Alert archive / Maryland / 2017
Weather alerts in Maryland, August 2017
226 weather alerts in August 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 August 2017. Tap one for its archive.
- Alerts
- 226
- Warnings
- 108
- Watches
- 12
- Advisories
- 41
- Busiest day
- August 12, 201733 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 |
|---|---|---|---|---|
| Aug 1, 5:05 PM EDT | Areal Flood Warning | LWX | Baltimore, City of Baltimore | 6 hr |
| Aug 1, 5:48 PM EDT | Special Weather Statement | AKQ | Worcester | 42 min |
| Aug 1, 6:13 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery, Prince George's | 35 min |
| Aug 1, 6:19 PM EDT | Areal Flood Warning | LWX | Montgomery, Prince George's | 6 hr |
| Aug 1, 7:18 PM EDT | Flash Flood Warning | LWX | Montgomery, Prince George's | 3 hr |
| Aug 2, 12:55 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford | 37 min |
| Aug 2, 1:30 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Carroll, Cecil, Frederick, Harford and 6 more | 2 hr |
| Aug 2, 2:11 PM EDT | Coastal Flood Advisory | LWX | Anne Arundel | 14 hr |
| Aug 2, 2:31 PM EDT | Severe Thunderstorm Warning | LWX | Harford | 44 min |
| Aug 2, 2:40 PM EDT | Flash Flood Warning | LWX | Baltimore | 3 hr |
| Aug 2, 2:52 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford | 39 min |
| Aug 2, 3:24 PM EDT | Flash Flood Warning | LWX | Baltimore | 3 hr |
| Aug 2, 3:28 PM EDT | Flash Flood Warning | LWX | Harford | 3 hr |
| Aug 2, 3:56 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford | 49 min |
| Aug 2, 4:13 PM EDT | Flash Flood Warning | LWX | Baltimore, Harford | 3 hr |
| Aug 2, 6:00 PM EDT | Special Weather Statement | PHI | Kent | 30 min |
| Aug 2, 6:12 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel | 33 min |
| Aug 2, 6:21 PM EDT | Special Weather Statement | PHI | Queen Anne's | 39 min |
| Aug 2, 6:28 PM EDT | Areal Flood Advisory | PHI | Kent, Queen Anne's | 4 hr |
| Aug 2, 6:55 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Queen Anne's | 35 min |
| Aug 2, 7:30 PM EDT | Special Weather Statement | PHI | Caroline, Queen Anne's | 45 min |
| Aug 2, 7:58 PM EDT | Severe Thunderstorm Warning | PHI | Caroline | 47 min |
| Aug 2, 8:38 PM EDT | Special Weather Statement | PHI | Kent | 37 min |
| Aug 2, 9:12 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's | 34 min |
| Aug 3, 4:02 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Prince George's | 43 min |
| Aug 3, 4:17 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Washington | 21 min |
| Aug 3, 4:53 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, Howard, City of Baltimore | 52 min |
| Aug 3, 5:20 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore | 40 min |
| Aug 3, 5:33 PM EDT | Areal Flood Advisory | PHI | Caroline | 4 hr |
| Aug 3, 5:35 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll, Howard | 40 min |
| Aug 3, 5:37 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford | 33 min |
| Aug 3, 5:53 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford | 52 min |
| Aug 3, 5:55 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 35 min |
| Aug 3, 6:13 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 47 min |
| Aug 3, 6:28 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Carroll, Cecil, Frederick, Harford and 6 more | 62 min |
| Aug 3, 6:32 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery, Prince George's | 43 min |
| Aug 3, 6:56 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel | 20 min |
| Aug 3, 8:11 PM EDT | Severe Thunderstorm Warning | LWX | Frederick | 26 min |
