Alert archive / Maryland / 2017
Weather alerts in Maryland, April 2017
93 weather alerts in April 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 April 2017. Tap one for its archive.
- Alerts
- 93
- Warnings
- 22
- Watches
- 4
- Advisories
- 29
- Busiest day
- April 6, 201737 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 |
|---|---|---|---|---|
| Apr 4, 2:30 AM EDT | Coastal Flood Advisory | LWX | Anne Arundel, Baltimore, Harford, Saint Mary's, City of Baltimore | 15 hr |
| Apr 4, 11:00 AM EDT | Coastal Flood Statement | AKQ | Dorchester | 4 hr |
| Apr 4, 3:09 PM EDT | Flood Watch | PHI | Cecil | 54 hr |
| Apr 4, 8:51 PM EDT | Coastal Flood Advisory | LWX | Saint Mary's | 3 hr |
| Apr 5, 2:50 PM EDT | Wind Advisory | PHI | Caroline, Kent, Queen Anne's, Talbot | 25 hr |
| Apr 5, 4:55 PM EDT | Coastal Flood Advisory | LWX | Anne Arundel, Baltimore, Harford, Saint Mary's, City of Baltimore | 39 hr |
| Apr 6, 3:04 AM EDT | Coastal Flood Statement | AKQ | Dorchester | 6 hr |
| Apr 6, 3:12 AM EDT | Winter Weather Advisory | PBZ | 35 hr | |
| Apr 6, 3:18 AM EDT | Coastal Flood Advisory | LWX | Calvert, Harford, Saint Mary's | 25 hr |
| Apr 6, 5:59 AM EDT | Mesoscale Discussion | SPC | Calvert, Charles, Dorchester, Saint Mary's | 91 min |
| Apr 6, 7:06 AM EDT | Tornado Watch | SPC | Dorchester, Somerset, Wicomico, Worcester | 8 hr |
| Apr 6, 9:10 AM EDT | Coastal Flood Advisory | AKQ | Dorchester, Somerset, Wicomico | 6 hr |
| Apr 6, 10:32 AM EDT | Winter Weather Advisory | LWX | Allegany | 27 hr |
| Apr 6, 11:41 AM EDT | Severe Thunderstorm Warning | LWX | Charles | 38 min |
| Apr 6, 11:58 AM EDT | Areal Flood Advisory | PHI | Cecil, Kent | 4 hr |
| Apr 6, 11:59 AM EDT | Special Weather Statement | PHI | Caroline | 31 min |
| Apr 6, 12:17 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's, Talbot | 24 min |
| Apr 6, 12:18 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Calvert, Caroline, Cecil, Charles, Dorchester and 9 more | 57 min |
| Apr 6, 12:45 PM EDT | Severe Thunderstorm Watch | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Cecil, Charles and 9 more | 4 hr |
| Apr 6, 12:50 PM EDT | Wind Advisory | LWX | Allegany, Frederick, Washington | 30 hr |
| Apr 6, 12:55 PM EDT | Special Weather Statement | AKQ | Dorchester, Wicomico | 65 min |
| Apr 6, 1:00 PM EDT | Special Weather Statement | PHI | Caroline | 60 min |
| Apr 6, 1:08 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Talbot | 40 min |
| Apr 6, 1:12 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery, Prince George's | 48 min |
| Apr 6, 1:26 PM EDT | Tornado Warning | LWX | Montgomery | 19 min |
| Apr 6, 1:57 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll, Howard, Montgomery | 48 min |
| Apr 6, 2:01 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, Calvert, Howard, Montgomery, Prince George's and 1 more | 44 min |
| Apr 6, 2:03 PM EDT | Special Weather Statement | AKQ | Wicomico, Worcester | 42 min |
| Apr 6, 2:11 PM EDT | Special Weather Statement | AKQ | Dorchester | 64 min |
| Apr 6, 2:13 PM EDT | Special Weather Statement | PHI | Kent, Queen Anne's, Talbot | 47 min |
| Apr 6, 2:48 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford | 27 min |
| Apr 6, 2:56 PM EDT | Special Weather Statement | PHI | Caroline, Cecil | 64 min |
