Alert archive / Maryland / 2026
Weather alerts in Maryland, March 2026
87 weather alerts in March 2026, 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 2026. Tap one for its archive.
- Alerts
- 87
- Warnings
- 43
- Watches
- 7
- Advisories
- 23
- Busiest day
- March 16, 202625 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 2, 2:26 AM EST | Winter Weather Advisory | LWX | Allegany, Baltimore, Carroll, Cecil, Frederick, Garrett and 5 more | 35 hr |
| Mar 3, 12:36 AM EST | Mesoscale Discussion | SPC | Allegany, Carroll, Frederick, Garrett, Howard, Montgomery and 1 more | 6 hr |
| Mar 3, 5:58 AM EST | Mesoscale Discussion | SPC | Allegany, Baltimore, Carroll, Cecil, Frederick, Garrett and 5 more | 5 hr |
| Mar 3, 4:01 PM EST | Dense Fog Advisory | LWX | Cecil | 4 hr |
| Mar 3, 4:04 PM EST | Dense Fog Advisory | PHI | Caroline, Kent, Queen Anne's, Talbot | 6 hr |
| Mar 3, 4:10 PM EST | Dense Fog Advisory | AKQ | Worcester | 4 hr |
| Mar 4, 8:50 PM EST | Dense Fog Advisory | LWX | Allegany, Anne Arundel, Baltimore, Calvert, Carroll, Charles and 7 more | 13 hr |
| Mar 5, 3:02 AM EST | Dense Fog Advisory | AKQ | Dorchester, Somerset, Wicomico, Worcester | 7 hr |
| Mar 6, 3:28 AM EST | Dense Fog Advisory | LWX | Allegany, Baltimore, Carroll, Frederick, Howard, Montgomery and 2 more | 7 hr |
| Mar 6, 11:10 PM EST | Dense Fog Advisory | LWX | Allegany, Garrett | 11 hr |
| Mar 7, 2:18 AM EST | Dense Fog Advisory | AKQ | Dorchester, Somerset, Wicomico, Worcester | 10 hr |
| Mar 7, 6:00 PM EST | Special Weather Statement | LWX | Garrett | 45 min |
| Mar 8, 3:38 AM EDT | Dense Fog Advisory | LWX | Baltimore, Cecil, Harford, City of Baltimore | 3 hr |
| Mar 9, 1:03 AM EDT | Dense Fog Advisory | PHI | Caroline | 5 hr |
| Mar 9, 5:12 AM EDT | Dense Fog Advisory | AKQ | Dorchester, Somerset, Wicomico, Worcester | 6 hr |
| Mar 9, 7:33 PM EDT | Dense Fog Advisory | PHI | Caroline, Kent, Queen Anne's, Talbot | 10 hr |
| Mar 11, 1:45 PM EDT | Tornado Watch | SPC | Allegany, Baltimore, Carroll, Frederick, Garrett, Harford and 4 more | 6 hr |
| Mar 11, 1:50 PM EDT | Mesoscale Discussion | SPC | Allegany, Garrett | 85 min |
| Mar 11, 4:34 PM EDT | Mesoscale Discussion | SPC | Allegany, Carroll, Frederick, Garrett, Washington | 86 min |
| Mar 11, 6:09 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Frederick, Washington | 51 min |
| Mar 11, 6:40 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Frederick | 35 min |
| Mar 11, 6:40 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Montgomery | 35 min |
| Mar 11, 6:44 PM EDT | Tornado Warning | LWX | Carroll, Frederick | 20 min |
| Mar 11, 6:47 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Caroline, Carroll, Cecil, Frederick and 8 more | 118 min |
| Mar 11, 6:56 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Howard, Montgomery | 34 min |
| Mar 11, 7:00 PM EDT | Tornado Warning | LWX | Carroll, Howard, Montgomery | 15 min |
| Mar 11, 7:03 PM EDT | Severe Thunderstorm Watch | SPC | Anne Arundel, Caroline, Cecil, Kent, Prince George's, Queen Anne's and 1 more | 3 hr |
| Mar 11, 7:14 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, Carroll, Harford, Howard, Montgomery and 2 more | 46 min |
| Mar 11, 7:19 PM EDT | Tornado Warning | LWX | Baltimore, City of Baltimore | 15 min |
