Alert archive / Maryland / 2012
Weather alerts in Maryland, September 2012
187 weather alerts in September 2012, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in September 2012. Tap one for its archive.
- Alerts
- 187
- Warnings
- 50
- Watches
- 8
- Advisories
- 22
- Busiest day
- September 18, 201257 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 1, 3:54 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 51 min |
| Sep 1, 4:17 PM EDT | Special Weather Statement | LWX | Washington | 58 min |
| Sep 1, 5:21 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Frederick | 39 min |
| Sep 1, 5:53 PM EDT | Special Weather Statement | LWX | Frederick | 52 min |
| Sep 1, 6:13 PM EDT | Flash Flood Warning | LWX | Allegany, Washington | 2 hr |
| Sep 1, 6:42 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, City of Baltimore | 63 min |
| Sep 1, 7:03 PM EDT | Special Weather Statement | CTP | Carroll | 42 min |
| Sep 1, 7:19 PM EDT | Severe Thunderstorm Warning | LWX | Carroll | 9 min |
| Sep 1, 7:29 PM EDT | Special Weather Statement | PHI | Kent, Queen Anne's | 61 min |
| Sep 1, 8:07 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Queen Anne's | 38 min |
| Sep 1, 8:36 PM EDT | Special Weather Statement | LWX | Prince George's | 39 min |
| Sep 1, 8:47 PM EDT | Special Weather Statement | PHI | Caroline, Queen Anne's | 88 min |
| Sep 1, 9:27 PM EDT | Special Weather Statement | PHI | Caroline, Queen Anne's, Talbot | 93 min |
| Sep 1, 9:43 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Calvert, Charles, Prince George's | 46 min |
| Sep 1, 10:31 PM EDT | Special Weather Statement | AKQ | Dorchester | 74 min |
| Sep 1, 10:34 PM EDT | Special Weather Statement | PHI | Caroline, Talbot | 86 min |
| Sep 1, 11:19 PM EDT | Special Weather Statement | AKQ | Dorchester | 41 min |
| Sep 1, 11:44 PM EDT | Special Weather Statement | PHI | Wicomico | 61 min |
| Sep 1, 11:48 PM EDT | Special Weather Statement | AKQ | Dorchester | 27 min |
| Sep 2, 12:12 AM EDT | Special Weather Statement | AKQ | Wicomico | 48 min |
| Sep 2, 1:01 AM EDT | Special Weather Statement | AKQ | Worcester | 59 min |
| Sep 2, 12:40 PM EDT | Areal Flood Advisory | PHI | Cecil | 83 min |
| Sep 2, 2:33 PM EDT | Special Weather Statement | LWX | Saint Mary's | 42 min |
| Sep 2, 2:41 PM EDT | Flash Flood Warning | LWX | Saint Mary's | 3 hr |
| Sep 2, 2:51 PM EDT | Special Weather Statement | AKQ | Dorchester | 54 min |
| Sep 2, 3:10 PM EDT | Special Weather Statement | AKQ | Dorchester, Somerset, Wicomico | 50 min |
| Sep 2, 3:17 PM EDT | Areal Flood Advisory | PHI | Caroline | 118 min |
| Sep 2, 3:39 PM EDT | Areal Flood Advisory | AKQ | Dorchester, Wicomico | 2 hr |
| Sep 2, 3:57 PM EDT | Flash Flood Warning | PHI | Caroline | 2 hr |
| Sep 2, 6:33 PM EDT | Special Weather Statement | PHI | Kent | 117 min |
| Sep 2, 7:08 PM EDT | Flash Flood Warning | LWX | Charles, Saint Mary's | 2 hr |
| Sep 2, 7:25 PM EDT | Special Weather Statement | LWX | City of Baltimore | 35 min |
| Sep 2, 10:09 PM EDT | Special Weather Statement | AKQ | Dorchester, Somerset | 66 min |
| Sep 3, 11:27 AM EDT | Special Weather Statement | PHI | Talbot | 63 min |
| Sep 3, 11:51 AM EDT | Special Weather Statement | PHI | Cecil | 54 min |
| Sep 3, 12:21 PM EDT | Special Weather Statement | AKQ | Somerset | 54 min |
| Sep 3, 1:09 PM EDT | Special Weather Statement | AKQ | Dorchester, Wicomico, Worcester | 66 min |
| Sep 3, 1:42 PM EDT | Special Weather Statement | PHI | Caroline | 93 min |
| Sep 3, 1:48 PM EDT | Areal Flood Advisory | PHI | Cecil, Kent, Queen Anne's | 3 hr |
| Sep 3, 1:53 PM EDT | Areal Flood Advisory | PHI | Cecil, Kent, Queen Anne's | 3 hr |
