Weather alerts in New Jersey, April 2023

120 weather alerts in April 2023, 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 2023. Tap one for its archive.

Alerts: 120
Warnings: 53
Watches: 7
Advisories: 37
Busiest day: April 1, 202324 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, 4:37 PM EDT	Mesoscale Discussion	SPC	Atlantic, Bergen, Burlington, Camden, Cape May, Cumberland and 15 more	113 min
Apr 1, 5:16 PM EDT	Severe Thunderstorm Watch	SPC	Bergen, Essex, Hudson, Passaic, Union	3 hr
Apr 1, 5:30 PM EDT	Tornado Watch	SPC	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 10 more	5 hr
Apr 1, 5:53 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Morris, Warren	67 min
Apr 1, 6:18 PM EDT	Special Weather Statement	OKX	Bergen, Essex, Hudson, Passaic, Union	57 min
Apr 1, 6:18 PM EDT	Special Marine Warning	PHI		87 min
Apr 1, 6:18 PM EDT	Special Weather Statement	PHI	Morris	42 min
Apr 1, 6:31 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Mercer, Middlesex, Morris, Somerset	44 min
Apr 1, 6:37 PM EDT	Severe Thunderstorm Warning Considerable damage threat	PHI	Burlington, Camden, Gloucester, Mercer, Middlesex, Monmouth	53 min
Apr 1, 6:39 PM EDT	Severe Thunderstorm Warning Considerable damage threat	PHI	Cumberland, Gloucester, Salem	51 min
Apr 1, 6:45 PM EDT	Tornado Warning	PHI	Burlington, Mercer	30 min
Apr 1, 6:55 PM EDT	Mesoscale Discussion	SPC	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 4 more	95 min
Apr 1, 6:57 PM EDT	Tornado Warning	PHI	Burlington, Camden	33 min
Apr 1, 7:05 PM EDT	Special Marine Warning	PHI		55 min
Apr 1, 7:07 PM EDT	Tornado Warning	PHI	Burlington, Mercer, Monmouth, Ocean	38 min
Apr 1, 7:11 PM EDT	Severe Thunderstorm Warning Considerable damage threat	PHI	Atlantic, Burlington, Camden, Gloucester, Mercer, Middlesex and 2 more	64 min
Apr 1, 7:22 PM EDT	Special Weather Statement	OKX	Hudson, Union	38 min
Apr 1, 7:24 PM EDT	Severe Thunderstorm Warning Considerable damage threat	PHI	Atlantic, Cape May, Cumberland, Gloucester, Salem	51 min
Apr 1, 7:26 PM EDT	Special Marine Warning	PHI		64 min
Apr 1, 7:27 PM EDT	Special Marine Warning	PHI		93 min
Apr 1, 7:31 PM EDT	Tornado Warning	PHI	Monmouth, Ocean	29 min
Apr 1, 7:33 PM EDT	Tornado Warning	PHI	Burlington, Ocean	27 min
Apr 1, 7:47 PM EDT	Special Marine Warning	PHI		88 min
Apr 1, 7:52 PM EDT	Severe Thunderstorm Warning Considerable damage threat	PHI	Atlantic, Burlington, Cape May, Cumberland, Ocean	38 min
Apr 1, 8:10 PM EDT	Special Marine Warning	PHI		65 min
Apr 2, 11:03 AM EDT	Small Craft Advisory	PHI		7 hr
Apr 2, 11:40 AM EDT	Frost Advisory	PHI	Atlantic, Camden, Cape May, Cumberland, Gloucester, Middlesex and 3 more	21 hr
Apr 2, 11:40 AM EDT	Freeze Warning	PHI	Burlington, Mercer	21 hr
Apr 2, 3:39 PM EDT	Frost Advisory	OKX	Essex, Hudson, Union	16 hr
Apr 2, 6:01 PM EDT	Small Craft Advisory	PHI		28 hr
Apr 5, 12:30 AM EDT	Marine Dense Fog Advisory	PHI		33 hr
Apr 5, 3:16 AM EDT	Small Craft Advisory	PHI		26 hr
Apr 6, 2:00 PM EDT	Mesoscale Discussion	SPC	Atlantic, Cape May, Cumberland, Gloucester, Salem	90 min
Apr 6, 2:58 PM EDT	Severe Thunderstorm Watch	SPC	Atlantic, Cape May, Cumberland, Salem	7 hr
Apr 6, 6:08 PM EDT	Mesoscale Discussion	SPC	Atlantic, Cape May, Cumberland, Salem	2 hr
Apr 6, 8:27 PM EDT	Mesoscale Discussion	SPC	Atlantic, Cape May, Cumberland, Salem	93 min
Apr 6, 8:38 PM EDT	Special Marine Warning	PHI		37 min
Apr 6, 8:49 PM EDT	Special Marine Warning	PHI		56 min
