Alert archive / Maryland / 2018
Weather alerts in Maryland, August 2018
240 weather alerts in August 2018, 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 2018. Tap one for its archive.
- Alerts
- 240
- Warnings
- 111
- Watches
- 12
- Advisories
- 33
- Busiest day
- August 21, 201832 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 |
|---|---|---|---|---|
| Jul 31, 8:01 PM EDT | Special Weather Statement | AKQ | Dorchester | 44 min |
| Jul 31, 8:29 PM EDT | Areal Flood Advisory | AKQ | Dorchester | 3 hr |
| Jul 31, 9:04 PM EDT | Areal Flood Advisory | PHI | Caroline | 117 min |
| Jul 31, 9:10 PM EDT | Special Weather Statement | PHI | Caroline, Talbot | 95 min |
| Jul 31, 11:14 PM EDT | Flash Flood Watch | LWX | Calvert, Charles, Saint Mary's | 72 hr |
| Aug 1, 12:31 AM EDT | Areal Flood Warning | LWX | Calvert, Saint Mary's | 3 hr |
| Aug 1, 12:57 AM EDT | Special Weather Statement | PHI | Caroline, Talbot | 48 min |
| Aug 1, 1:28 AM EDT | Areal Flood Warning | LWX | Allegany, Washington | 3 hr |
| Aug 1, 1:42 AM EDT | Special Weather Statement | PHI | Caroline, Queen Anne's, Talbot | 33 min |
| Aug 1, 3:17 AM EDT | Special Weather Statement | PHI | Caroline, Queen Anne's | 43 min |
| Aug 1, 4:10 AM EDT | Flash Flood Watch | LWX | Allegany, Anne Arundel, Baltimore, Carroll, Frederick, Harford and 5 more | 3 days |
| Aug 1, 4:16 AM EDT | Flash Flood Watch | PBZ | 63 hr | |
| Aug 1, 4:27 AM EDT | Areal Flood Warning | LWX | Montgomery | 4 hr |
| Aug 1, 3:15 PM EDT | Mesoscale Discussion | SPC | Allegany, Carroll, Frederick, Garrett, Montgomery, Washington | 3 hr |
| Aug 1, 6:47 PM EDT | Areal Flood Warning | LWX | Allegany, Washington | 2 hr |
| Aug 1, 10:19 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford | 56 min |
| Aug 1, 10:58 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 47 min |
| Aug 1, 11:00 PM EDT | Areal Flood Warning | LWX | Baltimore, Harford, City of Baltimore | 3 hr |
| Aug 1, 11:05 PM EDT | Areal Flood Warning | LWX | Montgomery | 4 hr |
| Aug 1, 11:05 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Montgomery | 25 min |
| Aug 1, 11:33 PM EDT | Areal Flood Warning | LWX | Carroll, Howard, Montgomery | 108 min |
| Aug 1, 11:35 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 20 min |
| Aug 2, 11:29 AM EDT | Special Weather Statement | AKQ | Worcester | 31 min |
| Aug 2, 11:46 AM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Carroll, Cecil, Charles, Harford and 5 more | 119 min |
| Aug 2, 1:55 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 50 min |
| Aug 2, 2:51 PM EDT | Areal Flood Warning | LWX | Montgomery, Prince George's | 5 hr |
| Aug 2, 3:03 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Charles, Prince George's | 42 min |
| Aug 2, 3:25 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Prince George's | 35 min |
| Aug 2, 4:37 PM EDT | Special Weather Statement | PHI | Queen Anne's | 23 min |
| Aug 2, 5:03 PM EDT | Special Weather Statement | PHI | Kent | 27 min |
| Aug 2, 5:34 PM EDT | Special Weather Statement | PHI | Queen Anne's | 26 min |
| Aug 2, 6:07 PM EDT | Special Weather Statement | PHI | Kent, Queen Anne's | 38 min |
