Weather alerts in Maryland, April 2023

112 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: 112
Warnings: 59
Watches: 16
Advisories: 19
Busiest day: April 6, 202319 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	Caroline, Cecil, Dorchester, Kent, Queen Anne's, Somerset and 3 more	113 min
Apr 1, 5:13 PM EDT	Severe Thunderstorm Warning	PHI	Caroline, Queen Anne's, Talbot	32 min
Apr 1, 5:30 PM EDT	Tornado Watch	SPC	Caroline, Dorchester, Kent, Queen Anne's, Somerset, Talbot and 2 more	5 hr
Apr 1, 5:34 PM EDT	Severe Thunderstorm Warning	PHI	Kent, Queen Anne's	26 min
Apr 1, 5:38 PM EDT	Severe Thunderstorm Warning	PHI	Caroline, Talbot	37 min
Apr 1, 5:56 PM EDT	Severe Thunderstorm Warning	LWX	Baltimore, Carroll, Harford	49 min
Apr 1, 6:00 PM EDT	Severe Thunderstorm Warning	LWX	Baltimore, Carroll, Frederick, Harford, Howard, Montgomery	45 min
Apr 1, 6:27 PM EDT	Severe Thunderstorm Warning	LWX	Baltimore, Cecil, Harford	48 min
Apr 1, 6:35 PM EDT	Tornado Warning	LWX	Cecil	25 min
Apr 1, 6:55 PM EDT	Mesoscale Discussion	SPC	Caroline, Cecil, Kent, Queen Anne's	95 min
Apr 1, 6:58 PM EDT	Severe Thunderstorm Warning	PHI	Caroline, Kent, Queen Anne's	47 min
Apr 1, 7:01 PM EDT	Severe Thunderstorm Warning	LWX	Cecil	29 min
Apr 1, 7:20 PM EDT	Severe Thunderstorm Warning Considerable damage threat	PHI	Caroline, Kent, Queen Anne's, Talbot	40 min
Apr 1, 7:36 PM EDT	Severe Thunderstorm Warning Considerable damage threat	PHI	Caroline, Queen Anne's, Talbot	39 min
Apr 1, 7:40 PM EDT	Severe Thunderstorm Warning	LWX	Calvert, Saint Mary's	35 min
Apr 1, 7:50 PM EDT	Severe Thunderstorm Warning	PHI	Caroline, Queen Anne's, Talbot	40 min
Apr 1, 7:51 PM EDT	Severe Thunderstorm Warning	LWX	Saint Mary's	39 min
Apr 1, 7:54 PM EDT	Severe Thunderstorm Warning	AKQ	Dorchester, Somerset, Wicomico	51 min
Apr 1, 8:21 PM EDT	Severe Thunderstorm Warning	AKQ	Somerset, Wicomico, Worcester	54 min
Apr 1, 8:24 PM EDT	Severe Thunderstorm Warning	AKQ	Somerset	48 min
Apr 1, 8:35 PM EDT	Tornado Warning	AKQ	Wicomico, Worcester	25 min
Apr 1, 8:45 PM EDT	Severe Thunderstorm Warning	AKQ	Somerset, Worcester	60 min
Apr 2, 12:01 AM EDT	Wind Advisory	LWX	Saint Mary's	3 hr
Apr 2, 11:40 AM EDT	Frost Advisory	PHI	Caroline, Kent, Queen Anne's, Talbot	21 hr
Apr 2, 1:13 PM EDT	Frost Advisory	LWX	Anne Arundel, Baltimore, Carroll, Cecil, Charles, Frederick and 6 more	20 hr
Apr 6, 2:00 PM EDT	Mesoscale Discussion	SPC	Anne Arundel, Baltimore, Calvert, Caroline, Cecil, Charles and 13 more	90 min
Apr 6, 2:58 PM EDT	Severe Thunderstorm Watch	SPC	Anne Arundel, Baltimore, Calvert, Caroline, Cecil, Charles and 13 more	7 hr
