Alert archive / Maryland / 2020
Weather alerts in Maryland, July 2020
257 weather alerts in July 2020, 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 July 2020. Tap one for its archive.
- Alerts
- 257
- Warnings
- 128
- Watches
- 14
- Advisories
- 39
- Busiest day
- July 22, 202041 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 1, 1:58 AM EDT | Special Weather Statement | AKQ | Dorchester | 62 min |
| Jul 1, 3:06 AM EDT | Special Weather Statement | AKQ | Somerset | 54 min |
| Jul 1, 5:31 AM EDT | Special Weather Statement | AKQ | Dorchester | 59 min |
| Jul 1, 9:47 AM EDT | Special Weather Statement | AKQ | Dorchester | 43 min |
| Jul 1, 12:29 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Saint Mary's | 46 min |
| Jul 1, 1:07 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Saint Mary's | 22 min |
| Jul 1, 1:46 PM EDT | Mesoscale Discussion | SPC | Calvert, Caroline, Charles, Dorchester, Saint Mary's, Somerset and 3 more | 119 min |
| Jul 1, 1:48 PM EDT | Special Weather Statement | PHI | Caroline | 42 min |
| Jul 1, 3:14 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Charles, Prince George's, Saint Mary's | 17 min |
| Jul 1, 3:30 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel | 30 min |
| Jul 1, 3:56 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel | 34 min |
| Jul 1, 4:05 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel | 25 min |
| Jul 1, 4:15 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Prince George's | 26 min |
| Jul 1, 6:03 PM EDT | Special Weather Statement | PHI | Kent | 42 min |
| Jul 1, 7:46 PM EDT | Special Weather Statement | PHI | Caroline | 59 min |
| Jul 2, 3:21 AM EDT | Coastal Flood Advisory | LWX | Anne Arundel | 99 min |
| Jul 4, 3:42 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Prince George's | 33 min |
| Jul 4, 4:08 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Prince George's | 37 min |
| Jul 4, 10:02 PM EDT | Coastal Flood Statement | AKQ | Dorchester | 6 hr |
| Jul 5, 1:49 AM EDT | Coastal Flood Advisory | LWX | Anne Arundel, Baltimore, Harford, Saint Mary's, City of Baltimore | 10 hr |
| Jul 5, 1:50 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 13 more | 115 min |
| Jul 5, 2:14 PM EDT | Severe Thunderstorm Warning | LWX | Harford | 46 min |
| Jul 5, 2:16 PM EDT | Special Weather Statement | PHI | Cecil | 29 min |
| Jul 5, 3:00 PM EDT | Severe Thunderstorm Warning | LWX | Harford | 45 min |
| Jul 5, 3:20 PM EDT | Areal Flood Warning | LWX | Harford | 2 hr |
| Jul 5, 3:23 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford | 52 min |
| Jul 5, 3:51 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, City of Baltimore | 39 min |
| Jul 5, 3:57 PM EDT | Coastal Flood Advisory | AKQ | Dorchester, Somerset, Wicomico | 15 hr |
| Jul 5, 4:24 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, City of Baltimore | 51 min |
| Jul 5, 5:05 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Prince George's | 40 min |
| Jul 5, 5:08 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 23 min |
| Jul 6, 1:50 AM EDT | Coastal Flood Advisory | LWX | Anne Arundel, Saint Mary's | 10 hr |
| Jul 6, 12:33 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 14 more | 3 hr |
| Jul 6, 12:41 PM EDT | Flash Flood Watch | LWX | Anne Arundel, Baltimore, Calvert, Charles, Harford, Howard and 4 more | 15 hr |
| Jul 6, 12:52 PM EDT | Flash Flood Watch | PHI | Cecil | 8 hr |
| Jul 6, 1:38 PM EDT | Severe Thunderstorm Watch | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 15 more | 9 hr |
