Weather alerts in Maryland, May 2018

226 weather alerts in May 2018, 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 2018. Tap one for its archive.

Alerts: 226
Warnings: 124
Watches: 20
Advisories: 32
Busiest day: May 14, 201831 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 4, 10:28 PM EDT	Special Weather Statement	PHI	Cecil	62 min
May 7, 2:34 AM EDT	Dense Fog Advisory	LWX	Allegany, Washington	6 hr
May 9, 11:54 PM EDT	Dense Fog Advisory	AKQ	Worcester	6 hr
May 10, 12:36 PM EDT	Mesoscale Discussion	SPC	Anne Arundel, Calvert, Charles, Howard, Kent, Montgomery and 5 more	114 min
May 10, 1:14 PM EDT	Severe Thunderstorm Watch	SPC	Anne Arundel, Baltimore, Calvert, Carroll, Charles, Dorchester and 8 more	8 hr
May 10, 2:32 PM EDT	Severe Thunderstorm Warning	PBZ	Garrett	43 min
May 10, 3:53 PM EDT	Severe Thunderstorm Warning	LWX	Frederick, Washington	37 min
May 10, 4:18 PM EDT	Severe Thunderstorm Warning	LWX	Frederick, Montgomery	42 min
May 10, 4:53 PM EDT	Mesoscale Discussion	SPC	Anne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 7 more	67 min
May 10, 5:17 PM EDT	Severe Thunderstorm Warning	LWX	Baltimore, Carroll, Howard, City of Baltimore	43 min
May 10, 5:45 PM EDT	Severe Thunderstorm Warning	LWX	Harford	60 min
May 10, 6:37 PM EDT	Severe Thunderstorm Warning	LWX	Harford	23 min
May 10, 6:51 PM EDT	Severe Thunderstorm Warning	PHI	Cecil	39 min
May 12, 1:51 PM EDT	Mesoscale Discussion	SPC	Allegany, Garrett	2 hr
May 12, 2:47 PM EDT	Severe Thunderstorm Watch	SPC	Allegany, Calvert, Charles, Frederick, Garrett, Montgomery and 3 more	8 hr
May 12, 3:59 PM EDT	Mesoscale Discussion	SPC	Baltimore, Carroll, Cecil, Harford, Howard, Kent and 3 more	3 hr
May 12, 4:58 PM EDT	Tornado Watch	SPC	Anne Arundel, Baltimore, Caroline, Carroll, Cecil, Harford and 5 more	5 hr
May 12, 5:05 PM EDT	Mesoscale Discussion	SPC	Allegany, Frederick, Garrett, Washington	115 min
May 12, 6:55 PM EDT	Severe Thunderstorm Warning	LWX	Baltimore, Carroll, Frederick, Harford	65 min
May 12, 7:16 PM EDT	Severe Thunderstorm Warning	PHI	Cecil	44 min
May 12, 7:16 PM EDT	Mesoscale Discussion	SPC	Anne Arundel, Baltimore, Caroline, Carroll, Cecil, Harford and 5 more	59 min
May 12, 7:25 PM EDT	Severe Thunderstorm Warning	PHI	Caroline, Cecil, Kent, Queen Anne's	50 min
May 12, 7:43 PM EDT	Special Weather Statement	PHI	Cecil	32 min
May 12, 7:44 PM EDT	Severe Thunderstorm Warning	LWX	Baltimore, Harford, City of Baltimore	46 min
May 12, 7:45 PM EDT	Severe Thunderstorm Warning	PHI	Cecil	45 min
May 12, 7:46 PM EDT	Severe Thunderstorm Warning	LWX	Prince George's	22 min
May 12, 7:57 PM EDT	Areal Flood Advisory	PHI	Caroline, Cecil, Kent, Queen Anne's	4 hr
May 12, 8:02 PM EDT	Severe Thunderstorm Warning	LWX	Anne Arundel	43 min
