Alert archive / Maryland / 2009
Weather alerts in Maryland, June 2009
158 weather alerts in June 2009, 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 June 2009. Tap one for its archive.
- Alerts
- 158
- Warnings
- 97
- Watches
- 21
- Advisories
- 12
- Busiest day
- June 9, 200939 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 |
|---|---|---|---|---|
| Jun 2, 1:31 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 14 more | 89 min |
| Jun 2, 1:58 PM EDT | Severe Thunderstorm Watch | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 15 more | 6 hr |
| Jun 2, 4:18 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Cecil, Charles and 11 more | 87 min |
| Jun 2, 4:40 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 50 min |
| Jun 2, 4:59 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 51 min |
| Jun 2, 5:30 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 56 min |
| Jun 2, 6:08 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Charles, Saint Mary's | 67 min |
| Jun 2, 6:40 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester | 65 min |
| Jun 2, 6:47 PM EDT | Mesoscale Discussion | SPC | Calvert, Charles, Dorchester, Saint Mary's, Somerset | 58 min |
| Jun 2, 7:00 PM EDT | Severe Thunderstorm Warning | LWX | Saint Mary's | 30 min |
| Jun 2, 7:16 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester, Somerset | 59 min |
| Jun 2, 9:07 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Saint Mary's | 38 min |
| Jun 2, 9:37 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Saint Mary's | 29 min |
| Jun 3, 4:39 AM EDT | Flash Flood Watch | LWX | Anne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 3 more | 20 hr |
| Jun 3, 12:41 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Calvert, Charles, Howard, Montgomery, Prince George's and 2 more | 64 min |
| Jun 3, 1:06 PM EDT | Severe Thunderstorm Watch | SPC | Allegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 17 more | 9 hr |
| Jun 3, 4:34 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Calvert, Caroline, Charles, Dorchester, Howard and 10 more | 86 min |
| Jun 3, 5:46 PM EDT | Severe Thunderstorm Warning | AKQ | Wicomico, Worcester | 44 min |
| Jun 3, 6:01 PM EDT | Severe Thunderstorm Warning | AKQ | Somerset, Wicomico | 44 min |
| Jun 3, 6:05 PM EDT | Severe Thunderstorm Warning | AKQ | Wicomico | 40 min |
| Jun 3, 6:19 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Saint Mary's | 41 min |
| Jun 3, 6:21 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Queen Anne's | 54 min |
| Jun 3, 6:44 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 46 min |
| Jun 3, 7:10 PM EDT | Mesoscale Discussion | SPC | Allegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 17 more | 95 min |
| Jun 3, 7:18 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Montgomery, Prince George's | 42 min |
| Jun 3, 7:33 PM EDT | Flash Flood Warning | LWX | Montgomery | 3 hr |
| Jun 3, 9:21 PM EDT | Flash Flood Warning | LWX | City of Baltimore | 3 hr |
| Jun 3, 10:10 PM EDT | Flash Flood Warning | LWX | Baltimore | 2 hr |
| Jun 4, 4:28 AM EDT | Flood Watch | LWX | Allegany, Anne Arundel, Baltimore, Calvert, Carroll, Charles and 5 more | 38 hr |
| Jun 4, 2:29 PM EDT | Flood Watch | PBZ | 24 hr | |
| Jun 4, 2:54 PM EDT | Flood Watch | PHI | Cecil | 29 hr |
| Jun 5, 9:58 AM EDT | Areal Flood Warning | LWX | Montgomery | 6 hr |
| Jun 5, 1:49 PM EDT | Mesoscale Discussion | SPC | Worcester | 56 min |
| Jun 7, 9:21 PM EDT | Dense Fog Advisory | AKQ | Dorchester, Somerset, Wicomico, Worcester | 11 hr |
| Jun 9, 5:47 AM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 28 min |
| Jun 9, 6:01 AM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 14 more | 59 min |
| Jun 9, 6:02 AM EDT | Severe Thunderstorm Warning | LWX | Montgomery, Prince George's | 43 min |
| Jun 9, 6:51 AM EDT | Severe Thunderstorm Warning | LWX | Charles | 39 min |
| Jun 9, 8:24 AM EDT | Severe Thunderstorm Warning | AKQ | Wicomico | 39 min |
| Jun 9, 1:14 PM EDT | Severe Thunderstorm Warning | PBZ | Garrett | 61 min |
