Alert archive / Maryland / 2011
Weather alerts in Maryland, August 2011
352 weather alerts in August 2011, 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 2011. Tap one for its archive.
- Alerts
- 352
- Warnings
- 125
- Watches
- 26
- Advisories
- 23
- Busiest day
- August 19, 201169 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, 3:22 PM EDT | Mesoscale Discussion | SPC | Allegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 15 more | 83 min |
| Aug 1, 3:25 PM EDT | Special Weather Statement | AKQ | Worcester | 65 min |
| Aug 1, 4:07 PM EDT | Special Weather Statement | PHI | Cecil | 53 min |
| Aug 1, 4:18 PM EDT | Special Weather Statement | PBZ | Garrett | 27 min |
| Aug 1, 4:24 PM EDT | Special Weather Statement | LWX | Harford | 36 min |
| Aug 1, 4:46 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 48 min |
| Aug 1, 5:12 PM EDT | Severe Thunderstorm Warning | PHI | Cecil, Kent, Queen Anne's | 78 min |
| Aug 1, 5:18 PM EDT | Special Weather Statement | LWX | Prince George's | 27 min |
| Aug 1, 5:24 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Montgomery, Prince George's | 51 min |
| Aug 1, 5:40 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Prince George's | 50 min |
| Aug 1, 5:54 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 51 min |
| Aug 1, 6:01 PM EDT | Special Weather Statement | LWX | Howard | 29 min |
| Aug 1, 6:03 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 42 min |
| Aug 1, 6:07 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Howard, Montgomery, Prince George's | 38 min |
| Aug 1, 6:12 PM EDT | Areal Flood Advisory | PHI | Kent, Queen Anne's | 2 hr |
| Aug 1, 6:13 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Washington | 47 min |
| Aug 1, 6:17 PM EDT | Special Weather Statement | LWX | Prince George's | 28 min |
| Aug 1, 6:18 PM EDT | Mesoscale Discussion | SPC | Caroline, Cecil, Kent, Queen Anne's | 57 min |
| Aug 1, 6:31 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Calvert | 22 min |
| Aug 1, 6:41 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Queen Anne's, Talbot | 18 min |
| Aug 1, 6:44 PM EDT | Special Weather Statement | PBZ | Garrett | 46 min |
| Aug 1, 7:04 PM EDT | Special Weather Statement | AKQ | Dorchester | 56 min |
| Aug 1, 7:06 PM EDT | Special Weather Statement | LWX | Prince George's | 24 min |
| Aug 1, 7:31 PM EDT | Special Weather Statement | PHI | Caroline, Cecil, Kent, Queen Anne's | 119 min |
| Aug 1, 7:46 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's | 38 min |
| Aug 1, 8:13 PM EDT | Special Weather Statement | LWX | Baltimore | 32 min |
| Aug 1, 8:14 PM EDT | Special Weather Statement | AKQ | Dorchester | 46 min |
| Aug 1, 9:29 PM EDT | Special Weather Statement | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 2 hr |
| Aug 1, 9:45 PM EDT | Special Weather Statement | LWX | Harford | 30 min |
| Aug 1, 10:16 PM EDT | Special Weather Statement | PHI | Kent | 89 min |
| Aug 1, 10:18 PM EDT | Special Weather Statement | LWX | Calvert | 27 min |
| Aug 1, 10:35 PM EDT | Special Weather Statement | AKQ | Wicomico, Worcester | 40 min |
| Aug 1, 11:01 PM EDT | Severe Thunderstorm Warning | AKQ | Somerset, Wicomico, Worcester | 29 min |
| Aug 1, 11:15 PM EDT | Special Weather Statement | AKQ | Wicomico, Worcester | 30 min |
| Aug 1, 11:32 PM EDT | Severe Thunderstorm Warning | AKQ | Worcester | 28 min |
| Aug 3, 12:29 AM EDT | Special Weather Statement | LWX | Baltimore, City of Baltimore | 46 min |
| Aug 3, 12:47 AM EDT | Special Weather Statement | LWX | Harford | 58 min |
| Aug 3, 1:14 AM EDT | Special Weather Statement | PHI | Caroline, Kent, Queen Anne's, Talbot | 61 min |
| Aug 3, 1:44 AM EDT | Special Weather Statement | PHI | Caroline, Queen Anne's | 61 min |
| Aug 3, 1:03 PM EDT | Mesoscale Discussion | SPC | Calvert, Charles, Dorchester, Saint Mary's, Somerset, Wicomico | 87 min |
| Aug 5, 1:12 PM EDT | Coastal Flood Advisory | LWX | Anne Arundel | 15 hr |
| Aug 6, 7:50 PM EDT | Coastal Flood Advisory | LWX | Anne Arundel, Baltimore, City of Baltimore | 8 hr |
