Weather alerts in Maryland, December 2015

42 weather alerts in December 2015, 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 December 2015. Tap one for its archive.

Alerts: 42
Warnings: 4
Watches: 3
Advisories: 27
Busiest day: December 25, 20158 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
Dec 1, 10:47 PM EST	Dense Fog Advisory	LWX	Anne Arundel, Baltimore, Carroll, Frederick, Harford, Howard and 4 more	17 hr
Dec 6, 9:28 PM EST	Dense Fog Advisory	LWX	Frederick, Montgomery, Washington	6 hr
Dec 9, 6:14 AM EST	Dense Fog Advisory	LWX	Frederick, Montgomery	7 hr
Dec 10, 3:16 AM EST	Dense Fog Advisory	LWX	Allegany, Anne Arundel, Baltimore, Carroll, Charles, Frederick and 6 more	8 hr
Dec 13, 9:46 PM EST	Dense Fog Advisory	PHI	Caroline, Cecil, Kent, Queen Anne's, Talbot	12 hr
Dec 14, 4:20 AM EST	Coastal Flood Watch	LWX	Baltimore, City of Baltimore	6 hr
Dec 14, 10:18 AM EST	Coastal Flood Advisory	LWX	Anne Arundel, Baltimore, Harford, City of Baltimore	14 hr
Dec 14, 7:23 PM EST	Wind Advisory	LWX	Allegany	10 hr
Dec 17, 7:09 PM EST	Coastal Flood Advisory	LWX	Anne Arundel	5 hr
Dec 17, 7:37 PM EST	Dense Fog Advisory	PHI	Cecil, Kent	110 min
Dec 17, 9:57 PM EST	Dense Fog Advisory	LWX	Washington	5 hr
Dec 18, 8:49 PM EST	Special Weather Statement	PBZ	Garrett	26 min
Dec 18, 9:25 PM EST	Special Weather Statement	PBZ	Garrett	80 min
Dec 22, 10:22 AM EST	Special Weather Statement	AKQ	Dorchester, Somerset, Wicomico, Worcester	53 min
Dec 22, 10:15 PM EST	Dense Fog Advisory	LWX	Allegany, Baltimore, Carroll, Frederick, Harford, Washington	14 hr
Dec 23, 6:19 PM EST	Areal Flood Advisory	PHI	Cecil	116 min
Dec 23, 6:24 PM EST	Flash Flood Warning	LWX	Anne Arundel, Baltimore, City of Baltimore	3 hr
Dec 24, 3:44 AM EST	Flash Flood Watch	LWX	Anne Arundel, Baltimore, Howard, Montgomery, Prince George's, City of Baltimore	10 hr
Dec 24, 12:30 PM EST	Special Weather Statement	AKQ	Worcester	30 min
Dec 24, 2:39 PM EST	Coastal Flood Advisory	LWX	Anne Arundel	71 min
Dec 24, 6:08 PM EST	Special Weather Statement	AKQ	Worcester	37 min
Dec 24, 10:03 PM EST	Special Weather Statement	PHI	Caroline, Talbot	42 min
Dec 24, 10:15 PM EST	Areal Flood Advisory	PHI	Caroline, Queen Anne's, Talbot	4 hr
Dec 24, 10:40 PM EST	Special Weather Statement	PHI	Caroline, Talbot	80 min
Dec 25, 1:12 AM EST	Dense Fog Advisory	PHI	Caroline, Cecil, Kent, Queen Anne's, Talbot	9 hr
Dec 25, 4:14 AM EST	Dense Fog Advisory	LWX	Allegany, Carroll, Frederick, Montgomery, Washington	9 hr
Dec 25, 1:19 PM EST	Flash Flood Watch	LWX	Anne Arundel, Baltimore, Carroll, Frederick, Harford, Howard and 4 more	6 hr
Dec 25, 4:15 PM EST	Flash Flood Warning	LWX	Anne Arundel, Baltimore, Howard, City of Baltimore	4 hr
Dec 25, 4:54 PM EST	Flash Flood Warning	LWX	Baltimore, Harford	4 hr
Dec 25, 7:29 PM EST	River Flood Warning	LWX	Montgomery	22 hr
Dec 26, 12:17 AM EST	Dense Fog Advisory	LWX	Baltimore, Carroll, Frederick, Harford, Washington	9 hr
Dec 26, 12:22 AM EST	Dense Fog Advisory	PHI	Caroline, Cecil, Kent, Queen Anne's, Talbot	3 hr
Dec 27, 12:43 AM EST	Dense Fog Advisory	AKQ	Dorchester, Somerset, Wicomico, Worcester	8 hr
Dec 27, 3:00 AM EST	Dense Fog Advisory	PHI	Caroline, Cecil, Kent, Queen Anne's, Talbot	6 hr
Dec 27, 2:52 PM EST	Freezing Rain Advisory	PBZ		37 hr
Dec 28, 3:10 AM EST	Wind Advisory	PBZ		25 hr
Dec 28, 12:27 PM EST	Freezing Rain Advisory	LWX	Allegany	15 hr
Dec 29, 9:28 AM EST	Coastal Flood Advisory	LWX	Anne Arundel, Baltimore, Calvert, Saint Mary's, City of Baltimore	13 hr
Dec 29, 10:24 AM EST	Coastal Flood Statement	AKQ	Dorchester, Somerset, Wicomico	11 hr
Dec 30, 12:08 AM EST	Dense Fog Advisory	LWX	Anne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 7 more	11 hr
Dec 30, 1:18 AM EST	Dense Fog Advisory	PHI	Cecil	9 hr
Dec 31, 1:18 AM EST	Dense Fog Advisory	LWX	Baltimore, Carroll, Frederick, Harford, Howard, Montgomery and 1 more	9 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
Special Weather Statement	7
Flooding
Flash Flood Warning	3
River Flood Warning	1
Flash Flood Watch	2
Areal Flood Advisory	2
Winter
Freezing Rain Advisory	2
Wind and dust
Wind Advisory	2
Fog and smoke
Dense Fog Advisory	17
Coast and beach
Coastal Flood Watch	1
Coastal Flood Advisory	4
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 2014 2016

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.