| Sep 3, 2:39 PM EDT | Special Weather Statement | PHI | Cecil | 66 min |
| Sep 3, 2:44 PM EDT | Areal Flood Advisory | PHI | Cecil | 119 min |
| Sep 3, 4:35 PM EDT | Special Weather Statement | LWX | Baltimore, City of Baltimore | 40 min |
| Sep 3, 4:44 PM EDT | Flash Flood Warning | LWX | Baltimore, City of Baltimore | 113 min |
| Sep 4, 12:13 AM EDT | Areal Flood Advisory | PHI | Cecil | 111 min |
| Sep 4, 12:10 PM EDT | Coastal Flood Statement | AKQ | Worcester | 8 hr |
| Sep 4, 12:15 PM EDT | Areal Flood Warning | PHI | Cecil | 106 min |
| Sep 4, 12:18 PM EDT | Coastal Flood Advisory | LWX | Anne Arundel | 14 hr |
| Sep 4, 1:57 PM EDT | Special Weather Statement | AKQ | Worcester | 63 min |
| Sep 4, 2:35 PM EDT | Special Weather Statement | LWX | Washington | 25 min |
| Sep 4, 3:42 PM EDT | Special Weather Statement | LWX | Prince George's | 33 min |
| Sep 5, 3:16 AM EDT | Rip Current Statement | AKQ | Worcester | 6 days |
| Sep 5, 2:12 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Calvert, Caroline, Charles, Kent, Prince George's and 2 more | 63 min |
| Sep 5, 2:44 PM EDT | Special Weather Statement | PHI | Talbot | 61 min |
| Sep 5, 9:02 PM EDT | Special Weather Statement | AKQ | Wicomico, Worcester | 58 min |
| Sep 5, 9:54 PM EDT | Special Weather Statement | AKQ | Worcester | 51 min |
| Sep 6, 6:29 AM EDT | Special Weather Statement | AKQ | Somerset, Wicomico, Worcester | 46 min |
| Sep 6, 6:48 AM EDT | Areal Flood Advisory | PHI | Caroline | 3 hr |
| Sep 6, 9:24 AM EDT | Areal Flood Advisory | AKQ | Worcester | 3 hr |
| Sep 6, 10:45 AM EDT | Flash Flood Warning | LWX | Calvert, Saint Mary's | 3 hr |
| Sep 6, 11:00 AM EDT | Special Weather Statement | AKQ | Dorchester, Wicomico | 75 min |
| Sep 6, 11:34 AM EDT | Flood Watch | AKQ | Dorchester, Somerset, Wicomico, Worcester | 5 hr |
| Sep 6, 12:27 PM EDT | Areal Flood Advisory | AKQ | Dorchester, Somerset, Wicomico | 3 hr |
| Sep 6, 1:14 PM EDT | Areal Flood Advisory | AKQ | Somerset, Worcester | 3 hr |
| Sep 7, 2:41 PM EDT | Special Weather Statement | CTP | Harford | 34 min |
| Sep 7, 3:06 PM EDT | Special Weather Statement | LWX | Harford | 24 min |
| Sep 7, 3:14 PM EDT | Special Weather Statement | CTP | Harford | 61 min |
| Sep 7, 3:26 PM EDT | Special Weather Statement | LWX | Harford | 34 min |
| Sep 7, 5:04 PM EDT | Special Weather Statement | CTP | Harford | 56 min |
| Sep 7, 7:52 PM EDT | Coastal Flood Advisory | LWX | Anne Arundel, Baltimore, City of Baltimore | 6 hr |
| Sep 8, 5:00 AM EDT | Mesoscale Discussion | SPC | Allegany, Garrett | 60 min |
| Sep 8, 11:38 AM EDT | Mesoscale Discussion | SPC | Allegany, Baltimore, Carroll, Frederick, Howard, Montgomery and 2 more | 97 min |
| Sep 8, 11:52 AM EDT | Special Weather Statement | PBZ | Garrett | 68 min |
| Sep 8, 12:02 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 43 min |
| Sep 8, 12:15 PM EDT | Severe Thunderstorm Watch | SPC | Allegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 13 more | 9 hr |
| Sep 8, 12:22 PM EDT | Special Weather Statement | LWX | Washington | 23 min |
| Sep 8, 12:35 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Washington | 40 min |
| Sep 8, 12:47 PM EDT | Tornado Warning | LWX | Washington | 16 min |
| Sep 8, 1:09 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Frederick, Washington | 66 min |
| Sep 8, 1:48 PM EDT | Severe Thunderstorm Watch | SPC | Dorchester, Somerset, Wicomico, Worcester | 7 hr |
| Sep 8, 2:02 PM EDT | Special Weather Statement | LWX | Baltimore | 58 min |
| Sep 8, 2:10 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll, Frederick, Harford, Howard, Montgomery | 80 min |
| Sep 8, 2:12 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 9 more | 93 min |