| Jul 6, 3:59 PM EDT | Coastal Flood Statement | AKQ | Dorchester, Somerset, Wicomico | 14 hr |
| Jul 6, 4:33 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 15 more | 117 min |
| Jul 6, 4:49 PM EDT | Special Weather Statement | PHI | Cecil | 56 min |
| Jul 6, 5:14 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 61 min |
| Jul 6, 5:43 PM EDT | Areal Flood Advisory | PHI | Cecil | 3 hr |
| Jul 6, 5:57 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Prince George's | 48 min |
| Jul 6, 6:04 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 41 min |
| Jul 6, 6:05 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford | 40 min |
| Jul 6, 6:13 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 48 min |
| Jul 6, 6:25 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel | 32 min |
| Jul 6, 6:25 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 14 more | 2 hr |
| Jul 6, 6:28 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 47 min |
| Jul 6, 6:37 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 53 min |
| Jul 6, 6:44 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, City of Baltimore | 46 min |
| Jul 6, 6:48 PM EDT | Areal Flood Advisory | PBZ | Garrett | 117 min |
| Jul 6, 6:50 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Washington | 10 min |
| Jul 6, 6:56 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 21 min |
| Jul 6, 7:03 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's | 42 min |
| Jul 6, 7:04 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Prince George's | 41 min |
| Jul 6, 7:23 PM EDT | Tornado Warning | PHI | Caroline, Kent, Queen Anne's | 19 min |
| Jul 6, 7:41 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's, Talbot | 64 min |
| Jul 6, 7:48 PM EDT | Areal Flood Advisory | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 117 min |
| Jul 6, 8:03 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 27 min |
| Jul 6, 8:20 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester, Wicomico | 40 min |
| Jul 6, 8:21 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Talbot | 39 min |
| Jul 6, 8:26 PM EDT | Flash Flood Warning | LWX | Prince George's | 7 hr |
| Jul 6, 8:39 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 13 more | 2 hr |
| Jul 6, 8:41 PM EDT | Areal Flood Advisory | PHI | Caroline, Talbot | 2 hr |
| Jul 6, 8:44 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Prince George's | 46 min |
| Jul 6, 8:53 PM EDT | Severe Thunderstorm Warning | PHI | Caroline | 37 min |
| Jul 6, 8:58 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester, Somerset, Wicomico, Worcester | 47 min |
| Jul 6, 9:04 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll | 40 min |
| Jul 6, 9:16 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 44 min |
| Jul 6, 9:32 PM EDT | Flash Flood Warning | LWX | Baltimore | 4 hr |
| Jul 6, 9:45 PM EDT | Special Weather Statement | AKQ | Wicomico, Worcester | 45 min |
| Jul 6, 9:49 PM EDT | Flash Flood Warning | LWX | Baltimore | 80 min |
| Jul 6, 10:14 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Charles, Prince George's, Saint Mary's | 46 min |
| Jul 6, 10:29 PM EDT | Special Weather Statement | AKQ | Somerset | 46 min |
| Jul 6, 10:50 PM EDT | Flash Flood Warning | LWX | Calvert, Charles, Prince George's, Saint Mary's | 4 hr |
| Jul 6, 10:52 PM EDT | Areal Flood Advisory | AKQ | Dorchester | 3 hr |
| Jul 6, 10:54 PM EDT | Flash Flood Warning | LWX | Prince George's | 4 hr |
