Weather alerts in Maryland, January 2021

27 weather alerts in January 2021, 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 January 2021. Tap one for its archive.

Alerts: 27
Warnings: 4
Watches: 4
Advisories: 18
Busiest day: January 30, 20215 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
Jan 2, 5:37 PM EST	Winter Weather Advisory	LWX	Allegany, Carroll, Frederick, Washington	30 hr
Jan 3, 11:49 PM EST	Dense Fog Advisory	LWX	Frederick, Washington	6 hr
Jan 5, 2:11 PM EST	Coastal Flood Advisory	LWX	Saint Mary's	7 hr
Jan 5, 2:49 PM EST	Coastal Flood Statement	AKQ	Dorchester	5 hr
Jan 14, 1:11 AM EST	Freezing Fog Advisory	PHI	Caroline, Queen Anne's, Talbot	7 hr
Jan 15, 10:46 PM EST	Dense Fog Advisory	LWX	Allegany	9 hr
Jan 16, 3:22 AM EST	Winter Weather Advisory	LWX		30 hr
Jan 16, 2:11 PM EST	Coastal Flood Advisory	LWX	Anne Arundel	9 hr
Jan 19, 2:13 AM EST	Winter Weather Advisory	LWX		35 hr
Jan 24, 3:45 AM EST	Winter Storm Watch	LWX	Allegany	21 hr
Jan 25, 1:05 AM EST	Winter Storm Warning	LWX	Allegany	36 hr
Jan 25, 1:05 AM EST	Winter Weather Advisory	LWX	Anne Arundel, Baltimore, Carroll, Cecil, Frederick, Harford and 5 more	36 hr
Jan 25, 2:49 PM EST	Winter Weather Advisory	AKQ	Dorchester, Wicomico	10 hr
Jan 25, 3:08 PM EST	Winter Weather Advisory	PHI	Caroline, Kent, Queen Anne's, Talbot	34 hr
Jan 26, 8:18 PM EST	Dense Fog Advisory	LWX	Carroll, Frederick, Howard, Montgomery, Washington	13 hr
Jan 27, 9:03 AM EST	Wind Advisory	AKQ	Dorchester, Somerset, Wicomico, Worcester	33 hr
Jan 29, 3:10 PM EST	Winter Storm Watch	LWX	Allegany, Anne Arundel, Baltimore, Calvert, Carroll, Cecil and 9 more	23 hr
Jan 29, 3:14 PM EST	Winter Storm Watch	PHI	Caroline, Kent, Queen Anne's, Talbot	25 hr
Jan 29, 3:19 PM EST	Winter Storm Watch	AKQ	Dorchester, Wicomico	13 hr
Jan 30, 4:34 AM EST	Winter Storm Warning	AKQ	Dorchester	39 hr
Jan 30, 4:34 AM EST	Winter Weather Advisory	AKQ	Dorchester, Somerset, Wicomico, Worcester	38 hr
Jan 30, 9:02 AM EST	Winter Storm Warning	LWX	Allegany, Anne Arundel, Baltimore, Calvert, Carroll, Cecil and 9 more	69 hr
Jan 30, 3:44 PM EST	Winter Storm Warning	PHI	Kent, Queen Anne's, Talbot	72 hr
Jan 30, 3:44 PM EST	Winter Weather Advisory	PHI	Caroline, Queen Anne's	72 hr
Jan 31, 2:05 PM EST	Coastal Flood Advisory	AKQ	Dorchester, Somerset, Wicomico	16 hr
Jan 31, 2:22 PM EST	Coastal Flood Advisory	LWX	Anne Arundel, Baltimore, Charles, City of Baltimore	6 hr
Jan 31, 6:50 PM EST	Winter Weather Advisory	LWX	Anne Arundel, Baltimore, Calvert, Carroll, Cecil, Charles and 7 more	42 hr

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

Product	Alerts
Winter
Winter Storm Warning	4
Winter Storm Watch	4
Winter Weather Advisory	9
Wind and dust
Wind Advisory	1
Fog and smoke
Dense Fog Advisory	3
Freezing Fog Advisory	1
Coast and beach
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 2020 2022

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.