May 12, 8:11 PM EDT	Severe Thunderstorm Warning	PHI	Caroline, Cecil, Kent, Queen Anne's	49 min
May 12, 8:28 PM EDT	Severe Thunderstorm Warning	LWX	Anne Arundel, Calvert, Prince George's	62 min
May 12, 8:40 PM EDT	Severe Thunderstorm Warning	PHI	Caroline, Kent, Queen Anne's, Talbot	50 min
May 12, 8:47 PM EDT	Severe Thunderstorm Warning	LWX	Calvert, Charles, Prince George's, Saint Mary's	88 min
May 12, 8:50 PM EDT	Flash Flood Warning	PHI	Caroline, Kent, Queen Anne's	3 hr
May 12, 8:51 PM EDT	Severe Thunderstorm Warning	PHI	Caroline, Kent, Queen Anne's	39 min
May 12, 9:14 PM EDT	Areal Flood Advisory	PHI	Caroline, Kent, Queen Anne's, Talbot	2 hr
May 12, 9:14 PM EDT	Mesoscale Discussion	SPC	Caroline, Talbot	61 min
May 12, 9:16 PM EDT	Severe Thunderstorm Warning	AKQ	Dorchester, Wicomico	59 min
May 12, 9:27 PM EDT	Severe Thunderstorm Warning	PHI	Caroline, Queen Anne's, Talbot	63 min
May 12, 9:33 PM EDT	Special Weather Statement	AKQ	Worcester	57 min
May 12, 10:22 PM EDT	Special Weather Statement	AKQ	Dorchester, Somerset, Wicomico, Worcester	53 min
May 12, 11:04 PM EDT	Special Weather Statement	AKQ	Worcester	41 min
May 12, 11:20 PM EDT	Special Weather Statement	AKQ	Worcester	40 min
May 12, 11:29 PM EDT	Special Weather Statement	AKQ	Somerset	46 min
May 13, 12:20 AM EDT	Special Weather Statement	AKQ	Somerset	40 min
May 13, 12:46 AM EDT	Severe Thunderstorm Warning	AKQ	Somerset, Worcester	29 min
May 13, 1:13 AM EDT	Special Weather Statement	AKQ	Worcester	47 min
May 13, 1:57 AM EDT	Special Weather Statement	AKQ	Worcester	48 min
May 13, 1:56 PM EDT	Mesoscale Discussion	SPC	Allegany, Garrett	2 hr
May 13, 4:28 PM EDT	Severe Thunderstorm Watch	SPC	Allegany, Garrett, Washington	7 hr
May 13, 6:05 PM EDT	Severe Thunderstorm Warning	LWX	Allegany, Washington	55 min
May 13, 6:50 PM EDT	Severe Thunderstorm Warning	LWX	Allegany, Washington	40 min
May 13, 7:00 PM EDT	Mesoscale Discussion	SPC	Charles, Garrett	60 min
May 13, 7:22 PM EDT	Severe Thunderstorm Warning	LWX	Washington	25 min
May 13, 9:17 PM EDT	Coastal Flood Advisory	LWX	Anne Arundel, Saint Mary's	9 hr
May 13, 10:12 PM EDT	Severe Thunderstorm Warning	LWX	Charles, Prince George's	48 min
May 13, 10:17 PM EDT	Special Weather Statement	PHI	Cecil	28 min
May 13, 10:21 PM EDT	Severe Thunderstorm Warning	LWX	Prince George's	39 min
May 13, 11:03 PM EDT	Special Weather Statement	AKQ	Dorchester	27 min
May 13, 11:19 PM EDT	Severe Thunderstorm Warning	AKQ	Dorchester	26 min
May 13, 11:20 PM EDT	Special Weather Statement	PHI	Caroline	55 min
May 13, 11:30 PM EDT	Special Weather Statement	PHI	Queen Anne's	45 min
May 14, 2:12 AM EDT	Special Weather Statement	AKQ	Wicomico, Worcester	63 min
May 14, 5:32 AM EDT	Dense Fog Advisory	LWX	Allegany, Washington	4 hr