| Aug 7, 1:55 AM EDT | Flash Flood Watch | PBZ | 3 hr | |
| Aug 7, 3:47 AM EDT | Areal Flood Warning | PBZ | Garrett | 3 hr |
| Aug 7, 12:52 PM EDT | Mesoscale Discussion | SPC | Charles, Montgomery | 53 min |
| Aug 7, 3:02 PM EDT | Special Weather Statement | PHI | Cecil | 28 min |
| Aug 7, 4:19 PM EDT | Special Weather Statement | LWX | Prince George's | 26 min |
| Aug 7, 4:50 PM EDT | Special Weather Statement | PHI | Cecil | 40 min |
| Aug 7, 5:05 PM EDT | Special Weather Statement | LWX | City of Baltimore | 25 min |
| Aug 7, 5:39 PM EDT | Special Weather Statement | PHI | Cecil | 36 min |
| Aug 7, 6:46 PM EDT | Special Weather Statement | LWX | Calvert | 19 min |
| Aug 9, 9:57 AM EDT | Special Weather Statement | LWX | Baltimore | 48 min |
| Aug 9, 12:40 PM EDT | Special Weather Statement | PHI | Cecil | 65 min |
| Aug 9, 2:13 PM EDT | Coastal Flood Advisory | LWX | Anne Arundel, Baltimore, Calvert, Saint Mary's, City of Baltimore | 14 hr |
| Aug 9, 3:21 PM EDT | Special Weather Statement | LWX | Montgomery | 24 min |
| Aug 9, 4:16 PM EDT | Special Weather Statement | LWX | Howard, City of Baltimore | 44 min |
| Aug 9, 4:24 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, Howard, City of Baltimore | 35 min |
| Aug 9, 4:58 PM EDT | Special Weather Statement | LWX | Anne Arundel | 32 min |
| Aug 9, 5:13 PM EDT | Special Weather Statement | PHI | Kent, Queen Anne's | 62 min |
| Aug 9, 5:48 PM EDT | Special Weather Statement | PHI | Cecil | 87 min |
| Aug 9, 5:49 PM EDT | Special Weather Statement | LWX | Prince George's | 26 min |
| Aug 9, 5:50 PM EDT | Special Weather Statement | LWX | Prince George's | 25 min |
| Aug 9, 6:11 PM EDT | Special Weather Statement | LWX | Calvert | 34 min |
| Aug 9, 6:20 PM EDT | Special Weather Statement | LWX | Calvert | 40 min |
| Aug 9, 6:35 PM EDT | Special Weather Statement | PHI | Talbot | 85 min |
| Aug 9, 6:50 PM EDT | Special Weather Statement | AKQ | Dorchester | 25 min |
| Aug 9, 7:07 PM EDT | Mesoscale Discussion | SPC | Caroline, Dorchester, Wicomico | 83 min |
| Aug 9, 7:25 PM EDT | Special Weather Statement | AKQ | Wicomico | 50 min |
| Aug 9, 8:29 PM EDT | Special Weather Statement | LWX | Harford | 16 min |
| Aug 9, 8:56 PM EDT | Special Weather Statement | PHI | Kent | 64 min |
| Aug 10, 12:34 AM EDT | Coastal Flood Statement | PHI | Queen Anne's, Talbot | 3 hr |
| Aug 13, 12:13 PM EDT | Special Weather Statement | PHI | Cecil | 62 min |
| Aug 13, 1:20 PM EDT | Special Weather Statement | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 115 min |
| Aug 13, 1:39 PM EDT | Special Weather Statement | LWX | Baltimore, Harford, City of Baltimore | 66 min |
| Aug 13, 1:43 PM EDT | Coastal Flood Advisory | LWX | Anne Arundel, Baltimore, Calvert, City of Baltimore | 21 hr |
| Aug 13, 1:56 PM EDT | Special Weather Statement | LWX | Montgomery | 34 min |
| Aug 13, 2:07 PM EDT | Mesoscale Discussion | SPC | Allegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 14 more | 113 min |
| Aug 13, 2:13 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 62 min |
| Aug 13, 2:54 PM EDT | Special Weather Statement | LWX | Baltimore, Carroll, Harford | 66 min |
| Aug 13, 3:10 PM EDT | Flood Watch | PHI | Cecil | 13 hr |
| Aug 13, 3:13 PM EDT | Special Weather Statement | PHI | Cecil, Kent | 92 min |
| Aug 13, 5:23 PM EDT | Special Weather Statement | LWX | Howard | 22 min |
| Aug 14, 12:37 AM EDT | Areal Flood Advisory | PHI | Cecil | 3 hr |
| Aug 14, 1:12 AM EDT | Flash Flood Warning | PHI | Cecil | 4 hr |
| Aug 14, 1:51 AM EDT | Areal Flood Advisory | PHI | Caroline, Kent, Queen Anne's, Talbot | 6 hr |
| Aug 14, 2:27 AM EDT | Flash Flood Warning | PHI | Caroline, Kent, Queen Anne's | 4 hr |
| Aug 14, 3:06 AM EDT | Special Weather Statement | LWX | Anne Arundel, Prince George's | 54 min |
| Aug 14, 3:23 AM EDT | Flash Flood Watch | LWX | Anne Arundel, Baltimore, Carroll, Frederick, Prince George's, City of Baltimore | 20 hr |
| Aug 14, 3:29 AM EDT | Flash Flood Warning | LWX | Anne Arundel, Charles, Prince George's | 3 hr |