Apr 6, 9:25 PM EDT	Special Marine Warning	PHI		65 min
Apr 7, 8:09 PM EDT	Freeze Watch	PHI	Atlantic, Burlington, Cumberland, Mercer, Middlesex, Monmouth and 1 more	7 hr
Apr 8, 3:31 AM EDT	Frost Advisory	PHI	Camden, Cape May, Gloucester, Salem	29 hr
Apr 8, 3:31 AM EDT	Freeze Warning	PHI	Atlantic, Burlington, Cumberland, Mercer, Middlesex, Monmouth and 2 more	29 hr
Apr 8, 3:34 PM EDT	Small Craft Advisory	PHI		48 hr
Apr 9, 9:10 AM EDT	Frost Advisory	PHI	Monmouth	24 hr
Apr 9, 9:10 AM EDT	Freeze Warning	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 5 more	24 hr
Apr 11, 2:48 AM EDT	Small Craft Advisory	PHI		24 hr
Apr 15, 4:29 AM EDT	Marine Dense Fog Advisory	PHI		54 hr
Apr 15, 1:09 PM EDT	Special Weather Statement	PHI	Sussex	36 min
Apr 15, 1:34 PM EDT	Severe Thunderstorm Warning	PHI	Warren	26 min
Apr 15, 1:49 PM EDT	Severe Thunderstorm Warning	PHI	Sussex	26 min
Apr 15, 1:55 PM EDT	Areal Flood Advisory	PHI	Sussex	6 hr
Apr 15, 1:58 PM EDT	Severe Thunderstorm Warning	PHI	Warren	32 min
Apr 15, 2:06 PM EDT	Areal Flood Advisory	PHI	Mercer, Middlesex, Somerset	6 hr
Apr 15, 3:28 PM EDT	Areal Flood Advisory	PHI	Hunterdon, Morris, Sussex, Warren	3 hr
Apr 15, 3:29 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Camden, Gloucester	31 min
Apr 15, 3:58 PM EDT	Areal Flood Advisory	PHI	Burlington, Camden, Gloucester	3 hr
Apr 15, 4:05 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Mercer	25 min
Apr 15, 4:19 PM EDT	Flash Flood Warning	PHI	Burlington, Camden	3 hr
Apr 15, 4:49 PM EDT	Severe Thunderstorm Warning	PHI	Mercer, Middlesex, Somerset	26 min
Apr 15, 4:56 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon	14 min
Apr 15, 6:05 PM EDT	Areal Flood Advisory	PHI	Hunterdon, Mercer, Somerset	96 min
Apr 15, 6:32 PM EDT	Areal Flood Warning	PHI	Hunterdon	5 hr
Apr 15, 6:54 PM EDT	Special Weather Statement	OKX	Bergen	36 min
Apr 15, 7:20 PM EDT	Special Weather Statement	OKX	Bergen	40 min
Apr 16, 3:47 AM EDT	Dense Fog Advisory	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 3 more	7 hr
Apr 17, 4:10 AM EDT	Small Craft Advisory	PHI		46 hr
Apr 18, 3:19 AM EDT	Red Flag Warning	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 3 more	16 hr
Apr 19, 3:43 AM EDT	Red Flag Warning	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 10 more	16 hr
Apr 19, 3:53 AM EDT	Red Flag Warning	OKX	Bergen, Essex, Hudson, Passaic, Union	16 hr
Apr 21, 6:24 PM EDT	Marine Dense Fog Advisory	PHI		16 hr
Apr 22, 3:23 AM EDT	Small Craft Advisory	PHI		17 hr
Apr 22, 2:47 PM EDT	Mesoscale Discussion	SPC	Atlantic, Burlington, Camden, Cape May, Cumberland, Essex and 11 more	118 min
Apr 22, 3:04 PM EDT	Severe Thunderstorm Watch	SPC	Burlington, Camden, Cumberland, Gloucester, Hunterdon, Mercer and 3 more	5 hr
Apr 22, 4:46 PM EDT	Special Marine Warning	PHI		59 min
Apr 22, 4:52 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Sussex, Warren	38 min
Apr 22, 5:36 PM EDT	Special Marine Warning	PHI		54 min
Apr 22, 6:11 PM EDT	Severe Thunderstorm Warning	PHI	Sussex, Warren	49 min
Apr 22, 6:11 PM EDT	Mesoscale Discussion	SPC	Atlantic, Bergen, Burlington, Camden, Cape May, Cumberland and 15 more	64 min
Apr 22, 6:19 PM EDT	Special Weather Statement	PHI	Hunterdon	26 min
Apr 22, 6:21 PM EDT	Mesoscale Discussion	SPC	Sussex	54 min
Apr 22, 6:32 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden, Hunterdon, Mercer	28 min
Apr 22, 6:51 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden	39 min