May 14, 11:56 AM EDT	Mesoscale Discussion	SPC	Allegany, Carroll, Frederick, Garrett, Howard, Montgomery and 1 more	64 min
May 14, 12:29 PM EDT	Severe Thunderstorm Watch	SPC	Allegany, Anne Arundel, Baltimore, Calvert, Carroll, Charles and 9 more	9 hr
May 14, 3:26 PM EDT	Mesoscale Discussion	SPC	Allegany, Anne Arundel, Baltimore, Calvert, Carroll, Charles and 10 more	2 hr
May 14, 3:41 PM EDT	Special Weather Statement	CTP	Allegany	34 min
May 14, 4:12 PM EDT	Severe Thunderstorm Warning	LWX	Allegany	48 min
May 14, 4:19 PM EDT	Severe Thunderstorm Warning	LWX	Allegany, Washington	41 min
May 14, 4:51 PM EDT	Severe Thunderstorm Warning	LWX	Washington	39 min
May 14, 5:13 PM EDT	Severe Thunderstorm Warning	LWX	Frederick, Washington	47 min
May 14, 5:29 PM EDT	Severe Thunderstorm Warning	LWX	Montgomery	61 min
May 14, 5:37 PM EDT	Mesoscale Discussion	SPC	Somerset	53 min
May 14, 5:49 PM EDT	Tornado Warning	LWX	Montgomery	26 min
May 14, 6:07 PM EDT	Severe Thunderstorm Warning	LWX	Montgomery, Prince George's	53 min
May 14, 6:11 PM EDT	Severe Thunderstorm Watch	SPC	Dorchester, Somerset, Wicomico, Worcester	4 hr
May 14, 6:12 PM EDT	Tornado Warning	LWX	Montgomery	33 min
May 14, 6:33 PM EDT	Severe Thunderstorm Warning	LWX	Charles, Prince George's	57 min
May 14, 6:56 PM EDT	Flash Flood Warning	LWX	Montgomery	3 hr
May 14, 7:00 PM EDT	Severe Thunderstorm Warning	LWX	Charles, Montgomery, Prince George's	30 min
May 14, 7:12 PM EDT	Severe Thunderstorm Warning	LWX	Anne Arundel, Calvert, Charles, Prince George's, Saint Mary's	63 min
May 14, 7:22 PM EDT	Mesoscale Discussion	SPC	Anne Arundel, Calvert, Charles, Howard, Prince George's, Saint Mary's and 1 more	53 min
May 14, 7:42 PM EDT	Special Weather Statement	PHI	Kent, Queen Anne's, Talbot	63 min
May 14, 7:45 PM EDT	Areal Flood Warning	LWX	Prince George's	2 hr
May 14, 8:11 PM EDT	Severe Thunderstorm Warning	AKQ	Dorchester, Somerset, Wicomico	34 min
May 14, 10:36 PM EDT	Coastal Flood Advisory	LWX	Saint Mary's	6 hr
May 15, 2:42 AM EDT	Flash Flood Watch	PBZ		20 hr
May 15, 3:40 AM EDT	Flash Flood Watch	PHI	Caroline, Cecil, Kent, Queen Anne's, Talbot	21 hr
May 15, 4:33 AM EDT	Flash Flood Watch	LWX	Allegany, Anne Arundel, Baltimore, Carroll, Frederick, Harford and 5 more	20 hr
May 15, 1:46 PM EDT	Severe Thunderstorm Watch	SPC	Caroline, Cecil, Kent, Queen Anne's, Talbot	9 hr
May 15, 3:33 PM EDT	Mesoscale Discussion	SPC	Cecil, Harford	117 min
May 15, 5:43 PM EDT	Mesoscale Discussion	SPC	Anne Arundel, Baltimore, Calvert, Caroline, Charles, Dorchester and 10 more	92 min
May 15, 5:54 PM EDT	Severe Thunderstorm Watch	SPC	Anne Arundel, Baltimore, Carroll, Frederick, Harford, Howard and 3 more	4 hr
May 15, 6:07 PM EDT	Severe Thunderstorm Warning	LWX	Carroll, Frederick	38 min
