Weather alerts in Maryland, April 2024

112 weather alerts in April 2024, 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 2024. Tap one for its archive.

Alerts: 112
Warnings: 40
Watches: 15
Advisories: 39
Busiest day: April 3, 202428 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 PM EDT	Coastal Flood Advisory	PHI	Kent, Queen Anne's, Talbot	4 days
Apr 2, 10:05 AM EDT	River Flood Watch	LWX	Montgomery	44 hr
Apr 2, 10:05 AM EDT	River Flood Watch	LWX	Washington	21 hr
Apr 2, 10:05 AM EDT	River Flood Watch	LWX	Washington	21 hr
Apr 2, 10:05 AM EDT	River Flood Watch	LWX	Frederick	22 hr
Apr 2, 10:05 AM EDT	River Flood Watch	LWX	Montgomery	24 hr
Apr 2, 10:05 AM EDT	River Flood Watch	LWX	Frederick	45 hr
Apr 2, 10:10 AM EDT	Areal Flood Warning	LWX	Anne Arundel, Howard	8 hr
Apr 2, 11:49 AM EDT	Coastal Flood Advisory	LWX	Anne Arundel	87 min
Apr 2, 6:28 PM EDT	Areal Flood Warning	LWX	Anne Arundel, Howard	4 hr
Apr 3, 1:34 AM EDT	Severe Thunderstorm Warning	LWX	Allegany, Garrett	27 min
Apr 3, 3:26 AM EDT	Coastal Flood Advisory	LWX	Anne Arundel, Calvert, Charles, Harford, Saint Mary's	65 hr
Apr 3, 6:24 AM EDT	Areal Flood Warning	LWX	Allegany, Garrett	14 hr
Apr 3, 7:19 AM EDT	River Flood Warning	LWX	Washington	38 hr
Apr 3, 7:21 AM EDT	River Flood Warning	LWX	Washington	52 hr
Apr 3, 7:36 AM EDT	River Flood Warning	LWX	Frederick	27 hr
Apr 3, 8:17 AM EDT	River Flood Warning	LWX	Allegany	15 hr
Apr 3, 10:19 AM EDT	River Flood Warning	LWX	Montgomery	54 hr
Apr 3, 11:10 AM EDT	Areal Flood Warning	LWX	Washington	8 hr
Apr 3, 11:13 AM EDT	Winter Weather Advisory	LWX		61 hr
Apr 3, 11:20 AM EDT	Mesoscale Discussion	SPC	Calvert, Charles, Dorchester, Saint Mary's, Somerset, Talbot and 2 more	115 min
Apr 3, 11:37 AM EDT	Areal Flood Warning	LWX	Anne Arundel, Baltimore, Howard, City of Baltimore	14 hr
Apr 3, 12:38 PM EDT	Tornado Watch	SPC	Calvert, Caroline, Dorchester, Queen Anne's, Saint Mary's, Somerset and 3 more	6 hr
Apr 3, 2:06 PM EDT	Areal Flood Warning	LWX	Cecil	7 hr
Apr 3, 2:35 PM EDT	Coastal Flood Advisory	AKQ	Dorchester, Somerset, Wicomico	10 hr
Apr 3, 2:42 PM EDT	Areal Flood Warning	LWX	Baltimore	6 hr
Apr 3, 3:20 PM EDT	Special Weather Statement	PHI	Kent, Queen Anne's, Talbot	25 min
Apr 3, 3:21 PM EDT	River Flood Watch	LWX	Allegany	8 hr
Apr 3, 3:21 PM EDT	River Flood Watch	LWX	Cecil	20 hr
Apr 3, 3:42 PM EDT	Special Weather Statement	PHI	Kent, Queen Anne's	33 min
Apr 3, 4:05 PM EDT	Severe Thunderstorm Warning	LWX	Saint Mary's	29 min
Apr 3, 4:13 PM EDT	Tornado Warning	LWX	Saint Mary's	16 min
Apr 3, 4:16 PM EDT	Mesoscale Discussion	SPC	Somerset	119 min
Apr 3, 4:38 PM EDT	Special Weather Statement	AKQ	Dorchester, Wicomico	52 min
Apr 3, 4:51 PM EDT	Severe Thunderstorm Warning	AKQ	Dorchester, Wicomico	39 min
Apr 3, 5:03 PM EDT	Severe Thunderstorm Warning	PHI	Caroline, Talbot	42 min
Apr 3, 5:05 PM EDT	Severe Thunderstorm Warning	AKQ	Dorchester	21 min
Apr 3, 7:51 PM EDT	Coastal Flood Warning	LWX	Saint Mary's	4 hr
Apr 4, 3:18 AM EDT	Areal Flood Warning	PHI	Caroline	18 hr
Apr 4, 3:22 AM EDT	Coastal Flood Advisory	LWX	Anne Arundel	14 hr
Apr 4, 3:50 AM EDT	Coastal Flood Advisory	AKQ	Dorchester, Somerset, Wicomico, Worcester	9 hr
Apr 4, 6:22 AM EDT	Areal Flood Warning	LWX	Prince George's	8 hr