| Jun 9, 1:18 PM EDT | Flash Flood Watch | LWX | Allegany, Baltimore, Carroll, Frederick, Prince George's, Washington and 1 more | 7 hr |
| Jun 9, 1:38 PM EDT | Mesoscale Discussion | SPC | Allegany, Garrett | 97 min |
| Jun 9, 1:49 PM EDT | Flash Flood Watch | PHI | Cecil | 5 hr |
| Jun 9, 2:03 PM EDT | Severe Thunderstorm Warning | PBZ | Garrett | 57 min |
| Jun 9, 2:07 PM EDT | Severe Thunderstorm Watch | SPC | Allegany, Anne Arundel, Baltimore, Calvert, Carroll, Charles and 9 more | 7 hr |
| Jun 9, 2:28 PM EDT | Severe Thunderstorm Warning | LWX | Allegany | 47 min |
| Jun 9, 2:29 PM EDT | Flash Flood Watch | PBZ | 3 hr | |
| Jun 9, 2:44 PM EDT | Severe Thunderstorm Warning | LWX | Allegany, Washington | 46 min |
| Jun 9, 2:52 PM EDT | Severe Thunderstorm Warning | LWX | Allegany | 38 min |
| Jun 9, 3:04 PM EDT | Severe Thunderstorm Warning | LWX | Allegany | 41 min |
| Jun 9, 3:05 PM EDT | Severe Thunderstorm Warning | PBZ | Garrett | 28 min |
| Jun 9, 3:09 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Washington | 51 min |
| Jun 9, 3:14 PM EDT | Tornado Warning | PHI | Cecil | 46 min |
| Jun 9, 3:29 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 61 min |
| Jun 9, 3:43 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 47 min |
| Jun 9, 3:51 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll, Frederick, Washington | 39 min |
| Jun 9, 4:03 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 5 more | 57 min |
| Jun 9, 4:19 PM EDT | Severe Thunderstorm Warning | PHI | Cecil, Kent, Queen Anne's | 56 min |
| Jun 9, 4:26 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll, Frederick, Harford, Howard, Montgomery and 2 more | 49 min |
| Jun 9, 4:39 PM EDT | Severe Thunderstorm Warning | LWX | Harford | 39 min |
| Jun 9, 4:52 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 53 min |
| Jun 9, 4:59 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, Harford, Howard, Montgomery, Prince George's and 1 more | 61 min |
| Jun 9, 5:01 PM EDT | Flash Flood Warning | LWX | Baltimore, City of Baltimore | 119 min |
| Jun 9, 5:13 PM EDT | Flash Flood Warning | LWX | Harford | 2 hr |
| Jun 9, 5:13 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, Calvert, Charles, Howard, Montgomery and 2 more | 62 min |
| Jun 9, 5:13 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 92 min |
| Jun 9, 5:18 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford, Howard, City of Baltimore | 57 min |
| Jun 9, 5:19 PM EDT | Areal Flood Warning | PHI | Cecil | 71 min |
| Jun 9, 5:46 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Charles, Prince George's, Saint Mary's | 59 min |
| Jun 9, 6:15 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester | 60 min |
| Jun 9, 6:17 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Charles, Saint Mary's | 43 min |
| Jun 9, 6:45 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 45 min |
| Jun 9, 7:05 PM EDT | Mesoscale Discussion | SPC | Saint Mary's, Somerset, Wicomico, Worcester | 115 min |
| Jun 10, 1:57 PM EDT | Mesoscale Discussion | SPC | Allegany, Anne Arundel, Baltimore, Carroll, Charles, Frederick and 5 more | 93 min |
| Jun 10, 5:42 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll, Frederick, Harford | 48 min |
| Jun 10, 5:50 PM EDT | Flash Flood Warning | LWX | Montgomery | 3 hr |
| Jun 10, 6:23 PM EDT | Flash Flood Warning | LWX | Carroll | 3 hr |
| Jun 10, 6:25 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Prince George's | 50 min |
| Jun 10, 6:33 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll, Frederick, Howard | 42 min |
| Jun 10, 6:51 PM EDT | Flash Flood Warning | LWX | Prince George's | 3 hr |
| Jun 10, 6:59 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery, Prince George's | 46 min |
| Jun 10, 8:28 PM EDT | Flash Flood Warning | LWX | Baltimore | 2 hr |
| Jun 11, 3:58 AM EDT | Flash Flood Watch | LWX | Allegany, Anne Arundel, Baltimore, Carroll, Charles, Frederick and 3 more | 24 hr |