| Aug 2, 6:25 PM EDT | River Flood Watch | LWX | Washington | 20 hr |
| Aug 2, 7:00 PM EDT | River Flood Warning | LWX | Washington | 8 hr |
| Aug 2, 10:05 PM EDT | Areal Flood Warning | LWX | Allegany | 6 hr |
| Aug 2, 10:32 PM EDT | Flash Flood Warning | LWX | Allegany | 3 hr |
| Aug 2, 11:44 PM EDT | Areal Flood Warning | LWX | Prince George's | 6 hr |
| Aug 3, 12:12 AM EDT | River Flood Warning | LWX | Allegany | 3 hr |
| Aug 3, 12:25 AM EDT | River Flood Warning | LWX | Allegany | 3 hr |
| Aug 3, 10:01 AM EDT | Special Weather Statement | AKQ | Somerset | 44 min |
| Aug 3, 10:32 AM EDT | Areal Flood Advisory | AKQ | Dorchester, Somerset, Wicomico, Worcester | 111 min |
| Aug 3, 11:13 AM EDT | Special Weather Statement | AKQ | Dorchester | 47 min |
| Aug 3, 3:05 PM EDT | Special Weather Statement | AKQ | Worcester | 25 min |
| Aug 3, 7:28 PM EDT | Areal Flood Warning | LWX | Carroll, Howard, Montgomery | 3 hr |
| Aug 3, 8:08 PM EDT | Areal Flood Warning | LWX | Baltimore, Carroll, Frederick | 15 hr |
| Aug 3, 8:36 PM EDT | Special Weather Statement | AKQ | Dorchester | 39 min |
| Aug 3, 8:51 PM EDT | Areal Flood Warning | LWX | Washington | 3 hr |
| Aug 3, 9:09 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Frederick, Howard, Montgomery | 36 min |
| Aug 3, 9:40 PM EDT | Areal Flood Warning | LWX | Frederick | 6 hr |
| Aug 3, 11:25 PM EDT | Special Weather Statement | PHI | Talbot | 50 min |
| Aug 4, 12:01 AM EDT | Special Weather Statement | PHI | Kent, Queen Anne's | 29 min |
| Aug 4, 12:56 AM EDT | Areal Flood Warning | LWX | Carroll, Frederick | 11 hr |
| Aug 4, 1:19 AM EDT | Areal Flood Warning | LWX | Carroll, Frederick | 11 hr |
| Aug 4, 1:23 AM EDT | Flash Flood Warning | LWX | Carroll, Frederick | 3 hr |
| Aug 4, 1:34 AM EDT | Areal Flood Warning | LWX | Baltimore, Harford | 5 hr |
| Aug 4, 1:50 AM EDT | Areal Flood Warning | LWX | Howard, Montgomery | 103 min |
| Aug 4, 2:23 AM EDT | Dense Fog Advisory | LWX | Allegany, Washington | 5 hr |
| Aug 4, 6:55 AM EDT | Dense Fog Advisory | PBZ | 2 hr | |
| Aug 4, 9:58 AM EDT | Areal Flood Warning | LWX | Anne Arundel, Baltimore, Howard | 17 hr |
| Aug 4, 11:06 AM EDT | Areal Flood Warning | LWX | Baltimore | 5 hr |
| Aug 4, 11:14 AM EDT | River Flood Warning | LWX | Frederick | 16 hr |
| Aug 4, 11:57 AM EDT | Areal Flood Warning | LWX | Carroll, Frederick | 4 hr |
| Aug 6, 12:40 PM EDT | Severe Thunderstorm Warning | LWX | Allegany | 36 min |
| Aug 6, 12:42 PM EDT | Areal Flood Warning | LWX | Allegany | 86 min |
| Aug 6, 12:43 PM EDT | Special Weather Statement | AKQ | Worcester | 47 min |
| Aug 6, 1:01 PM EDT | Severe Thunderstorm Warning | LWX | Allegany, Washington | 25 min |
| Aug 6, 1:27 PM EDT | Special Weather Statement | AKQ | Worcester | 48 min |
| Aug 6, 2:01 PM EDT | Special Weather Statement | AKQ | Worcester | 44 min |
| Aug 7, 12:25 PM EDT | Heat Advisory | LWX | Baltimore, City of Baltimore | 5 hr |
| Aug 7, 1:43 PM EDT | Special Weather Statement | AKQ | Worcester | 47 min |
| Aug 7, 2:18 PM EDT | Special Weather Statement | PBZ | Garrett | 27 min |
