Weather alerts in Maryland, May 2022

161 weather alerts in May 2022, 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 May 2022. Tap one for its archive.

Alerts: 161
Warnings: 81
Watches: 18
Advisories: 28
Busiest day: May 27, 202235 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
May 1, 8:43 PM EDT	Severe Thunderstorm Warning	LWX	Garrett	47 min
May 2, 5:15 AM EDT	Dense Fog Advisory	LWX	Allegany, Frederick, Washington	5 hr
May 4, 1:40 AM EDT	Areal Flood Warning	LWX	Montgomery, Prince George's	11 hr
May 4, 2:04 AM EDT	Coastal Flood Statement	AKQ	Dorchester	4 hr
May 4, 6:54 AM EDT	Coastal Flood Advisory	LWX	Anne Arundel	5 hr
May 5, 7:55 PM EDT	River Flood Watch	LWX	Washington	32 hr
May 6, 3:13 AM EDT	Flood Watch	LWX	Allegany, Anne Arundel, Baltimore, Carroll, Frederick, Harford and 5 more	33 hr
May 6, 3:32 PM EDT	River Flood Watch	LWX	Frederick	3 days
May 6, 3:33 PM EDT	River Flood Watch	LWX	Montgomery	21 days
May 6, 3:34 PM EDT	River Flood Watch	LWX	Montgomery	29 hr
May 6, 3:35 PM EDT	River Flood Watch	LWX	Washington	13 hr
May 6, 3:37 PM EDT	River Flood Warning	LWX	Frederick	45 hr
May 6, 4:14 PM EDT	Areal Flood Warning	LWX	Carroll, Frederick	26 hr
May 6, 4:26 PM EDT	Areal Flood Warning	LWX	Garrett	17 hr
May 6, 4:30 PM EDT	Areal Flood Warning	LWX	Allegany, Garrett	22 hr
May 6, 8:58 PM EDT	Wind Advisory	LWX	Cecil, Harford	17 hr
May 6, 11:48 PM EDT	Areal Flood Warning	LWX	Montgomery, Prince George's	16 hr
May 7, 1:17 AM EDT	Areal Flood Warning	LWX	Anne Arundel, Baltimore, Carroll, Harford, Howard, City of Baltimore	8 hr
May 7, 4:57 AM EDT	Coastal Flood Advisory	AKQ	Dorchester, Somerset, Wicomico, Worcester	5 days
May 7, 5:45 AM EDT	Coastal Flood Advisory	LWX	Saint Mary's	4 hr
May 7, 10:19 AM EDT	River Flood Warning	LWX	Washington	52 hr
May 7, 10:29 AM EDT	River Flood Watch	LWX	Washington	11 hr
May 7, 10:29 AM EDT	River Flood Watch	LWX	Allegany	17 hr
May 7, 10:44 AM EDT	River Flood Warning	LWX	Frederick	50 hr
May 7, 10:44 AM EDT	River Flood Warning	LWX	Montgomery	60 hr
May 7, 12:33 PM EDT	Areal Flood Warning	LWX	Allegany, Washington	24 hr
May 7, 12:56 PM EDT	Areal Flood Warning	LWX	Anne Arundel, Baltimore, Howard	4 hr
May 7, 3:24 PM EDT	Coastal Flood Watch	LWX	Saint Mary's	4 days
May 7, 5:35 PM EDT	High Surf Advisory	AKQ	Worcester	5 days
May 7, 9:20 PM EDT	River Flood Warning	LWX	Washington	23 hr
May 7, 9:21 PM EDT	River Flood Watch	LWX	Washington	77 min
May 7, 9:21 PM EDT	River Flood Warning	LWX	Montgomery	39 hr
May 7, 10:14 PM EDT	Wind Advisory	AKQ	Worcester	69 hr
May 7, 10:36 PM EDT	River Flood Warning	LWX	Washington	12 hr
May 8, 6:12 AM EDT	Coastal Flood Warning	LWX	Saint Mary's	4 days
May 8, 6:12 AM EDT	Coastal Flood Advisory	LWX	Saint Mary's	22 hr
May 8, 2:22 PM EDT	Frost Advisory	LWX	Allegany, Washington	18 hr
