Alert archive / Maryland / 2009
Weather alerts in Maryland, September 2009
36 weather alerts in September 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 September 2009. Tap one for its archive.
- Alerts
- 36
- Warnings
- 1
- Watches
- 0
- Advisories
- 22
- Busiest day
- September 11, 20095 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, 4:41 PM EDT | Coastal Flood Statement | AKQ | Worcester | 27 hr |
| Sep 2, 10:32 PM EDT | Coastal Flood Statement | AKQ | Worcester | 21 hr |
| Sep 3, 8:12 PM EDT | Coastal Flood Statement | AKQ | Worcester | 24 hr |
| Sep 4, 8:04 PM EDT | Coastal Flood Statement | AKQ | Worcester | 24 hr |
| Sep 5, 8:31 PM EDT | Coastal Flood Statement | AKQ | Worcester | 47 hr |
| Sep 7, 5:50 PM EDT | Coastal Flood Advisory | LWX | Anne Arundel | 3 hr |
| Sep 7, 8:10 PM EDT | Coastal Flood Statement | AKQ | Worcester | 20 hr |
| Sep 8, 11:19 AM EDT | Coastal Flood Advisory | LWX | Anne Arundel, Baltimore, Calvert, Charles, Prince George's, Saint Mary's and 1 more | 17 hr |
| Sep 8, 4:23 PM EDT | Coastal Flood Advisory | AKQ | Worcester | 58 hr |
| Sep 9, 4:27 PM EDT | High Surf Advisory | AKQ | Worcester | 34 hr |
| Sep 10, 4:36 AM EDT | Coastal Flood Advisory | LWX | Anne Arundel, Baltimore, Calvert, Charles, Prince George's, Saint Mary's and 1 more | 21 hr |
| Sep 10, 10:41 AM EDT | Wind Advisory | AKQ | Worcester | 9 hr |
| Sep 10, 11:01 AM EDT | Coastal Flood Statement | AKQ | Worcester | 57 hr |
| Sep 10, 9:26 PM EDT | Areal Flood Advisory | AKQ | Somerset, Wicomico, Worcester | 109 min |
| Sep 11, 2:12 AM EDT | High Surf Advisory | AKQ | Worcester | 8 hr |
| Sep 11, 10:55 AM EDT | Areal Flood Advisory | PHI | Cecil, Kent | 3 hr |
| Sep 11, 4:39 PM EDT | Areal Flood Warning | LWX | Baltimore, Harford | 4 hr |
| Sep 11, 5:17 PM EDT | Areal Flood Advisory | PHI | Cecil | 3 hr |
| Sep 16, 2:39 AM EDT | Coastal Flood Advisory | AKQ | Worcester | 42 hr |
| Sep 16, 3:17 PM EDT | Coastal Flood Advisory | LWX | Anne Arundel, Baltimore, Calvert, Saint Mary's, City of Baltimore | 18 hr |
| Sep 17, 2:16 PM EDT | Coastal Flood Advisory | LWX | Anne Arundel, Baltimore, Calvert, Charles, Prince George's, Saint Mary's and 1 more | 32 hr |
| Sep 17, 9:02 PM EDT | Coastal Flood Statement | AKQ | Worcester | 47 hr |
| Sep 18, 2:00 PM EDT | Coastal Flood Advisory | PHI | Kent, Queen Anne's, Talbot | 8 hr |
| Sep 19, 10:30 PM EDT | Coastal Flood Statement | AKQ | Worcester | 70 hr |
| Sep 22, 9:06 PM EDT | Coastal Flood Statement | AKQ | Worcester | 23 hr |
| Sep 24, 5:13 PM EDT | Coastal Flood Statement | AKQ | Worcester | 25 hr |
| Sep 25, 6:35 PM EDT | Coastal Flood Statement | AKQ | Worcester | 25 hr |
| Sep 26, 3:58 PM EDT | Coastal Flood Advisory | LWX | Anne Arundel, Baltimore, Calvert, Charles, Prince George's, Saint Mary's and 1 more | 12 hr |
| Sep 26, 4:36 PM EDT | Coastal Flood Advisory | AKQ | Dorchester, Somerset, Wicomico | 11 hr |
| Sep 26, 7:55 PM EDT | Coastal Flood Advisory | PHI | Cecil, Kent, Queen Anne's, Talbot | 8 hr |
| Sep 26, 8:00 PM EDT | Coastal Flood Statement | AKQ | Worcester | 24 hr |
| Sep 27, 4:09 AM EDT | Coastal Flood Advisory | LWX | Anne Arundel, Baltimore, Calvert, Charles, Prince George's, Saint Mary's and 1 more | 13 hr |
| Sep 27, 7:45 AM EDT | Coastal Flood Advisory | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 9 hr |
| Sep 27, 3:06 PM EDT | Wind Advisory | PBZ | 28 hr | |
| Sep 30, 3:45 AM EDT | Frost Advisory | LWX | Allegany | 29 hr |
| Sep 30, 3:27 PM EDT | Frost Advisory | PBZ | 18 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Flooding | |
| Areal Flood Warning | 1 |
| Areal Flood Advisory | 3 |
| Cold | |
| Frost Advisory | 2 |
| Wind and dust | |
| Wind Advisory | 2 |
| Coast and beach | |
| Coastal Flood Advisory | 13 |
| High Surf Advisory | 2 |
| Coastal Flood Statement | 13 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Worcester County19
- Anne Arundel County7
- Baltimore County7
- Calvert County6
- Saint Mary's County6
- City of Baltimore6
- Charles County5
- Prince George's County5
- Cecil County4
- Kent County4
- Queen Anne's County3
- Talbot County3
- Somerset County2
- Wicomico County2
- Harford County1
- Dorchester County1
- Caroline County1
- Allegany County1
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.