May 15, 6:33 PM EDT	Severe Thunderstorm Warning	LWX	Baltimore, Carroll, Harford	42 min
May 15, 6:35 PM EDT	Severe Thunderstorm Warning	LWX	Carroll, Frederick	40 min
May 15, 6:35 PM EDT	Severe Thunderstorm Warning	PHI	Cecil, Kent	40 min
May 15, 6:55 PM EDT	Severe Thunderstorm Warning	LWX	Baltimore, Carroll, Frederick, Harford, Howard, Montgomery and 1 more	65 min
May 15, 6:58 PM EDT	Areal Flood Advisory	PHI	Cecil	4 hr
May 15, 7:16 PM EDT	Severe Thunderstorm Warning	LWX	Baltimore, Carroll, Frederick, Harford	44 min
May 15, 7:17 PM EDT	Areal Flood Warning	LWX	Baltimore, Carroll, Frederick, Harford	4 hr
May 15, 7:18 PM EDT	Severe Thunderstorm Warning	LWX	Frederick, Washington	42 min
May 15, 7:18 PM EDT	Severe Thunderstorm Warning	PHI	Cecil	57 min
May 15, 7:41 PM EDT	Flash Flood Warning	LWX	Frederick	3 hr
May 15, 7:54 PM EDT	Severe Thunderstorm Warning	LWX	Frederick, Montgomery, Washington	51 min
May 15, 7:56 PM EDT	Flash Flood Warning	LWX	Frederick	3 hr
May 15, 8:01 PM EDT	Areal Flood Warning	LWX	Baltimore, Carroll, Frederick, Harford	5 hr
May 15, 8:20 PM EDT	Flash Flood Warning	LWX	Frederick, Washington	3 hr
May 15, 8:25 PM EDT	Areal Flood Warning	LWX	Anne Arundel, Baltimore, Carroll, Frederick, Harford, Howard and 2 more	5 hr
May 15, 8:34 PM EDT	Severe Thunderstorm Warning	LWX	Montgomery, Prince George's	41 min
May 15, 8:40 PM EDT	Flash Flood Warning Emergency	LWX	Frederick	3 hr
May 15, 8:41 PM EDT	Mesoscale Discussion	SPC	Anne Arundel, Baltimore, Calvert, Caroline, Charles, Dorchester and 7 more	94 min
May 15, 8:43 PM EDT	Areal Flood Advisory	PHI	Caroline, Kent, Queen Anne's, Talbot	4 hr
May 15, 8:52 PM EDT	Areal Flood Warning	LWX	Frederick, Montgomery	3 hr
May 15, 8:52 PM EDT	Areal Flood Warning	LWX	Frederick, Montgomery	13 hr
May 15, 9:19 PM EDT	Areal Flood Warning	LWX	Anne Arundel, Baltimore, Howard, Prince George's, City of Baltimore	9 hr
May 15, 9:52 PM EDT	Special Weather Statement	AKQ	Dorchester, Wicomico, Worcester	53 min
May 15, 10:01 PM EDT	Areal Flood Advisory	PHI	Caroline, Talbot	4 hr
May 15, 10:10 PM EDT	Areal Flood Warning	LWX	Frederick, Montgomery, Washington	8 hr
May 15, 10:32 PM EDT	Areal Flood Warning	LWX	Frederick, Washington	11 hr
May 15, 10:45 PM EDT	Special Weather Statement	AKQ	Dorchester, Wicomico, Worcester	60 min
May 15, 11:33 PM EDT	Areal Flood Advisory	AKQ	Dorchester, Wicomico	3 hr
May 16, 6:05 AM EDT	Areal Flood Warning	LWX	Frederick, Montgomery	4 hr
May 16, 1:30 PM EDT	Flood Watch	PBZ		56 hr
May 16, 1:40 PM EDT	Flood Watch	LWX	Allegany, Anne Arundel, Baltimore, Calvert, Carroll, Charles and 8 more	3 days
May 16, 3:35 PM EDT	Flood Watch	PHI	Caroline, Cecil, Kent, Queen Anne's, Talbot	3 days
May 16, 4:41 PM EDT	Areal Flood Warning	LWX	Frederick	18 hr