| Apr 6, 3:12 PM EDT | Mesoscale Discussion | SPC | Cecil, Kent | 63 min |
| Apr 6, 4:02 PM EDT | Areal Flood Advisory | PHI | Cecil, Kent | 6 hr |
| Apr 6, 4:18 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Charles, Prince George's, Saint Mary's | 27 min |
| Apr 6, 4:24 PM EDT | Freeze Watch | LWX | Baltimore, Carroll, Frederick, Harford, Howard, Montgomery and 1 more | 21 hr |
| Apr 6, 4:33 PM EDT | Coastal Flood Statement | AKQ | Dorchester, Somerset, Wicomico | 6 hr |
| Apr 6, 4:39 PM EDT | Special Weather Statement | AKQ | Dorchester | 36 min |
| Apr 6, 4:41 PM EDT | Special Weather Statement | PHI | Talbot | 34 min |
| Apr 6, 4:44 PM EDT | Special Weather Statement | AKQ | Dorchester | 31 min |
| Apr 6, 5:10 PM EDT | Special Weather Statement | AKQ | Wicomico | 35 min |
| Apr 6, 6:04 PM EDT | Special Weather Statement | AKQ | Worcester | 26 min |
| Apr 6, 6:15 PM EDT | Areal Flood Warning | LWX | Baltimore | 6 hr |
| Apr 6, 10:07 PM EDT | Coastal Flood Advisory | AKQ | Dorchester, Somerset, Wicomico | 5 hr |
| Apr 6, 10:41 PM EDT | Coastal Flood Warning | LWX | Saint Mary's | 5 hr |
| Apr 7, 12:38 AM EDT | Coastal Flood Advisory | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 5 hr |
| Apr 7, 3:16 AM EDT | Coastal Flood Advisory | AKQ | Dorchester, Somerset, Wicomico | 8 hr |
| Apr 7, 1:31 PM EDT | Freeze Warning | LWX | Baltimore, Carroll, Frederick, Harford, Howard, Montgomery and 1 more | 19 hr |
| Apr 8, 2:10 PM EDT | Frost Advisory | LWX | Anne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 6 more | 18 hr |
| Apr 8, 2:10 PM EDT | Freeze Warning | LWX | Washington | 18 hr |
| Apr 11, 7:38 PM EDT | Special Weather Statement | PBZ | Garrett | 37 min |
| Apr 15, 10:01 PM EDT | Special Weather Statement | AKQ | Somerset | 29 min |
| Apr 16, 8:26 PM EDT | Special Weather Statement | PBZ | Garrett | 34 min |
| Apr 19, 6:25 AM EDT | Coastal Flood Advisory | LWX | Anne Arundel, Saint Mary's | 6 hr |
| Apr 19, 2:04 PM EDT | Coastal Flood Advisory | LWX | Saint Mary's | 6 hr |
| Apr 20, 2:40 PM EDT | Mesoscale Discussion | SPC | Allegany, Garrett, Washington | 65 min |
| Apr 20, 4:35 PM EDT | Severe Thunderstorm Warning | PBZ | Garrett | 28 min |
| Apr 20, 8:05 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery, Prince George's | 40 min |
| Apr 20, 9:47 PM EDT | Special Weather Statement | PHI | Kent | 28 min |
| Apr 21, 4:00 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 45 min |
| Apr 21, 4:19 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Calvert, Charles, Howard, Montgomery, Prince George's and 1 more | 56 min |
| Apr 21, 4:36 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery, Prince George's | 39 min |
| Apr 21, 5:04 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Prince George's | 41 min |
| Apr 21, 5:40 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Calvert, Prince George's | 25 min |
| Apr 21, 5:54 PM EDT | Special Weather Statement | PHI | Talbot | 36 min |
| Apr 21, 7:48 PM EDT | Special Weather Statement | PHI | Talbot | 42 min |
| Apr 21, 8:01 PM EDT | Severe Thunderstorm Warning | LWX | Saint Mary's | 44 min |
| Apr 21, 8:17 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Queen Anne's, Talbot | 43 min |
| Apr 21, 9:00 PM EDT | Special Weather Statement | PHI | Caroline | 60 min |