| Jul 6, 10:57 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Charles, Saint Mary's | 34 min |
| Jul 6, 11:17 PM EDT | Special Weather Statement | AKQ | Somerset | 43 min |
| Jul 6, 11:27 PM EDT | Severe Thunderstorm Warning | AKQ | Somerset | 29 min |
| Jul 7, 12:10 AM EDT | Flash Flood Warning | LWX | Calvert, Saint Mary's | 4 hr |
| Jul 7, 2:11 AM EDT | Flash Flood Warning | LWX | Montgomery | 3 hr |
| Jul 7, 2:44 AM EDT | Areal Flood Warning | LWX | Anne Arundel, Calvert, Charles, Prince George's, Saint Mary's | 6 hr |
| Jul 7, 3:32 AM EDT | Areal Flood Warning | LWX | Prince George's | 18 hr |
| Jul 7, 4:06 AM EDT | Areal Flood Warning | LWX | Calvert, Saint Mary's | 6 hr |
| Jul 7, 8:48 AM EDT | Areal Flood Warning | LWX | Calvert, Charles, Prince George's, Saint Mary's | 9 hr |
| Jul 7, 9:27 AM EDT | Special Weather Statement | AKQ | Worcester | 48 min |
| Jul 7, 9:49 AM EDT | Areal Flood Warning | LWX | Saint Mary's | 6 hr |
| Jul 7, 1:17 PM EDT | Special Weather Statement | AKQ | Worcester | 43 min |
| Jul 7, 1:51 PM EDT | Areal Flood Advisory | AKQ | Worcester | 2 hr |
| Jul 7, 4:49 PM EDT | Severe Thunderstorm Warning | LWX | Allegany | 41 min |
| Jul 7, 4:58 PM EDT | Special Weather Statement | CTP | Allegany | 32 min |
| Jul 7, 5:21 PM EDT | Areal Flood Advisory | PHI | Caroline, Talbot | 55 min |
| Jul 7, 5:47 PM EDT | Special Weather Statement | PBZ | Garrett | 28 min |
| Jul 7, 7:36 PM EDT | Areal Flood Warning | LWX | Montgomery | 114 min |
| Jul 7, 9:30 PM EDT | Areal Flood Warning | LWX | Prince George's | 6 hr |
| Jul 8, 3:12 AM EDT | Coastal Flood Advisory | LWX | Anne Arundel, Baltimore, City of Baltimore | 11 hr |
| Jul 8, 5:30 AM EDT | Dense Fog Advisory | LWX | Allegany | 3 hr |
| Jul 9, 5:04 AM EDT | Coastal Flood Advisory | LWX | Anne Arundel | 8 hr |
| Jul 9, 3:00 PM EDT | Flash Flood Watch | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 30 hr |
| Jul 9, 4:07 PM EDT | Flash Flood Watch | AKQ | Dorchester, Somerset, Wicomico, Worcester | 20 hr |
| Jul 9, 4:45 PM EDT | Beach Hazards Statement | AKQ | Worcester | 27 hr |
| Jul 10, 4:28 AM EDT | Special Weather Statement | AKQ | Worcester | 32 min |
| Jul 10, 5:22 AM EDT | Areal Flood Advisory | AKQ | Worcester | 56 min |
| Jul 10, 5:35 AM EDT | Special Weather Statement | AKQ | Worcester | 55 min |
| Jul 10, 6:18 AM EDT | Flash Flood Warning | AKQ | Worcester | 6 hr |
| Jul 10, 6:34 AM EDT | Special Weather Statement | AKQ | Worcester | 56 min |
| Jul 10, 7:11 AM EDT | Areal Flood Advisory | AKQ | Wicomico, Worcester | 3 hr |
| Jul 10, 7:33 AM EDT | Special Weather Statement | AKQ | Worcester | 42 min |
| Jul 10, 8:03 AM EDT | Flash Flood Warning | AKQ | Worcester | 3 hr |
| Jul 10, 9:21 AM EDT | Areal Flood Advisory | PHI | Caroline, Kent, Queen Anne's, Talbot | 8 hr |
| Jul 10, 10:13 AM EDT | Areal Flood Advisory | AKQ | Wicomico | 107 min |
| Jul 10, 10:57 AM EDT | Areal Flood Warning | AKQ | Worcester | 4 hr |
| Jul 10, 11:02 AM EDT | Areal Flood Advisory | PHI | Cecil, Kent | 4 hr |
| Jul 10, 3:25 PM EDT | Areal Flood Advisory | PHI | Cecil | 4 hr |
| Jul 12, 11:15 PM EDT | Special Weather Statement | PHI | Queen Anne's | 45 min |
| Jul 16, 3:17 PM EDT | Severe Thunderstorm Warning | LWX | Allegany | 58 min |
| Jul 16, 3:43 PM EDT | Excessive Heat Watch | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 36 hr |
| Jul 16, 4:43 PM EDT | Severe Thunderstorm Warning | LWX | Allegany | 47 min |
| Jul 16, 5:27 PM EDT | Severe Thunderstorm Warning | LWX | Allegany | 32 min |