| Jun 11, 11:51 AM EDT | Mesoscale Discussion | SPC | Allegany, Carroll, Charles, Frederick, Howard, Montgomery and 2 more | 84 min |
| Jun 11, 1:59 PM EDT | Severe Thunderstorm Watch | SPC | Anne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 7 more | 3 hr |
| Jun 11, 5:58 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Queen Anne's, Talbot | 47 min |
| Jun 11, 8:24 PM EDT | Mesoscale Discussion | SPC | Calvert, Charles, Saint Mary's | 66 min |
| Jun 11, 10:01 PM EDT | Mesoscale Discussion | SPC | Baltimore, Caroline, Carroll, Cecil, Harford, Kent and 2 more | 59 min |
| Jun 13, 3:02 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 58 min |
| Jun 13, 4:50 PM EDT | Areal Flood Advisory | PHI | Caroline | 3 hr |
| Jun 13, 4:52 PM EDT | Severe Thunderstorm Warning | PHI | Caroline | 53 min |
| Jun 13, 4:59 PM EDT | Areal Flood Advisory | PHI | Cecil | 4 hr |
| Jun 13, 8:09 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 4 more | 66 min |
| Jun 15, 2:52 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 37 min |
| Jun 16, 4:11 AM EDT | Coastal Flood Advisory | LWX | Anne Arundel, Baltimore, Calvert, Charles, Prince George's, Saint Mary's and 1 more | 3 days |
| Jun 17, 3:26 AM EDT | Coastal Flood Watch | LWX | Anne Arundel, Baltimore, Calvert, Charles, Prince George's, Saint Mary's and 1 more | 12 hr |
| Jun 17, 1:23 PM EDT | Coastal Flood Advisory | PHI | Cecil, Kent, Queen Anne's, Talbot | 19 hr |
| Jun 17, 9:00 PM EDT | Severe Thunderstorm Warning | PBZ | Garrett | 60 min |
| Jun 17, 9:22 PM EDT | Severe Thunderstorm Warning | PBZ | Garrett | 53 min |
| Jun 17, 9:23 PM EDT | Flash Flood Watch | LWX | Allegany, Washington | 7 hr |
| Jun 17, 9:31 PM EDT | Mesoscale Discussion | SPC | Allegany, Garrett | 59 min |
| Jun 17, 9:48 PM EDT | Coastal Flood Advisory | AKQ | Dorchester | 5 hr |
| Jun 17, 9:56 PM EDT | Severe Thunderstorm Watch | SPC | Allegany, Garrett | 3 hr |
| Jun 17, 10:17 PM EDT | Severe Thunderstorm Warning | PBZ | Garrett | 58 min |
| Jun 17, 11:27 PM EDT | Severe Thunderstorm Warning | PBZ | Garrett | 38 min |
| Jun 18, 12:06 AM EDT | Severe Thunderstorm Warning | LWX | Allegany | 39 min |
| Jun 18, 12:20 AM EDT | Areal Flood Warning | PBZ | Garrett | 3 hr |
| Jun 18, 7:26 AM EDT | Flash Flood Warning | LWX | Anne Arundel | 111 min |
| Jun 18, 11:23 AM EDT | Coastal Flood Advisory | AKQ | Dorchester, Somerset, Wicomico | 16 hr |
| Jun 18, 11:40 AM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 11 more | 95 min |
| Jun 18, 11:49 AM EDT | Coastal Flood Statement | AKQ | Worcester | 6 hr |
| Jun 18, 12:08 PM EDT | Coastal Flood Advisory | PHI | Kent, Queen Anne's, Talbot | 4 hr |
| Jun 18, 2:21 PM EDT | Severe Thunderstorm Watch | SPC | Anne Arundel, Calvert, Caroline, Charles, Dorchester, Kent and 7 more | 9 hr |
| Jun 18, 2:26 PM EDT | Coastal Flood Warning | LWX | Anne Arundel, Baltimore, City of Baltimore | 12 hr |
| Jun 18, 2:56 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Saint Mary's | 49 min |
| Jun 18, 3:31 PM EDT | Mesoscale Discussion | SPC | Calvert, Caroline, Charles, Dorchester, Queen Anne's, Saint Mary's and 3 more | 59 min |
| Jun 18, 3:46 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Saint Mary's | 59 min |
| Jun 19, 11:53 AM EDT | Flash Flood Watch | PBZ | 23 hr | |
| Jun 19, 2:11 PM EDT | Coastal Flood Statement | AKQ | Worcester | 7 hr |
| Jun 19, 5:56 PM EDT | Mesoscale Discussion | SPC | Garrett | 64 min |
| Jun 19, 6:28 PM EDT | Severe Thunderstorm Watch | SPC | Allegany, Garrett | 3 hr |
| Jun 20, 3:14 AM EDT | Mesoscale Discussion | SPC | Allegany, Garrett | 91 min |
| Jun 20, 1:55 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Carroll, Charles, Dorchester and 10 more | 95 min |
| Jun 20, 3:05 PM EDT | Tornado Watch | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Cecil, Charles and 10 more | 5 hr |
| Jun 20, 3:24 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Saint Mary's | 53 min |
| Jun 20, 3:34 PM EDT | Tornado Warning | LWX | Harford | 26 min |
| Jun 20, 3:46 PM EDT | Tornado Warning | LWX | Baltimore, Harford | 29 min |
