Weather alerts in Maryland, 2012
1,680 weather alerts in 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 2012. Tap one for its archive.
- Alerts
- 1,680
- Warnings
- 489
- Watches
- 111
- Advisories
- 276
- Busiest month
- July346 alerts
- Busiest day
- August 26, 201273 alerts
Over time
By month
The alerts
1,680 alerts are too many to list on one page. Narrow it to a product above, to a month in the chart, or to a county.
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Baltimore County296
- Anne Arundel County258
- Frederick County255
- Carroll County236
- City of Baltimore234
- Washington County230
- Prince George's County228
- Queen Anne's County203
- Allegany County201
- Caroline County198
- Cecil County195
- Kent County187
- Calvert County185
- Saint Mary's County178
- Charles County177
- Talbot County177
- Worcester County173
- Dorchester County172
- Montgomery County164
- Wicomico County158
- Howard County138
- Somerset County132
- Harford County124
- Garrett County83
The busiest days
Days with the most alerts issued, by UTC date.
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.