| Jul 16, 9:22 PM EDT | Special Weather Statement | PBZ | Garrett | 53 min |
| Jul 16, 9:57 PM EDT | Coastal Flood Advisory | LWX | Anne Arundel, Baltimore, Harford, City of Baltimore | 12 hr |
| Jul 17, 1:22 PM EDT | Coastal Flood Advisory | LWX | Anne Arundel | 83 min |
| Jul 17, 1:47 PM EDT | Mesoscale Discussion | SPC | Charles, Saint Mary's | 118 min |
| Jul 18, 3:55 AM EDT | Excessive Heat Warning | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 64 hr |
| Jul 18, 2:59 PM EDT | Heat Advisory | LWX | Allegany, Anne Arundel, Baltimore, Calvert, Carroll, Charles and 8 more | 29 hr |
| Jul 18, 3:09 PM EDT | Heat Advisory | AKQ | Dorchester, Somerset, Wicomico, Worcester | 30 hr |
| Jul 19, 4:31 AM EDT | Dense Fog Advisory | AKQ | Dorchester, Somerset, Wicomico, Worcester | 3 hr |
| Jul 19, 2:40 PM EDT | Excessive Heat Warning | AKQ | Dorchester, Somerset, Wicomico, Worcester | 30 hr |
| Jul 19, 2:40 PM EDT | Heat Advisory | AKQ | Dorchester, Somerset, Wicomico, Worcester | 30 hr |
| Jul 19, 2:47 PM EDT | Excessive Heat Watch | LWX | Anne Arundel, Baltimore, Calvert, Charles, Harford, Howard and 4 more | 5 hr |
| Jul 19, 2:47 PM EDT | Heat Advisory | LWX | Anne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 7 more | 29 hr |
| Jul 19, 3:00 PM EDT | Special Weather Statement | AKQ | Worcester | 30 min |
| Jul 19, 3:13 PM EDT | Coastal Flood Statement | AKQ | Dorchester | 15 hr |
| Jul 20, 8:34 AM EDT | Excessive Heat Warning | LWX | Calvert, Saint Mary's | 11 hr |
| Jul 20, 6:00 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 45 min |
| Jul 20, 6:53 PM EDT | Special Weather Statement | PHI | Queen Anne's | 52 min |
| Jul 20, 7:57 PM EDT | Heat Advisory | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 48 hr |
| Jul 20, 8:05 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Prince George's | 40 min |
| Jul 20, 8:06 PM EDT | Heat Advisory | LWX | Calvert, Charles, Saint Mary's | 24 hr |
| Jul 20, 8:46 PM EDT | Heat Advisory | AKQ | Dorchester, Somerset, Wicomico, Worcester | 70 hr |
| Jul 21, 2:01 PM EDT | Mesoscale Discussion | SPC | Allegany, Anne Arundel, Baltimore, Carroll, Frederick, Harford and 5 more | 59 min |
| Jul 21, 2:35 PM EDT | Special Weather Statement | AKQ | Worcester | 25 min |
| Jul 21, 4:26 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 37 min |
| Jul 21, 5:16 PM EDT | Severe Thunderstorm Warning | LWX | Allegany | 22 min |
| Jul 21, 7:13 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Prince George's | 47 min |
| Jul 21, 7:20 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 40 min |
| Jul 21, 7:44 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Charles, Prince George's, Saint Mary's | 61 min |
| Jul 21, 7:48 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery, Prince George's | 29 min |
| Jul 21, 7:59 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Howard, Montgomery, Prince George's | 27 min |
| Jul 21, 9:16 PM EDT | Special Weather Statement | PHI | Kent | 29 min |
| Jul 21, 9:25 PM EDT | Special Weather Statement | PHI | Talbot | 35 min |
| Jul 21, 9:30 PM EDT | Special Weather Statement | AKQ | Dorchester | 60 min |
| Jul 21, 9:39 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Talbot | 51 min |
| Jul 21, 9:46 PM EDT | Special Weather Statement | PHI | Kent, Queen Anne's | 29 min |
| Jul 21, 9:53 PM EDT | Special Weather Statement | AKQ | Dorchester | 52 min |
| Jul 21, 10:14 PM EDT | Special Weather Statement | PHI | Caroline | 46 min |
| Jul 21, 10:21 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's | 54 min |