| Aug 7, 2:26 PM EDT | Areal Flood Advisory | AKQ | Worcester | 108 min |
| Aug 7, 2:36 PM EDT | Special Weather Statement | AKQ | Worcester | 24 min |
| Aug 7, 2:53 PM EDT | Special Weather Statement | AKQ | Worcester | 37 min |
| Aug 7, 3:55 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery, Prince George's | 30 min |
| Aug 7, 4:06 PM EDT | Severe Thunderstorm Warning | LWX | Allegany, Washington | 39 min |
| Aug 7, 4:39 PM EDT | Areal Flood Warning | LWX | Baltimore, Harford | 5 hr |
| Aug 7, 4:50 PM EDT | Special Weather Statement | PHI | Kent | 55 min |
| Aug 7, 5:22 PM EDT | Flash Flood Warning | LWX | Baltimore | 2 hr |
| Aug 7, 6:13 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Prince George's | 47 min |
| Aug 7, 6:53 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Prince George's | 37 min |
| Aug 7, 7:14 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Calvert, Prince George's | 46 min |
| Aug 7, 8:02 PM EDT | Special Weather Statement | AKQ | Dorchester | 28 min |
| Aug 7, 8:10 PM EDT | Special Weather Statement | PHI | Talbot | 50 min |
| Aug 7, 8:30 PM EDT | Special Weather Statement | AKQ | Dorchester | 30 min |
| Aug 7, 8:50 PM EDT | Special Weather Statement | AKQ | Somerset | 25 min |
| Aug 7, 8:51 PM EDT | Special Weather Statement | PHI | Caroline | 39 min |
| Aug 7, 8:57 PM EDT | Special Weather Statement | AKQ | Dorchester | 33 min |
| Aug 7, 9:44 PM EDT | Special Weather Statement | AKQ | Wicomico | 31 min |
| Aug 7, 10:14 PM EDT | Special Weather Statement | AKQ | Wicomico | 31 min |
| Aug 8, 5:37 PM EDT | Special Weather Statement | AKQ | Worcester | 8 min |
| Aug 8, 8:05 PM EDT | Severe Thunderstorm Warning | LWX | Allegany, Washington | 40 min |
| Aug 8, 8:28 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 47 min |
| Aug 8, 9:38 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll, Frederick | 52 min |
| Aug 8, 10:00 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll, Howard | 45 min |
| Aug 8, 10:21 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford | 39 min |
| Aug 8, 10:42 PM EDT | Special Weather Statement | PHI | Cecil, Kent | 63 min |
| Aug 8, 10:46 PM EDT | Severe Thunderstorm Warning | LWX | Harford | 32 min |
| Aug 8, 10:51 PM EDT | Special Weather Statement | AKQ | Dorchester | 24 min |
| Aug 9, 12:03 AM EDT | Special Weather Statement | PHI | Caroline, Kent, Queen Anne's | 57 min |
| Aug 10, 6:38 PM EDT | Coastal Flood Statement | AKQ | Dorchester | 12 hr |
| Aug 11, 3:24 AM EDT | Flash Flood Watch | PHI | Cecil, Kent, Queen Anne's | 20 hr |
| Aug 11, 10:50 AM EDT | Flash Flood Watch | LWX | Anne Arundel, Baltimore, Carroll, Frederick, Harford, Howard and 3 more | 10 hr |
| Aug 11, 11:46 AM EDT | Special Weather Statement | AKQ | Worcester | 44 min |
| Aug 11, 12:32 PM EDT | Areal Flood Advisory | AKQ | Worcester | 3 hr |
| Aug 11, 12:43 PM EDT | Special Weather Statement | AKQ | Worcester | 47 min |
| Aug 11, 4:19 PM EDT | Areal Flood Advisory | PHI | Cecil | 3 hr |
| Aug 11, 4:19 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 29 min |
