Alert archive / Maryland / 2018
Weather alerts in Maryland, March 2018
77 weather alerts in March 2018, 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 March 2018. Tap one for its archive.
- Alerts
- 77
- Warnings
- 16
- Watches
- 9
- Advisories
- 45
- Busiest day
- March 6, 201811 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 |
|---|---|---|---|---|
| Mar 1, 3:32 AM EST | Winter Weather Advisory | PBZ | 33 hr | |
| Mar 1, 4:06 AM EST | High Wind Warning | LWX | Allegany, Anne Arundel, Baltimore, Calvert, Carroll, Charles and 8 more | 45 hr |
| Mar 1, 5:15 AM EST | Winter Weather Advisory | LWX | Allegany | 29 hr |
| Mar 1, 10:10 AM EST | High Wind Warning | PBZ | 28 hr | |
| Mar 1, 11:28 AM EST | High Wind Warning | AKQ | Dorchester, Somerset, Wicomico, Worcester | 40 hr |
| Mar 1, 11:44 AM EST | High Wind Warning | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 40 hr |
| Mar 1, 3:30 PM EST | Wind Advisory | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 45 hr |
| Mar 1, 10:37 PM EST | Special Weather Statement | LWX | Allegany, Anne Arundel, Baltimore, Calvert, Carroll, Frederick and 7 more | 7 hr |
| Mar 2, 7:56 AM EST | Coastal Flood Warning | AKQ | Worcester | 26 hr |
| Mar 2, 7:57 PM EST | Wind Advisory | LWX | Allegany, Anne Arundel, Baltimore, Calvert, Carroll, Charles and 8 more | 10 hr |
| Mar 3, 3:43 AM EST | Wind Advisory | AKQ | Dorchester, Somerset, Wicomico, Worcester | 7 hr |
| Mar 3, 10:12 AM EST | Coastal Flood Advisory | AKQ | Worcester | 40 hr |
| Mar 3, 6:46 PM EST | High Surf Advisory | AKQ | Worcester | 4 days |
| Mar 5, 1:25 AM EST | Coastal Flood Advisory | LWX | Anne Arundel, Baltimore, Calvert, Charles, Harford, Saint Mary's and 1 more | 68 hr |
| Mar 5, 3:34 AM EST | Winter Storm Watch | PHI | Cecil | 36 hr |
| Mar 5, 5:50 AM EST | Coastal Flood Advisory | AKQ | Worcester | 23 hr |
| Mar 5, 1:21 PM EST | Winter Weather Advisory | PBZ | 26 hr | |
| Mar 5, 2:04 PM EST | Winter Weather Advisory | LWX | Allegany | 34 hr |
| Mar 5, 3:11 PM EST | Winter Storm Watch | LWX | Baltimore, Harford | 24 hr |
| Mar 6, 3:37 AM EST | Winter Storm Warning | PHI | Cecil | 41 hr |
| Mar 6, 8:13 AM EST | Coastal Flood Statement | AKQ | Worcester | 5 hr |
| Mar 6, 8:13 AM EST | Coastal Flood Advisory | AKQ | Dorchester, Somerset, Wicomico, Worcester | 33 hr |
| Mar 6, 2:07 PM EST | Coastal Flood Watch | LWX | Anne Arundel, Saint Mary's | 13 hr |
| Mar 6, 2:07 PM EST | Coastal Flood Warning | LWX | Anne Arundel, Baltimore, Calvert, Saint Mary's, City of Baltimore | 31 hr |
| Mar 6, 2:30 PM EST | Coastal Flood Advisory | PHI | Caroline, Kent, Queen Anne's, Talbot | 15 hr |
| Mar 6, 2:30 PM EST | Coastal Flood Advisory | PHI | Caroline, Cecil, Queen Anne's, Talbot | 37 hr |
| Mar 6, 2:42 PM EST | Coastal Flood Warning | AKQ | Dorchester, Somerset, Wicomico | 5 hr |
| Mar 6, 2:52 PM EST | Winter Weather Advisory | LWX | Allegany, Anne Arundel, Baltimore, Carroll, Frederick, Harford and 4 more | 25 hr |
| Mar 6, 3:40 PM EST | Winter Weather Advisory | PHI | Cecil | 12 hr |
| Mar 6, 3:51 PM EST | Winter Weather Advisory | PBZ | 29 hr | |
| Mar 6, 10:52 PM EST | Winter Storm Warning | LWX | Baltimore, Harford | 13 hr |
| Mar 7, 12:27 AM EST | Coastal Flood Warning | AKQ | Dorchester, Somerset, Wicomico | 17 hr |
| Mar 7, 2:59 AM EST | Coastal Flood Advisory | LWX | Calvert | 18 hr |
| Mar 7, 3:25 AM EST | Winter Weather Advisory | PHI | Kent, Queen Anne's | 17 hr |
| Mar 7, 5:55 AM EST | Coastal Flood Warning | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 4 hr |
| Mar 7, 5:27 PM EST | Coastal Flood Advisory | AKQ | Dorchester, Somerset, Wicomico | 2 hr |
| Mar 8, 3:27 AM EST | Winter Weather Advisory | LWX | Allegany | 31 hr |
| Mar 8, 3:29 AM EST | Winter Weather Advisory | PBZ | 34 hr | |
| Mar 8, 6:14 AM EST | Coastal Flood Advisory | LWX | Anne Arundel, Saint Mary's | 6 hr |
| Mar 8, 12:58 PM EST | Coastal Flood Advisory | LWX | Saint Mary's | 9 hr |
| Mar 9, 5:45 AM EST | Coastal Flood Advisory | LWX | Anne Arundel, Saint Mary's | 4 hr |
| Mar 12, 9:54 PM EDT | High Surf Advisory | AKQ | Worcester | 15 hr |
