Alert archive / Massachusetts / Flash Flood Warnings
Flash Flood Warnings in Massachusetts, 2011
18 flash flood warnings in 2011. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of flash flood warnings reaches back to 1986.
Flash Flood Warnings by county
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Flash Flood Warnings
- 18
- Busiest month
- August10 flash flood warnings
- Busiest day
- August 28, 20114 flash flood warnings
Over time
By month
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 |
|---|---|---|---|---|
| May 20, 2:18 PM EDT | Flash Flood Warning | ALY | Berkshire | 6 hr |
| May 20, 6:59 PM EDT | Flash Flood Warning | ALY | Berkshire | 3 hr |
| Jun 1, 3:47 PM EDT | Flash Flood Warning | ALY | Berkshire | 81 min |
| Jun 1, 5:17 PM EDT | Flash Flood Warning | BOX | Middlesex, Worcester | 3 hr |
| Jun 1, 5:49 PM EDT | Flash Flood Warning | BOX | Bristol, Middlesex, Norfolk, Worcester | 3 hr |
| Jul 4, 7:13 PM EDT | Flash Flood Warning | BOX | Essex | 59 min |
| Aug 1, 1:41 PM EDT | Flash Flood Warning | BOX | Franklin, Hampshire, Worcester | 3 hr |
| Aug 1, 2:19 PM EDT | Flash Flood Warning | BOX | Hampden, Hampshire, Worcester | 116 min |
| Aug 1, 4:07 PM EDT | Flash Flood Warning | BOX | Franklin, Worcester | 82 min |
| Aug 19, 2:36 PM EDT | Flash Flood Warning | BOX | Franklin | 4 hr |
| Aug 21, 7:47 PM EDT | Flash Flood Warning | ALY | Berkshire | 3 hr |
| Aug 27, 3:15 PM EDT | Flash Flood Warning | BOX | Middlesex, Norfolk, Suffolk, Worcester | 3 hr |
| Aug 28, 4:52 AM EDT | Flash Flood Warning | ALY | Berkshire | 6 hr |
| Aug 28, 12:51 PM EDT | Flash Flood Warning | ALY | Berkshire | 6 hr |
| Aug 28, 1:05 PM EDT | Flash Flood Warning | BOX | Hampden, Hampshire | 3 hr |
| Aug 28, 1:19 PM EDT | Flash Flood Warning | BOX | Franklin, Hampshire | 8 hr |
| Sep 1, 6:01 PM EDT | Flash Flood Warning | BOX | Franklin | 59 min |
| Oct 4, 5:52 AM EDT | Flash Flood Warning | BOX | Essex, Middlesex, Suffolk | 113 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
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.