May 16, 6:38 PM EDT	Areal Flood Warning	LWX	Frederick, Washington	16 hr
May 16, 9:51 PM EDT	Dense Fog Advisory	AKQ	Worcester	6 hr
May 17, 2:32 AM EDT	Areal Flood Advisory	PHI	Cecil	4 hr
May 17, 6:57 AM EDT	River Flood Warning	LWX	Frederick	27 hr
May 17, 2:32 PM EDT	Flood Watch	AKQ	Dorchester, Somerset, Wicomico, Worcester	51 hr
May 17, 3:27 PM EDT	River Flood Warning	LWX	Montgomery	18 hr
May 17, 3:40 PM EDT	River Flood Warning	LWX	Allegany	31 hr
May 17, 3:42 PM EDT	River Flood Warning	LWX	Washington	4 days
May 17, 3:43 PM EDT	River Flood Warning	LWX	Washington	36 hr
May 17, 3:43 PM EDT	River Flood Warning	LWX	Frederick	4 days
May 17, 3:44 PM EDT	River Flood Warning	LWX	Montgomery	4 days
May 17, 3:44 PM EDT	River Flood Warning	LWX	Montgomery	3 days
May 17, 3:50 PM EDT	Coastal Flood Advisory	LWX	Anne Arundel, Charles, Harford, Saint Mary's	3 days
May 17, 8:43 PM EDT	Areal Flood Warning	LWX	Prince George's	56 hr
May 18, 3:04 AM EDT	Areal Flood Warning	LWX	Calvert, Charles, Prince George's, Saint Mary's	51 hr
May 18, 5:44 AM EDT	Areal Flood Advisory	PHI	Caroline, Talbot	3 hr
May 18, 7:27 AM EDT	Areal Flood Advisory	AKQ	Dorchester, Somerset, Wicomico, Worcester	4 hr
May 18, 8:34 AM EDT	Areal Flood Advisory	AKQ	Somerset, Wicomico, Worcester	116 min
May 18, 8:34 AM EDT	Areal Flood Advisory	PHI	Caroline, Talbot	10 hr
May 18, 9:06 AM EDT	Areal Flood Warning	LWX	Anne Arundel	23 hr
May 18, 11:29 AM EDT	Areal Flood Warning	AKQ	Dorchester, Somerset, Wicomico, Worcester	6 hr
May 18, 5:23 PM EDT	Areal Flood Warning	AKQ	Dorchester, Somerset, Wicomico, Worcester	12 hr
May 19, 1:59 AM EDT	Areal Flood Warning	LWX	Carroll, Frederick, Washington	27 hr
May 19, 5:03 AM EDT	Areal Flood Warning	AKQ	Dorchester, Somerset, Wicomico, Worcester	6 hr
May 19, 5:12 AM EDT	Areal Flood Advisory	PHI	Caroline, Kent, Queen Anne's, Talbot	3 hr
May 19, 10:59 AM EDT	Areal Flood Warning	AKQ	Dorchester, Somerset, Wicomico, Worcester	6 hr
May 19, 1:19 PM EDT	Flash Flood Warning	LWX	Calvert, Saint Mary's	3 hr
May 19, 1:50 PM EDT	Areal Flood Advisory	PHI	Caroline, Kent, Queen Anne's, Talbot	4 hr
May 19, 3:56 PM EDT	Coastal Flood Advisory	LWX	Saint Mary's	16 hr
May 19, 4:08 PM EDT	Areal Flood Warning	LWX	Calvert	4 hr
May 19, 5:14 PM EDT	Areal Flood Warning	AKQ	Worcester	72 hr
May 19, 6:56 PM EDT	Coastal Flood Advisory	AKQ	Dorchester, Somerset, Wicomico	15 hr
May 19, 8:40 PM EDT	Dense Fog Advisory	LWX	Baltimore, Harford, City of Baltimore	3 hr
May 19, 8:41 PM EDT	Areal Flood Warning	PHI	Caroline	21 hr
May 19, 9:27 PM EDT	Dense Fog Advisory	PHI	Cecil	9 hr
May 22, 1:52 PM EDT	Mesoscale Discussion	SPC	Calvert, Charles, Prince George's, Saint Mary's	113 min