| Aug 11, 5:20 PM EDT | Areal Flood Advisory | PHI | Cecil, Kent, Queen Anne's | 4 hr |
| Aug 11, 5:24 PM EDT | Special Weather Statement | PHI | Cecil | 36 min |
| Aug 11, 6:08 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Queen Anne's | 52 min |
| Aug 11, 6:12 PM EDT | Flash Flood Warning | PHI | Cecil, Kent, Queen Anne's | 3 hr |
| Aug 11, 6:45 PM EDT | Flash Flood Warning | PHI | Caroline, Queen Anne's, Talbot | 5 hr |
| Aug 11, 6:55 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Queen Anne's, Talbot | 50 min |
| Aug 11, 7:42 PM EDT | Special Weather Statement | PHI | Caroline, Queen Anne's, Talbot | 48 min |
| Aug 11, 8:39 PM EDT | Special Weather Statement | PHI | Talbot | 36 min |
| Aug 11, 9:05 PM EDT | Special Weather Statement | AKQ | Talbot | 55 min |
| Aug 11, 9:11 PM EDT | Areal Flood Advisory | PHI | Cecil, Kent, Queen Anne's | 81 min |
| Aug 11, 9:15 PM EDT | Areal Flood Warning | LWX | Calvert | 5 hr |
| Aug 11, 9:36 PM EDT | Flash Flood Warning | LWX | Calvert | 3 hr |
| Aug 11, 9:48 PM EDT | Special Weather Statement | AKQ | Dorchester | 57 min |
| Aug 11, 10:49 PM EDT | Special Weather Statement | AKQ | Dorchester | 41 min |
| Aug 12, 1:51 AM EDT | Coastal Flood Statement | AKQ | Dorchester | 2 hr |
| Aug 12, 2:53 PM EDT | Areal Flood Warning | LWX | Frederick | 4 hr |
| Aug 12, 4:27 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 48 min |
| Aug 12, 5:09 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Charles, Prince George's, Saint Mary's | 47 min |
| Aug 12, 5:10 PM EDT | Areal Flood Warning | LWX | Charles | 5 hr |
| Aug 12, 5:14 PM EDT | Special Weather Statement | AKQ | Wicomico | 61 min |
| Aug 12, 5:27 PM EDT | Areal Flood Warning | LWX | Charles | 5 hr |
| Aug 12, 6:05 PM EDT | Areal Flood Advisory | AKQ | Somerset, Wicomico | 3 hr |
| Aug 12, 6:26 PM EDT | Special Weather Statement | AKQ | Wicomico | 64 min |
| Aug 12, 6:34 PM EDT | Special Weather Statement | AKQ | Dorchester | 41 min |
| Aug 12, 6:56 PM EDT | Areal Flood Advisory | AKQ | Dorchester | 3 hr |
| Aug 12, 7:35 PM EDT | Special Weather Statement | PHI | Talbot | 55 min |
| Aug 12, 7:43 PM EDT | Special Weather Statement | AKQ | Dorchester | 62 min |
| Aug 12, 8:06 PM EDT | Areal Flood Advisory | AKQ | Dorchester, Somerset | 3 hr |
| Aug 12, 10:08 PM EDT | Flash Flood Watch | PHI | Cecil | 24 hr |
| Aug 13, 1:31 AM EDT | Areal Flood Warning | LWX | Baltimore, City of Baltimore | 4 hr |
| Aug 13, 3:20 AM EDT | Dense Fog Advisory | LWX | Allegany | 4 hr |
| Aug 13, 3:45 AM EDT | Areal Flood Warning | LWX | Baltimore | 76 min |
| Aug 13, 4:21 AM EDT | Flash Flood Watch | LWX | Allegany, Anne Arundel, Baltimore, Carroll, Frederick, Harford and 5 more | 18 hr |
| Aug 13, 4:31 AM EDT | Special Weather Statement | AKQ | Somerset | 44 min |
| Aug 13, 4:51 AM EDT | Areal Flood Warning | LWX | Baltimore | 60 min |
| Aug 13, 5:12 AM EDT | Areal Flood Advisory | PHI | Cecil, Kent | 103 min |
| Aug 13, 5:25 AM EDT | Areal Flood Warning | LWX | Harford | 3 hr |
| Aug 13, 10:33 AM EDT | Areal Flood Advisory | PBZ | Garrett | 117 min |
| Aug 13, 11:31 AM EDT | Flash Flood Watch | PBZ | 8 hr | |
