Passaic, Union	29 hr
Apr 21, 3:34 AM EDT	Freeze Warning	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 10 more	28 hr
Apr 21, 11:44 AM EDT	Coastal Flood Statement	PHI	Ocean	5 hr
Apr 21, 12:23 PM EDT	Special Weather Statement	PHI	Monmouth	37 min
Apr 21, 12:23 PM EDT	Mesoscale Discussion	SPC	Atlantic, Burlington, Camden, Cumberland, Gloucester, Hunterdon and 8 more	2 hr
Apr 21, 1:04 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Warren	26 min
Apr 21, 1:27 PM EDT	Severe Thunderstorm Watch	SPC	Atlantic, Bergen, Burlington, Camden, Cape May, Cumberland and 13 more	3 hr
Apr 21, 1:28 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden, Hunterdon, Mercer, Middlesex, Morris and 1 more	32 min
Apr 21, 1:38 PM EDT	Special Weather Statement	PHI	Cumberland, Salem	52 min
Apr 21, 1:40 PM EDT	Special Weather Statement	OKX	Bergen, Essex, Passaic, Union	50 min
Apr 21, 1:49 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Camden, Cumberland, Gloucester, Salem	56 min
Apr 21, 1:56 PM EDT	Severe Thunderstorm Warning	OKX	Bergen, Essex, Hudson, Passaic, Union	34 min
Apr 21, 1:59 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden, Hunterdon, Mercer, Middlesex, Monmouth and 3 more	61 min
Apr 21, 2:04 PM EDT	Severe Thunderstorm Warning	PHI	Cumberland	56 min
Apr 21, 2:12 PM EDT	Severe Thunderstorm Warning	OKX	Bergen, Hudson, Passaic	48 min
Apr 21, 2:17 PM EDT	Special Marine Warning	PHI		58 min
Apr 21, 2:24 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 2 more	66 min
Apr 21, 2:55 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Monmouth, Ocean	35 min
Apr 21, 3:04 PM EDT	Special Marine Warning	PHI		116 min
Apr 22, 3:12 AM EDT	Small Craft Advisory	PHI		17 hr
Apr 22, 3:55 AM EDT	Freeze Warning	OKX	Bergen, Essex, Passaic, Union	29 hr
Apr 22, 3:03 PM EDT	Frost Advisory	PHI	Atlantic, Burlington, Camden, Cumberland, Gloucester, Salem	16 hr
Apr 22, 3:03 PM EDT	Freeze Warning	PHI	Hunterdon, Mercer, Middlesex, Monmouth, Morris, Ocean and 3 more	16 hr
Apr 23, 3:28 AM EDT	Small Craft Advisory	PHI		53 hr
Apr 25, 3:20 AM EDT	Dense Fog Advisory	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 10 more	3 hr
Apr 25, 3:23 PM EDT	Small Craft Advisory	PHI		57 hr
Apr 27, 3:12 PM EDT	Frost Advisory	PHI	Morris, Sussex, Warren	17 hr
Apr 27, 3:21 PM EDT	Frost Advisory	OKX	Bergen, Passaic	17 hr
Apr 28, 2:48 PM EDT	Gale Watch	PHI		24 hr
Apr 28, 2:48 PM EDT	Small Craft Advisory	PHI		39 hr
Apr 29, 3:14 AM EDT	Flood Watch	PHI	Burlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 5 more	48 hr
Apr 29, 3:46 AM EDT	Flood Watch	OKX	Bergen, Essex, Hudson, Passaic, Union	49 hr
Apr 29, 3:13 PM EDT	Gale Warning	PHI		33 hr
Apr 29, 3:15 PM EDT	Wind Advisory	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 5 more	29 hr
Apr 30, 4:00 AM EDT	High Wind Warning	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 3 more	16 hr
Apr 30, 4:16 AM EDT	Coastal Flood Advisory	PHI	Salem	22 hr
Apr 30, 10:20 AM EDT	Coastal Flood Statement	PHI	Ocean	25 hr
Apr 30, 10:20 AM EDT	Coastal Flood Advisory	PHI	Burlington, Camden, Gloucester	13 hr
Apr 30, 10:47 AM EDT	Wind Advisory	OKX	Bergen, Essex, Hudson, Union	12 hr
Apr 30, 6:36 PM EDT	Special Weather Statement	PHI	Atlantic, Cape May, Cumberland	54 min

By product

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

Product	Alerts
Severe storms
Severe Thunderstorm Warning	23
Severe Thunderstorm Watch	2
Tornado Watch	1
Mesoscale Discussion	7
Special Weather Statement	21
Flooding
Areal Flood Warning	2
Flood Watch	2
Areal Flood Advisory	6
Cold
Freeze Warning	9
Freeze Watch	3
Frost Advisory	5
Wind and dust
High Wind Warning	3
High Wind Watch	2
Wind Advisory	8
Fire
Red Flag Warning	2
Fire Weather Watch	2
Fog and smoke
Dense Fog Advisory	1
Coast and beach
Coastal Flood Warning	1
Coastal Flood Watch	1
Coastal Flood Advisory	8
Coastal Flood Statement	10
Marine
Gale Warning	5
Special Marine Warning	13
Storm Warning	1
Gale Watch	3
Storm Watch	1
Small Craft Advisory	14

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.