| Aug 3, 10:23 PM EDT | Coastal Flood Advisory | LWX | Anne Arundel, Saint Mary's | 9 hr |
| Aug 4, 1:25 PM EDT | Severe Thunderstorm Watch | SPC | Garrett | 8 hr |
| Aug 4, 2:22 PM EDT | Coastal Flood Advisory | LWX | Anne Arundel, Baltimore, Calvert, Saint Mary's, City of Baltimore | 17 hr |
| Aug 4, 3:17 PM EDT | Special Weather Statement | PBZ | Garrett | 28 min |
| Aug 4, 3:50 PM EDT | Severe Thunderstorm Warning | PBZ | Garrett | 40 min |
| Aug 4, 5:03 PM EDT | Severe Thunderstorm Warning | LWX | Allegany | 27 min |
| Aug 4, 5:29 PM EDT | Severe Thunderstorm Warning | LWX | Allegany, Washington | 31 min |
| Aug 4, 5:49 PM EDT | Severe Thunderstorm Warning | LWX | Allegany, Washington | 27 min |
| Aug 4, 7:41 PM EDT | Mesoscale Discussion | SPC | Allegany, Garrett | 2 hr |
| Aug 4, 9:22 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Washington | 23 min |
| Aug 4, 9:49 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Frederick, Washington | 41 min |
| Aug 4, 10:26 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Frederick, Washington | 49 min |
| Aug 4, 11:10 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll | 32 min |
| Aug 5, 2:38 AM EDT | Special Weather Statement | PHI | Cecil | 52 min |
| Aug 6, 3:12 PM EDT | Flash Flood Watch | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 26 hr |
| Aug 6, 5:29 PM EDT | Flash Flood Watch | LWX | Anne Arundel, Baltimore, Calvert, Charles, Harford, Howard and 4 more | 23 hr |
| Aug 7, 3:32 AM EDT | Flash Flood Watch | AKQ | Dorchester, Somerset, Wicomico, Worcester | 18 hr |
| Aug 7, 8:54 AM EDT | Areal Flood Advisory | PHI | Cecil, Kent, Queen Anne's | 3 hr |
| Aug 7, 10:44 AM EDT | Flash Flood Warning | PHI | Caroline, Queen Anne's, Talbot | 4 hr |
| Aug 7, 11:41 AM EDT | Areal Flood Advisory | PHI | Caroline, Talbot | 3 hr |
| Aug 7, 12:16 PM EDT | Mesoscale Discussion | SPC | Calvert, Caroline, Dorchester, Saint Mary's, Somerset, Talbot and 2 more | 2 hr |
| Aug 7, 12:25 PM EDT | Special Weather Statement | AKQ | Somerset | 50 min |
| Aug 7, 1:10 PM EDT | Special Weather Statement | AKQ | Wicomico | 50 min |
| Aug 7, 1:14 PM EDT | Special Weather Statement | AKQ | Dorchester | 61 min |
| Aug 7, 1:22 PM EDT | Areal Flood Advisory | AKQ | Somerset, Wicomico | 3 hr |
| Aug 7, 1:35 PM EDT | Flash Flood Warning | PHI | Caroline, Queen Anne's, Talbot | 4 hr |
| Aug 7, 1:37 PM EDT | Severe Thunderstorm Warning | AKQ | Wicomico | 53 min |
| Aug 7, 2:40 PM EDT | Areal Flood Warning | PHI | Caroline, Queen Anne's, Talbot | 6 hr |
| Aug 7, 3:19 PM EDT | Tornado Warning | LWX | Saint Mary's | 12 min |
| Aug 7, 3:32 PM EDT | Special Weather Statement | AKQ | Wicomico | 43 min |
| Aug 7, 4:10 PM EDT | Special Weather Statement | AKQ | Wicomico | 50 min |
| Aug 7, 4:17 PM EDT | Mesoscale Discussion | SPC | Dorchester, Saint Mary's, Somerset, Wicomico, Worcester | 118 min |
| Aug 7, 4:28 PM EDT | Areal Flood Advisory | AKQ | Dorchester, Somerset, Wicomico | 3 hr |
| Aug 7, 4:32 PM EDT | Special Weather Statement | PHI | Talbot | 58 min |
| Aug 7, 4:39 PM EDT | Tornado Warning | AKQ | Wicomico, Worcester | 36 min |
| Aug 7, 4:53 PM EDT | Areal Flood Advisory | AKQ | Worcester | 3 hr |
| Aug 7, 5:25 PM EDT | Areal Flood Warning | PHI | Caroline, Queen Anne's, Talbot | 4 hr |
| Aug 7, 6:03 PM EDT | Coastal Flood Statement | AKQ | Dorchester, Somerset, Wicomico | 13 hr |
| Aug 7, 6:28 PM EDT | Special Weather Statement | AKQ | Somerset | 47 min |
| Aug 7, 6:37 PM EDT | Special Weather Statement | AKQ | Worcester | 38 min |
