Alert archive / Maryland / 2020
Weather alerts in Maryland, January 2020
41 weather alerts in January 2020, 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 2020. Tap one for its archive.
- Alerts
- 41
- Warnings
- 8
- Watches
- 2
- Advisories
- 20
- Busiest day
- January 8, 20208 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 31, 7:26 PM EST | Coastal Flood Advisory | PHI | Caroline, Kent, Queen Anne's, Talbot | 7 hr |
| Jan 1, 1:01 AM EST | Coastal Flood Statement | AKQ | Dorchester, Somerset, Wicomico | 6 hr |
| Jan 4, 4:14 AM EST | Dense Fog Advisory | LWX | Allegany, Anne Arundel, Baltimore, Carroll, Frederick, Harford and 5 more | 7 hr |
| Jan 4, 8:33 AM EST | Dense Fog Advisory | PHI | Cecil, Kent | 4 hr |
| Jan 4, 7:20 PM EST | Special Weather Statement | AKQ | Wicomico, Worcester | 40 min |
| Jan 6, 1:49 PM EST | Winter Weather Advisory | LWX | Allegany, Baltimore, Carroll, Frederick, Harford, Howard and 3 more | 29 hr |
| Jan 7, 12:51 AM EST | Winter Weather Advisory | PBZ | 15 hr | |
| Jan 7, 6:19 AM EST | Winter Weather Advisory | PHI | Cecil | 14 hr |
| Jan 7, 8:49 AM EST | Mesoscale Discussion | SPC | Allegany, Garrett | 4 hr |
| Jan 7, 12:29 PM EST | Mesoscale Discussion | SPC | Baltimore, Carroll, Frederick, Howard, Montgomery, Washington and 1 more | 2 hr |
| Jan 7, 2:27 PM EST | Wind Advisory | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 28 hr |
| Jan 8, 3:40 AM EST | Wind Advisory | LWX | Allegany, Anne Arundel, Baltimore, Carroll, Frederick, Harford and 5 more | 13 hr |
| Jan 8, 3:47 AM EST | Wind Advisory | PBZ | 11 hr | |
| Jan 8, 7:33 AM EST | Snow Squall Warning | LWX | Baltimore, Carroll, Frederick, Harford | 27 min |
| Jan 8, 7:44 AM EST | Snow Squall Warning | PHI | Cecil | 46 min |
| Jan 8, 7:52 AM EST | Snow Squall Warning | LWX | Harford | 23 min |
| Jan 8, 7:56 AM EST | Snow Squall Warning | LWX | Frederick, Montgomery | 34 min |
| Jan 8, 8:03 AM EST | Snow Squall Warning | LWX | Baltimore, Carroll, Harford | 57 min |
| Jan 8, 8:28 AM EST | Snow Squall Warning | PHI | Cecil, Kent | 47 min |
| Jan 11, 3:15 AM EST | High Wind Watch | PBZ | 10 hr | |
| Jan 11, 3:15 AM EST | Wind Advisory | PBZ | 31 hr | |
| Jan 11, 3:38 AM EST | High Wind Watch | LWX | Allegany | 10 hr |
| Jan 11, 1:12 PM EST | Wind Advisory | PHI | Cecil | 24 hr |
| Jan 11, 1:13 PM EST | Wind Advisory | LWX | Allegany, Baltimore, Carroll, Frederick, Harford, Washington | 20 hr |
| Jan 11, 5:41 PM EST | Special Weather Statement | PBZ | Garrett | 79 min |
| Jan 12, 12:57 AM EST | Severe Thunderstorm Warning | LWX | Anne Arundel, Calvert, Charles, Prince George's, Saint Mary's | 28 min |
| Jan 12, 1:05 AM EST | Severe Thunderstorm Warning | LWX | Anne Arundel, Prince George's | 29 min |
| Jan 12, 1:20 AM EST | Special Weather Statement | PHI | Caroline, Cecil, Kent, Queen Anne's | 25 min |
| Jan 12, 1:47 AM EST | Special Weather Statement | PHI | Caroline, Queen Anne's | 43 min |
| Jan 12, 2:23 AM EST | Special Weather Statement | AKQ | Dorchester, Somerset, Wicomico, Worcester | 67 min |
| Jan 12, 5:16 AM EST | Special Weather Statement | PHI | Cecil | 44 min |
| Jan 12, 6:00 AM EST | Special Weather Statement | PHI | Cecil | 45 min |
| Jan 14, 6:57 AM EST | Special Weather Statement | AKQ | Dorchester, Somerset, Wicomico, Worcester | 48 min |
| Jan 14, 10:41 PM EST | Dense Fog Advisory | LWX | Baltimore, Carroll, Frederick, Harford, Howard, Montgomery and 2 more | 10 hr |
| Jan 15, 9:26 AM EST | Dense Fog Advisory | LWX | Montgomery, Washington | 34 min |
| Jan 15, 1:18 PM EST | Wind Advisory | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 30 hr |
| Jan 15, 2:50 PM EST | Wind Advisory | LWX | Allegany, Frederick, Washington | 22 hr |
| Jan 17, 3:37 AM EST | Winter Weather Advisory | PHI | Cecil | 41 hr |
| Jan 17, 1:33 PM EST | Winter Weather Advisory | LWX | Allegany, Baltimore, Carroll, Frederick, Harford, Howard and 3 more | 29 hr |
| Jan 17, 2:02 PM EST | Winter Weather Advisory | PBZ | 28 hr | |
| Jan 24, 2:56 AM EST | Wind Advisory | PBZ | 16 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 | |
| Severe Thunderstorm Warning | 2 |
| Mesoscale Discussion | 2 |
| Special Weather Statement | 8 |
| Winter | |
| Snow Squall Warning | 6 |
| Winter Weather Advisory | 6 |
| Wind and dust | |
| High Wind Watch | 2 |
| Wind Advisory | 9 |
| Fog and smoke | |
| Dense Fog Advisory | 4 |
| Coast and beach | |
| Coastal Flood Advisory | 1 |
| Coastal Flood Statement | 1 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Cecil County11
- Frederick County10
- Baltimore County9
- Carroll County9
- Harford County9
- Washington County9
- Allegany County8
- Montgomery County8
- Kent County6
- Howard County6
- City of Baltimore6
- Caroline County5
- Queen Anne's County5
- Wicomico County4
- Anne Arundel County4
- Prince George's County4
- Talbot County3
- Dorchester County3
- Somerset County3
- Worcester County3
- Garrett County2
- Calvert County1
- Charles County1
- Saint Mary's County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20192021
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.