| Sep 8, 2:47 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 58 min |
| Sep 8, 3:18 PM EDT | Special Weather Statement | LWX | Anne Arundel, Montgomery, Prince George's | 87 min |
| Sep 8, 3:22 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Charles, Howard, Montgomery, Prince George's | 68 min |
| Sep 8, 3:25 PM EDT | Mesoscale Discussion | SPC | Saint Mary's, Somerset | 65 min |
| Sep 8, 3:27 PM EDT | Special Weather Statement | LWX | Harford | 33 min |
| Sep 8, 3:53 PM EDT | Tornado Warning | LWX | Montgomery, Prince George's | 15 min |
| Sep 8, 3:58 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, Calvert, Charles, Howard, Montgomery and 3 more | 55 min |
| Sep 8, 4:06 PM EDT | Tornado Warning | LWX | Anne Arundel, Prince George's | 39 min |
| Sep 8, 4:07 PM EDT | Special Weather Statement | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 83 min |
| Sep 8, 4:22 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Calvert, Caroline, Cecil, Charles, Dorchester and 6 more | 53 min |
| Sep 8, 4:25 PM EDT | Special Weather Statement | LWX | Kent | 20 min |
| Sep 8, 4:30 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's, Talbot | 60 min |
| Sep 17, 3:51 AM EDT | Coastal Flood Watch | LWX | Anne Arundel, Baltimore, Calvert, Saint Mary's, City of Baltimore | 29 hr |
| Sep 17, 2:54 PM EDT | Wind Advisory | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 30 hr |
| Sep 18, 1:34 AM EDT | Coastal Flood Advisory | LWX | Anne Arundel, Baltimore, Calvert, Charles, Prince George's, Saint Mary's and 1 more | 23 hr |
| Sep 18, 4:13 AM EDT | Coastal Flood Advisory | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 21 hr |
| Sep 18, 8:06 AM EDT | Special Weather Statement | PBZ | Garrett | 54 min |
| Sep 18, 8:49 AM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 8 more | 116 min |
| Sep 18, 9:20 AM EDT | Coastal Flood Warning | LWX | Anne Arundel, Baltimore, City of Baltimore | 15 hr |
| Sep 18, 10:20 AM EDT | Special Weather Statement | LWX | Washington | 40 min |
| Sep 18, 10:54 AM EDT | Tornado Watch | SPC | Anne Arundel, Baltimore, Calvert, Carroll, Charles, Dorchester and 11 more | 9 hr |
| Sep 18, 11:07 AM EDT | Special Weather Statement | LWX | Frederick | 38 min |
| Sep 18, 11:13 AM EDT | Severe Thunderstorm Warning | LWX | Frederick, Washington | 47 min |
| Sep 18, 11:14 AM EDT | Mesoscale Discussion | SPC | Cecil | 91 min |
| Sep 18, 11:19 AM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 13 more | 86 min |
| Sep 18, 11:39 AM EDT | Special Weather Statement | LWX | Carroll, Frederick | 66 min |
| Sep 18, 12:10 PM EDT | Tornado Watch | SPC | Caroline, Cecil, Kent, Queen Anne's, Talbot | 9 hr |
| Sep 18, 12:19 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Frederick | 41 min |
| Sep 18, 12:29 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Washington | 61 min |
| Sep 18, 12:39 PM EDT | Flash Flood Warning | LWX | Carroll, Frederick, Washington | 4 hr |
| Sep 18, 12:59 PM EDT | Flash Flood Warning | LWX | Frederick | 3 hr |
| Sep 18, 1:02 PM EDT | Special Weather Statement | LWX | Saint Mary's | 28 min |
| Sep 18, 1:10 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Frederick | 54 min |
| Sep 18, 1:17 PM EDT | Special Weather Statement | AKQ | Dorchester | 43 min |
| Sep 18, 1:27 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Carroll, Charles, Dorchester and 10 more | 63 min |
| Sep 18, 1:37 PM EDT | Special Weather Statement | LWX | Frederick | 8 min |
| Sep 18, 1:54 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Montgomery | 66 min |
| Sep 18, 1:56 PM EDT | Flash Flood Watch | LWX | Anne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 4 more | 4 hr |