May 22, 2:33 PM EDT	Severe Thunderstorm Watch	SPC	Anne Arundel, Calvert, Charles, Howard, Montgomery, Prince George's and 1 more	6 hr
May 22, 3:25 PM EDT	Severe Thunderstorm Warning	LWX	Frederick, Montgomery	50 min
May 22, 4:43 PM EDT	Areal Flood Warning	LWX	Montgomery, Prince George's	4 hr
May 22, 4:50 PM EDT	Mesoscale Discussion	SPC	Anne Arundel, Calvert, Charles, Montgomery, Prince George's, Saint Mary's	115 min
May 22, 5:08 PM EDT	Severe Thunderstorm Warning	LWX	Charles, Prince George's	52 min
May 22, 5:17 PM EDT	Areal Flood Warning	LWX	Montgomery	4 hr
May 22, 5:24 PM EDT	Severe Thunderstorm Warning	LWX	Anne Arundel	16 min
May 22, 5:47 PM EDT	Special Weather Statement	PHI	Talbot	28 min
May 22, 6:19 PM EDT	Special Weather Statement	AKQ	Dorchester	56 min
May 22, 7:18 PM EDT	Special Weather Statement	AKQ	Wicomico, Worcester	42 min
May 22, 7:24 PM EDT	Mesoscale Discussion	SPC	Calvert, Saint Mary's	96 min
May 25, 3:29 PM EDT	Coastal Flood Statement	AKQ	Dorchester	11 hr
May 26, 3:25 PM EDT	Severe Thunderstorm Warning	LWX	Montgomery, Prince George's	22 min
May 26, 3:32 PM EDT	Areal Flood Warning	LWX	Montgomery, Prince George's	2 hr
May 26, 4:38 PM EDT	Severe Thunderstorm Warning	LWX	Washington	52 min
May 26, 4:56 PM EDT	Areal Flood Warning	LWX	Washington	5 hr
May 26, 5:25 PM EDT	Severe Thunderstorm Warning	LWX	Washington	28 min
May 26, 7:03 PM EDT	Areal Flood Warning	LWX	Allegany	5 hr
May 26, 11:38 PM EDT	Flash Flood Watch	PHI	Caroline, Cecil, Kent, Queen Anne's, Talbot	23 hr
May 27, 12:39 AM EDT	Special Weather Statement	AKQ	Worcester	66 min
May 27, 4:25 AM EDT	Flash Flood Watch	LWX	Allegany, Anne Arundel, Baltimore, Calvert, Carroll, Charles and 8 more	16 hr
May 27, 1:28 PM EDT	Areal Flood Warning	LWX	Baltimore, City of Baltimore	7 hr
May 27, 1:29 PM EDT	Mesoscale Discussion	SPC	Anne Arundel, Baltimore, Calvert, Carroll, Charles, Dorchester and 9 more	3 hr
May 27, 1:52 PM EDT	Areal Flood Warning	LWX	Baltimore, Harford	7 hr
May 27, 2:01 PM EDT	Flash Flood Warning	LWX	Baltimore, City of Baltimore	3 hr
May 27, 2:48 PM EDT	Flash Flood Watch	AKQ	Dorchester, Somerset, Wicomico, Worcester	12 hr
May 27, 3:10 PM EDT	Areal Flood Warning	LWX	Baltimore	6 hr
May 27, 3:19 PM EDT	Areal Flood Warning	LWX	Baltimore, Howard, City of Baltimore	3 hr
May 27, 3:37 PM EDT	Tornado Warning	LWX	Baltimore, Carroll	11 min
May 27, 4:09 PM EDT	Severe Thunderstorm Warning	LWX	Anne Arundel, Baltimore, City of Baltimore	51 min
May 27, 4:15 PM EDT	Severe Thunderstorm Warning	PHI	Kent, Queen Anne's	60 min
May 27, 4:23 PM EDT	Areal Flood Warning	LWX	Anne Arundel, Howard	24 hr
May 27, 4:26 PM EDT	Flash Flood Warning Emergency	LWX	Baltimore, Howard	6 hr
May 27, 4:32 PM EDT	Areal Flood Warning	LWX	Allegany	4 hr