Apr 22, 7:11 PM EDT	Severe Thunderstorm Warning	PHI	Sussex	12 min
Apr 22, 7:15 PM EDT	Special Weather Statement	PHI	Morris	30 min
Apr 22, 7:24 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Morris, Somerset, Sussex, Warren	16 min
Apr 22, 7:52 PM EDT	Special Weather Statement	PHI	Atlantic, Burlington, Mercer, Middlesex, Monmouth, Morris and 3 more	53 min
Apr 22, 8:07 PM EDT	Special Weather Statement	OKX	Passaic	53 min
Apr 22, 8:07 PM EDT	Severe Thunderstorm Warning	PHI	Morris, Sussex	23 min
Apr 22, 8:16 PM EDT	Severe Thunderstorm Warning	PHI	Middlesex, Monmouth, Ocean	33 min
Apr 22, 8:26 PM EDT	Severe Thunderstorm Warning	OKX	Passaic	49 min
Apr 22, 8:29 PM EDT	Severe Thunderstorm Warning	PHI	Morris	19 min
Apr 22, 8:41 PM EDT	Special Weather Statement	OKX	Essex, Union	49 min
Apr 22, 8:46 PM EDT	Special Weather Statement	PHI	Monmouth, Ocean	59 min
Apr 22, 9:03 PM EDT	Areal Flood Advisory	OKX	Bergen, Essex, Hudson, Passaic, Union	3 hr
Apr 22, 9:23 PM EDT	Special Weather Statement	OKX	Bergen, Essex, Hudson, Passaic, Union	52 min
Apr 22, 9:23 PM EDT	Special Marine Warning	PHI		67 min
Apr 22, 10:22 PM EDT	Areal Flood Advisory	OKX	Bergen	113 min
Apr 24, 4:13 AM EDT	Frost Advisory	OKX	Passaic	29 hr
Apr 24, 2:18 PM EDT	Frost Advisory	PHI	Sussex, Warren	18 hr
Apr 25, 3:08 PM EDT	Frost Advisory	PHI	Sussex, Warren	16 hr
Apr 25, 3:36 PM EDT	Frost Advisory	OKX	Bergen, Passaic	17 hr
Apr 27, 1:02 PM EDT	Gale Warning	PHI		51 hr
Apr 27, 1:02 PM EDT	Small Craft Advisory	PHI		26 hr
Apr 29, 3:52 AM EDT	Small Craft Advisory	PHI		4 days
Apr 29, 5:55 AM EDT	Areal Flood Advisory	PHI	Monmouth, Ocean	46 min
Apr 29, 6:07 AM EDT	Special Weather Statement	PHI	Monmouth, Ocean	38 min
Apr 29, 6:41 AM EDT	Areal Flood Warning	PHI	Monmouth, Ocean	8 hr
Apr 29, 3:46 PM EDT	Flood Watch	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 10 more	30 hr
Apr 29, 7:31 PM EDT	Coastal Flood Advisory	PHI	Ocean	44 hr
Apr 30, 3:00 AM EDT	Flood Watch	OKX	Bergen, Essex, Hudson, Passaic, Union	21 hr
Apr 30, 7:38 AM EDT	Marine Dense Fog Advisory	PHI		4 hr
Apr 30, 2:05 PM EDT	Areal Flood Advisory	PHI	Atlantic, Cape May, Cumberland	3 hr
Apr 30, 3:43 PM EDT	Special Weather Statement	PHI	Cumberland	32 min
Apr 30, 3:48 PM EDT	Areal Flood Advisory	PHI	Atlantic, Burlington, Camden, Gloucester, Ocean	110 min
Apr 30, 4:00 PM EDT	Areal Flood Advisory	PHI	Mercer, Middlesex, Monmouth	3 hr
Apr 30, 5:10 PM EDT	Areal Flood Advisory	OKX	Bergen, Essex, Hudson, Passaic, Union	2 hr
Apr 30, 5:52 PM EDT	Areal Flood Advisory	OKX	Bergen	83 min
Apr 30, 7:08 PM EDT	Special Marine Warning	PHI		52 min
Apr 30, 7:42 PM EDT	Areal Flood Advisory	OKX	Bergen	5 hr
Apr 30, 7:49 PM EDT	Special Marine Warning	PHI		41 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	24
Tornado Warning	5
Severe Thunderstorm Watch	3
Tornado Watch	1
Mesoscale Discussion	8
Special Weather Statement	15
Flooding
Areal Flood Warning	2
Flash Flood Warning	1
Flood Watch	2
Areal Flood Advisory	14
Cold
Freeze Warning	3
Freeze Watch	1
Frost Advisory	8
Fire
Red Flag Warning	3
Fog and smoke
Dense Fog Advisory	1
Coast and beach
Coastal Flood Advisory	1
Marine
Gale Warning	1
Special Marine Warning	14
Marine Dense Fog Advisory	4
Small Craft Advisory	9

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 2022 2024

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. Warning verification from the Mesonet's Cow. Rebuilt daily.