| Aug 13, 1:53 PM EDT | Areal Flood Warning | LWX | Allegany, Washington | 4 hr |
| Aug 13, 1:57 PM EDT | Mesoscale Discussion | SPC | Allegany, Garrett | 3 hr |
| Aug 13, 4:22 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 38 min |
| Aug 13, 4:57 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery, Prince George's | 48 min |
| Aug 13, 5:07 PM EDT | Areal Flood Warning | LWX | Carroll, Howard | 3 hr |
| Aug 13, 5:22 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, Howard | 38 min |
| Aug 13, 5:35 PM EDT | Flash Flood Warning | LWX | Baltimore, City of Baltimore | 3 hr |
| Aug 13, 5:49 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, City of Baltimore | 41 min |
| Aug 13, 6:20 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford | 55 min |
| Aug 13, 6:55 PM EDT | Severe Thunderstorm Warning | LWX | Harford | 50 min |
| Aug 13, 6:57 PM EDT | Special Weather Statement | PHI | Cecil, Kent, Queen Anne's, Talbot | 48 min |
| Aug 13, 7:17 PM EDT | Special Weather Statement | PHI | Cecil | 28 min |
| Aug 13, 8:55 PM EDT | Special Weather Statement | PHI | Caroline | 50 min |
| Aug 14, 10:47 PM EDT | Areal Flood Warning | LWX | Allegany | 2 hr |
| Aug 16, 8:33 PM EDT | Coastal Flood Advisory | LWX | Harford | 6 hr |
| Aug 17, 3:10 PM EDT | Mesoscale Discussion | SPC | Charles, Frederick, Howard, Montgomery, Prince George's | 3 hr |
| Aug 17, 3:24 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Washington | 51 min |
| Aug 17, 3:40 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Frederick, Washington | 65 min |
| Aug 18, 12:56 AM EDT | Areal Flood Advisory | PHI | Cecil | 4 hr |
| Aug 18, 2:22 AM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 23 min |
| Aug 18, 3:16 AM EDT | Flash Flood Watch | PHI | Cecil | 20 hr |
| Aug 18, 8:53 PM EDT | Special Weather Statement | AKQ | Somerset | 67 min |
| Aug 20, 2:05 PM EDT | Coastal Flood Advisory | LWX | Anne Arundel, Baltimore, Saint Mary's, City of Baltimore | 17 hr |
| Aug 20, 2:22 PM EDT | Special Weather Statement | AKQ | Somerset | 38 min |
| Aug 20, 10:26 PM EDT | Coastal Flood Statement | AKQ | Dorchester | 5 hr |
| Aug 21, 11:00 AM EDT | Coastal Flood Advisory | LWX | Saint Mary's | 2 hr |
| Aug 21, 12:22 PM EDT | Special Weather Statement | AKQ | Somerset | 53 min |
| Aug 21, 1:25 PM EDT | Coastal Flood Advisory | LWX | Anne Arundel, Baltimore, Calvert, Harford, Saint Mary's, City of Baltimore | 21 hr |
| Aug 21, 1:55 PM EDT | Areal Flood Warning | LWX | Prince George's | 5 hr |
| Aug 21, 2:06 PM EDT | Special Weather Statement | PBZ | Garrett | 39 min |
| Aug 21, 2:16 PM EDT | Mesoscale Discussion | SPC | Allegany, Garrett | 119 min |
| Aug 21, 2:29 PM EDT | Special Weather Statement | AKQ | Somerset | 31 min |
| Aug 21, 2:33 PM EDT | Severe Thunderstorm Warning | PBZ | Garrett | 27 min |
| Aug 21, 2:34 PM EDT | Severe Thunderstorm Warning | LWX | Allegany | 41 min |
| Aug 21, 2:41 PM EDT | Severe Thunderstorm Watch | SPC | Allegany, Carroll, Frederick, Garrett, Washington | 7 hr |
| Aug 21, 2:56 PM EDT | Special Weather Statement | PHI | Caroline, Kent, Queen Anne's, Talbot | 94 min |