| Mar 13, 1:29 AM EDT | Winter Weather Advisory | PBZ | 43 hr | |
| Mar 16, 1:27 PM EDT | Winter Weather Advisory | LWX | Allegany | 23 hr |
| Mar 16, 1:36 PM EDT | Winter Weather Advisory | PBZ | 24 hr | |
| Mar 19, 11:32 AM EDT | Winter Storm Watch | PBZ | 4 hr | |
| Mar 19, 12:06 PM EDT | Winter Storm Watch | LWX | Allegany, Anne Arundel, Baltimore, Calvert, Carroll, Charles and 8 more | 25 hr |
| Mar 19, 2:42 PM EDT | Wind Advisory | AKQ | Worcester | 47 hr |
| Mar 19, 3:19 PM EDT | Winter Storm Warning | PBZ | 53 hr | |
| Mar 19, 3:29 PM EDT | Winter Storm Watch | AKQ | Dorchester, Somerset, Wicomico, Worcester | 24 hr |
| Mar 19, 3:36 PM EDT | Winter Storm Watch | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 13 hr |
| Mar 19, 3:36 PM EDT | Winter Weather Advisory | PHI | Cecil, Kent | 13 hr |
| Mar 19, 3:42 PM EDT | Winter Storm Warning | LWX | Allegany, Baltimore, Carroll, Frederick, Harford, Howard and 2 more | 52 hr |
| Mar 19, 3:42 PM EDT | Winter Weather Advisory | LWX | Allegany, Baltimore, Carroll, Frederick, Harford, Howard and 2 more | 28 hr |
| Mar 20, 4:41 AM EDT | Winter Storm Warning | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 47 hr |
| Mar 20, 4:59 AM EDT | Coastal Flood Watch | AKQ | Worcester | 10 hr |
| Mar 20, 12:19 PM EDT | Mesoscale Discussion | SPC | Baltimore, Carroll, Cecil, Frederick, Harford, Howard and 3 more | 4 hr |
| Mar 20, 12:47 PM EDT | Winter Storm Warning | LWX | Anne Arundel, Baltimore, Calvert, Charles, Howard, Montgomery and 3 more | 31 hr |
| Mar 20, 2:44 PM EDT | Coastal Flood Advisory | LWX | Saint Mary's | 42 hr |
| Mar 20, 2:59 PM EDT | Coastal Flood Advisory | AKQ | Worcester | 38 hr |
| Mar 20, 2:59 PM EDT | High Surf Advisory | AKQ | Worcester | 28 hr |
| Mar 20, 3:38 PM EDT | Winter Storm Warning | AKQ | Dorchester, Somerset, Wicomico | 32 hr |
| Mar 20, 3:38 PM EDT | Winter Weather Advisory | AKQ | Worcester | 32 hr |
| Mar 21, 4:12 PM EDT | Coastal Flood Statement | AKQ | Dorchester, Somerset, Wicomico | 16 hr |
| Mar 25, 9:17 AM EDT | Special Weather Statement | PHI | Cecil | 118 min |
| Mar 26, 10:46 PM EDT | Coastal Flood Advisory | LWX | Saint Mary's | 7 hr |
| Mar 27, 3:50 AM EDT | Winter Weather Advisory | PBZ | 13 hr | |
| Mar 27, 4:07 AM EDT | Winter Weather Advisory | LWX | Allegany | 13 hr |
| Mar 27, 5:56 AM EDT | Coastal Flood Advisory | LWX | Saint Mary's | 8 hr |
| Mar 27, 10:18 PM EDT | Coastal Flood Advisory | LWX | Saint Mary's | 5 hr |
| Mar 28, 10:03 AM EDT | Coastal Flood Advisory | LWX | Anne Arundel, Saint Mary's | 10 hr |
| Mar 28, 11:36 PM EDT | Dense Fog Advisory | PBZ | 7 hr | |
| Mar 29, 4:23 AM EDT | Dense Fog Advisory | LWX | Allegany, Washington | 6 hr |
| Mar 29, 9:41 AM EDT | Coastal Flood Advisory | LWX | Saint Mary's | 18 hr |
| Mar 29, 8:29 PM EDT | Coastal Flood Statement | AKQ | Dorchester | 7 hr |
| Mar 30, 1:40 PM EDT | Special Weather Statement | PHI | Cecil, Kent, Queen Anne's | 50 min |
| Mar 31, 2:21 PM EDT | Winter Storm Watch | LWX | Allegany | 23 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 | 3 |
| Winter | |
| Winter Storm Warning | 7 |
| Winter Storm Watch | 7 |
| Winter Weather Advisory | 18 |
| Wind and dust | |
| High Wind Warning | 4 |
| Wind Advisory | 4 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
| Coast and beach | |
| Coastal Flood Warning | 5 |
| Coastal Flood Watch | 2 |
| Coastal Flood Advisory | 18 |
| High Surf Advisory | 3 |
| Coastal Flood Statement | 3 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Saint Mary's County17
- Worcester County15
- Allegany County14
- Baltimore County13
- Cecil County13
- Anne Arundel County12
- Harford County11
- Dorchester County10
- Howard County9
- Montgomery County9
- City of Baltimore9
- Somerset County9
- Wicomico County9
- Kent County9
- Queen Anne's County9
- Calvert County8
- Carroll County8
- Frederick County8
- Washington County8
- Caroline County7
- Talbot County7
- Prince George's County6
- Charles County5
Nearby
Alerts in force nowTornadoes on recordThe radar archive20172019
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.