May 8, 9:07 PM EDT	Coastal Flood Advisory	LWX	Anne Arundel, Baltimore, Calvert, Charles, Saint Mary's, City of Baltimore	4 days
May 9, 4:21 PM EDT	Coastal Flood Advisory	AKQ	Dorchester, Somerset, Wicomico	10 hr
May 10, 5:06 AM EDT	Coastal Flood Advisory	AKQ	Dorchester, Somerset, Wicomico	9 hr
May 10, 4:19 PM EDT	Coastal Flood Statement	AKQ	Worcester	14 hr
May 10, 4:19 PM EDT	Coastal Flood Advisory	AKQ	Dorchester, Somerset, Wicomico	48 hr
May 11, 6:59 PM EDT	High Surf Advisory	AKQ	Worcester	1 min
May 13, 3:46 PM EDT	Dense Fog Advisory	PHI	Caroline, Kent, Queen Anne's, Talbot	20 hr
May 13, 8:00 PM EDT	Dense Fog Advisory	AKQ	Somerset, Wicomico, Worcester	9 hr
May 14, 2:16 AM EDT	Dense Fog Advisory	LWX	Anne Arundel, Baltimore, Calvert, Cecil, Harford, Saint Mary's and 1 more	8 hr
May 14, 8:53 AM EDT	Dense Fog Advisory	AKQ	Worcester	2 hr
May 14, 5:39 PM EDT	Dense Fog Advisory	PHI	Caroline, Kent, Queen Anne's, Talbot	16 hr
May 14, 9:35 PM EDT	Dense Fog Advisory	AKQ	Dorchester, Somerset, Wicomico, Worcester	11 hr
May 14, 10:45 PM EDT	Dense Fog Advisory	LWX	Allegany, Anne Arundel, Baltimore, Calvert, Cecil, Charles and 7 more	10 hr
May 15, 3:05 PM EDT	Mesoscale Discussion	SPC	Baltimore, Carroll, Frederick, Howard, Montgomery, Washington	85 min
May 16, 4:47 AM EDT	Dense Fog Advisory	LWX	Allegany, Washington	4 hr
May 16, 12:01 PM EDT	Mesoscale Discussion	SPC	Anne Arundel, Baltimore, Calvert, Caroline, Cecil, Charles and 11 more	119 min
May 16, 2:23 PM EDT	Mesoscale Discussion	SPC	Anne Arundel, Baltimore, Calvert, Caroline, Charles, Dorchester and 9 more	2 hr
May 16, 3:15 PM EDT	Special Weather Statement	AKQ	Wicomico	45 min
May 16, 3:17 PM EDT	Special Weather Statement	AKQ	Worcester	13 min
May 16, 3:40 PM EDT	Severe Thunderstorm Watch	SPC	Anne Arundel, Baltimore, Calvert, Caroline, Cecil, Charles and 13 more	5 hr
May 16, 4:07 PM EDT	Severe Thunderstorm Warning Considerable damage threat	LWX	Charles, Prince George's	38 min
May 16, 4:35 PM EDT	Severe Thunderstorm Warning Considerable damage threat	LWX	Anne Arundel, Calvert, Charles, Prince George's, Saint Mary's	40 min
May 16, 5:11 PM EDT	Severe Thunderstorm Warning Considerable damage threat	AKQ	Dorchester, Wicomico	64 min
May 16, 5:11 PM EDT	Special Weather Statement	PHI	Talbot	34 min
May 16, 5:20 PM EDT	Severe Thunderstorm Warning	PHI	Caroline, Talbot	40 min
May 16, 5:37 PM EDT	Mesoscale Discussion	SPC	Caroline, Dorchester, Talbot, Wicomico	53 min
May 16, 6:11 PM EDT	Severe Thunderstorm Warning Considerable damage threat	AKQ	Dorchester, Wicomico, Worcester	64 min
May 16, 6:47 PM EDT	Special Weather Statement	AKQ	Wicomico	28 min
May 16, 7:19 PM EDT	Special Weather Statement	AKQ	Somerset, Wicomico, Worcester	41 min
May 16, 7:29 PM EDT	Special Weather Statement	AKQ	Somerset	31 min
May 16, 7:35 PM EDT	Severe Thunderstorm Warning	AKQ	Somerset, Worcester	40 min
May 19, 3:25 AM EDT	Coastal Flood Advisory	LWX	Anne Arundel	7 hr