| Sep 18, 1:56 PM EDT | Mesoscale Discussion | SPC | Cecil, Harford | 64 min |
| Sep 18, 1:58 PM EDT | Special Weather Statement | AKQ | Dorchester | 17 min |
| Sep 18, 2:18 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 57 min |
| Sep 18, 2:38 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll, Frederick, Howard, Montgomery | 52 min |
| Sep 18, 2:50 PM EDT | Flash Flood Warning | LWX | Montgomery, Prince George's | 3 hr |
| Sep 18, 3:03 PM EDT | Coastal Flood Advisory | AKQ | Dorchester | 5 hr |
| Sep 18, 3:09 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Montgomery, Prince George's | 66 min |
| Sep 18, 3:10 PM EDT | Special Weather Statement | LWX | Baltimore, Howard, City of Baltimore | 35 min |
| Sep 18, 3:17 PM EDT | Tornado Warning | LWX | Montgomery, Prince George's | 17 min |
| Sep 18, 3:24 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, Carroll, Harford, Howard, Montgomery and 2 more | 66 min |
| Sep 18, 3:25 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Calvert, Charles, Prince George's, Saint Mary's | 65 min |
| Sep 18, 3:28 PM EDT | Flash Flood Warning | LWX | Baltimore, City of Baltimore | 2 hr |
| Sep 18, 3:32 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford | 28 min |
| Sep 18, 3:32 PM EDT | Special Weather Statement | PHI | Cecil, Kent, Queen Anne's, Talbot | 58 min |
| Sep 18, 3:39 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Charles, Saint Mary's | 47 min |
| Sep 18, 3:51 PM EDT | Severe Thunderstorm Warning | PHI | Cecil, Kent, Queen Anne's | 84 min |
| Sep 18, 3:52 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Charles, Dorchester, Howard and 7 more | 113 min |
| Sep 18, 3:53 PM EDT | Areal Flood Warning | LWX | Carroll, Frederick | 20 hr |
| Sep 18, 4:15 PM EDT | Special Weather Statement | LWX | Anne Arundel | 30 min |
| Sep 18, 4:21 PM EDT | Mesoscale Discussion | SPC | Caroline, Cecil | 114 min |
| Sep 18, 4:22 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Calvert | 23 min |
| Sep 18, 4:29 PM EDT | Special Weather Statement | LWX | Saint Mary's | 16 min |
| Sep 18, 4:35 PM EDT | Areal Flood Advisory | PHI | Cecil, Kent | 55 min |
| Sep 18, 4:42 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Queen Anne's, Talbot | 78 min |
| Sep 18, 4:55 PM EDT | Special Weather Statement | LWX | Saint Mary's | 35 min |
| Sep 18, 5:20 PM EDT | Special Weather Statement | AKQ | Dorchester, Somerset, Wicomico, Worcester | 40 min |
| Sep 18, 5:27 PM EDT | Special Weather Statement | LWX | Saint Mary's | 33 min |
| Sep 18, 5:57 PM EDT | Severe Thunderstorm Warning | PHI | Caroline | 78 min |
| Sep 18, 6:05 PM EDT | Special Weather Statement | AKQ | Somerset, Wicomico, Worcester | 40 min |
| Sep 18, 6:15 PM EDT | Mesoscale Discussion | SPC | Somerset, Wicomico, Worcester | 30 min |
| Sep 18, 6:20 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester, Somerset, Wicomico, Worcester | 40 min |
| Sep 18, 6:56 PM EDT | Severe Thunderstorm Warning | AKQ | Somerset, Wicomico, Worcester | 34 min |
| Sep 18, 7:32 PM EDT | Special Weather Statement | AKQ | Worcester | 13 min |
| Sep 19, 5:48 PM EDT | Frost Advisory | PBZ | 15 hr | |
| Sep 22, 6:43 AM EDT | Coastal Flood Advisory | LWX | Anne Arundel, Baltimore, Calvert, City of Baltimore | 7 hr |
| Sep 22, 3:09 PM EDT | Special Weather Statement | LWX | Frederick | 36 min |
| Sep 22, 3:09 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 10 more | 2 hr |
| Sep 22, 3:25 PM EDT | Special Weather Statement | LWX | Carroll | 50 min |
| Sep 22, 4:07 PM EDT | Special Weather Statement | LWX | Carroll | 23 min |
