Alert archive / Maryland / 2017
Weather alerts in Maryland, September 2017
52 weather alerts in September 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 September 2017. Tap one for its archive.
- Alerts
- 52
- Warnings
- 7
- Watches
- 1
- Advisories
- 24
- Busiest day
- September 5, 20179 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 |
|---|---|---|---|---|
| Sep 1, 3:31 PM EDT | Rip Current Statement | AKQ | Worcester | 26 hr |
| Sep 1, 10:21 PM EDT | Coastal Flood Advisory | LWX | Anne Arundel | 8 hr |
| Sep 2, 3:00 AM EDT | Coastal Flood Advisory | LWX | Anne Arundel, Calvert, Charles, Saint Mary's | 28 hr |
| Sep 2, 10:41 AM EDT | Areal Flood Advisory | PHI | Caroline, Queen Anne's, Talbot | 4 hr |
| Sep 2, 5:17 PM EDT | Coastal Flood Advisory | AKQ | Dorchester, Somerset, Wicomico | 8 hr |
| Sep 2, 6:49 PM EDT | Special Weather Statement | AKQ | Dorchester, Somerset, Wicomico | 41 min |
| Sep 2, 7:46 PM EDT | Special Weather Statement | AKQ | Dorchester, Somerset, Wicomico | 44 min |
| Sep 2, 8:30 PM EDT | Special Weather Statement | AKQ | Wicomico | 45 min |
| Sep 2, 9:27 PM EDT | Special Weather Statement | AKQ | Worcester | 48 min |
| Sep 4, 8:07 PM EDT | Coastal Flood Advisory | LWX | Anne Arundel | 9 hr |
| Sep 5, 2:31 PM EDT | Mesoscale Discussion | SPC | Carroll, Frederick, Howard, Montgomery, Washington | 59 min |
| Sep 5, 2:38 PM EDT | Severe Thunderstorm Warning | LWX | Allegany, Washington | 22 min |
| Sep 5, 2:49 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 41 min |
| Sep 5, 3:20 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Washington | 40 min |
| Sep 5, 3:26 PM EDT | Severe Thunderstorm Watch | SPC | Baltimore, Carroll, Cecil, Frederick, Harford, Howard and 3 more | 5 hr |
| Sep 5, 3:51 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Frederick, Washington | 39 min |
| Sep 5, 5:00 PM EDT | Mesoscale Discussion | SPC | Baltimore, Carroll, Cecil, Harford, Howard, Kent and 2 more | 90 min |
| Sep 5, 6:19 PM EDT | Special Weather Statement | PHI | Cecil | 41 min |
| Sep 5, 10:44 PM EDT | Special Weather Statement | AKQ | Somerset, Wicomico | 46 min |
| Sep 5, 11:41 PM EDT | Special Weather Statement | AKQ | Wicomico, Worcester | 49 min |
| Sep 6, 5:15 PM EDT | Special Weather Statement | AKQ | Worcester | 45 min |
| Sep 6, 5:43 PM EDT | Areal Flood Advisory | AKQ | Somerset, Wicomico, Worcester | 3 hr |
| Sep 6, 5:50 PM EDT | Special Weather Statement | AKQ | Worcester | 25 min |
| Sep 6, 6:03 PM EDT | Special Weather Statement | AKQ | Worcester | 42 min |
| Sep 8, 2:17 PM EDT | Beach Hazards Statement | AKQ | Worcester | 30 hr |
| Sep 9, 7:56 PM EDT | Beach Hazards Statement | AKQ | Worcester | 24 hr |
| Sep 10, 11:46 PM EDT | Beach Hazards Statement | AKQ | Worcester | 44 hr |
| Sep 13, 7:19 PM EDT | Coastal Flood Advisory | LWX | Anne Arundel, Saint Mary's | 7 hr |
| Sep 14, 1:42 AM EDT | Dense Fog Advisory | LWX | Baltimore, Harford, City of Baltimore | 3 hr |