May 20, 10:39 AM EDT	Mesoscale Discussion	SPC	Allegany, Carroll, Frederick, Garrett, Washington	96 min
May 20, 11:06 AM EDT	Severe Thunderstorm Warning	LWX	Garrett	39 min
May 20, 11:21 AM EDT	Severe Thunderstorm Warning	LWX	Garrett	39 min
May 20, 11:29 AM EDT	Severe Thunderstorm Warning	LWX	Allegany	46 min
May 20, 11:35 AM EDT	Tornado Watch	SPC	Allegany, Baltimore, Carroll, Cecil, Frederick, Garrett and 4 more	7 hr
May 20, 11:41 AM EDT	Severe Thunderstorm Warning	LWX	Allegany, Garrett	29 min
May 20, 12:09 PM EDT	Severe Thunderstorm Warning	LWX	Allegany, Garrett, Washington	51 min
May 20, 12:32 PM EDT	Tornado Warning	LWX	Allegany	10 min
May 20, 12:41 PM EDT	Tornado Warning	LWX	Allegany, Washington	13 min
May 20, 12:53 PM EDT	Severe Thunderstorm Warning	LWX	Washington	17 min
May 20, 1:49 PM EDT	Mesoscale Discussion	SPC	Baltimore, Carroll, Cecil, Frederick, Harford, Howard and 5 more	86 min
May 22, 12:20 PM EDT	Mesoscale Discussion	SPC	Allegany, Anne Arundel, Baltimore, Carroll, Cecil, Charles and 8 more	2 hr
May 22, 1:53 PM EDT	Severe Thunderstorm Watch	SPC	Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 12 more	7 hr
May 22, 3:35 PM EDT	Severe Thunderstorm Warning	LWX	Frederick, Montgomery	40 min
May 22, 3:58 PM EDT	Severe Thunderstorm Warning	LWX	Montgomery	30 min
May 22, 4:11 PM EDT	Severe Thunderstorm Warning	LWX	Carroll, Frederick, Howard, Montgomery	49 min
May 22, 4:15 PM EDT	Mesoscale Discussion	SPC	Anne Arundel, Baltimore, Caroline, Carroll, Cecil, Frederick and 7 more	90 min
May 22, 4:21 PM EDT	Severe Thunderstorm Warning	LWX	Montgomery	27 min
May 22, 4:46 PM EDT	Severe Thunderstorm Warning	LWX	Anne Arundel, Baltimore, Howard, Montgomery, Prince George's, City of Baltimore	44 min
May 22, 4:53 PM EDT	Areal Flood Warning	LWX	Montgomery	3 hr
May 22, 5:02 PM EDT	Severe Thunderstorm Warning	LWX	Anne Arundel, Howard, Montgomery, Prince George's	28 min
May 22, 5:09 PM EDT	Severe Thunderstorm Warning	LWX	Montgomery, Prince George's	51 min
May 22, 5:16 PM EDT	Special Weather Statement	CTP	Harford	44 min
May 22, 5:30 PM EDT	Severe Thunderstorm Warning	LWX	Anne Arundel, Howard, Montgomery, Prince George's	45 min
May 22, 5:36 PM EDT	Severe Thunderstorm Warning	LWX	Anne Arundel, Baltimore, Cecil, Harford, Howard, City of Baltimore	39 min
May 22, 5:56 PM EDT	Severe Thunderstorm Warning	LWX	Prince George's	49 min
May 22, 6:13 PM EDT	Severe Thunderstorm Warning	PHI	Kent, Queen Anne's	41 min
May 22, 6:16 PM EDT	Severe Thunderstorm Warning	LWX	Cecil, Harford	44 min
May 22, 6:32 PM EDT	Mesoscale Discussion	SPC	Anne Arundel, Calvert, Caroline, Cecil, Charles, Dorchester and 6 more	118 min
May 22, 6:37 PM EDT	Severe Thunderstorm Warning	LWX	Anne Arundel, Calvert, Prince George's	12 min
May 22, 7:04 PM EDT	Severe Thunderstorm Warning	LWX	Baltimore, Carroll, Charles, Frederick, Howard, Montgomery and 1 more	56 min