Apr 4, 6:56 AM EDT	River Flood Warning	LWX	Frederick	13 hr
Apr 4, 11:49 AM EDT	River Flood Warning	LWX	Cecil, Harford	23 hr
Apr 4, 7:55 PM EDT	Coastal Flood Advisory	LWX	Saint Mary's	18 hr
Apr 4, 9:52 PM EDT	Coastal Flood Advisory	AKQ	Dorchester, Somerset, Wicomico	6 hr
Apr 4, 10:11 PM EDT	Coastal Flood Advisory	LWX	Harford	11 hr
Apr 5, 9:32 AM EDT	Coastal Flood Statement	AKQ	Dorchester, Somerset, Wicomico	6 hr
Apr 7, 2:11 PM EDT	Frost Advisory	AKQ	Dorchester, Somerset, Wicomico, Worcester	18 hr
Apr 7, 2:21 PM EDT	Frost Advisory	PHI	Caroline, Kent, Queen Anne's, Talbot	18 hr
Apr 7, 10:01 PM EDT	Coastal Flood Advisory	LWX	Anne Arundel, Saint Mary's	24 hr
Apr 8, 2:08 PM EDT	Coastal Flood Statement	AKQ	Worcester	18 hr
Apr 8, 2:08 PM EDT	Coastal Flood Advisory	AKQ	Dorchester, Somerset, Wicomico	18 hr
Apr 8, 2:29 PM EDT	Coastal Flood Warning	LWX	Saint Mary's	9 hr
Apr 8, 11:37 PM EDT	Coastal Flood Advisory	LWX	Anne Arundel, Calvert, Harford, Saint Mary's	36 hr
Apr 9, 3:42 PM EDT	Coastal Flood Advisory	AKQ	Dorchester, Somerset, Wicomico	14 hr
Apr 10, 3:21 AM EDT	Coastal Flood Watch	AKQ	Dorchester, Somerset, Wicomico	24 hr
Apr 10, 9:03 AM EDT	Coastal Flood Watch	LWX	Anne Arundel, Baltimore, Harford, Saint Mary's, City of Baltimore	30 hr
Apr 10, 10:56 AM EDT	Coastal Flood Watch	PHI	Caroline, Kent, Queen Anne's, Talbot	28 hr
Apr 10, 2:41 PM EDT	Wind Advisory	LWX		35 hr
Apr 10, 3:23 PM EDT	Coastal Flood Advisory	LWX	Anne Arundel, Baltimore, Calvert, Cecil, Charles, Harford and 2 more	43 hr
Apr 10, 3:51 PM EDT	Coastal Flood Advisory	AKQ	Dorchester, Worcester	51 hr
Apr 10, 3:51 PM EDT	High Surf Advisory	AKQ	Worcester	42 hr
Apr 11, 3:02 AM EDT	Coastal Flood Warning	AKQ	Dorchester, Somerset, Wicomico	32 hr
Apr 11, 8:54 AM EDT	Coastal Flood Warning	LWX	Anne Arundel, Baltimore, Harford, Saint Mary's, City of Baltimore	29 hr
Apr 11, 2:38 PM EDT	Coastal Flood Advisory	PHI	Caroline, Kent, Queen Anne's, Talbot	23 hr
Apr 11, 3:09 PM EDT	Wind Advisory	AKQ	Dorchester, Somerset, Wicomico, Worcester	13 hr
Apr 11, 6:43 PM EDT	Mesoscale Discussion	SPC	Garrett	2 hr
Apr 12, 12:15 AM EDT	Mesoscale Discussion	SPC	Calvert, Charles, Dorchester, Prince George's, Saint Mary's	2 hr
Apr 12, 1:58 AM EDT	Special Weather Statement	AKQ	Dorchester	47 min
Apr 12, 3:29 AM EDT	Wind Advisory	LWX	Allegany, Anne Arundel, Baltimore, Carroll, Cecil, Frederick and 6 more	37 hr
Apr 12, 4:49 AM EDT	Coastal Flood Advisory	LWX	Cecil, Harford	11 hr
Apr 12, 11:18 AM EDT	Coastal Flood Statement	AKQ	Dorchester, Somerset, Wicomico, Worcester	13 hr
Apr 14, 9:43 PM EDT	Special Weather Statement	PHI	Kent	47 min
Apr 15, 11:01 AM EDT	Mesoscale Discussion	SPC	Allegany, Frederick, Garrett, Montgomery, Washington	89 min
Apr 15, 1:03 PM EDT	Mesoscale Discussion	SPC	Anne Arundel, Calvert, Caroline, Charles, Dorchester, Howard and 10 more	117 min
Apr 15, 1:50 PM EDT	Severe Thunderstorm Watch	SPC	Anne Arundel, Baltimore, Calvert, Caroline, Charles, Dorchester and 12 more	8 hr
Apr 15, 2:06 PM EDT	Severe Thunderstorm Warning	LWX	Montgomery	39 min
Apr 15, 3:25 PM EDT	Severe Thunderstorm Warning	LWX	Prince George's	35 min
Apr 15, 3:27 PM EDT	Severe Thunderstorm Warning	LWX	Cecil, Harford	48 min
Apr 15, 3:42 PM EDT	Severe Thunderstorm Warning	LWX	Charles	48 min