| Mar 11, 7:37 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford | 38 min |
| Mar 11, 7:48 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Queen Anne's | 42 min |
| Mar 11, 7:57 PM EDT | Severe Thunderstorm Warning | LWX | Cecil | 33 min |
| Mar 11, 8:28 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's | 47 min |
| Mar 12, 2:40 AM EDT | Wind Advisory | LWX | Allegany, Anne Arundel, Baltimore, Carroll, Charles, Frederick and 6 more | 44 hr |
| Mar 13, 2:08 AM EDT | High Wind Warning | LWX | Allegany, Garrett | 24 hr |
| Mar 13, 5:29 PM EDT | Coastal Flood Advisory | LWX | Harford | 4 hr |
| Mar 15, 12:43 PM EDT | Wind Advisory | LWX | Allegany, Anne Arundel, Baltimore, Calvert, Carroll, Cecil and 10 more | 43 hr |
| Mar 15, 12:45 PM EDT | Coastal Flood Watch | LWX | Anne Arundel | 19 hr |
| Mar 15, 12:47 PM EDT | Wind Advisory | PHI | Caroline, Kent, Queen Anne's, Talbot | 37 hr |
| Mar 15, 1:41 PM EDT | Wind Advisory | AKQ | Dorchester, Somerset, Wicomico, Worcester | 35 hr |
| Mar 16, 2:31 AM EDT | Winter Weather Advisory | LWX | Allegany, Garrett | 38 hr |
| Mar 16, 8:03 AM EDT | Coastal Flood Warning | LWX | Anne Arundel | 8 hr |
| Mar 16, 8:03 AM EDT | Coastal Flood Advisory | LWX | Anne Arundel, Baltimore, Harford, City of Baltimore | 16 hr |
| Mar 16, 10:03 AM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 9 more | 2 hr |
| Mar 16, 10:52 AM EDT | Tornado Watch | SPC | Anne Arundel, Baltimore, Calvert, Carroll, Cecil, Charles and 12 more | 8 hr |
| Mar 16, 10:57 AM EDT | Severe Thunderstorm Warning | LWX | Frederick, Montgomery, Washington | 48 min |
| Mar 16, 11:28 AM EDT | Severe Thunderstorm Warning | LWX | Frederick, Montgomery | 17 min |
| Mar 16, 11:29 AM EDT | Tornado Warning | LWX | Montgomery | 16 min |
| Mar 16, 11:30 AM EDT | Tornado Watch | SPC | Caroline, Kent, Queen Anne's, Talbot | 6 hr |
| Mar 16, 11:40 AM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll, Frederick, Howard, Montgomery, Washington and 1 more | 50 min |
| Mar 16, 11:40 AM EDT | Tornado Warning | LWX | Montgomery | 20 min |
| Mar 16, 11:46 AM EDT | Tornado Warning | LWX | Carroll, Frederick | 14 min |
| Mar 16, 11:59 AM EDT | Tornado Warning | LWX | Carroll, Howard | 16 min |
| Mar 16, 12:00 PM EDT | Tornado Warning | LWX | Carroll, Frederick | 15 min |
| Mar 16, 12:39 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 36 min |
| Mar 16, 12:49 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 26 min |
| Mar 16, 2:11 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Howard, Montgomery, Prince George's | 34 min |
| Mar 16, 2:16 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Prince George's, Saint Mary's | 44 min |
| Mar 16, 2:35 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll, Harford, Howard, City of Baltimore | 40 min |
| Mar 16, 2:53 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Calvert, Charles, Prince George's, City of Baltimore | 31 min |
| Mar 16, 3:14 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Cecil, Charles and 7 more | 91 min |
| Mar 16, 3:22 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Queen Anne's | 40 min |
| Mar 16, 3:33 PM EDT | Areal Flood Warning | LWX | Montgomery | 2 hr |
| Mar 16, 4:09 PM EDT | Wind Advisory | LWX | Baltimore, Cecil, Harford, City of Baltimore | 8 hr |