| Aug 7, 7:12 PM EDT | Special Weather Statement | AKQ | Worcester | 33 min |
| Aug 7, 7:15 PM EDT | Special Weather Statement | AKQ | Worcester | 30 min |
| Aug 7, 7:25 PM EDT | Special Weather Statement | AKQ | Worcester | 35 min |
| Aug 11, 3:48 PM EDT | Mesoscale Discussion | SPC | Allegany, Baltimore, Carroll, Frederick, Howard, Montgomery and 3 more | 87 min |
| Aug 11, 7:40 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Prince George's | 65 min |
| Aug 11, 9:18 PM EDT | Flash Flood Warning | LWX | Prince George's | 3 hr |
| Aug 11, 10:48 PM EDT | Flash Flood Warning | LWX | Calvert, Charles, Prince George's, Saint Mary's | 3 hr |
| Aug 11, 10:53 PM EDT | Special Weather Statement | PHI | Talbot | 37 min |
| Aug 11, 11:11 PM EDT | Severe Thunderstorm Warning | PHI | Talbot | 49 min |
| Aug 11, 11:16 PM EDT | Tornado Warning | PHI | Talbot | 44 min |
| Aug 11, 11:31 PM EDT | Areal Flood Advisory | PHI | Caroline, Talbot | 4 hr |
| Aug 11, 11:34 PM EDT | Special Weather Statement | AKQ | Dorchester | 41 min |
| Aug 11, 11:37 PM EDT | Tornado Warning | AKQ | Dorchester | 38 min |
| Aug 11, 11:53 PM EDT | Tornado Warning | PHI | Talbot | 37 min |
| Aug 11, 11:55 PM EDT | Areal Flood Warning | LWX | Prince George's | 6 hr |
| Aug 12, 12:12 AM EDT | Special Weather Statement | AKQ | Dorchester | 48 min |
| Aug 12, 12:41 AM EDT | Special Weather Statement | PHI | Wicomico | 34 min |
| Aug 12, 12:58 AM EDT | Special Weather Statement | AKQ | Dorchester | 47 min |
| Aug 12, 2:06 AM EDT | Areal Flood Advisory | AKQ | Dorchester, Somerset, Wicomico, Worcester | 3 hr |
| Aug 12, 6:27 AM EDT | Special Weather Statement | AKQ | Somerset, Worcester | 78 min |
| Aug 12, 7:45 AM EDT | Areal Flood Advisory | AKQ | Somerset, Worcester | 3 hr |
| Aug 12, 8:04 AM EDT | Areal Flood Advisory | AKQ | Wicomico, Worcester | 3 hr |
| Aug 12, 9:08 AM EDT | Flash Flood Warning | AKQ | Wicomico, Worcester | 3 hr |
| Aug 12, 11:59 AM EDT | Areal Flood Warning | AKQ | Wicomico, Worcester | 9 hr |
| Aug 12, 12:25 PM EDT | Areal Flood Advisory | PHI | Caroline | 4 hr |
| Aug 12, 1:45 PM EDT | Severe Thunderstorm Warning | LWX | Allegany, Washington | 28 min |
| Aug 12, 2:51 PM EDT | Coastal Flood Advisory | LWX | Saint Mary's | 5 hr |
| Aug 12, 3:26 PM EDT | Severe Thunderstorm Warning | LWX | Allegany, Washington | 39 min |
| Aug 12, 3:50 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 40 min |
| Aug 12, 4:11 PM EDT | Severe Thunderstorm Watch | SPC | Anne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 7 more | 7 hr |
| Aug 12, 5:00 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Washington | 45 min |
| Aug 12, 5:17 PM EDT | Mesoscale Discussion | SPC | Baltimore, Carroll, Cecil, Frederick, Harford, Howard and 2 more | 88 min |
| Aug 12, 5:56 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Frederick, Howard, Montgomery | 49 min |
| Aug 12, 5:58 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Montgomery | 47 min |
| Aug 12, 6:30 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 17 min |
| Aug 12, 7:19 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, Howard, City of Baltimore | 41 min |
| Aug 12, 7:32 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery, Prince George's | 43 min |
| Aug 12, 7:56 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel | 49 min |
| Aug 12, 8:09 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Calvert, Prince George's | 66 min |
| Aug 12, 8:25 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Calvert, Caroline, Charles, Dorchester, Kent and 4 more | 95 min |