| Jul 21, 11:56 PM EDT | Special Weather Statement | AKQ | Somerset | 49 min |
| Jul 22, 12:07 AM EDT | Heat Advisory | LWX | Allegany, Anne Arundel, Baltimore, Calvert, Carroll, Charles and 8 more | 18 hr |
| Jul 22, 12:29 AM EDT | Special Weather Statement | AKQ | Worcester | 46 min |
| Jul 22, 12:45 AM EDT | Special Weather Statement | AKQ | Worcester | 45 min |
| Jul 22, 10:48 AM EDT | Mesoscale Discussion | SPC | Allegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 18 more | 117 min |
| Jul 22, 11:39 AM EDT | Special Weather Statement | PBZ | Garrett | 36 min |
| Jul 22, 12:01 PM EDT | Severe Thunderstorm Watch | SPC | Allegany, Anne Arundel, Baltimore, Calvert, Carroll, Charles and 8 more | 7 hr |
| Jul 22, 1:36 PM EDT | Flash Flood Watch | LWX | Anne Arundel, Baltimore, Carroll, Charles, Frederick, Harford and 4 more | 4 hr |
| Jul 22, 2:51 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 39 min |
| Jul 22, 2:56 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 64 min |
| Jul 22, 2:57 PM EDT | Severe Thunderstorm Watch | SPC | Caroline, Cecil, Kent, Queen Anne's, Talbot | 7 hr |
| Jul 22, 3:17 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery, Prince George's | 58 min |
| Jul 22, 3:18 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Calvert, Charles, Howard, Kent, Montgomery and 3 more | 87 min |
| Jul 22, 3:31 PM EDT | Flash Flood Warning | LWX | Montgomery, Prince George's | 2 hr |
| Jul 22, 3:40 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 50 min |
| Jul 22, 3:55 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Howard, Montgomery, Prince George's | 50 min |
| Jul 22, 3:56 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford | 49 min |
| Jul 22, 4:01 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 22 min |
| Jul 22, 4:05 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Calvert, Charles, Prince George's | 55 min |
| Jul 22, 4:21 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford, City of Baltimore | 39 min |
| Jul 22, 4:27 PM EDT | Areal Flood Warning | LWX | Baltimore, Harford | 3 hr |
| Jul 22, 4:34 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Charles, Saint Mary's | 56 min |
| Jul 22, 4:38 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 52 min |
| Jul 22, 4:47 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Queen Anne's, Talbot | 43 min |
| Jul 22, 4:52 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford, City of Baltimore | 38 min |
| Jul 22, 4:54 PM EDT | Special Weather Statement | AKQ | Dorchester | 51 min |
| Jul 22, 4:55 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Cecil, Charles and 11 more | 95 min |
| Jul 22, 5:08 PM EDT | Areal Flood Warning | LWX | Baltimore, City of Baltimore | 3 hr |
| Jul 22, 5:12 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester | 63 min |
| Jul 22, 5:13 PM EDT | Severe Thunderstorm Warning | PHI | Cecil, Kent, Queen Anne's | 47 min |
| Jul 22, 5:23 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Queen Anne's, Talbot | 52 min |
| Jul 22, 5:54 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Cecil, Kent, Queen Anne's | 51 min |
| Jul 22, 7:01 PM EDT | Mesoscale Discussion | SPC | Caroline, Cecil, Dorchester, Harford, Kent, Queen Anne's and 4 more | 119 min |
| Jul 23, 2:43 AM EDT | Heat Advisory | LWX | Calvert, Charles, Saint Mary's | 16 hr |
| Jul 23, 3:24 PM EDT | Severe Thunderstorm Warning | LWX | Allegany | 36 min |