| Aug 14, 3:42 AM EDT | Flash Flood Watch | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 25 hr |
| Aug 14, 4:22 AM EDT | Special Weather Statement | LWX | Harford | 53 min |
| Aug 14, 5:03 AM EDT | Flash Flood Warning | PHI | Cecil, Kent, Queen Anne's | 4 hr |
| Aug 14, 7:43 AM EDT | Flash Flood Warning | PHI | Kent, Queen Anne's | 4 hr |
| Aug 14, 8:41 AM EDT | Flash Flood Warning | PHI | Cecil, Kent, Queen Anne's | 4 hr |
| Aug 14, 10:08 AM EDT | Special Weather Statement | LWX | Baltimore, Harford, City of Baltimore | 52 min |
| Aug 14, 10:30 AM EDT | Special Weather Statement | LWX | Saint Mary's | 30 min |
| Aug 14, 10:46 AM EDT | Special Weather Statement | AKQ | Somerset | 59 min |
| Aug 14, 11:28 AM EDT | Special Weather Statement | LWX | Harford | 62 min |
| Aug 14, 12:16 PM EDT | Areal Flood Warning | PHI | Cecil, Kent | 4 hr |
| Aug 14, 12:18 PM EDT | Flash Flood Warning | LWX | Baltimore, Harford, City of Baltimore | 2 hr |
| Aug 14, 3:47 PM EDT | Mesoscale Discussion | SPC | Allegany, Frederick, Washington | 58 min |
| Aug 14, 4:57 PM EDT | Special Weather Statement | LWX | Allegany | 33 min |
| Aug 14, 5:31 PM EDT | Special Weather Statement | LWX | Allegany | 44 min |
| Aug 14, 5:33 PM EDT | Special Weather Statement | AKQ | Wicomico | 42 min |
| Aug 14, 5:56 PM EDT | Severe Thunderstorm Warning | LWX | Allegany | 49 min |
| Aug 14, 6:00 PM EDT | Special Weather Statement | LWX | Allegany | 45 min |
| Aug 14, 6:37 PM EDT | Mesoscale Discussion | SPC | Charles | 53 min |
| Aug 14, 7:31 PM EDT | Special Weather Statement | AKQ | Worcester | 44 min |
| Aug 14, 7:44 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Washington | 42 min |
| Aug 14, 8:29 PM EDT | Special Weather Statement | LWX | Montgomery | 31 min |
| Aug 14, 9:02 PM EDT | Special Weather Statement | LWX | Montgomery | 28 min |
| Aug 14, 9:15 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 22 min |
| Aug 14, 9:23 PM EDT | Flash Flood Warning | LWX | Montgomery, Prince George's | 3 hr |
| Aug 14, 9:36 PM EDT | Special Weather Statement | LWX | Howard, Montgomery | 54 min |
| Aug 14, 9:54 PM EDT | Flash Flood Warning | LWX | Frederick, Montgomery | 3 hr |
| Aug 14, 10:18 PM EDT | Special Weather Statement | LWX | Carroll | 42 min |
| Aug 14, 10:21 PM EDT | Special Weather Statement | LWX | Anne Arundel, Prince George's | 54 min |
| Aug 14, 10:48 PM EDT | Special Weather Statement | AKQ | Somerset | 42 min |
| Aug 14, 10:49 PM EDT | Special Weather Statement | LWX | Baltimore, City of Baltimore | 56 min |
| Aug 14, 11:27 PM EDT | Flash Flood Warning | LWX | Baltimore, Carroll, Howard, City of Baltimore | 77 min |
| Aug 15, 12:05 AM EDT | Special Weather Statement | PHI | Queen Anne's | 40 min |
| Aug 15, 12:56 AM EDT | Special Weather Statement | PHI | Cecil, Kent | 64 min |
| Aug 15, 1:09 AM EDT | Coastal Flood Advisory | LWX | Anne Arundel, Baltimore, Calvert, Charles, Prince George's, Saint Mary's and 1 more | 9 hr |
| Aug 15, 7:51 AM EDT | Special Weather Statement | LWX | City of Baltimore | 39 min |
| Aug 15, 8:01 AM EDT | Flash Flood Warning | LWX | Anne Arundel, Baltimore, City of Baltimore | 3 hr |
| Aug 15, 9:23 AM EDT | Flash Flood Warning | LWX | Baltimore, City of Baltimore | 3 hr |
| Aug 15, 9:36 AM EDT | Special Weather Statement | LWX | City of Baltimore | 24 min |
| Aug 15, 12:10 PM EDT | Flash Flood Watch | LWX | Baltimore, Carroll, City of Baltimore | 6 hr |
| Aug 15, 1:05 PM EDT | Areal Flood Advisory | PHI | Cecil, Kent | 4 hr |
| Aug 15, 1:10 PM EDT | Flash Flood Warning | LWX | Baltimore, City of Baltimore | 118 min |
| Aug 15, 1:38 PM EDT | Flash Flood Warning | PHI | Cecil, Kent, Queen Anne's | 4 hr |
| Aug 15, 3:25 PM EDT | Special Weather Statement | PHI | Caroline, Talbot | 3 hr |
| Aug 15, 3:49 PM EDT | Special Weather Statement | LWX | Calvert | 26 min |
| Aug 15, 3:53 PM EDT | Special Weather Statement | LWX | Prince George's | 37 min |
| Aug 15, 4:12 PM EDT | Special Weather Statement | LWX | Prince George's | 33 min |
| Aug 15, 4:28 PM EDT | Special Weather Statement | LWX | Saint Mary's | 32 min |