| Aug 12, 8:45 PM EDT | Special Weather Statement | PHI | Talbot | 60 min |
| Aug 12, 9:01 PM EDT | Areal Flood Warning | AKQ | Wicomico, Worcester | 12 hr |
| Aug 12, 9:41 PM EDT | Special Weather Statement | AKQ | Dorchester | 49 min |
| Aug 12, 10:24 PM EDT | Special Weather Statement | PHI | Caroline | 36 min |
| Aug 12, 10:26 PM EDT | Special Weather Statement | AKQ | Dorchester | 49 min |
| Aug 12, 10:57 PM EDT | Special Weather Statement | PHI | Wicomico | 33 min |
| Aug 12, 11:09 PM EDT | Special Weather Statement | AKQ | Dorchester, Wicomico | 51 min |
| Aug 13, 8:59 AM EDT | Areal Flood Warning | AKQ | Wicomico, Worcester | 12 hr |
| Aug 15, 11:15 AM EDT | Flash Flood Warning | LWX | Montgomery, Prince George's | 3 hr |
| Aug 15, 12:04 PM EDT | Flash Flood Warning | LWX | Howard | 3 hr |
| Aug 15, 12:31 PM EDT | Areal Flood Warning | LWX | Harford | 6 hr |
| Aug 15, 12:43 PM EDT | Flash Flood Warning | LWX | Baltimore, City of Baltimore | 3 hr |
| Aug 15, 1:06 PM EDT | Areal Flood Advisory | PHI | Cecil | 4 hr |
| Aug 15, 1:39 PM EDT | Special Weather Statement | PHI | Kent | 66 min |
| Aug 15, 2:54 PM EDT | Special Weather Statement | PHI | Queen Anne's | 51 min |
| Aug 15, 3:21 PM EDT | Areal Flood Advisory | PHI | Caroline, Kent, Queen Anne's, Talbot | 4 hr |
| Aug 15, 3:33 PM EDT | Special Weather Statement | AKQ | Worcester | 42 min |
| Aug 15, 8:04 PM EDT | Beach Hazards Statement | AKQ | Worcester | 24 hr |
| Aug 15, 10:31 PM EDT | Dense Fog Advisory | LWX | Allegany, Anne Arundel, Baltimore, Carroll, Charles, Frederick and 6 more | 11 hr |
| Aug 16, 3:11 AM EDT | Dense Fog Advisory | PHI | Cecil, Kent | 5 hr |
| Aug 17, 2:42 PM EDT | Coastal Flood Advisory | LWX | Anne Arundel, Baltimore, Saint Mary's, City of Baltimore | 16 hr |
| Aug 17, 3:43 PM EDT | Special Weather Statement | PHI | Talbot | 62 min |
| Aug 18, 3:39 AM EDT | Flash Flood Watch | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 18 hr |
| Aug 18, 3:42 AM EDT | Heat Advisory | LWX | Anne Arundel, Baltimore, Charles, Howard, Montgomery, Prince George's and 1 more | 15 hr |
| Aug 18, 10:58 AM EDT | Coastal Flood Advisory | LWX | Anne Arundel, Saint Mary's | 19 hr |
| Aug 18, 12:35 PM EDT | Flash Flood Watch | LWX | Anne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 6 more | 8 hr |
| Aug 18, 1:54 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 10 more | 2 hr |
| Aug 18, 2:19 PM EDT | Special Weather Statement | AKQ | Worcester | 41 min |
| Aug 18, 2:27 PM EDT | Severe Thunderstorm Watch | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 16 more | 9 hr |
| Aug 18, 3:11 PM EDT | Special Weather Statement | AKQ | Worcester | 49 min |
| Aug 18, 3:59 PM EDT | Coastal Flood Advisory | AKQ | Dorchester, Somerset, Wicomico | 10 hr |
| Aug 18, 4:29 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 61 min |
| Aug 18, 4:34 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 10 more | 86 min |
| Aug 18, 4:35 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford | 55 min |
| Aug 18, 4:57 PM EDT | Areal Flood Advisory | PHI | Cecil | 3 hr |
| Aug 18, 5:03 PM EDT | Severe Thunderstorm Warning | PHI | Cecil, Kent | 42 min |
| Aug 18, 5:07 PM EDT | Flash Flood Warning | LWX | Baltimore, Howard, City of Baltimore | 3 hr |
| Aug 18, 5:10 PM EDT | Flash Flood Warning | LWX | Harford | 4 hr |
| Aug 18, 5:14 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, Harford, Howard, City of Baltimore | 91 min |
| Aug 18, 5:29 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 46 min |