| Sep 14, 8:43 PM EDT | Coastal Flood Advisory | LWX | Saint Mary's | 2 hr |
| Sep 14, 9:08 PM EDT | Dense Fog Advisory | PBZ | 13 hr | |
| Sep 15, 12:10 AM EDT | Coastal Flood Advisory | LWX | Anne Arundel | 4 hr |
| Sep 15, 9:30 PM EDT | Dense Fog Advisory | PBZ | 12 hr | |
| Sep 16, 2:22 PM EDT | Coastal Flood Advisory | LWX | Anne Arundel, Baltimore, Calvert, Charles, Harford, Saint Mary's and 1 more | 8 days |
| Sep 16, 4:52 PM EDT | Beach Hazards Statement | AKQ | Worcester | 27 hr |
| Sep 17, 4:00 PM EDT | Beach Hazards Statement | AKQ | Worcester | 8 days |
| Sep 18, 3:17 AM EDT | Wind Advisory | AKQ | Worcester | 37 hr |
| Sep 18, 3:18 AM EDT | High Surf Advisory | AKQ | Worcester | 46 hr |
| Sep 18, 5:50 PM EDT | Coastal Flood Advisory | AKQ | Dorchester, Somerset, Wicomico, Worcester | 4 days |
| Sep 19, 1:44 PM EDT | Coastal Flood Warning | AKQ | Worcester | 11 hr |
| Sep 20, 12:58 AM EDT | Coastal Flood Advisory | PHI | Caroline, Queen Anne's, Talbot | 25 hr |
| Sep 20, 4:02 AM EDT | Coastal Flood Warning | AKQ | Dorchester, Somerset, Wicomico, Worcester | 15 hr |
| Sep 20, 8:09 AM EDT | Coastal Flood Warning | LWX | Saint Mary's | 21 hr |
| Sep 22, 7:09 AM EDT | Coastal Flood Advisory | AKQ | Dorchester, Somerset, Wicomico | 23 hr |
| Sep 23, 6:27 AM EDT | Coastal Flood Advisory | AKQ | Dorchester, Somerset, Wicomico | 25 hr |
| Sep 23, 1:59 PM EDT | Coastal Flood Advisory | AKQ | Dorchester, Somerset, Wicomico | 19 hr |
| Sep 25, 2:56 PM EDT | Coastal Flood Advisory | LWX | Anne Arundel, Saint Mary's | 55 hr |
| Sep 25, 4:30 PM EDT | High Surf Advisory | AKQ | Worcester | 66 hr |
| Sep 26, 4:31 AM EDT | Beach Hazards Statement | AKQ | Worcester | 4 days |
| Sep 29, 10:30 PM EDT | Coastal Flood Advisory | LWX | Anne Arundel | 5 hr |
| Sep 30, 1:01 PM EDT | Frost Advisory | PBZ | 20 hr | |
| Sep 30, 4:23 PM EDT | Beach Hazards Statement | AKQ | Worcester | 28 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 | 4 |
| Severe Thunderstorm Watch | 1 |
| Mesoscale Discussion | 2 |
| Special Weather Statement | 10 |
| Flooding | |
| Areal Flood Advisory | 2 |
| Cold | |
| Frost Advisory | 1 |
| Wind and dust | |
| Wind Advisory | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 3 |
| Coast and beach | |
| Coastal Flood Warning | 3 |
| Coastal Flood Advisory | 15 |
| High Surf Advisory | 2 |
| Beach Hazards Statement | 7 |
| Rip Current Statement | 1 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Worcester County20
- Wicomico County12
- Somerset County10
- Anne Arundel County8
- Dorchester County8
- Saint Mary's County6
- Washington County6
- Carroll County4
- Frederick County4
- Baltimore County4
- Harford County4
- City of Baltimore4
- Howard County3
- Montgomery County3
- Cecil County3
- Calvert County2
- Charles County2
- Caroline County2
- Queen Anne's County2
- Talbot County2
- Allegany County1
- Kent County1
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.