| Aug 15, 4:33 PM EDT | Flash Flood Warning | LWX | Prince George's | 80 min |
| Aug 15, 5:08 PM EDT | Special Weather Statement | AKQ | Worcester | 37 min |
| Aug 18, 5:45 AM EDT | Special Weather Statement | PHI | Cecil | 60 min |
| Aug 18, 1:55 PM EDT | Special Weather Statement | LWX | Carroll | 35 min |
| Aug 18, 3:12 PM EDT | Flash Flood Watch | PHI | Cecil, Kent | 29 hr |
| Aug 18, 3:51 PM EDT | Special Weather Statement | LWX | Anne Arundel | 24 min |
| Aug 18, 4:18 PM EDT | Special Weather Statement | LWX | City of Baltimore | 42 min |
| Aug 18, 4:40 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel | 50 min |
| Aug 18, 5:02 PM EDT | Flash Flood Warning | LWX | Anne Arundel | 3 hr |
| Aug 18, 5:08 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel | 52 min |
| Aug 18, 5:14 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford, City of Baltimore | 46 min |
| Aug 18, 5:20 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Frederick, Howard | 40 min |
| Aug 18, 5:21 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 39 min |
| Aug 18, 5:26 PM EDT | Flash Flood Warning | LWX | Baltimore, Harford, City of Baltimore | 3 hr |
| Aug 18, 5:38 PM EDT | Severe Thunderstorm Warning | LWX | Harford | 36 min |
| Aug 18, 5:44 PM EDT | Flash Flood Warning | LWX | Montgomery | 3 hr |
| Aug 18, 5:48 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 57 min |
| Aug 18, 5:51 PM EDT | Severe Thunderstorm Warning | LWX | Harford | 39 min |
| Aug 18, 5:55 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 50 min |
| Aug 18, 6:01 PM EDT | Flash Flood Warning | LWX | Carroll, Frederick, Howard | 81 min |
| Aug 18, 6:04 PM EDT | Areal Flood Advisory | PHI | Cecil | 116 min |
| Aug 18, 6:05 PM EDT | Special Weather Statement | LWX | Baltimore | 25 min |
| Aug 18, 6:11 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford | 24 min |
| Aug 18, 6:13 PM EDT | Special Weather Statement | LWX | Anne Arundel | 32 min |
| Aug 18, 6:21 PM EDT | Severe Thunderstorm Warning | LWX | Howard, Montgomery, Prince George's | 39 min |
| Aug 18, 6:34 PM EDT | Special Weather Statement | LWX | Montgomery | 26 min |
| Aug 18, 6:39 PM EDT | Special Weather Statement | LWX | Carroll | 36 min |
| Aug 18, 6:39 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Cecil, Harford, Howard, Kent and 4 more | 96 min |
| Aug 18, 6:49 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, Howard, Prince George's, City of Baltimore | 41 min |
| Aug 18, 7:28 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, Harford, City of Baltimore | 47 min |
| Aug 18, 8:23 PM EDT | Special Weather Statement | LWX | Washington | 37 min |
| Aug 18, 8:30 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 30 min |
| Aug 18, 8:35 PM EDT | Special Weather Statement | PHI | Queen Anne's | 55 min |
| Aug 18, 9:29 PM EDT | Special Weather Statement | LWX | Washington | 46 min |
| Aug 18, 9:39 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 51 min |
| Aug 18, 10:11 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Washington | 49 min |
| Aug 18, 10:36 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Washington | 39 min |
| Aug 18, 11:16 PM EDT | Special Weather Statement | LWX | Carroll, Howard, Montgomery | 29 min |
| Aug 18, 11:53 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford | 52 min |
| Aug 18, 11:58 PM EDT | Special Weather Statement | LWX | Baltimore, Howard, Montgomery, City of Baltimore | 32 min |
| Aug 19, 12:02 AM EDT | Special Weather Statement | PHI | Cecil | 58 min |
| Aug 19, 1:00 AM EDT | Special Weather Statement | PHI | Cecil | 45 min |
| Aug 19, 1:14 AM EDT | Areal Flood Advisory | PHI | Cecil, Kent | 3 hr |
| Aug 19, 1:44 AM EDT | Special Weather Statement | PHI | Cecil, Kent, Queen Anne's | 61 min |
| Aug 19, 11:54 AM EDT | Flash Flood Watch | LWX | Anne Arundel, Baltimore, Carroll, Prince George's, City of Baltimore | 8 hr |
| Aug 19, 2:02 PM EDT | Special Weather Statement | LWX | Allegany | 28 min |
| Aug 19, 2:09 PM EDT | Special Weather Statement | AKQ | Wicomico | 51 min |
