Weather alerts in Maryland, April 2013

75 weather alerts in April 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 April 2013. Tap one for its archive.

Alerts: 75
Warnings: 16
Watches: 4
Advisories: 15
Busiest day: April 19, 201321 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, 1:25 AM EDT	Dense Fog Advisory	LWX	Anne Arundel, Calvert, Charles, Frederick, Prince George's, Saint Mary's	8 hr
Apr 1, 5:37 AM EDT	Dense Fog Advisory	AKQ	Dorchester, Somerset, Wicomico, Worcester	3 hr
Apr 2, 3:32 PM EDT	Fire Weather Watch	LWX	Allegany, Anne Arundel, Baltimore, Calvert, Carroll, Charles and 5 more	13 hr
Apr 2, 3:33 PM EDT	Fire Weather Watch	PHI	Caroline, Cecil, Kent, Queen Anne's, Talbot	12 hr
Apr 3, 3:44 AM EDT	Red Flag Warning	PHI	Cecil, Kent, Queen Anne's	18 hr
Apr 3, 4:30 AM EDT	Red Flag Warning	LWX	Allegany, Anne Arundel, Baltimore, Carroll, Frederick, Prince George's and 2 more	16 hr
Apr 5, 5:20 PM EDT	Frost Advisory	PHI	Caroline, Kent, Queen Anne's, Talbot	14 hr
Apr 10, 9:29 PM EDT	Special Weather Statement	LWX	Harford	31 min
Apr 10, 10:10 PM EDT	Special Weather Statement	PHI	Cecil, Kent, Queen Anne's	2 hr
Apr 10, 11:08 PM EDT	Special Weather Statement	LWX	Allegany	37 min
Apr 10, 11:11 PM EDT	Mesoscale Discussion	SPC	Baltimore, Carroll, Cecil, Frederick, Harford, Washington	94 min
Apr 11, 9:52 PM EDT	Coastal Flood Advisory	LWX	Anne Arundel	11 hr
Apr 12, 7:37 AM EDT	Special Weather Statement	PHI	Caroline, Cecil, Kent, Queen Anne's, Talbot	53 min
Apr 12, 8:39 AM EDT	Special Weather Statement	PHI	Caroline, Kent, Queen Anne's, Talbot	66 min
Apr 12, 9:41 AM EDT	Special Weather Statement	PHI	Caroline	64 min
Apr 12, 1:46 PM EDT	Coastal Flood Advisory	LWX	Anne Arundel	8 hr
Apr 12, 2:31 PM EDT	Special Weather Statement	AKQ	Dorchester	59 min
Apr 12, 2:42 PM EDT	Special Weather Statement	LWX	Calvert	18 min
Apr 12, 2:46 PM EDT	Special Weather Statement	PHI	Caroline, Talbot	59 min
Apr 12, 3:25 PM EDT	Special Weather Statement	AKQ	Dorchester	65 min
Apr 12, 6:12 PM EDT	Special Weather Statement	LWX	Frederick	18 min
Apr 12, 6:36 PM EDT	Special Weather Statement	LWX	Carroll	24 min
Apr 12, 6:51 PM EDT	Severe Thunderstorm Warning	LWX	Carroll, Frederick, Howard, Montgomery	39 min
Apr 12, 7:00 PM EDT	Special Weather Statement	LWX	Frederick	15 min
Apr 12, 7:04 PM EDT	Severe Thunderstorm Warning	LWX	Carroll, Frederick, Howard, Montgomery	41 min
Apr 12, 7:14 PM EDT	Special Weather Statement	LWX	Baltimore	31 min
Apr 12, 7:25 PM EDT	Special Weather Statement	LWX	Baltimore	35 min
Apr 12, 7:45 PM EDT	Special Weather Statement	LWX	Baltimore, Howard	30 min
Apr 12, 8:23 PM EDT	Special Weather Statement	LWX	Baltimore	22 min
Apr 12, 8:55 PM EDT	Special Weather Statement	LWX	Saint Mary's	25 min
Apr 12, 11:24 PM EDT	Special Weather Statement	PHI	Caroline	111 min
Apr 14, 4:14 AM EDT	Coastal Flood Advisory	LWX	Anne Arundel	5 hr
Apr 19, 1:27 PM EDT	Mesoscale Discussion	SPC	Anne Arundel, Baltimore, Calvert, Carroll, Cecil, Charles and 11 more	63 min
Apr 19, 1:29 PM EDT	Special Weather Statement	PBZ	Garrett	61 min
Apr 19, 2:31 PM EDT	Tornado Watch	SPC	Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 13 more	7 hr
Apr 19, 2:47 PM EDT	Special Weather Statement	LWX	Allegany	43 min
Apr 19, 4:09 PM EDT	Special Weather Statement	LWX	Allegany	51 min
Apr 19, 4:36 PM EDT	Mesoscale Discussion	SPC	Anne Arundel, Baltimore, Calvert, Carroll, Cecil, Charles and 9 more	114 min
Apr 19, 5:33 PM EDT	Special Weather Statement	LWX	Frederick, Washington	57 min
Apr 19, 6:05 PM EDT	Coastal Flood Advisory	LWX	Anne Arundel, Calvert	9 hr
