Weather alerts in New Jersey, April 2021

72 weather alerts in April 2021, 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 2021. Tap one for its archive.

Alerts: 72
Warnings: 31
Watches: 11
Advisories: 11
Busiest day: April 21, 202130 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, 3:28 AM EDT	Freeze Watch	OKX	Essex, Hudson, Union	12 hr
Apr 1, 3:18 PM EDT	Freeze Watch	OKX	Essex, Hudson, Union	24 hr
Apr 1, 3:18 PM EDT	Freeze Warning	OKX	Essex, Hudson, Union	19 hr
Apr 2, 3:28 PM EDT	Freeze Warning	OKX	Essex, Hudson, Union	19 hr
Apr 10, 3:22 AM EDT	Areal Flood Advisory	PHI	Burlington, Camden, Gloucester, Salem	2 hr
Apr 10, 3:44 AM EDT	Special Weather Statement	PHI	Gloucester	46 min
Apr 10, 4:42 AM EDT	Special Weather Statement	PHI	Gloucester	48 min
Apr 10, 4:00 PM EDT	Small Craft Advisory	PHI		3 days
Apr 10, 10:56 PM EDT	Marine Dense Fog Advisory	PHI		10 hr
Apr 12, 1:12 AM EDT	Areal Flood Advisory	PHI	Burlington, Camden, Gloucester	67 min
Apr 15, 3:26 AM EDT	Small Craft Advisory	PHI		51 hr
Apr 20, 3:19 AM EDT	Gale Watch	PHI		12 hr
Apr 20, 3:19 AM EDT	Small Craft Advisory	PHI		36 hr
Apr 20, 3:23 PM EDT	Gale Warning	PHI		52 hr
Apr 20, 8:48 PM EDT	Freeze Watch	OKX	Passaic	7 hr
Apr 20, 8:48 PM EDT	Freeze Watch	PHI	Hunterdon, Morris, Somerset, Sussex, Warren	7 hr
Apr 21, 3:26 AM EDT	Freeze Warning	PHI	Hunterdon, Morris, Somerset, Sussex, Warren	30 hr
Apr 21, 3:41 AM EDT	Freeze Warning	OKX	Bergen, Passaic	29 hr
Apr 21, 11:49 AM EDT	Mesoscale Discussion	SPC	Bergen, Burlington, Camden, Essex, Hudson, Hunterdon and 10 more	2 hr
Apr 21, 12:22 PM EDT	Mesoscale Discussion	SPC	Cape May, Cumberland, Salem	113 min
Apr 21, 12:25 PM EDT	Severe Thunderstorm Warning	PHI	Warren	50 min
Apr 21, 12:28 PM EDT	Severe Thunderstorm Watch	SPC	Atlantic, Bergen, Burlington, Camden, Cape May, Cumberland and 15 more	5 hr
Apr 21, 12:51 PM EDT	Severe Thunderstorm Warning	PHI	Sussex, Warren	21 min
Apr 21, 12:55 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Warren	27 min
Apr 21, 1:10 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden, Gloucester, Mercer, Salem	50 min
Apr 21, 1:17 PM EDT	Special Weather Statement	PHI	Hunterdon, Morris, Somerset, Sussex	58 min
Apr 21, 1:23 PM EDT	Special Weather Statement	OKX	Passaic	67 min
Apr 21, 1:28 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Camden, Gloucester	36 min
Apr 21, 1:30 PM EDT	Special Marine Warning	PHI		60 min
Apr 21, 1:41 PM EDT	Severe Thunderstorm Warning	OKX	Bergen, Essex, Hudson, Passaic, Union	64 min
Apr 21, 1:43 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Middlesex, Morris, Somerset	33 min
Apr 21, 1:58 PM EDT	Special Weather Statement	PHI	Burlington, Camden, Monmouth, Ocean	62 min
Apr 21, 2:02 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden, Monmouth, Ocean	43 min
Apr 21, 2:03 PM EDT	Special Weather Statement	PHI	Cumberland	27 min
Apr 21, 2:12 PM EDT	Severe Thunderstorm Warning	OKX	Bergen, Essex, Hudson, Passaic	48 min
Apr 21, 2:17 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Cumberland, Gloucester, Salem	43 min
Apr 21, 2:28 PM EDT	Special Weather Statement	PHI	Middlesex, Monmouth	47 min