Apr 15, 4:15 PM EDT	Severe Thunderstorm Warning	LWX	Charles	45 min
Apr 15, 4:22 PM EDT	Special Weather Statement	AKQ	Dorchester	38 min
Apr 15, 4:25 PM EDT	Severe Thunderstorm Warning	LWX	Charles, Saint Mary's	35 min
Apr 15, 4:38 PM EDT	Severe Thunderstorm Warning	AKQ	Dorchester	52 min
Apr 15, 4:40 PM EDT	Mesoscale Discussion	SPC	Calvert, Charles, Dorchester, Prince George's, Saint Mary's, Somerset and 3 more	95 min
Apr 15, 4:55 PM EDT	Severe Thunderstorm Warning	LWX	Charles, Saint Mary's	65 min
Apr 15, 5:18 PM EDT	Severe Thunderstorm Warning	AKQ	Dorchester, Somerset, Wicomico	30 min
Apr 15, 6:05 PM EDT	Severe Thunderstorm Warning	AKQ	Somerset, Worcester	25 min
Apr 15, 6:51 PM EDT	Severe Thunderstorm Warning	AKQ	Worcester	39 min
Apr 19, 8:09 AM EDT	Coastal Flood Advisory	LWX	Anne Arundel, Baltimore, Calvert, Charles, Harford, Saint Mary's and 1 more	20 hr
Apr 19, 8:18 AM EDT	Coastal Flood Statement	AKQ	Somerset, Wicomico	20 hr
Apr 19, 8:18 AM EDT	Coastal Flood Advisory	AKQ	Dorchester, Somerset, Wicomico	20 hr
Apr 19, 11:21 AM EDT	Coastal Flood Warning	LWX	Anne Arundel, Saint Mary's	17 hr
Apr 19, 1:54 PM EDT	Coastal Flood Advisory	PHI	Caroline, Kent, Queen Anne's, Talbot	3 hr
Apr 19, 9:07 PM EDT	Coastal Flood Advisory	LWX	Anne Arundel	12 hr
Apr 21, 4:04 AM EDT	Freeze Watch	LWX	Washington	9 hr
Apr 21, 12:42 PM EDT	Frost Advisory	LWX	Baltimore, Carroll, Cecil, Frederick, Harford, Howard and 1 more	19 hr
Apr 21, 12:42 PM EDT	Freeze Warning	LWX	Washington	19 hr
Apr 22, 3:26 AM EDT	Frost Advisory	AKQ	Dorchester, Somerset, Wicomico, Worcester	29 hr
Apr 22, 9:51 AM EDT	Frost Advisory	PHI	Caroline, Kent, Queen Anne's, Talbot	23 hr
Apr 22, 10:45 AM EDT	Frost Advisory	LWX	Anne Arundel, Baltimore, Carroll, Cecil, Charles, Frederick and 6 more	22 hr
Apr 23, 4:47 AM EDT	Coastal Flood Advisory	AKQ	Dorchester, Somerset, Wicomico	27 hr
Apr 23, 11:28 AM EDT	Coastal Flood Advisory	LWX	Anne Arundel, Baltimore, Harford, Saint Mary's, City of Baltimore	25 hr
Apr 24, 3:51 AM EDT	Coastal Flood Warning	LWX	Anne Arundel	7 hr
Apr 24, 10:41 PM EDT	Coastal Flood Watch	LWX	Anne Arundel, Saint Mary's	21 hr
Apr 25, 4:42 AM EDT	Coastal Flood Statement	AKQ	Dorchester	25 hr
Apr 25, 12:37 PM EDT	Frost Advisory	PHI	Caroline, Kent, Queen Anne's, Talbot	20 hr
Apr 25, 1:54 PM EDT	Frost Advisory	LWX	Baltimore, Carroll, Cecil, Harford	18 hr
Apr 25, 8:04 PM EDT	Coastal Flood Advisory	LWX	Anne Arundel, Baltimore, Harford, Saint Mary's, City of Baltimore	18 hr
Apr 26, 2:45 PM EDT	Coastal Flood Advisory	LWX	Saint Mary's	4 hr
Apr 26, 9:26 PM EDT	Coastal Flood Advisory	LWX	Anne Arundel, Saint Mary's	15 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
Severe Thunderstorm Warning	16
Tornado Warning	1
Severe Thunderstorm Watch	1
Tornado Watch	1
Mesoscale Discussion	7
Special Weather Statement	6
Flooding
Areal Flood Warning	9
River Flood Warning	7
River Flood Watch	8
Winter
Winter Weather Advisory	1
Cold
Freeze Warning	1
Freeze Watch	1
Frost Advisory	8
Wind and dust
Wind Advisory	3
Coast and beach
Coastal Flood Warning	6
Coastal Flood Watch	4
Coastal Flood Advisory	26
High Surf Advisory	1
Coastal Flood Statement	5

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 2023 2025

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.