Weather alerts in Maryland, May 2013

86 weather alerts in May 2013, 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 2013. Tap one for its archive.

Alerts: 86
Warnings: 23
Watches: 5
Advisories: 12
Busiest day: May 8, 201317 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, 8:17 PM EDT	Coastal Flood Advisory	LWX	Anne Arundel, Calvert, Saint Mary's	8 hr
May 5, 9:01 PM EDT	Coastal Flood Advisory	LWX	Anne Arundel, Calvert, Saint Mary's	11 hr
May 6, 1:45 PM EDT	Coastal Flood Advisory	LWX	Anne Arundel, Calvert, Saint Mary's	16 hr
May 7, 8:34 PM EDT	Coastal Flood Advisory	LWX	Anne Arundel	10 hr
May 8, 8:40 AM EDT	Flood Watch	LWX	Allegany	10 hr
May 8, 11:04 AM EDT	River Flood Watch	LWX	Frederick	23 hr
May 8, 2:13 PM EDT	Special Weather Statement	LWX	Frederick	32 min
May 8, 2:39 PM EDT	Special Weather Statement	LWX	Washington	36 min
May 8, 2:55 PM EDT	Special Weather Statement	LWX	Calvert	35 min
May 8, 3:13 PM EDT	Special Weather Statement	LWX	Washington	32 min
May 8, 3:23 PM EDT	Special Weather Statement	LWX	Charles	37 min
May 8, 3:25 PM EDT	Special Weather Statement	LWX	City of Baltimore	35 min
May 8, 3:39 PM EDT	Severe Thunderstorm Warning	LWX	Anne Arundel, Baltimore, Howard, City of Baltimore	36 min
May 8, 3:43 PM EDT	Special Weather Statement	LWX	Prince George's	32 min
May 8, 3:56 PM EDT	Special Weather Statement	LWX	Washington	34 min
May 8, 4:08 PM EDT	Flash Flood Warning	LWX	City of Baltimore	3 hr
May 8, 4:21 PM EDT	Special Weather Statement	LWX	Baltimore	24 min
May 8, 4:24 PM EDT	Special Weather Statement	LWX	Washington	36 min
May 8, 4:42 PM EDT	Severe Thunderstorm Warning	LWX	Montgomery	48 min
May 8, 5:12 PM EDT	Special Weather Statement	LWX	Montgomery	33 min
May 8, 11:27 PM EDT	Dense Fog Advisory	LWX	Anne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 3 more	9 hr
May 9, 10:15 AM EDT	River Flood Warning	LWX	Frederick	12 hr
May 10, 2:21 PM EDT	Mesoscale Discussion	SPC	Garrett	54 min
May 10, 3:48 PM EDT	Special Weather Statement	LWX	Allegany	12 min
May 10, 6:18 PM EDT	Special Weather Statement	LWX	Frederick	27 min
May 10, 7:58 PM EDT	Special Weather Statement	LWX	Frederick	32 min
May 10, 8:54 PM EDT	Special Weather Statement	LWX	Montgomery	36 min
May 11, 1:39 PM EDT	Special Weather Statement	PHI	Caroline	51 min
May 11, 1:44 PM EDT	Mesoscale Discussion	SPC	Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 15 more	91 min
May 11, 2:44 PM EDT	Special Weather Statement	PHI	Caroline, Queen Anne's, Talbot	61 min
May 11, 3:56 PM EDT	Special Weather Statement	AKQ	Worcester	34 min
May 11, 4:27 PM EDT	Special Weather Statement	PHI	Cecil	63 min
May 11, 4:30 PM EDT	Freeze Watch	LWX	Allegany	21 hr
May 11, 4:35 PM EDT	Special Weather Statement	LWX	Harford	25 min
May 11, 4:48 PM EDT	Severe Thunderstorm Warning	LWX	Harford	42 min
May 11, 5:10 PM EDT	Special Weather Statement	PHI	Cecil	65 min
May 11, 5:11 PM EDT	Special Weather Statement	LWX	Howard	34 min
May 11, 5:18 PM EDT	Severe Thunderstorm Warning	PHI	Cecil	42 min
May 11, 5:19 PM EDT	Special Weather Statement	LWX	Howard	26 min
May 11, 5:42 PM EDT	Special Weather Statement	LWX	Anne Arundel, City of Baltimore	33 min
May 11, 5:49 PM EDT	Severe Thunderstorm Warning	LWX	Anne Arundel, Prince George's	41 min
May 11, 6:40 PM EDT	Special Weather Statement	LWX	Anne Arundel, Prince George's	35 min
May 11, 7:11 PM EDT	Mesoscale Discussion	SPC	Calvert, Charles, Saint Mary's	64 min
May 11, 9:17 PM EDT	Special Weather Statement	LWX	Calvert	43 min
May 12, 1:53 PM EDT	Freeze Watch	LWX	Allegany, Carroll, Frederick, Washington	25 hr