Apr 21, 2:30 PM EDT	Special Marine Warning	PHI		60 min
Apr 21, 2:38 PM EDT	Severe Thunderstorm Warning	PHI	Monmouth, Ocean	37 min
Apr 21, 2:40 PM EDT	Special Marine Warning	PHI		55 min
Apr 21, 2:43 PM EDT	Special Weather Statement	PHI	Cape May	32 min
Apr 21, 2:50 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Ocean	40 min
Apr 21, 3:02 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic	28 min
Apr 21, 3:07 PM EDT	Special Marine Warning	PHI		53 min
Apr 22, 8:58 AM EDT	Freeze Watch	PHI	Atlantic, Burlington, Cumberland, Hunterdon, Mercer, Middlesex and 6 more	6 hr
Apr 22, 9:40 AM EDT	Freeze Watch	OKX	Passaic	7 hr
Apr 22, 2:31 PM EDT	Frost Advisory	PHI	Burlington, Camden, Gloucester, Salem	17 hr
Apr 22, 2:31 PM EDT	Freeze Warning	PHI	Atlantic, Burlington, Cumberland, Hunterdon, Mercer, Middlesex and 6 more	17 hr
Apr 22, 4:11 PM EDT	Freeze Warning	OKX	Bergen, Passaic	17 hr
Apr 22, 7:32 PM EDT	Small Craft Advisory	PHI		16 hr
Apr 24, 3:35 AM EDT	Small Craft Advisory	PHI		61 hr
Apr 28, 3:34 PM EDT	Gale Watch	PHI		12 hr
Apr 28, 7:56 PM EDT	Special Weather Statement	OKX	Passaic	49 min
Apr 28, 8:05 PM EDT	Special Weather Statement	PHI	Sussex	40 min
Apr 28, 8:17 PM EDT	Severe Thunderstorm Warning	PHI	Sussex	43 min
Apr 28, 8:39 PM EDT	Special Weather Statement	OKX	Bergen, Passaic	51 min
Apr 28, 8:45 PM EDT	Severe Thunderstorm Warning	OKX	Bergen, Passaic	30 min
Apr 28, 9:01 PM EDT	Special Weather Statement	PHI	Passaic	29 min
Apr 28, 9:13 PM EDT	Special Weather Statement	OKX	Bergen	32 min
Apr 29, 3:29 AM EDT	Small Craft Advisory	PHI		27 hr
Apr 29, 3:29 AM EDT	Storm Watch	PHI		21 hr
Apr 29, 3:32 AM EDT	High Wind Watch	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 10 more	16 hr
Apr 29, 3:47 AM EDT	Coastal Flood Statement	OKX	Essex, Hudson, Union	23 hr
Apr 29, 3:30 PM EDT	Wind Advisory	OKX	Bergen, Essex, Hudson, Passaic, Union	36 hr
Apr 29, 3:47 PM EDT	Gale Warning	PHI		23 hr
Apr 29, 4:52 PM EDT	Mesoscale Discussion	SPC	Atlantic, Cape May, Cumberland, Gloucester, Salem	2 hr
Apr 29, 7:23 PM EDT	High Wind Warning	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 10 more	26 hr
Apr 29, 7:45 PM EDT	Severe Thunderstorm Warning	PHI	Camden, Gloucester, Salem	45 min
Apr 29, 8:05 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden, Gloucester, Monmouth, Ocean	34 min
Apr 29, 8:55 PM EDT	Special Weather Statement	PHI	Monmouth	35 min
Apr 30, 12:05 AM EDT	Storm Warning	PHI		24 hr
Apr 30, 7:04 PM EDT	Special Weather Statement	OKX	Essex, Hudson, Union	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	17
Severe Thunderstorm Watch	1
Mesoscale Discussion	3
Special Weather Statement	15
Flooding
Areal Flood Advisory	2
Cold
Freeze Warning	6
Freeze Watch	6
Frost Advisory	1
Wind and dust
High Wind Warning	1
High Wind Watch	1
Wind Advisory	1
Coast and beach
Coastal Flood Statement	1
Marine
Gale Warning	2
Special Marine Warning	4
Storm Warning	1
Gale Watch	2
Storm Watch	1
Marine Dense Fog Advisory	1
Small Craft Advisory	6

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 2020 2022

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.