| Aug 19, 2:32 PM EDT | Special Weather Statement | LWX | Allegany | 13 min |
| Aug 19, 2:39 PM EDT | Severe Thunderstorm Warning | AKQ | Wicomico | 36 min |
| Aug 19, 2:46 PM EDT | Special Weather Statement | LWX | Frederick | 14 min |
| Aug 19, 2:57 PM EDT | Special Weather Statement | LWX | Calvert | 33 min |
| Aug 19, 3:13 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Charles, Dorchester and 11 more | 62 min |
| Aug 19, 3:16 PM EDT | Severe Thunderstorm Warning | AKQ | Wicomico | 29 min |
| Aug 19, 3:21 PM EDT | Special Weather Statement | LWX | Calvert | 24 min |
| Aug 19, 3:25 PM EDT | Special Weather Statement | LWX | Allegany | 35 min |
| Aug 19, 3:34 PM EDT | Special Weather Statement | AKQ | Wicomico | 26 min |
| Aug 19, 3:54 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 32 min |
| Aug 19, 4:02 PM EDT | Special Weather Statement | AKQ | Wicomico, Worcester | 43 min |
| Aug 19, 4:09 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Queen Anne's | 66 min |
| Aug 19, 4:16 PM EDT | Special Weather Statement | LWX | Calvert | 29 min |
| Aug 19, 4:25 PM EDT | Special Weather Statement | CTP | Washington | 65 min |
| Aug 19, 4:42 PM EDT | Severe Thunderstorm Warning | PHI | Caroline | 63 min |
| Aug 19, 4:45 PM EDT | Special Weather Statement | LWX | Calvert | 30 min |
| Aug 19, 4:51 PM EDT | Special Weather Statement | LWX | Carroll | 39 min |
| Aug 19, 4:53 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 39 min |
| Aug 19, 4:53 PM EDT | Areal Flood Advisory | PHI | Caroline, Cecil, Kent, Queen Anne's | 5 hr |
| Aug 19, 5:15 PM EDT | Flash Flood Warning | LWX | Allegany | 3 hr |
| Aug 19, 5:15 PM EDT | Special Weather Statement | LWX | Baltimore | 30 min |
| Aug 19, 5:17 PM EDT | Special Weather Statement | LWX | Baltimore | 28 min |
| Aug 19, 5:19 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford | 41 min |
| Aug 19, 5:21 PM EDT | Special Weather Statement | LWX | Saint Mary's | 24 min |
| Aug 19, 5:31 PM EDT | Special Weather Statement | LWX | Calvert | 29 min |
| Aug 19, 5:35 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 55 min |
| Aug 19, 5:39 PM EDT | Areal Flood Advisory | PHI | Cecil | 3 hr |
| Aug 19, 5:40 PM EDT | Special Weather Statement | LWX | City of Baltimore | 35 min |
| Aug 19, 5:43 PM EDT | Special Weather Statement | LWX | Baltimore | 47 min |
| Aug 19, 5:45 PM EDT | River Flood Warning | LWX | Allegany | 3 hr |
| Aug 19, 5:51 PM EDT | Special Weather Statement | LWX | Harford | 24 min |
| Aug 19, 5:54 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford, City of Baltimore | 51 min |
| Aug 19, 6:00 PM EDT | Flash Flood Warning | LWX | Baltimore | 118 min |
| Aug 19, 6:03 PM EDT | Special Weather Statement | LWX | Prince George's | 27 min |
| Aug 19, 6:14 PM EDT | Special Weather Statement | LWX | Harford | 31 min |
| Aug 19, 6:14 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 65 min |
| Aug 19, 6:18 PM EDT | Areal Flood Advisory | PHI | Caroline, Kent, Queen Anne's, Talbot | 3 hr |
| Aug 19, 6:21 PM EDT | Severe Thunderstorm Warning | PHI | Cecil, Kent, Queen Anne's | 69 min |
| Aug 19, 6:26 PM EDT | Special Weather Statement | LWX | Anne Arundel | 34 min |
| Aug 19, 6:30 PM EDT | Special Weather Statement | LWX | Prince George's | 30 min |
| Aug 19, 6:34 PM EDT | Areal Flood Advisory | PHI | Caroline | 2 hr |
| Aug 19, 6:36 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, City of Baltimore | 54 min |
| Aug 19, 6:39 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 47 min |
| Aug 19, 6:40 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Prince George's | 50 min |
| Aug 19, 6:42 PM EDT | Mesoscale Discussion | SPC | Cecil | 63 min |
| Aug 19, 6:44 PM EDT | Special Weather Statement | LWX | Harford | 31 min |
| Aug 19, 6:54 PM EDT | Special Weather Statement | LWX | Anne Arundel | 36 min |
| Aug 19, 7:05 PM EDT | Special Weather Statement | LWX | Prince George's | 25 min |
| Aug 19, 7:11 PM EDT | Areal Flood Warning | PBZ | Garrett | 3 hr |
| Aug 19, 7:13 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Prince George's | 35 min |