Apr 19, 6:27 PM EDT	Severe Thunderstorm Watch	SPC	Somerset, Wicomico, Worcester	4 hr
Apr 19, 6:31 PM EDT	Severe Thunderstorm Warning	LWX	Charles	44 min
Apr 19, 6:43 PM EDT	Special Weather Statement	LWX	Carroll, Charles, Frederick, Howard, Montgomery	32 min
Apr 19, 6:48 PM EDT	Severe Thunderstorm Warning	LWX	Charles, Montgomery, Prince George's	42 min
Apr 19, 6:54 PM EDT	Mesoscale Discussion	SPC	Anne Arundel, Calvert, Caroline, Charles, Dorchester, Howard and 7 more	66 min
Apr 19, 7:00 PM EDT	Severe Thunderstorm Warning	LWX	Calvert, Charles, Prince George's, Saint Mary's	45 min
Apr 19, 7:07 PM EDT	Tornado Warning	LWX	Charles, Prince George's	23 min
Apr 19, 7:13 PM EDT	Special Weather Statement	PHI	Caroline, Cecil, Kent, Queen Anne's, Talbot	3 hr
Apr 19, 7:14 PM EDT	Special Weather Statement	LWX	Anne Arundel, Baltimore, Harford, City of Baltimore	31 min
Apr 19, 7:18 PM EDT	Severe Thunderstorm Warning	LWX	Anne Arundel, Calvert, Charles, Prince George's	42 min
Apr 19, 7:22 PM EDT	Severe Thunderstorm Warning	LWX	Calvert, Charles, Prince George's, Saint Mary's	38 min
Apr 19, 7:29 PM EDT	Severe Thunderstorm Warning	PHI	Caroline, Kent, Queen Anne's, Talbot	61 min
Apr 19, 7:44 PM EDT	Severe Thunderstorm Warning	LWX	Anne Arundel, Baltimore, City of Baltimore	46 min
Apr 19, 8:00 PM EDT	Severe Thunderstorm Warning	LWX	Calvert, Saint Mary's	30 min
Apr 19, 8:08 PM EDT	Severe Thunderstorm Warning	PHI	Cecil	52 min
Apr 19, 8:11 PM EDT	Special Weather Statement	AKQ	Dorchester	54 min
Apr 19, 8:11 PM EDT	Special Weather Statement	LWX	Harford	34 min
Apr 19, 8:50 PM EDT	Mesoscale Discussion	SPC	Somerset	55 min
Apr 19, 8:57 PM EDT	Special Weather Statement	AKQ	Somerset, Wicomico, Worcester	48 min
Apr 20, 6:09 PM EDT	Frost Advisory	PHI	Caroline, Cecil, Kent, Queen Anne's, Talbot	12 hr
Apr 20, 10:28 PM EDT	Freeze Warning	LWX	Baltimore, Carroll, Frederick	10 hr
Apr 21, 1:51 PM EDT	High Surf Advisory	AKQ	Worcester	50 hr
Apr 21, 2:46 PM EDT	Frost Advisory	LWX	Baltimore, Carroll, Frederick	18 hr
Apr 21, 3:19 PM EDT	Frost Advisory	PHI	Cecil	17 hr
Apr 23, 6:22 AM EDT	Coastal Flood Advisory	AKQ	Worcester	19 hr
Apr 23, 10:12 PM EDT	Coastal Flood Statement	AKQ	Dorchester, Somerset, Wicomico	7 hr
Apr 23, 11:22 PM EDT	Coastal Flood Advisory	LWX	Anne Arundel, Baltimore, Calvert, Saint Mary's, City of Baltimore	23 hr
Apr 24, 6:18 AM EDT	Coastal Flood Statement	AKQ	Dorchester, Somerset, Wicomico	24 hr
Apr 24, 3:36 PM EDT	Mesoscale Discussion	SPC	Carroll, Frederick, Washington	84 min
Apr 24, 4:41 PM EDT	Special Weather Statement	LWX	Washington	49 min
Apr 24, 4:59 PM EDT	Severe Thunderstorm Warning	LWX	Allegany, Washington	31 min
Apr 24, 6:44 PM EDT	Special Weather Statement	LWX	Washington	31 min
Apr 24, 6:59 PM EDT	Mesoscale Discussion	SPC	Anne Arundel, Baltimore, Carroll, Cecil, Charles, Frederick and 7 more	2 hr
Apr 25, 12:07 AM EDT	Coastal Flood Advisory	LWX	Anne Arundel, Calvert, Saint Mary's	5 hr
Apr 29, 10:34 PM EDT	Coastal Flood Advisory	LWX	Anne Arundel, Baltimore, Calvert, Saint Mary's, City of Baltimore	8 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	12
Tornado Warning	1
Severe Thunderstorm Watch	1
Tornado Watch	1
Mesoscale Discussion	7
Special Weather Statement	31
Cold
Freeze Warning	1
Frost Advisory	4
Fire
Red Flag Warning	2
Fire Weather Watch	2
Fog and smoke
Dense Fog Advisory	2
Coast and beach
Coastal Flood Advisory	8
High Surf Advisory	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 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. Warning verification from the Mesonet's Cow. Rebuilt daily.