| Sep 22, 4:29 PM EDT | Special Weather Statement | LWX | Frederick | 31 min |
| Sep 22, 4:59 PM EDT | Special Weather Statement | LWX | Harford | 31 min |
| Sep 22, 5:00 PM EDT | Special Weather Statement | LWX | Carroll | 30 min |
| Sep 22, 5:16 PM EDT | Special Weather Statement | LWX | Baltimore | 29 min |
| Sep 22, 5:17 PM EDT | Special Weather Statement | LWX | Montgomery | 28 min |
| Sep 22, 6:05 PM EDT | Special Weather Statement | LWX | Howard, City of Baltimore | 25 min |
| Sep 22, 6:30 PM EDT | Special Weather Statement | PHI | Cecil | 60 min |
| Sep 22, 7:22 PM EDT | Special Weather Statement | PHI | Cecil, Kent | 53 min |
| Sep 22, 10:27 PM EDT | Special Weather Statement | AKQ | Wicomico | 63 min |
| Sep 22, 10:27 PM EDT | Coastal Flood Advisory | LWX | Anne Arundel | 3 hr |
| Sep 23, 3:04 AM EDT | Frost Advisory | PBZ | 30 hr | |
| Sep 26, 11:14 PM EDT | Special Weather Statement | LWX | Prince George's | 31 min |
| Sep 27, 4:42 AM EDT | Special Weather Statement | LWX | Carroll, Howard | 33 min |
| Sep 27, 4:53 AM EDT | Special Weather Statement | PHI | Cecil | 67 min |
| Sep 27, 5:27 AM EDT | Special Weather Statement | LWX | Harford | 33 min |
| Sep 27, 5:41 AM EDT | Special Weather Statement | PHI | Cecil | 79 min |
| Sep 27, 3:18 PM EDT | Mesoscale Discussion | SPC | Baltimore, Carroll, Frederick, Howard, Montgomery, Prince George's and 2 more | 117 min |
| Sep 27, 3:30 PM EDT | Special Weather Statement | LWX | Allegany | 30 min |
| Sep 27, 6:16 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Frederick, Howard, Montgomery, Prince George's, City of Baltimore | 29 min |
| Sep 27, 6:36 PM EDT | Severe Thunderstorm Watch | SPC | Anne Arundel, Calvert, Charles, Howard, Montgomery, Prince George's and 1 more | 5 hr |
| Sep 27, 7:08 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 37 min |
| Sep 27, 7:20 PM EDT | Special Weather Statement | PBZ | Garrett | 40 min |
| Sep 27, 8:57 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Calvert, Charles, Howard, Montgomery, Prince George's and 1 more | 63 min |
| Sep 28, 6:17 PM EDT | Special Weather Statement | AKQ | Dorchester, Somerset | 43 min |
| Sep 28, 10:05 PM EDT | Special Weather Statement | AKQ | Wicomico | 55 min |
| Sep 28, 10:55 PM EDT | Special Weather Statement | AKQ | Somerset, Worcester | 65 min |
| Sep 30, 4:07 PM EDT | Special Weather Statement | LWX | Allegany, Baltimore, Carroll, Frederick, Washington | 23 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 | 33 |
| Tornado Warning | 4 |
| Severe Thunderstorm Watch | 3 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 18 |
| Special Weather Statement | 87 |
| Flooding | |
| Areal Flood Warning | 2 |
| Flash Flood Warning | 10 |
| Flash Flood Watch | 1 |
| Flood Watch | 1 |
| Areal Flood Advisory | 12 |
| Cold | |
| Frost Advisory | 2 |
| Wind and dust | |
| Wind Advisory | 1 |
| Coast and beach | |
| Coastal Flood Warning | 1 |
| Coastal Flood Watch | 1 |
| Coastal Flood Advisory | 7 |
| Coastal Flood Statement | 1 |
| Rip Current Statement | 1 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Anne Arundel County31
- Frederick County30
- Prince George's County30
- Baltimore County29
- Carroll County27
- Cecil County27
- Montgomery County27
- City of Baltimore26
- Saint Mary's County24
- Dorchester County23
- Kent County22
- Calvert County22
- Wicomico County22
- Worcester County22
- Caroline County21
- Howard County21
- Washington County20
- Queen Anne's County20
- Charles County20
- Somerset County20
- Talbot County19
- Harford County18
- Allegany County6
- Garrett County4
Nearby
Alerts in force nowTornadoes on recordThe radar archive20112013
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.