Apr 6, 4:44 PM EDT	Mesoscale Discussion	SPC	Anne Arundel, Baltimore, Calvert, Caroline, Charles, Dorchester and 12 more	91 min
Apr 6, 5:23 PM EDT	Severe Thunderstorm Warning	LWX	Charles, Saint Mary's	52 min
Apr 6, 5:31 PM EDT	Severe Thunderstorm Warning	LWX	Charles, Saint Mary's	32 min
Apr 6, 5:53 PM EDT	Severe Thunderstorm Warning Considerable damage threat	LWX	Calvert, Charles, Prince George's, Saint Mary's	35 min
Apr 6, 6:02 PM EDT	Severe Thunderstorm Warning	LWX	Saint Mary's	43 min
Apr 6, 6:08 PM EDT	Mesoscale Discussion	SPC	Anne Arundel, Baltimore, Calvert, Caroline, Cecil, Charles and 12 more	2 hr
Apr 6, 6:18 PM EDT	Severe Thunderstorm Warning	LWX	Montgomery, Prince George's	42 min
Apr 6, 6:24 PM EDT	Severe Thunderstorm Warning	PHI	Queen Anne's, Talbot	31 min
Apr 6, 6:47 PM EDT	Severe Thunderstorm Warning	PHI	Kent, Queen Anne's, Talbot	28 min
Apr 6, 6:48 PM EDT	Severe Thunderstorm Warning	AKQ	Dorchester, Somerset, Wicomico	57 min
Apr 6, 6:54 PM EDT	Special Weather Statement	AKQ	Dorchester	51 min
Apr 6, 7:07 PM EDT	Severe Thunderstorm Warning	LWX	Saint Mary's	23 min
Apr 6, 7:09 PM EDT	Severe Thunderstorm Warning	PHI	Caroline, Kent, Queen Anne's, Talbot	26 min
Apr 6, 7:35 PM EDT	Special Weather Statement	AKQ	Somerset	40 min
Apr 6, 7:39 PM EDT	Special Weather Statement	PHI	Caroline, Queen Anne's, Talbot	36 min
Apr 6, 7:41 PM EDT	Severe Thunderstorm Warning	AKQ	Somerset, Wicomico, Worcester	49 min
Apr 6, 7:50 PM EDT	Severe Thunderstorm Warning	PHI	Caroline, Queen Anne's, Talbot	40 min
Apr 6, 8:27 PM EDT	Mesoscale Discussion	SPC	Anne Arundel, Baltimore, Calvert, Caroline, Cecil, Charles and 12 more	93 min
Apr 6, 8:31 PM EDT	Special Weather Statement	AKQ	Worcester	29 min
Apr 7, 5:46 AM EDT	Areal Flood Warning	LWX	Saint Mary's	4 hr
Apr 7, 11:21 AM EDT	Freeze Watch	LWX	Baltimore, Carroll, Frederick, Harford, Howard, Montgomery and 1 more	16 hr
Apr 8, 3:21 AM EDT	Frost Advisory	LWX	Anne Arundel, Baltimore, Cecil, Charles, Harford, Howard and 3 more	30 hr
Apr 8, 3:21 AM EDT	Freeze Warning	LWX	Baltimore, Carroll, Frederick, Harford, Howard, Montgomery and 1 more	30 hr
Apr 8, 3:31 AM EDT	Frost Advisory	PHI	Caroline, Kent, Queen Anne's, Talbot	29 hr
Apr 8, 9:59 AM EDT	Freeze Watch	LWX	Washington	23 hr
Apr 9, 9:08 AM EDT	Frost Advisory	LWX	Calvert, Saint Mary's	24 hr
Apr 9, 9:08 AM EDT	Freeze Warning	LWX	Anne Arundel, Baltimore, Carroll, Cecil, Charles, Frederick and 6 more	24 hr
Apr 9, 9:10 AM EDT	Frost Advisory	PHI	Kent, Queen Anne's, Talbot	24 hr
Apr 9, 9:10 AM EDT	Freeze Warning	PHI	Caroline	24 hr
Apr 9, 2:53 PM EDT	Frost Advisory	AKQ	Dorchester, Somerset, Wicomico, Worcester	18 hr