| Aug 18, 5:32 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Howard, Montgomery, Prince George's | 73 min |
| Aug 18, 5:39 PM EDT | Severe Thunderstorm Warning | PHI | Cecil, Kent | 66 min |
| Aug 18, 5:59 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Charles, Prince George's, Saint Mary's | 46 min |
| Aug 18, 6:10 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's, Talbot | 65 min |
| Aug 18, 6:12 PM EDT | Areal Flood Advisory | PHI | Cecil, Kent, Queen Anne's | 3 hr |
| Aug 18, 6:34 PM EDT | Flash Flood Warning | LWX | Montgomery, Prince George's | 3 hr |
| Aug 18, 6:42 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Charles, Saint Mary's | 63 min |
| Aug 18, 7:07 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's, Talbot | 53 min |
| Aug 18, 7:14 PM EDT | Flash Flood Warning | LWX | Harford | 3 hr |
| Aug 18, 7:21 PM EDT | Special Weather Statement | AKQ | Dorchester | 39 min |
| Aug 18, 7:33 PM EDT | Areal Flood Advisory | PHI | Caroline, Talbot | 3 hr |
| Aug 18, 7:36 PM EDT | Flash Flood Warning | LWX | Calvert, Charles, Saint Mary's | 4 hr |
| Aug 18, 7:51 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Charles, Saint Mary's | 84 min |
| Aug 18, 7:53 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's, Talbot | 48 min |
| Aug 18, 8:03 PM EDT | Mesoscale Discussion | SPC | Calvert, Caroline, Dorchester, Saint Mary's, Somerset, Talbot and 2 more | 57 min |
| Aug 18, 8:07 PM EDT | Special Weather Statement | AKQ | Dorchester | 38 min |
| Aug 18, 8:34 PM EDT | Special Weather Statement | AKQ | Dorchester | 56 min |
| Aug 18, 8:48 PM EDT | Areal Flood Advisory | AKQ | Dorchester | 3 hr |
| Aug 18, 8:52 PM EDT | Special Weather Statement | AKQ | Somerset | 38 min |
| Aug 18, 9:17 PM EDT | Severe Thunderstorm Warning | AKQ | Somerset, Wicomico, Worcester | 43 min |
| Aug 18, 10:12 PM EDT | Areal Flood Warning | LWX | Harford | 2 hr |
| Aug 18, 11:21 PM EDT | Areal Flood Warning | LWX | Saint Mary's | 3 hr |
| Aug 19, 7:29 PM EDT | Special Weather Statement | PBZ | Garrett | 16 min |
| Aug 19, 8:16 PM EDT | Mesoscale Discussion | SPC | Allegany, Baltimore, Carroll, Frederick, Garrett, Howard and 2 more | 59 min |
| Aug 19, 8:35 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Frederick | 40 min |
| Aug 19, 10:02 PM EDT | Special Weather Statement | PHI | Kent, Queen Anne's | 28 min |
| Aug 19, 10:29 PM EDT | Special Weather Statement | PHI | Kent | 31 min |
| Aug 19, 10:51 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Calvert, Charles, Prince George's | 39 min |
| Aug 21, 2:53 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 7 more | 2 hr |
| Aug 21, 3:09 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford | 51 min |
| Aug 21, 3:30 PM EDT | Flash Flood Warning | LWX | Baltimore, City of Baltimore | 4 hr |
| Aug 21, 3:44 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 46 min |
| Aug 21, 3:55 PM EDT | Special Weather Statement | PHI | Cecil | 35 min |
| Aug 21, 4:51 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Saint Mary's | 39 min |
| Aug 21, 5:00 PM EDT | Tornado Warning | LWX | Charles, Saint Mary's | 30 min |
| Aug 21, 5:03 PM EDT | Special Weather Statement | PHI | Kent, Queen Anne's | 27 min |
| Aug 21, 5:24 PM EDT | Flash Flood Warning | LWX | Charles, Saint Mary's | 3 hr |
| Aug 21, 5:29 PM EDT | Severe Thunderstorm Warning | LWX | Saint Mary's | 34 min |
| Aug 21, 5:47 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore | 43 min |
| Aug 21, 7:56 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Frederick, Washington | 49 min |