| Apr 21, 9:19 PM EDT | Special Weather Statement | AKQ | Somerset | 41 min |
| Apr 21, 10:01 PM EDT | Special Weather Statement | AKQ | Somerset | 44 min |
| Apr 22, 12:06 AM EDT | Severe Thunderstorm Warning | LWX | Charles, Saint Mary's | 39 min |
| Apr 22, 12:38 AM EDT | Special Weather Statement | AKQ | Dorchester | 52 min |
| Apr 22, 9:06 PM EDT | Coastal Flood Advisory | LWX | Saint Mary's | 5 hr |
| Apr 23, 9:39 AM EDT | Coastal Flood Advisory | LWX | Saint Mary's | 4 hr |
| Apr 23, 8:55 PM EDT | Coastal Flood Advisory | LWX | Saint Mary's | 6 hr |
| Apr 24, 4:56 AM EDT | High Surf Advisory | AKQ | Worcester | 38 hr |
| Apr 24, 11:38 AM EDT | Coastal Flood Advisory | LWX | Anne Arundel, Calvert, Charles, Saint Mary's | 47 hr |
| Apr 24, 3:17 PM EDT | Wind Advisory | AKQ | Worcester | 21 hr |
| Apr 24, 5:05 PM EDT | Coastal Flood Statement | AKQ | Worcester | 10 hr |
| Apr 25, 4:29 AM EDT | Coastal Flood Statement | AKQ | Dorchester, Somerset, Wicomico | 12 hr |
| Apr 25, 4:44 PM EDT | Coastal Flood Advisory | AKQ | Worcester | 9 hr |
| Apr 25, 4:44 PM EDT | Coastal Flood Advisory | AKQ | Dorchester, Somerset, Wicomico | 12 hr |
| Apr 26, 2:38 PM EDT | Coastal Flood Advisory | LWX | Anne Arundel, Saint Mary's | 20 hr |
| Apr 26, 11:48 PM EDT | Coastal Flood Statement | AKQ | Dorchester, Somerset | 7 hr |
| Apr 27, 12:02 AM EDT | Dense Fog Advisory | AKQ | Dorchester, Somerset, Wicomico, Worcester | 5 hr |
| Apr 27, 9:07 PM EDT | Coastal Flood Advisory | LWX | Saint Mary's | 9 hr |
| Apr 28, 3:15 AM EDT | Special Weather Statement | PHI | Caroline | 30 min |
| Apr 28, 3:43 AM EDT | Coastal Flood Advisory | LWX | Anne Arundel | 5 hr |
| Apr 29, 2:57 AM EDT | Special Weather Statement | PHI | Queen Anne's | 48 min |
| Apr 29, 3:39 AM EDT | Special Weather Statement | PHI | Caroline | 36 min |
| Apr 30, 2:58 PM EDT | Mesoscale Discussion | SPC | Garrett | 2 hr |
| Apr 30, 3:25 PM EDT | Mesoscale Discussion | SPC | Allegany, Anne Arundel, Baltimore, Calvert, Carroll, Charles and 12 more | 95 min |
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 | 17 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 1 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 7 |
| Special Weather Statement | 25 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flood Watch | 1 |
| Areal Flood Advisory | 2 |
| Winter | |
| Winter Weather Advisory | 2 |
| Cold | |
| Freeze Warning | 2 |
| Freeze Watch | 1 |
| Frost Advisory | 1 |
| Wind and dust | |
| Wind Advisory | 3 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
| Coast and beach | |
| Coastal Flood Warning | 1 |
| Coastal Flood Advisory | 19 |
| High Surf Advisory | 1 |
| Coastal Flood Statement | 6 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Saint Mary's County22
- Dorchester County19
- Anne Arundel County14
- Caroline County13
- Somerset County13
- Montgomery County13
- Talbot County12
- Wicomico County12
- Prince George's County12
- Baltimore County11
- Kent County11
- Calvert County11
- Harford County10
- Charles County10
- Queen Anne's County9
- Cecil County8
- Worcester County8
- Howard County8
- City of Baltimore7
- Washington County6
- Frederick County5
- Carroll County5
- Garrett County5
- Allegany County4
Nearby
Alerts in force nowTornadoes on recordThe radar archive20162018
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.