| Aug 19, 7:28 PM EDT | Flash Flood Warning | LWX | Prince George's | 101 min |
| Aug 19, 7:54 PM EDT | Special Weather Statement | LWX | Prince George's | 36 min |
| Aug 19, 9:18 PM EDT | Special Weather Statement | PHI | Caroline, Kent, Queen Anne's, Talbot | 117 min |
| Aug 20, 7:00 PM EDT | Tropical Storm Warning | NHC | Anne Arundel, Baltimore, Calvert, Caroline, Cecil, Charles and 10 more | 8 days |
| Aug 21, 3:28 AM EDT | Flash Flood Watch | PHI | Cecil, Kent | 17 hr |
| Aug 21, 5:00 AM EDT | Hurricane Watch | NHC | Worcester | 5 days |
| Aug 21, 7:54 AM EDT | Special Weather Statement | LWX | Harford | 36 min |
| Aug 21, 8:01 AM EDT | Special Weather Statement | PHI | Cecil, Kent | 59 min |
| Aug 21, 8:04 AM EDT | Special Weather Statement | LWX | Harford | 26 min |
| Aug 21, 8:32 AM EDT | Special Weather Statement | LWX | Harford | 28 min |
| Aug 21, 9:08 AM EDT | Special Weather Statement | PHI | Cecil, Kent | 52 min |
| Aug 21, 9:36 AM EDT | Areal Flood Advisory | PHI | Cecil, Kent, Queen Anne's | 2 hr |
| Aug 21, 11:00 AM EDT | Hurricane Warning | NHC | Caroline, Dorchester, Saint Mary's, Somerset, Talbot, Wicomico and 1 more | 7 days |
| Aug 21, 11:10 AM EDT | Flash Flood Watch | LWX | Anne Arundel, Baltimore, Carroll, Prince George's, City of Baltimore | 7 hr |
| Aug 21, 11:54 AM EDT | Mesoscale Discussion | SPC | Allegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 15 more | 2 hr |
| Aug 21, 12:52 PM EDT | Severe Thunderstorm Watch | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 12 more | 8 hr |
| Aug 21, 1:11 PM EDT | Special Weather Statement | LWX | Baltimore, City of Baltimore | 34 min |
| Aug 21, 1:14 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford, City of Baltimore | 46 min |
| Aug 21, 1:20 PM EDT | Special Weather Statement | LWX | Howard | 25 min |
| Aug 21, 1:28 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, Howard, Montgomery, Prince George's | 47 min |
| Aug 21, 1:29 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, City of Baltimore | 46 min |
| Aug 21, 1:39 PM EDT | Flash Flood Warning | LWX | Baltimore, City of Baltimore | 3 hr |
| Aug 21, 1:40 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Montgomery, Washington | 50 min |
| Aug 21, 1:54 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, Harford, City of Baltimore | 51 min |
| Aug 21, 2:01 PM EDT | Tornado Warning | LWX | Anne Arundel | 29 min |
| Aug 21, 2:01 PM EDT | Severe Thunderstorm Warning | PHI | Cecil, Kent, Queen Anne's | 59 min |
| Aug 21, 2:06 PM EDT | Severe Thunderstorm Watch | SPC | Dorchester, Somerset, Wicomico, Worcester | 7 hr |
| Aug 21, 2:19 PM EDT | Tornado Warning | LWX | Baltimore | 26 min |
| Aug 21, 2:23 PM EDT | Special Weather Statement | LWX | Howard | 37 min |
| Aug 21, 2:39 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel | 36 min |
| Aug 21, 2:43 PM EDT | Areal Flood Advisory | PHI | Cecil, Kent, Queen Anne's | 3 hr |
| Aug 21, 2:51 PM EDT | Special Weather Statement | LWX | City of Baltimore | 24 min |
| Aug 21, 2:55 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Queen Anne's, Talbot | 65 min |
| Aug 21, 3:02 PM EDT | Special Weather Statement | LWX | Anne Arundel, Prince George's | 28 min |
| Aug 21, 3:11 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery, Prince George's | 49 min |
| Aug 21, 3:11 PM EDT | Areal Flood Advisory | PHI | Kent, Queen Anne's | 2 hr |
| Aug 21, 3:12 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery, Prince George's | 48 min |
| Aug 21, 3:35 PM EDT | Special Weather Statement | LWX | Anne Arundel | 25 min |
| Aug 21, 4:02 PM EDT | Special Weather Statement | LWX | Anne Arundel, Calvert, Charles, Prince George's, Saint Mary's | 28 min |
| Aug 21, 4:03 PM EDT | Special Weather Statement | PHI | Caroline, Kent, Queen Anne's, Talbot | 57 min |
| Aug 21, 4:06 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Calvert, Prince George's | 39 min |
| Aug 21, 4:24 PM EDT | Special Weather Statement | AKQ | Somerset | 66 min |
| Aug 21, 4:38 PM EDT | Special Weather Statement | LWX | Calvert | 37 min |