May 12, 1:53 PM EDT	Freeze Warning	LWX	Allegany	18 hr
May 12, 4:35 PM EDT	Frost Advisory	LWX	Allegany, Washington	15 hr
May 13, 3:15 PM EDT	Frost Advisory	LWX	Baltimore, Carroll, Frederick, Prince George's	17 hr
May 13, 3:15 PM EDT	Freeze Warning	LWX	Allegany, Washington	17 hr
May 15, 5:07 PM EDT	Mesoscale Discussion	SPC	Allegany, Garrett	83 min
May 15, 10:21 PM EDT	Special Weather Statement	LWX	Howard, City of Baltimore	24 min
May 15, 11:04 PM EDT	Special Weather Statement	LWX	Harford	26 min
May 16, 12:04 PM EDT	Mesoscale Discussion	SPC	Calvert, Charles, Dorchester, Saint Mary's, Somerset	56 min
May 16, 1:57 PM EDT	Mesoscale Discussion	SPC	Saint Mary's, Somerset	3 hr
May 16, 6:42 PM EDT	Special Weather Statement	AKQ	Somerset	48 min
May 19, 3:45 AM EDT	Special Weather Statement	PBZ	Garrett	3 hr
May 20, 2:20 AM EDT	Dense Fog Advisory	PHI	Cecil	6 hr
May 22, 2:27 PM EDT	Severe Thunderstorm Watch	SPC	Garrett	7 hr
May 22, 3:53 PM EDT	Mesoscale Discussion	SPC	Allegany, Carroll, Frederick, Washington	67 min
May 22, 5:25 PM EDT	Severe Thunderstorm Warning	LWX	Washington	50 min
May 22, 6:20 PM EDT	Mesoscale Discussion	SPC	Frederick, Washington	85 min
May 22, 6:23 PM EDT	Severe Thunderstorm Warning	LWX	Frederick, Washington	37 min
May 23, 11:50 AM EDT	Mesoscale Discussion	SPC	Garrett	115 min
May 23, 3:37 PM EDT	Mesoscale Discussion	SPC	Anne Arundel, Baltimore, Calvert, Carroll, Cecil, Charles and 11 more	53 min
May 23, 5:44 PM EDT	Severe Thunderstorm Warning	LWX	Allegany, Washington	61 min
May 23, 6:16 PM EDT	Severe Thunderstorm Warning	LWX	Allegany, Washington	44 min
May 23, 6:26 PM EDT	Flash Flood Warning	LWX	Howard, Montgomery	6 hr
May 23, 7:09 PM EDT	Flash Flood Warning	LWX	Baltimore, Carroll	3 hr
May 23, 9:29 PM EDT	Special Weather Statement	PHI	Cecil	46 min
May 23, 10:43 PM EDT	Severe Thunderstorm Warning	LWX	Charles, Montgomery, Prince George's	47 min
May 24, 12:35 AM EDT	Special Weather Statement	PHI	Caroline	85 min
May 24, 12:43 AM EDT	Special Weather Statement	AKQ	Wicomico	47 min
May 24, 3:37 AM EDT	Freeze Warning	LWX	Allegany	28 hr
May 24, 3:41 AM EDT	Freeze Warning	PBZ		28 hr
May 25, 3:36 AM EDT	Frost Advisory	LWX	Allegany	26 hr
May 25, 3:50 AM EDT	Frost Advisory	PBZ		28 hr
May 26, 1:52 PM EDT	Frost Advisory	PBZ		18 hr
May 26, 2:37 PM EDT	Frost Advisory	LWX	Allegany	15 hr
May 28, 4:01 PM EDT	Mesoscale Discussion	SPC	Anne Arundel, Calvert, Caroline, Charles, Dorchester, Howard and 6 more	2 hr
May 28, 6:37 PM EDT	Severe Thunderstorm Warning	LWX	Prince George's	38 min
May 28, 7:21 PM EDT	Flash Flood Warning	LWX	Prince George's	3 hr
May 28, 7:31 PM EDT	Severe Thunderstorm Warning	LWX	Anne Arundel, Calvert, Charles, Prince George's, Saint Mary's	44 min
May 28, 7:58 PM EDT	Severe Thunderstorm Warning	LWX	Anne Arundel, Calvert, Charles, Prince George's	47 min
May 28, 8:43 PM EDT	Severe Thunderstorm Warning	PHI	Caroline, Talbot	92 min
May 28, 8:54 PM EDT	Special Weather Statement	AKQ	Dorchester	36 min
May 28, 9:29 PM EDT	Special Weather Statement	AKQ	Dorchester	46 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	14
Severe Thunderstorm Watch	1
Mesoscale Discussion	11
Special Weather Statement	35
Flooding
Flash Flood Warning	4
River Flood Warning	1
Flood Watch	1
River Flood Watch	1
Cold
Freeze Warning	4
Freeze Watch	2
Frost Advisory	6
Fog and smoke
Dense Fog Advisory	2
Coast and beach
Coastal Flood Advisory	4

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 2012 2014

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.