May 22, 7:18 PM EDT	Areal Flood Warning	LWX	Montgomery, Prince George's	5 hr
May 22, 7:26 PM EDT	Severe Thunderstorm Warning	LWX	Anne Arundel, Baltimore, Calvert, Charles, Harford, Howard and 3 more	64 min
May 22, 7:34 PM EDT	Special Weather Statement	AKQ	Dorchester	56 min
May 22, 7:41 PM EDT	Severe Thunderstorm Warning	PHI	Talbot	41 min
May 22, 8:00 PM EDT	Areal Flood Warning	LWX	Anne Arundel, Calvert, Prince George's	6 hr
May 22, 8:15 PM EDT	Areal Flood Warning	LWX	Howard, Montgomery	3 hr
May 22, 8:24 PM EDT	Areal Flood Advisory	PHI	Caroline, Queen Anne's, Talbot	3 hr
May 22, 8:28 PM EDT	Severe Thunderstorm Warning	LWX	Calvert, Charles, Saint Mary's	32 min
May 22, 8:37 PM EDT	Special Weather Statement	AKQ	Dorchester, Somerset, Wicomico	53 min
May 22, 8:42 PM EDT	Special Weather Statement	PHI	Talbot	63 min
May 22, 8:51 PM EDT	Severe Thunderstorm Warning	PHI	Caroline	24 min
May 22, 10:01 PM EDT	Special Weather Statement	AKQ	Somerset	44 min
May 22, 10:09 PM EDT	Areal Flood Warning	LWX	Anne Arundel, Baltimore, City of Baltimore	5 hr
May 22, 10:39 PM EDT	Special Weather Statement	AKQ	Somerset, Worcester	51 min
May 24, 5:06 PM EDT	Areal Flood Warning	LWX	Saint Mary's	3 hr
May 24, 5:19 PM EDT	Beach Hazards Statement	AKQ	Worcester	3 days
May 25, 6:44 AM EDT	Coastal Flood Advisory	LWX	Saint Mary's	6 hr
May 27, 1:01 AM EDT	Dense Fog Advisory	AKQ	Somerset, Worcester	9 hr
May 27, 4:07 AM EDT	Flood Watch	LWX	Anne Arundel, Baltimore, Carroll, Cecil, Frederick, Harford and 5 more	19 hr
May 27, 6:24 AM EDT	Tornado Watch	SPC	Anne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 6 more	8 hr
May 27, 8:13 AM EDT	Mesoscale Discussion	SPC	Charles, Prince George's	2 hr
May 27, 10:59 AM EDT	Mesoscale Discussion	SPC	Anne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 5 more	91 min
May 27, 11:43 AM EDT	Severe Thunderstorm Warning	LWX	Charles, Prince George's	47 min
May 27, 11:47 AM EDT	Severe Thunderstorm Warning	LWX	Montgomery, Prince George's	43 min
May 27, 11:50 AM EDT	Tornado Watch	SPC	Cecil, Dorchester, Harford, Somerset, Wicomico, Worcester	4 hr
May 27, 11:54 AM EDT	Tornado Warning	LWX	Montgomery	6 min
May 27, 11:55 AM EDT	Mesoscale Discussion	SPC	Caroline, Cecil	95 min
May 27, 11:59 AM EDT	Severe Thunderstorm Warning	LWX	Carroll, Frederick, Howard, Montgomery	46 min
May 27, 12:10 PM EDT	Severe Thunderstorm Warning	LWX	Charles, Saint Mary's	50 min
May 27, 12:17 PM EDT	Tornado Warning	LWX	Howard, Montgomery	14 min
May 27, 12:24 PM EDT	Tornado Warning	LWX	Carroll	18 min
May 27, 12:27 PM EDT	Severe Thunderstorm Warning	LWX	Anne Arundel, Calvert, Charles, Prince George's	48 min
May 27, 12:29 PM EDT	Severe Thunderstorm Warning	LWX	Anne Arundel, Baltimore, Carroll, Howard, Montgomery, Prince George's and 1 more	46 min
May 27, 12:29 PM EDT	Tornado Warning	LWX	Howard, Montgomery	16 min