| Jul 23, 8:13 PM EDT | Flash Flood Watch | LWX | Montgomery, Prince George's | 4 hr |
| Jul 23, 8:28 PM EDT | Areal Flood Warning | LWX | Prince George's | 5 hr |
| Jul 23, 8:46 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 44 min |
| Jul 23, 9:02 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Prince George's | 25 min |
| Jul 23, 10:14 PM EDT | Areal Flood Warning | LWX | Prince George's | 4 hr |
| Jul 23, 10:18 PM EDT | Special Weather Statement | PHI | Cecil | 27 min |
| Jul 23, 10:26 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 49 min |
| Jul 23, 10:44 PM EDT | Areal Flood Advisory | PHI | Cecil | 2 hr |
| Jul 23, 11:00 PM EDT | Severe Thunderstorm Warning | PHI | Cecil, Kent | 45 min |
| Jul 23, 11:10 PM EDT | Areal Flood Advisory | PHI | Cecil, Kent | 2 hr |
| Jul 24, 12:24 AM EDT | Flash Flood Warning | PHI | Cecil | 114 min |
| Jul 24, 4:27 AM EDT | Special Weather Statement | AKQ | Worcester | 33 min |
| Jul 24, 4:22 PM EDT | Mesoscale Discussion | SPC | Charles | 83 min |
| Jul 24, 4:35 PM EDT | Special Weather Statement | PHI | Cecil | 25 min |
| Jul 24, 6:01 PM EDT | Flash Flood Watch | LWX | Anne Arundel, Baltimore, Harford, Howard, Prince George's, City of Baltimore | 3 hr |
| Jul 24, 6:06 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford, City of Baltimore | 28 min |
| Jul 24, 6:11 PM EDT | Flash Flood Warning | LWX | Baltimore, City of Baltimore | 3 hr |
| Jul 24, 6:19 PM EDT | Areal Flood Warning | LWX | Baltimore, City of Baltimore | 2 hr |
| Jul 24, 6:34 PM EDT | Flash Flood Warning | LWX | Baltimore, City of Baltimore | 2 hr |
| Jul 24, 7:32 PM EDT | Flash Flood Warning | LWX | Baltimore, City of Baltimore | 72 min |
| Jul 24, 9:32 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 28 min |
| Jul 25, 12:05 AM EDT | Special Weather Statement | AKQ | Somerset | 25 min |
| Jul 25, 2:57 PM EDT | Special Weather Statement | AKQ | Worcester | 33 min |
| Jul 26, 3:32 PM EDT | Heat Advisory | AKQ | Dorchester, Somerset, Wicomico, Worcester | 52 hr |
| Jul 27, 3:06 PM EDT | Heat Advisory | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 29 hr |
| Jul 27, 7:31 PM EDT | Heat Advisory | LWX | Calvert, Charles, Saint Mary's | 23 hr |
| Jul 28, 10:34 AM EDT | Flash Flood Watch | LWX | Charles, Montgomery, Prince George's | 9 hr |
| Jul 28, 3:19 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Charles, Dorchester and 8 more | 116 min |
| Jul 28, 5:19 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Charles, Saint Mary's | 41 min |
| Jul 28, 5:57 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Saint Mary's | 37 min |
| Jul 28, 6:15 PM EDT | Special Weather Statement | AKQ | Dorchester | 45 min |
| Jul 28, 6:39 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester | 51 min |
| Jul 28, 6:43 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 29 min |
| Jul 28, 7:28 PM EDT | Special Weather Statement | AKQ | Dorchester, Wicomico | 47 min |
| Jul 28, 7:32 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester, Somerset, Wicomico | 43 min |
| Jul 28, 8:01 PM EDT | Special Weather Statement | AKQ | Somerset | 14 min |
| Jul 28, 8:12 PM EDT | Severe Thunderstorm Warning | AKQ | Somerset, Wicomico, Worcester | 48 min |
| Jul 28, 8:38 PM EDT | Severe Thunderstorm Warning | AKQ | Wicomico, Worcester | 37 min |
| Jul 28, 9:22 PM EDT | Special Weather Statement | AKQ | Somerset | 38 min |
| Jul 28, 9:55 PM EDT | Special Weather Statement | AKQ | Somerset, Worcester | 50 min |
| Jul 30, 12:24 PM EDT | Heat Advisory | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 6 hr |