| Aug 21, 4:43 PM EDT | Severe Thunderstorm Warning | AKQ | Somerset | 47 min |
| Aug 21, 4:45 PM EDT | Flash Flood Warning | PHI | Kent | 3 hr |
| Aug 21, 4:48 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Calvert, Prince George's | 27 min |
| Aug 21, 5:09 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's, Talbot | 37 min |
| Aug 21, 5:18 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester | 47 min |
| Aug 21, 5:20 PM EDT | Areal Flood Advisory | PHI | Caroline, Queen Anne's, Talbot | 115 min |
| Aug 21, 5:24 PM EDT | Severe Thunderstorm Warning | AKQ | Somerset, Worcester | 51 min |
| Aug 21, 6:42 PM EDT | Mesoscale Discussion | SPC | Somerset | 63 min |
| Aug 21, 7:12 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 14 more | 63 min |
| Aug 21, 7:17 PM EDT | Areal Flood Advisory | PHI | Caroline | 118 min |
| Aug 21, 7:53 PM EDT | Special Weather Statement | LWX | Anne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 6 more | 7 min |
| Aug 21, 9:48 PM EDT | Special Weather Statement | LWX | City of Baltimore | 27 min |
| Aug 24, 1:32 PM EDT | Coastal Flood Advisory | LWX | Anne Arundel, Baltimore, Prince George's, City of Baltimore | 18 hr |
| Aug 25, 5:00 AM EDT | Tropical Storm Watch | NHC | Anne Arundel, Baltimore, Calvert, Caroline, Cecil, Charles and 9 more | 54 hr |
| Aug 25, 5:14 AM EDT | Hurricane Watch | AKQ | Worcester | 24 hr |
| Aug 25, 7:29 AM EDT | Special Weather Statement | LWX | Washington | 31 min |
| Aug 25, 8:18 AM EDT | Flash Flood Watch | LWX | Anne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 3 more | 12 hr |
| Aug 25, 9:15 AM EDT | Special Weather Statement | LWX | Harford | 30 min |
| Aug 25, 11:19 AM EDT | Areal Flood Advisory | PHI | Caroline, Cecil, Kent, Queen Anne's | 3 hr |
| Aug 25, 11:50 AM EDT | Special Weather Statement | PHI | Queen Anne's | 3 hr |
| Aug 25, 12:37 PM EDT | Hurricane Local Statement | AKQ | Dorchester, Somerset, Wicomico, Worcester | 65 hr |
| Aug 25, 1:24 PM EDT | Special Weather Statement | PHI | Caroline, Talbot | 96 min |
| Aug 25, 2:38 PM EDT | Areal Flood Advisory | PHI | Caroline, Queen Anne's, Talbot | 3 hr |
| Aug 25, 3:23 PM EDT | Severe Thunderstorm Watch | SPC | Anne Arundel, Calvert, Charles, Dorchester, Prince George's, Saint Mary's and 3 more | 5 hr |
| Aug 25, 4:36 PM EDT | Flood Watch | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 68 hr |
| Aug 25, 4:42 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 48 min |
| Aug 25, 4:48 PM EDT | Special Weather Statement | LWX | Saint Mary's | 42 min |
| Aug 25, 5:20 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Saint Mary's | 40 min |
| Aug 25, 5:26 PM EDT | Tropical Storm Watch | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 25 hr |
| Aug 25, 5:29 PM EDT | Special Weather Statement | LWX | Charles | 46 min |
| Aug 25, 5:35 PM EDT | Tropical Storm Watch | LWX | Anne Arundel, Baltimore, Calvert, Charles, Prince George's, Saint Mary's and 1 more | 12 hr |
| Aug 25, 5:47 PM EDT | Flash Flood Warning | LWX | Calvert, Charles, Saint Mary's | 97 min |
| Aug 25, 5:48 PM EDT | Hurricane Warning | AKQ | Dorchester, Somerset, Wicomico, Worcester | 66 hr |
| Aug 25, 5:48 PM EDT | Tropical Storm Watch | AKQ | Dorchester, Somerset, Wicomico | 12 hr |
| Aug 25, 5:59 PM EDT | Tornado Warning | LWX | Calvert, Saint Mary's | 31 min |
| Aug 25, 6:24 PM EDT | Special Weather Statement | AKQ | Dorchester | 56 min |
| Aug 25, 6:24 PM EDT | Mesoscale Discussion | SPC | Saint Mary's, Somerset, Worcester | 96 min |
| Aug 25, 6:29 PM EDT | Special Weather Statement | LWX | Saint Mary's | 61 min |
| Aug 25, 7:50 PM EDT | Special Weather Statement | AKQ | Worcester | 55 min |
| Aug 25, 8:01 PM EDT | Flash Flood Watch | AKQ | Dorchester, Somerset, Wicomico, Worcester | 4 hr |
| Aug 25, 11:51 PM EDT | Flood Watch | AKQ | Dorchester, Somerset, Wicomico, Worcester | 52 hr |
| Aug 26, 5:06 AM EDT | Flash Flood Watch | LWX | Anne Arundel, Baltimore, Calvert, Carroll, Charles, Prince George's and 2 more | 47 hr |