| Aug 21, 8:16 PM EDT | Areal Flood Warning | LWX | Charles | 6 hr |
| Aug 21, 8:41 PM EDT | Severe Thunderstorm Warning | LWX | Frederick | 27 min |
| Aug 21, 8:53 PM EDT | Coastal Flood Advisory | LWX | Anne Arundel | 13 hr |
| Aug 22, 12:39 PM EDT | Severe Thunderstorm Watch | SPC | Garrett | 8 hr |
| Aug 22, 3:08 PM EDT | Mesoscale Discussion | SPC | Carroll | 67 min |
| Aug 22, 4:19 PM EDT | Severe Thunderstorm Watch | SPC | Cecil | 8 hr |
| Aug 22, 10:07 PM EDT | Severe Thunderstorm Warning | PHI | Cecil, Kent | 53 min |
| Aug 22, 10:14 PM EDT | Severe Thunderstorm Warning | LWX | Harford | 21 min |
| Aug 22, 10:40 PM EDT | Areal Flood Advisory | PHI | Cecil | 4 hr |
| Aug 22, 10:53 PM EDT | Mesoscale Discussion | SPC | Cecil | 97 min |
| Aug 22, 10:58 PM EDT | Severe Thunderstorm Warning | PHI | Cecil, Kent | 62 min |
| Aug 22, 11:30 PM EDT | Special Weather Statement | PHI | Cecil | 30 min |
| Aug 23, 1:56 AM EDT | Areal Flood Advisory | PHI | Cecil, Kent | 4 hr |
| Aug 26, 4:02 PM EDT | Beach Hazards Statement | AKQ | Worcester | 47 hr |
| Aug 27, 2:22 PM EDT | Coastal Flood Advisory | LWX | Saint Mary's | 7 hr |
| Aug 28, 3:36 AM EDT | Flash Flood Watch | AKQ | Somerset, Wicomico, Worcester | 41 hr |
| Aug 28, 4:03 AM EDT | High Surf Advisory | AKQ | Worcester | 51 hr |
| Aug 28, 4:11 AM EDT | High Wind Watch | AKQ | Worcester | 25 hr |
| Aug 28, 7:05 AM EDT | Coastal Flood Advisory | LWX | Anne Arundel, Baltimore, Calvert, Charles, Harford, Saint Mary's and 1 more | 4 days |
| Aug 28, 2:58 PM EDT | Wind Advisory | AKQ | Somerset, Wicomico, Worcester | 33 hr |
| Aug 29, 4:59 AM EDT | High Wind Warning | AKQ | Worcester | 14 hr |
| Aug 29, 12:50 PM EDT | Areal Flood Advisory | AKQ | Somerset, Worcester | 115 min |
| Aug 29, 2:14 PM EDT | Areal Flood Advisory | PHI | Cecil, Kent | 4 hr |
| Aug 29, 2:26 PM EDT | Areal Flood Advisory | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 6 hr |
| Aug 29, 2:46 PM EDT | Areal Flood Advisory | AKQ | Dorchester, Somerset, Wicomico, Worcester | 119 min |
| Aug 30, 7:24 AM EDT | Beach Hazards Statement | AKQ | Worcester | 3 days |
| Aug 30, 5:25 PM EDT | Coastal Flood Advisory | AKQ | Dorchester, Somerset, Wicomico | 11 hr |
| Aug 31, 6:10 AM EDT | Coastal Flood Advisory | AKQ | Dorchester, Somerset, Wicomico | 8 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 | 69 |
| Tornado Warning | 6 |
| Severe Thunderstorm Watch | 5 |
| Mesoscale Discussion | 15 |
| Special Weather Statement | 46 |
| Flooding | |
| Areal Flood Warning | 12 |
| Flash Flood Warning | 20 |
| Flash Flood Watch | 6 |
| Areal Flood Advisory | 24 |
| Heat | |
| Heat Advisory | 1 |
| Wind and dust | |
| High Wind Warning | 1 |
| High Wind Watch | 1 |
| Wind Advisory | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
| Coast and beach | |
| Coastal Flood Advisory | 12 |
| High Surf Advisory | 1 |
| Beach Hazards Statement | 3 |
| Coastal Flood Statement | 1 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Baltimore County38
- Worcester County34
- Kent County31
- Anne Arundel County30
- Prince George's County29
- Wicomico County29
- Harford County28
- Cecil County27
- Saint Mary's County27
- Talbot County27
- Montgomery County26
- Caroline County26
- Queen Anne's County25
- Dorchester County25
- Charles County24
- City of Baltimore23
- Frederick County23
- Howard County22
- Somerset County22
- Carroll County20
- Washington County20
- Calvert County19
- Allegany County9
- Garrett County7
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.