May 27, 12:35 PM EDT	Tornado Warning	LWX	Howard, Montgomery	25 min
May 27, 12:36 PM EDT	Severe Thunderstorm Warning	LWX	Baltimore, Carroll	39 min
May 27, 12:45 PM EDT	Severe Thunderstorm Warning	LWX	Calvert, Saint Mary's	45 min
May 27, 12:57 PM EDT	Severe Thunderstorm Watch	SPC	Caroline, Kent, Queen Anne's, Talbot	5 hr
May 27, 1:01 PM EDT	Tornado Warning	LWX	Anne Arundel, Baltimore, City of Baltimore	14 min
May 27, 1:10 PM EDT	Severe Thunderstorm Warning	PHI	Caroline, Kent, Queen Anne's, Talbot	50 min
May 27, 1:15 PM EDT	Severe Thunderstorm Warning	LWX	Baltimore, Carroll, Harford	45 min
May 27, 1:24 PM EDT	Special Weather Statement	AKQ	Dorchester	51 min
May 27, 1:33 PM EDT	Severe Thunderstorm Warning	AKQ	Dorchester	42 min
May 27, 1:33 PM EDT	Tornado Warning	LWX	Harford	16 min
May 27, 1:43 PM EDT	Severe Thunderstorm Warning	PHI	Caroline	47 min
May 27, 1:44 PM EDT	Severe Thunderstorm Warning	LWX	Cecil	46 min
May 27, 1:51 PM EDT	Special Weather Statement	AKQ	Somerset, Wicomico	54 min
May 27, 1:51 PM EDT	Special Weather Statement	PHI	Cecil	39 min
May 27, 2:02 PM EDT	Special Weather Statement	AKQ	Worcester	58 min
May 27, 5:45 PM EDT	Severe Thunderstorm Watch	SPC	Anne Arundel, Calvert, Charles, Prince George's, Saint Mary's	4 hr
May 27, 7:22 PM EDT	Mesoscale Discussion	SPC	Calvert, Charles, Prince George's, Saint Mary's	83 min
May 27, 7:51 PM EDT	Severe Thunderstorm Warning	LWX	Charles	39 min
May 27, 8:29 PM EDT	Mesoscale Discussion	SPC	Caroline, Cecil, Dorchester, Kent, Queen Anne's, Talbot	91 min
May 27, 8:30 PM EDT	Tornado Warning	LWX	Calvert, Charles, Prince George's	9 min
May 27, 8:37 PM EDT	Tornado Warning	LWX	Calvert, Charles, Prince George's, Saint Mary's	23 min
May 27, 8:50 PM EDT	Severe Thunderstorm Warning	LWX	Anne Arundel, Calvert, Prince George's	30 min
May 27, 9:05 PM EDT	Severe Thunderstorm Warning	PHI	Kent, Queen Anne's, Talbot	40 min
May 27, 9:39 PM EDT	Special Weather Statement	PHI	Kent, Queen Anne's	36 min
May 27, 10:10 PM EDT	Areal Flood Advisory	PHI	Kent, Queen Anne's	48 min
May 27, 10:51 PM EDT	Areal Flood Warning	LWX	Baltimore, City of Baltimore	2 hr
May 28, 1:56 AM EDT	Coastal Flood Advisory	LWX	Anne Arundel	3 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	47
Tornado Warning	11
Severe Thunderstorm Watch	4
Tornado Watch	3
Mesoscale Discussion	14
Special Weather Statement	17
Flooding
Areal Flood Warning	15
River Flood Warning	7
Flood Watch	2
River Flood Watch	8
Areal Flood Advisory	2
Cold
Frost Advisory	1
Wind and dust
Wind Advisory	2
Fog and smoke
Dense Fog Advisory	10
Coast and beach
Coastal Flood Warning	1
Coastal Flood Watch	1
Coastal Flood Advisory	11
High Surf Advisory	2
Beach Hazards Statement	1
Coastal Flood Statement	2

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 2021 2023

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.