| Aug 26, 5:09 AM EDT | Tropical Storm Warning | LWX | Anne Arundel, Baltimore, Calvert, Charles, Prince George's, Saint Mary's and 1 more | 57 hr |
| Aug 26, 5:16 AM EDT | Hurricane Warning | PHI | Caroline, Talbot | 55 hr |
| Aug 26, 5:16 AM EDT | Tropical Storm Warning | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 66 hr |
| Aug 26, 5:27 AM EDT | Tropical Storm Warning | AKQ | Dorchester, Somerset, Wicomico, Worcester | 57 hr |
| Aug 26, 12:08 PM EDT | Hurricane Warning | LWX | Saint Mary's | 42 hr |
| Aug 26, 4:35 PM EDT | Special Weather Statement | PHI | Caroline | 55 min |
| Aug 27, 12:32 AM EDT | Tornado Watch | SPC | Somerset, Wicomico, Worcester | 10 hr |
| Aug 27, 3:06 AM EDT | Mesoscale Discussion | SPC | Somerset, Wicomico, Worcester | 114 min |
| Aug 27, 7:52 AM EDT | Mesoscale Discussion | SPC | Somerset, Wicomico, Worcester | 113 min |
| Aug 27, 10:31 AM EDT | Mesoscale Discussion | SPC | Somerset, Wicomico, Worcester | 29 min |
| Aug 27, 10:41 AM EDT | Tornado Watch | SPC | Calvert, Caroline, Dorchester, Kent, Queen Anne's, Saint Mary's and 4 more | 9 hr |
| Aug 27, 11:41 AM EDT | Areal Flood Warning | AKQ | Dorchester, Somerset, Wicomico, Worcester | 16 hr |
| Aug 27, 12:50 PM EDT | Flash Flood Warning | LWX | Calvert, Saint Mary's | 6 hr |
| Aug 27, 1:01 PM EDT | Mesoscale Discussion | SPC | Calvert, Caroline, Dorchester, Kent, Queen Anne's, Saint Mary's and 4 more | 119 min |
| Aug 27, 1:28 PM EDT | Special Weather Statement | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 62 min |
| Aug 27, 2:14 PM EDT | Areal Flood Warning | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 6 hr |
| Aug 27, 2:36 PM EDT | Special Weather Statement | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 54 min |
| Aug 27, 4:44 PM EDT | Mesoscale Discussion | SPC | Somerset, Wicomico, Worcester | 2 hr |
| Aug 27, 5:09 PM EDT | Flash Flood Warning | LWX | Anne Arundel, Calvert, Charles, Prince George's, Saint Mary's | 9 hr |
| Aug 27, 5:26 PM EDT | Flash Flood Warning | LWX | Anne Arundel, Howard, Montgomery, Prince George's | 9 hr |
| Aug 27, 6:24 PM EDT | Flash Flood Warning | LWX | Anne Arundel, Baltimore, Harford, City of Baltimore | 9 hr |
| Aug 27, 6:36 PM EDT | Areal Flood Warning | LWX | Calvert, Saint Mary's | 20 hr |
| Aug 27, 7:27 PM EDT | Flash Flood Warning | PHI | Caroline, Queen Anne's, Talbot | 12 hr |
| Aug 27, 7:56 PM EDT | Tornado Watch | SPC | Caroline, Cecil, Kent, Queen Anne's, Talbot | 9 hr |
| Aug 27, 8:28 PM EDT | Flash Flood Warning | PHI | Cecil, Kent, Queen Anne's | 12 hr |
| Aug 27, 8:49 PM EDT | Tornado Warning | PHI | Kent, Queen Anne's | 26 min |
| Aug 27, 8:54 PM EDT | River Flood Warning | LWX | Montgomery | 7 hr |
| Aug 27, 9:38 PM EDT | Flash Flood Warning | LWX | Baltimore, Carroll, Harford, Howard, Montgomery | 6 hr |
| Aug 28, 1:58 AM EDT | Areal Flood Warning | LWX | Anne Arundel, Calvert, Charles, Howard, Montgomery, Prince George's and 1 more | 6 hr |
| Aug 28, 3:05 AM EDT | Areal Flood Warning | LWX | Anne Arundel, Baltimore, Harford, Howard, City of Baltimore | 6 hr |
| Aug 28, 7:07 AM EDT | Areal Flood Warning | PHI | Caroline, Queen Anne's, Talbot | 12 hr |
| Aug 28, 8:09 AM EDT | Areal Flood Warning | PHI | Cecil, Kent | 12 hr |
| Aug 28, 12:20 PM EDT | Rip Current Statement | AKQ | Worcester | 8 hr |
| Aug 28, 3:23 PM EDT | Coastal Flood Statement | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 82 min |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Cecil County63
- Kent County63
- Queen Anne's County61
- Baltimore County60
- Anne Arundel County59
- Prince George's County55
- City of Baltimore55
- Caroline County49
- Calvert County41
- Talbot County39
- Harford County38
- Saint Mary's County35
- Montgomery County34
- Wicomico County34
- Worcester County32
- Charles County29
- Somerset County29
- Howard County28
- Dorchester County26
- Carroll County22
- Washington County21
- Frederick County18
- Allegany County13
- Garrett County5
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
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.