May 27, 4:48 PM EDT	Areal Flood Warning	LWX	Baltimore, Carroll, Frederick, Howard	6 hr
May 27, 4:50 PM EDT	Flash Flood Warning	LWX	Baltimore, City of Baltimore	5 hr
May 27, 4:52 PM EDT	Areal Flood Advisory	PHI	Caroline, Kent, Queen Anne's	4 hr
May 27, 5:06 PM EDT	Flash Flood Warning Emergency	LWX	Anne Arundel, Baltimore, Howard	5 hr
May 27, 5:14 PM EDT	Special Weather Statement	PHI	Caroline, Queen Anne's	61 min
May 27, 5:47 PM EDT	Flash Flood Warning	LWX	Baltimore, Carroll, Frederick, Howard, City of Baltimore	4 hr
May 27, 5:51 PM EDT	Flash Flood Warning	LWX	Anne Arundel, Howard	7 hr
May 27, 6:18 PM EDT	Areal Flood Advisory	PHI	Caroline, Talbot	3 hr
May 27, 6:31 PM EDT	Flash Flood Warning	LWX	Howard	4 hr
May 27, 7:25 PM EDT	Special Weather Statement	AKQ	Dorchester	80 min
May 27, 7:28 PM EDT	Areal Flood Warning	LWX	Calvert	10 hr
May 27, 7:46 PM EDT	Areal Flood Advisory	PHI	Caroline, Talbot	4 hr
May 27, 8:14 PM EDT	Special Weather Statement	AKQ	Wicomico, Worcester	46 min
May 27, 8:58 PM EDT	Special Weather Statement	AKQ	Somerset, Wicomico, Worcester	77 min
May 27, 9:20 PM EDT	Areal Flood Warning	LWX	Anne Arundel, Prince George's	12 hr
May 27, 10:19 PM EDT	Areal Flood Advisory	AKQ	Somerset, Worcester	3 hr
May 27, 10:19 PM EDT	Areal Flood Warning	LWX	Baltimore, Howard	18 hr
May 28, 8:51 PM EDT	Coastal Flood Advisory	LWX	Anne Arundel, Baltimore, Harford, City of Baltimore	15 hr
May 28, 10:29 PM EDT	Coastal Flood Advisory	LWX	Saint Mary's	6 hr
May 29, 1:49 AM EDT	Coastal Flood Statement	AKQ	Dorchester	4 hr
May 30, 1:55 AM EDT	Dense Fog Advisory	AKQ	Dorchester, Somerset, Wicomico, Worcester	7 hr
May 30, 4:43 AM EDT	Dense Fog Advisory	PHI	Caroline, Talbot	4 hr
May 31, 4:06 AM EDT	Flash Flood Watch	LWX	Allegany, Anne Arundel, Baltimore, Carroll, Frederick, Harford and 5 more	17 hr
May 31, 4:10 PM EDT	Severe Thunderstorm Warning	LWX	Carroll, Frederick, Washington	50 min
May 31, 4:44 PM EDT	Areal Flood Warning	LWX	Frederick, Montgomery, Washington	2 hr
May 31, 5:12 PM EDT	Flash Flood Warning	LWX	Frederick, Washington	97 min
May 31, 6:15 PM EDT	Special Weather Statement	LWX	Howard	75 min
May 31, 6:37 PM EDT	Flash Flood Warning	LWX	Baltimore, Howard, City of Baltimore	2 hr
May 31, 7:29 PM EDT	Areal Flood Warning	LWX	Howard	2 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	57
Tornado Warning	3
Severe Thunderstorm Watch	8
Tornado Watch	1
Mesoscale Discussion	20
Special Weather Statement	28
Flooding
Areal Flood Warning	40
Flash Flood Warning	16
River Flood Warning	8
Flash Flood Watch	7
Flood Watch	4
Areal Flood Advisory	17
Fog and smoke
Dense Fog Advisory	8
Coast and beach
Coastal Flood Advisory	7
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 2017 2019

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.