Weather alerts in Maryland, December 2019

42 weather alerts in December 2019, 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 2019. Tap one for its archive.

Alerts: 42
Warnings: 10
Watches: 1
Advisories: 26
Busiest day: December 1, 20197 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
Nov 30, 11:48 PM EST	Coastal Flood Advisory	LWX	Harford	104 min
Dec 1, 5:45 AM EST	Mesoscale Discussion	SPC	Garrett	6 hr
Dec 1, 7:00 AM EST	Coastal Flood Advisory	LWX	Anne Arundel, Baltimore, Calvert, Saint Mary's, City of Baltimore	18 hr
Dec 1, 1:52 PM EST	Coastal Flood Statement	AKQ	Dorchester, Somerset, Wicomico	7 hr
Dec 1, 3:10 PM EST	Winter Weather Advisory	LWX	Allegany	27 hr
Dec 1, 3:58 PM EST	Winter Weather Advisory	PBZ		41 hr
Dec 1, 5:06 PM EST	Coastal Flood Advisory	AKQ	Dorchester	5 hr
Dec 4, 3:15 AM EST	Winter Weather Advisory	PBZ		30 hr
Dec 4, 7:19 PM EST	Coastal Flood Advisory	LWX	Anne Arundel	6 hr
Dec 10, 2:28 PM EST	Winter Weather Advisory	LWX	Baltimore, Carroll, Frederick, Harford, Howard, Montgomery and 1 more	15 hr
Dec 12, 1:32 PM EST	Winter Weather Advisory	PBZ		23 hr
Dec 12, 1:51 PM EST	Winter Weather Advisory	LWX	Allegany, Frederick, Washington	28 hr
Dec 13, 4:59 PM EST	Dense Fog Advisory	LWX	Anne Arundel, Baltimore, Carroll, Frederick, Harford, Howard and 4 more	6 hr
Dec 14, 12:32 PM EST	Coastal Flood Statement	AKQ	Dorchester, Somerset, Wicomico	4 hr
Dec 14, 6:26 PM EST	Coastal Flood Advisory	LWX	Anne Arundel	2 hr
Dec 15, 4:09 AM EST	Winter Weather Advisory	PBZ		30 hr
Dec 15, 11:44 AM EST	Winter Storm Warning	PBZ		23 hr
Dec 15, 2:51 PM EST	Winter Storm Warning	LWX	Allegany	20 hr
Dec 15, 2:51 PM EST	Winter Weather Advisory	LWX	Allegany, Baltimore, Carroll, Frederick, Harford, Howard and 3 more	37 hr
Dec 15, 3:24 PM EST	Winter Weather Advisory	PHI	Cecil	51 hr
Dec 16, 10:31 AM EST	Ice Storm Warning	LWX	Allegany	24 hr
Dec 16, 10:37 AM EST	Ice Storm Warning	PBZ		24 hr
Dec 16, 3:30 PM EST	Dense Fog Advisory	LWX	Allegany	14 hr
Dec 16, 4:10 PM EST	Flood Watch	PBZ		17 hr
Dec 16, 6:46 PM EST	Areal Flood Warning	PBZ	Garrett	9 hr
Dec 17, 3:54 AM EST	Areal Flood Warning	PBZ	Garrett	6 hr
Dec 17, 7:41 AM EST	Winter Weather Advisory	LWX	Allegany	3 hr
Dec 17, 11:47 AM EST	Dense Fog Advisory	LWX	Anne Arundel, Baltimore, Carroll, Charles, Frederick, Harford and 5 more	3 hr
Dec 17, 12:04 PM EST	Dense Fog Advisory	PHI	Caroline, Cecil, Kent, Queen Anne's, Talbot	6 hr
Dec 18, 6:16 PM EST	Special Weather Statement	PBZ	Garrett	44 min
Dec 18, 6:43 PM EST	Snow Squall Warning	LWX	Allegany	47 min
Dec 18, 6:54 PM EST	Snow Squall Warning	PBZ	Garrett	51 min
Dec 18, 8:28 PM EST	Snow Squall Warning	LWX	Baltimore, Carroll, Harford	47 min
Dec 26, 2:48 AM EST	Dense Fog Advisory	PHI	Caroline, Cecil, Kent, Queen Anne's, Talbot	9 hr
Dec 26, 5:23 AM EST	Dense Fog Advisory	AKQ	Dorchester, Somerset, Wicomico, Worcester	4 hr
Dec 26, 9:06 AM EST	Dense Fog Advisory	AKQ	Dorchester, Somerset, Wicomico, Worcester	114 min
Dec 30, 4:43 AM EST	Dense Fog Advisory	LWX	Allegany	4 hr
Dec 30, 11:26 AM EST	Dense Fog Advisory	AKQ	Worcester	5 hr
Dec 31, 1:26 PM EST	Coastal Flood Advisory	LWX	Anne Arundel, Baltimore, Calvert, Saint Mary's, City of Baltimore	13 hr
Dec 31, 2:10 PM EST	Coastal Flood Statement	AKQ	Somerset, Wicomico	5 hr
Dec 31, 2:10 PM EST	Coastal Flood Advisory	AKQ	Dorchester	8 hr
Dec 31, 6:34 PM EST	Coastal Flood Warning	LWX	Anne Arundel	4 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
Mesoscale Discussion	1
Special Weather Statement	1
Flooding
Areal Flood Warning	2
Flood Watch	1
Winter
Ice Storm Warning	2
Snow Squall Warning	3
Winter Storm Warning	2
Winter Weather Advisory	10
Fog and smoke
Dense Fog Advisory	9
Coast and beach
Coastal Flood Warning	1
Coastal Flood Advisory	7
Coastal Flood Statement	3

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 2018 2020

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.