| Jun 20, 3:57 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Queen Anne's, Talbot | 66 min |
| Jun 20, 4:06 PM EDT | Tornado Warning | PHI | Kent, Queen Anne's, Talbot | 32 min |
| Jun 20, 4:23 PM EDT | Severe Thunderstorm Warning | LWX | Harford | 37 min |
| Jun 20, 4:27 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 53 min |
| Jun 20, 5:01 PM EDT | Severe Thunderstorm Warning | PHI | Cecil, Kent, Queen Anne's | 59 min |
| Jun 20, 7:05 PM EDT | Severe Thunderstorm Warning | AKQ | Worcester | 25 min |
| Jun 20, 7:08 PM EDT | Tornado Warning | AKQ | Worcester | 22 min |
| Jun 21, 5:30 AM EDT | Coastal Flood Watch | AKQ | Worcester | 29 hr |
| Jun 21, 3:28 PM EDT | Coastal Flood Advisory | AKQ | Worcester | 7 hr |
| Jun 22, 10:45 AM EDT | Coastal Flood Advisory | AKQ | Worcester | 13 hr |
| Jun 23, 4:35 AM EDT | Coastal Flood Advisory | AKQ | Worcester | 20 hr |
| Jun 24, 3:49 AM EDT | Coastal Flood Advisory | LWX | Anne Arundel, Baltimore, Charles, Prince George's, City of Baltimore | 7 hr |
| Jun 25, 5:36 AM EDT | Coastal Flood Statement | AKQ | Worcester | 63 hr |
| Jun 26, 2:19 PM EDT | Mesoscale Discussion | SPC | Baltimore, Carroll, Cecil, Frederick, Harford, Howard and 4 more | 56 min |
| Jun 26, 2:42 PM EDT | Severe Thunderstorm Watch | SPC | Allegany, Anne Arundel, Baltimore, Caroline, Carroll, Cecil and 10 more | 7 hr |
| Jun 26, 3:30 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Washington | 45 min |
| Jun 26, 4:15 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Frederick, Howard, Montgomery | 45 min |
| Jun 26, 5:01 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Montgomery | 35 min |
| Jun 26, 5:02 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Washington | 43 min |
| Jun 26, 6:01 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Montgomery | 44 min |
| Jun 26, 6:13 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford | 36 min |
| Jun 26, 6:35 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 40 min |
| Jun 26, 7:15 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery, Prince George's | 45 min |
| Jun 26, 7:33 PM EDT | Mesoscale Discussion | SPC | Allegany, Anne Arundel, Baltimore, Caroline, Carroll, Cecil and 10 more | 57 min |
| Jun 26, 7:50 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Calvert, Charles, Prince George's | 40 min |
| Jun 26, 8:40 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Charles, Prince George's, Saint Mary's | 37 min |
| Jun 26, 8:42 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel | 14 min |
| Jun 26, 9:10 PM EDT | Severe Thunderstorm Warning | PHI | Queen Anne's, Talbot | 24 min |
| Jun 26, 9:11 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 49 min |
| Jun 26, 9:11 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 14 more | 64 min |
| Jun 30, 2:31 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 44 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 | 78 |
| Tornado Warning | 5 |
| Severe Thunderstorm Watch | 8 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 25 |
| Flooding | |
| Areal Flood Warning | 3 |
| Flash Flood Warning | 10 |
| Flash Flood Watch | 7 |
| Flood Watch | 3 |
| Areal Flood Advisory | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
| Coast and beach | |
| Coastal Flood Warning | 1 |
| Coastal Flood Watch | 2 |
| Coastal Flood Advisory | 9 |
| Coastal Flood Statement | 3 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Charles County45
- Baltimore County39
- Prince George's County39
- Saint Mary's County35
- Anne Arundel County34
- Montgomery County34
- City of Baltimore34
- Calvert County31
- Frederick County29
- Carroll County28
- Queen Anne's County27
- Cecil County26
- Harford County26
- Howard County26
- Kent County26
- Talbot County23
- Allegany County21
- Washington County21
- Dorchester County20
- Worcester County20
- Caroline County18
- Wicomico County18
- Somerset County16
- Garrett County15
Nearby
Alerts in force nowTornadoes on recordThe radar archive20082010
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.