| Aug 21, 3:00 PM EDT | Severe Thunderstorm Warning | LWX | Allegany | 45 min |
| Aug 21, 3:01 PM EDT | Special Weather Statement | AKQ | Somerset | 44 min |
| Aug 21, 3:13 PM EDT | Severe Thunderstorm Warning | LWX | Allegany | 47 min |
| Aug 21, 3:32 PM EDT | Tornado Warning | LWX | Allegany | 28 min |
| Aug 21, 3:43 PM EDT | Severe Thunderstorm Warning | LWX | Allegany, Washington | 47 min |
| Aug 21, 3:48 PM EDT | Areal Flood Warning | LWX | Charles, Saint Mary's | 3 hr |
| Aug 21, 3:49 PM EDT | Tornado Warning | LWX | Saint Mary's | 26 min |
| Aug 21, 3:59 PM EDT | Severe Thunderstorm Warning | LWX | Allegany, Washington | 34 min |
| Aug 21, 4:56 PM EDT | Mesoscale Discussion | SPC | Allegany, Carroll, Frederick, Garrett, Montgomery, Washington | 2 hr |
| Aug 21, 5:03 PM EDT | Mesoscale Discussion | SPC | Charles, Saint Mary's | 117 min |
| Aug 21, 5:12 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 48 min |
| Aug 21, 5:52 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 38 min |
| Aug 21, 6:02 PM EDT | Areal Flood Warning | LWX | Washington | 9 hr |
| Aug 21, 6:09 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Washington | 51 min |
| Aug 21, 6:20 PM EDT | Coastal Flood Advisory | AKQ | Dorchester | 10 hr |
| Aug 21, 6:42 PM EDT | Special Weather Statement | AKQ | Dorchester, Wicomico | 48 min |
| Aug 21, 6:59 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Washington | 46 min |
| Aug 21, 7:06 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Carroll, Cecil, Frederick, Harford and 7 more | 84 min |
| Aug 21, 7:07 PM EDT | Special Weather Statement | PHI | Caroline, Talbot | 53 min |
| Aug 21, 7:24 PM EDT | Special Weather Statement | AKQ | Wicomico | 36 min |
| Aug 21, 8:05 PM EDT | Special Weather Statement | PHI | Caroline, Cecil, Kent, Queen Anne's | 40 min |
| Aug 21, 8:25 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 50 min |
| Aug 21, 8:35 PM EDT | Areal Flood Warning | LWX | Washington | 22 hr |
| Aug 21, 9:18 PM EDT | Areal Flood Warning | LWX | Baltimore, Carroll, Frederick, Harford, Howard, Montgomery | 6 hr |
| Aug 21, 11:16 PM EDT | Areal Flood Warning | LWX | Montgomery | 6 hr |
| Aug 21, 11:41 PM EDT | Areal Flood Warning | LWX | Baltimore, Carroll, Howard, Montgomery, City of Baltimore | 12 hr |
| Aug 22, 12:32 AM EDT | Areal Flood Advisory | PHI | Caroline, Cecil, Kent, Queen Anne's | 3 hr |
| Aug 22, 1:11 AM EDT | Areal Flood Warning | LWX | Prince George's | 10 hr |
| Aug 22, 1:16 AM EDT | Coastal Flood Warning | LWX | Anne Arundel | 5 hr |
| Aug 22, 2:59 AM EDT | Areal Flood Warning | LWX | Frederick | 8 hr |
| Aug 22, 3:20 AM EDT | Areal Flood Warning | LWX | Baltimore, Harford | 92 min |
| Aug 27, 2:58 AM EDT | Heat Advisory | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 65 hr |
| Aug 28, 3:52 AM EDT | Heat Advisory | LWX | Anne Arundel, Baltimore, Calvert, Charles, Harford, Howard and 5 more | 16 hr |
| Aug 28, 1:11 PM EDT | Heat Advisory | AKQ | Dorchester, Somerset, Wicomico, Worcester | 6 hr |
| Aug 28, 3:16 PM EDT | Heat Advisory | AKQ | Dorchester, Somerset, Wicomico, Worcester | 28 hr |
