Weather alerts in Maryland, December 2017

32 weather alerts in December 2017, 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 2017. Tap one for its archive.

Alerts: 32
Warnings: 4
Watches: 0
Advisories: 26
Busiest day: December 8, 20177 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 5, 12:56 PM EST	Coastal Flood Advisory	LWX	Anne Arundel, Saint Mary's	10 hr
Dec 8, 3:04 AM EST	Winter Weather Advisory	PHI	Caroline, Cecil, Kent, Queen Anne's, Talbot	45 hr
Dec 8, 5:50 AM EST	Winter Weather Advisory	LWX	Anne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 6 more	51 hr
Dec 8, 6:06 AM EST	Winter Weather Advisory	AKQ	Dorchester, Somerset, Wicomico, Worcester	40 hr
Dec 8, 2:52 PM EST	Winter Storm Warning	LWX	Calvert, Charles, Saint Mary's	25 hr
Dec 8, 2:52 PM EST	Mesoscale Discussion	SPC	Dorchester, Saint Mary's, Somerset, Wicomico, Worcester	5 hr
Dec 8, 3:09 PM EST	Winter Storm Warning	AKQ	Dorchester, Somerset, Wicomico	28 hr
Dec 8, 3:34 PM EST	Winter Storm Warning	PHI	Caroline, Queen Anne's, Talbot	33 hr
Dec 9, 3:26 AM EST	Winter Weather Advisory	LWX	Baltimore, Harford	18 hr
Dec 11, 12:05 PM EST	Wind Chill Advisory	PBZ		48 hr
Dec 11, 12:05 PM EST	Winter Weather Advisory	PBZ		39 hr
Dec 11, 12:18 PM EST	Winter Weather Advisory	LWX	Allegany	33 hr
Dec 11, 1:19 PM EST	Wind Chill Advisory	LWX	Allegany	47 hr
Dec 13, 2:59 AM EST	Winter Weather Advisory	PBZ		31 hr
Dec 13, 3:47 AM EST	Winter Weather Advisory	LWX	Allegany	27 hr
Dec 13, 11:50 PM EST	Wind Advisory	LWX	Allegany	12 hr
Dec 15, 3:14 AM EST	Winter Weather Advisory	LWX	Anne Arundel, Baltimore, Carroll, Frederick, Harford, Howard and 3 more	14 hr
Dec 15, 3:26 AM EST	Winter Weather Advisory	PHI	Caroline, Cecil, Kent, Queen Anne's, Talbot	18 hr
Dec 23, 1:52 PM EST	Winter Weather Advisory	LWX	Allegany	47 hr
Dec 23, 2:04 PM EST	Winter Weather Advisory	PBZ		46 hr
Dec 24, 3:18 AM EST	Wind Advisory	PHI	Caroline, Cecil, Kent, Queen Anne's, Talbot	35 hr
Dec 24, 10:35 AM EST	Wind Advisory	LWX	Allegany, Anne Arundel, Baltimore, Calvert, Carroll, Charles and 8 more	26 hr
Dec 24, 3:09 PM EST	Wind Advisory	AKQ	Dorchester, Somerset, Wicomico, Worcester	21 hr
Dec 26, 9:30 PM EST	Winter Weather Advisory	LWX	Baltimore, Carroll, Frederick, Harford, Howard, Montgomery and 1 more	10 hr
Dec 27, 1:34 PM EST	Wind Chill Advisory	PBZ		17 hr
Dec 27, 1:36 PM EST	Wind Chill Advisory	LWX	Allegany	18 hr
Dec 29, 3:53 PM EST	Winter Weather Advisory	PBZ		29 hr
Dec 29, 6:25 PM EST	Winter Weather Advisory	LWX	Allegany, Baltimore, Carroll, Frederick, Harford, Washington	20 hr
Dec 30, 1:55 PM EST	Special Weather Statement	LWX	Frederick	35 min
Dec 30, 2:12 PM EST	Wind Chill Advisory	LWX	Allegany	69 hr
Dec 30, 2:43 PM EST	Winter Storm Warning	PBZ		6 hr
Dec 30, 7:56 PM EST	Wind Chill Advisory	PBZ		4 days

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
Winter
Winter Storm Warning	4
Winter Weather Advisory	15
Cold
Wind Chill Advisory	6
Wind and dust
Wind Advisory	4
Coast and beach
Coastal Flood Advisory	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 2016 2018

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.