Apr 11, 3:46 PM EDT	Fire Weather Watch	LWX	Allegany, Anne Arundel, Baltimore, Calvert, Carroll, Cecil and 9 more	17 hr
Apr 11, 3:46 PM EDT	Fire Weather Watch	PHI	Caroline, Kent, Queen Anne's, Talbot	18 hr
Apr 12, 9:01 AM EDT	Red Flag Warning	LWX	Allegany, Baltimore, Carroll, Cecil, Frederick, Harford and 4 more	11 hr
Apr 15, 11:47 AM EDT	Severe Thunderstorm Warning	LWX	Carroll	43 min
Apr 15, 12:10 PM EDT	Severe Thunderstorm Warning	LWX	Carroll, Frederick	50 min
Apr 15, 12:54 PM EDT	Severe Thunderstorm Warning	LWX	Carroll, Frederick	22 min
Apr 15, 1:30 PM EDT	Severe Thunderstorm Warning	LWX	Baltimore	32 min
Apr 15, 2:13 PM EDT	Severe Thunderstorm Warning	LWX	Baltimore, City of Baltimore	24 min
Apr 15, 2:25 PM EDT	Severe Thunderstorm Warning	LWX	Baltimore, Harford	22 min
Apr 15, 3:30 PM EDT	Areal Flood Warning	LWX	Anne Arundel	3 hr
Apr 15, 3:34 PM EDT	Severe Thunderstorm Warning	LWX	Anne Arundel	15 min
Apr 15, 3:54 PM EDT	Severe Thunderstorm Warning	LWX	Anne Arundel, Prince George's	23 min
Apr 17, 12:25 PM EDT	Fire Weather Watch	LWX	Allegany, Anne Arundel, Baltimore, Calvert, Carroll, Cecil and 9 more	15 hr
Apr 17, 1:22 PM EDT	Fire Weather Watch	PHI	Caroline, Kent, Queen Anne's, Talbot	14 hr
Apr 17, 3:29 PM EDT	Fire Weather Watch	AKQ	Dorchester, Somerset, Wicomico, Worcester	12 hr
Apr 18, 3:14 AM EDT	Red Flag Warning	LWX	Anne Arundel, Baltimore, Calvert, Charles, Howard, Montgomery and 3 more	17 hr
Apr 18, 3:19 AM EDT	Red Flag Warning	PHI	Caroline, Kent, Queen Anne's, Talbot	16 hr
Apr 18, 3:20 AM EDT	Red Flag Warning	AKQ	Dorchester, Somerset, Wicomico, Worcester	17 hr
Apr 20, 3:51 AM EDT	Coastal Flood Advisory	LWX	Anne Arundel	6 hr
Apr 20, 11:22 AM EDT	Fire Weather Watch	LWX	Allegany, Frederick, Washington	15 hr
Apr 22, 9:34 AM EDT	Mesoscale Discussion	SPC	Anne Arundel, Calvert, Charles, Frederick, Howard, Montgomery and 4 more	116 min
Apr 22, 10:07 AM EDT	Severe Thunderstorm Watch	SPC	Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 15 more	10 hr
Apr 22, 1:20 PM EDT	Severe Thunderstorm Warning	LWX	Frederick, Montgomery	40 min
Apr 22, 2:02 PM EDT	Severe Thunderstorm Warning	LWX	Baltimore, Carroll, Frederick, Howard, Montgomery	43 min
Apr 22, 2:12 PM EDT	Mesoscale Discussion	SPC	Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 15 more	93 min
Apr 22, 2:14 PM EDT	Severe Thunderstorm Warning	LWX	Anne Arundel, Calvert, Charles, Prince George's	46 min
Apr 22, 2:47 PM EDT	Severe Thunderstorm Warning	LWX	Anne Arundel, Baltimore, Harford, Howard, City of Baltimore	43 min
Apr 22, 2:47 PM EDT	Mesoscale Discussion	SPC	Anne Arundel, Baltimore, Caroline, Carroll, Cecil, Harford and 6 more	118 min