| Aug 29, 3:49 AM EDT | Heat Advisory | LWX | Anne Arundel, Baltimore, Calvert, Charles, Harford, Howard and 5 more | 16 hr |
| Aug 31, 12:21 AM EDT | Special Weather Statement | AKQ | Dorchester, Somerset | 54 min |
| Aug 31, 1:03 AM EDT | Special Weather Statement | AKQ | Dorchester, Wicomico, Worcester | 42 min |
| Aug 31, 1:55 AM EDT | Special Weather Statement | AKQ | Wicomico, Worcester | 65 min |
| Aug 31, 11:03 AM EDT | Flash Flood Watch | LWX | Anne Arundel, Baltimore, Carroll, Frederick, Harford, Howard and 3 more | 13 hr |
| Aug 31, 12:26 PM EDT | Areal Flood Warning | LWX | Howard | 3 hr |
| Aug 31, 1:24 PM EDT | Areal Flood Warning | LWX | Anne Arundel | 97 min |
| Aug 31, 4:27 PM EDT | Special Weather Statement | AKQ | Dorchester | 33 min |
| Aug 31, 4:41 PM EDT | Areal Flood Advisory | PHI | Cecil | 4 hr |
| Aug 31, 4:58 PM EDT | Areal Flood Advisory | AKQ | Dorchester, Wicomico | 2 hr |
| Aug 31, 5:03 PM EDT | Special Weather Statement | AKQ | Somerset | 42 min |
| Aug 31, 5:25 PM EDT | Areal Flood Warning | LWX | Baltimore, Harford | 8 hr |
| Aug 31, 5:38 PM EDT | Areal Flood Advisory | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 4 hr |
| Aug 31, 5:51 PM EDT | Special Weather Statement | AKQ | Somerset, Wicomico | 24 min |
| Aug 31, 6:15 PM EDT | Areal Flood Advisory | AKQ | Somerset, Wicomico | 2 hr |
| Aug 31, 6:16 PM EDT | Special Weather Statement | AKQ | Somerset | 44 min |
| Aug 31, 6:18 PM EDT | Areal Flood Warning | LWX | Baltimore, Harford | 7 hr |
| Aug 31, 6:37 PM EDT | Flash Flood Warning | LWX | Harford | 3 hr |
| Aug 31, 6:45 PM EDT | Flash Flood Warning | PBZ | Garrett | 67 min |
| Aug 31, 7:13 PM EDT | Special Weather Statement | AKQ | Somerset | 47 min |
| Aug 31, 7:47 PM EDT | Special Weather Statement | AKQ | Worcester | 43 min |
| Aug 31, 7:47 PM EDT | Areal Flood Warning | LWX | Anne Arundel, Baltimore, City of Baltimore | 4 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 | 46 |
| Tornado Warning | 2 |
| Severe Thunderstorm Watch | 1 |
| Mesoscale Discussion | 8 |
| Special Weather Statement | 73 |
| Flooding | |
| Areal Flood Warning | 49 |
| Flash Flood Warning | 9 |
| River Flood Warning | 4 |
| Flash Flood Watch | 10 |
| River Flood Watch | 1 |
| Areal Flood Advisory | 19 |
| Heat | |
| Heat Advisory | 6 |
| Fog and smoke | |
| Dense Fog Advisory | 3 |
| Coast and beach | |
| Coastal Flood Warning | 1 |
| Coastal Flood Advisory | 5 |
| Coastal Flood Statement | 3 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Baltimore County35
- Washington County30
- Allegany County28
- Dorchester County26
- Frederick County26
- Montgomery County26
- Harford County24
- Carroll County23
- Cecil County23
- Queen Anne's County22
- Prince George's County21
- Howard County20
- Kent County20
- Anne Arundel County19
- Worcester County19
- Somerset County19
- Caroline County17
- City of Baltimore17
- Talbot County16
- Charles County15
- Wicomico County15
- Saint Mary's County11
- Garrett County10
- Calvert County9
Nearby
Alerts in force nowTornadoes on recordThe radar archive20172019
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.