| Jul 30, 1:06 PM EDT | Heat Advisory | LWX | Anne Arundel, Baltimore, Calvert, Harford, Saint Mary's, City of Baltimore | 6 hr |
| Jul 30, 5:08 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Prince George's, Saint Mary's | 38 min |
| Jul 30, 5:34 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 12 min |
| Jul 30, 6:43 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 47 min |
| Jul 30, 7:14 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Charles, Montgomery, Prince George's, Saint Mary's | 46 min |
| Jul 30, 7:42 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Calvert, Prince George's | 48 min |
| Jul 30, 8:12 PM EDT | Special Weather Statement | PHI | Queen Anne's | 63 min |
| Jul 30, 8:27 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, Howard, Prince George's, City of Baltimore | 48 min |
| Jul 30, 8:29 PM EDT | Special Weather Statement | PHI | Queen Anne's, Talbot | 46 min |
| Jul 30, 8:41 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Queen Anne's | 49 min |
| Jul 30, 9:08 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford, City of Baltimore | 37 min |
| Jul 30, 9:12 PM EDT | Special Weather Statement | PHI | Caroline, Queen Anne's | 48 min |
| Jul 30, 9:28 PM EDT | Special Weather Statement | PHI | Cecil, Kent | 47 min |
| Jul 30, 9:36 PM EDT | Severe Thunderstorm Warning | LWX | Harford | 18 min |
| Jul 30, 9:37 PM EDT | Special Weather Statement | AKQ | Dorchester | 38 min |
| Jul 30, 10:01 PM EDT | Flash Flood Watch | LWX | Anne Arundel, Baltimore, Carroll, Charles, Frederick, Howard and 4 more | 20 hr |
| Jul 30, 10:11 PM EDT | Special Weather Statement | PHI | Cecil | 49 min |
| Jul 30, 10:19 PM EDT | Special Weather Statement | AKQ | Wicomico | 41 min |
| Jul 30, 11:27 PM EDT | Special Weather Statement | AKQ | Somerset, Wicomico | 63 min |
| Jul 31, 7:54 AM EDT | Special Weather Statement | AKQ | Wicomico | 66 min |
| Jul 31, 8:45 AM EDT | Special Weather Statement | AKQ | Somerset | 45 min |
| Jul 31, 10:02 AM EDT | Special Weather Statement | AKQ | Worcester | 43 min |
| Jul 31, 1:04 PM EDT | Mesoscale Discussion | SPC | Calvert, Charles, Dorchester, Saint Mary's, Somerset, Wicomico | 116 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 | 96 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 3 |
| Mesoscale Discussion | 15 |
| Special Weather Statement | 57 |
| Flooding | |
| Areal Flood Warning | 14 |
| Flash Flood Warning | 14 |
| Flash Flood Watch | 9 |
| Areal Flood Advisory | 15 |
| Heat | |
| Excessive Heat Warning | 3 |
| Excessive Heat Watch | 2 |
| Heat Advisory | 14 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
| Coast and beach | |
| Coastal Flood Advisory | 8 |
| Beach Hazards Statement | 1 |
| Coastal Flood Statement | 3 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Prince George's County59
- Charles County47
- Anne Arundel County47
- Saint Mary's County43
- Baltimore County43
- Worcester County41
- Calvert County40
- Cecil County39
- Dorchester County38
- City of Baltimore37
- Caroline County36
- Kent County34
- Queen Anne's County34
- Harford County33
- Somerset County32
- Wicomico County32
- Montgomery County32
- Talbot County29
- Howard County23
- Carroll County15
- Allegany County13
- Frederick County12
- Washington County10
- Garrett County5
Nearby
Alerts in force nowTornadoes on recordThe radar archive20192021
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. Warning verification from the Mesonet's Cow. Rebuilt daily.