Apr 22, 3:25 PM EDT	Special Weather Statement	PHI	Kent, Queen Anne's, Talbot	35 min
Apr 22, 4:22 PM EDT	Special Weather Statement	PHI	Talbot	38 min
Apr 22, 5:00 PM EDT	Special Weather Statement	AKQ	Somerset, Wicomico	45 min
Apr 22, 5:20 PM EDT	Severe Thunderstorm Warning	AKQ	Dorchester, Somerset, Wicomico, Worcester	40 min
Apr 22, 5:23 PM EDT	Severe Thunderstorm Warning	PHI	Caroline	52 min
Apr 22, 6:11 PM EDT	Mesoscale Discussion	SPC	Worcester	64 min
Apr 23, 3:46 AM EDT	Freeze Watch	LWX	Allegany	9 hr
Apr 23, 12:24 PM EDT	Freeze Warning	LWX	Allegany	21 hr
Apr 24, 3:08 AM EDT	Freeze Watch	LWX	Allegany, Carroll, Frederick, Washington	11 hr
Apr 24, 2:32 PM EDT	Frost Advisory	LWX	Baltimore, Harford, Howard, Montgomery	17 hr
Apr 24, 2:32 PM EDT	Freeze Warning	LWX	Allegany, Carroll, Frederick, Washington	17 hr
Apr 25, 8:06 PM EDT	Freeze Watch	LWX		15 hr
Apr 26, 11:25 AM EDT	Freeze Warning	LWX		21 hr
Apr 27, 3:51 AM EDT	Coastal Flood Watch	LWX	Anne Arundel, Saint Mary's	48 hr
Apr 27, 2:57 PM EDT	Coastal Flood Advisory	LWX	Anne Arundel, Baltimore, Calvert, Charles, Saint Mary's, City of Baltimore	37 hr
Apr 28, 3:23 AM EDT	Coastal Flood Warning	LWX	Anne Arundel, Saint Mary's	25 hr
Apr 28, 3:25 AM EDT	Wind Advisory	LWX		15 hr
Apr 28, 3:57 AM EDT	High Surf Advisory	AKQ	Worcester	33 hr
Apr 28, 5:10 AM EDT	Coastal Flood Advisory	AKQ	Dorchester, Somerset, Wicomico	32 hr
Apr 28, 11:16 PM EDT	Areal Flood Advisory	PHI	Caroline	5 hr
Apr 29, 4:03 AM EDT	Coastal Flood Advisory	LWX	Anne Arundel, Saint Mary's	16 hr
Apr 29, 3:02 PM EDT	Areal Flood Warning	PHI	Caroline	18 hr
Apr 29, 3:46 PM EDT	Flood Watch	PHI	Caroline, Kent, Queen Anne's, Talbot	30 hr
Apr 30, 6:48 AM EDT	Coastal Flood Advisory	LWX	Anne Arundel, Calvert, Saint Mary's	11 hr
Apr 30, 9:08 AM EDT	Coastal Flood Statement	AKQ	Dorchester, Wicomico	5 hr
Apr 30, 3:00 PM EDT	Coastal Flood Advisory	AKQ	Dorchester, Somerset, Wicomico	10 hr
Apr 30, 5:59 PM EDT	Coastal Flood Advisory	LWX	Anne Arundel, Calvert, Harford, Saint Mary's	11 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	43
Tornado Warning	2
Severe Thunderstorm Watch	2
Tornado Watch	1
Mesoscale Discussion	10
Special Weather Statement	7
Flooding
Areal Flood Warning	3
Flood Watch	1
Areal Flood Advisory	1
Cold
Freeze Warning	6
Freeze Watch	5
Frost Advisory	8
Wind and dust
Wind Advisory	2
Fire
Red Flag Warning	4
Fire Weather Watch	6
Coast and beach
Coastal Flood Warning	1
Coastal Flood Watch	1
Coastal Flood Advisory	7
High Surf Advisory	1
Coastal Flood Statement	1

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.