| Mar 16, 6:13 PM EDT | Mesoscale Discussion | SPC | Allegany, Garrett | 4 hr |
| Mar 16, 8:15 PM EDT | Severe Thunderstorm Watch | SPC | Anne Arundel, Calvert, Caroline, Charles, Dorchester, Kent and 7 more | 4 hr |
| Mar 16, 8:27 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 48 min |
| Mar 16, 8:33 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, Carroll, Charles, Frederick, Howard and 2 more | 42 min |
| Mar 16, 9:03 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Calvert, Charles, Prince George's, Saint Mary's | 42 min |
| Mar 16, 9:04 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Calvert, Caroline, Charles, Dorchester, Kent and 7 more | 116 min |
| Mar 16, 9:12 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, Calvert, Charles, Harford, Howard and 2 more | 33 min |
| Mar 16, 9:32 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's, Talbot | 58 min |
| Mar 16, 9:45 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester, Somerset, Wicomico | 60 min |
| Mar 16, 9:49 PM EDT | Tornado Warning | LWX | Calvert | 11 min |
| Mar 16, 10:07 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 53 min |
| Mar 16, 10:13 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's, Talbot | 62 min |
| Mar 16, 10:23 PM EDT | Tornado Warning | PHI | Caroline, Queen Anne's, Talbot | 37 min |
| Mar 16, 10:24 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Talbot | 62 min |
| Mar 16, 10:35 PM EDT | Tornado Warning | PHI | Caroline | 25 min |
| Mar 16, 10:36 PM EDT | Severe Thunderstorm Warning | AKQ | Somerset, Wicomico, Worcester | 54 min |
| Mar 16, 10:55 PM EDT | Mesoscale Discussion | SPC | Wicomico, Worcester | 2 hr |
| Mar 20, 10:47 PM EDT | Special Weather Statement | LWX | Frederick | 28 min |
| Mar 22, 3:02 PM EDT | Mesoscale Discussion | SPC | Allegany, Garrett, Washington | 88 min |
| Mar 22, 3:44 PM EDT | Severe Thunderstorm Watch | SPC | Allegany, Garrett, Washington | 8 hr |
| Mar 22, 6:36 PM EDT | Mesoscale Discussion | SPC | Allegany, Carroll, Garrett, Washington | 114 min |
| Mar 25, 9:46 AM EDT | Coastal Flood Advisory | LWX | Anne Arundel | 3 hr |
| Mar 26, 12:36 PM EDT | Wind Advisory | LWX | Garrett | 17 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 | 29 |
| Tornado Warning | 11 |
| Severe Thunderstorm Watch | 3 |
| Tornado Watch | 3 |
| Mesoscale Discussion | 12 |
| Special Weather Statement | 2 |
| Flooding | |
| Areal Flood Warning | 1 |
| Winter | |
| Winter Weather Advisory | 2 |
| Wind and dust | |
| High Wind Warning | 1 |
| Wind Advisory | 6 |
| Fog and smoke | |
| Dense Fog Advisory | 12 |
| Coast and beach | |
| Coastal Flood Warning | 1 |
| Coastal Flood Watch | 1 |
| Coastal Flood Advisory | 3 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Carroll County24
- Frederick County24
- Montgomery County24
- Baltimore County21
- Howard County20
- Anne Arundel County20
- City of Baltimore19
- Allegany County17
- Garrett County17
- Harford County17
- Washington County17
- Prince George's County17
- Caroline County16
- Kent County16
- Queen Anne's County15
- Charles County15
- Talbot County14
- Cecil County11
- Calvert County11
- Worcester County10
- Wicomico County10
- Dorchester County9
- Somerset County9
- Saint Mary's County8
Nearby
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.