Alert archive / Massachusetts / Flash Flood Watches
Flash Flood Watches in Massachusetts, 2018
19 flash flood watches in 2018. 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 watches reaches back to 2005.
Flash Flood Watches by county
Each county as a circle sized by its count in 2018. Tap one for its archive.
- Flash Flood Watches
- 19
- Busiest month
- July5 flash flood watches
- Busiest day
- July 17, 20182 flash flood watches
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 |
|---|---|---|---|---|
| Jun 28, 3:53 AM EDT | Flash Flood Watch | BOX | Franklin, Hampden, Hampshire, Middlesex, Worcester | 7 hr |
| Jul 5, 3:30 PM EDT | Flash Flood Watch | BOX | Barnstable, Bristol, Essex, Middlesex, Norfolk, Plymouth and 1 more | 24 hr |
| Jul 17, 3:38 AM EDT | Flash Flood Watch | ALY | Berkshire | 13 hr |
| Jul 17, 4:15 AM EDT | Flash Flood Watch | BOX | Bristol, Essex, Franklin, Hampden, Hampshire, Middlesex and 3 more | 15 hr |
| Jul 23, 9:37 AM EDT | Flash Flood Watch | ALY | Berkshire | 66 hr |
| Jul 25, 9:39 AM EDT | Flash Flood Watch | BOX | Bristol, Essex, Franklin, Hampden, Hampshire, Middlesex and 4 more | 18 hr |
| Aug 2, 3:41 PM EDT | Flash Flood Watch | ALY | Berkshire | 44 hr |
| Aug 3, 2:41 PM EDT | Flash Flood Watch | BOX | Bristol, Essex, Franklin, Hampden, Hampshire, Middlesex and 3 more | 25 hr |
| Aug 8, 12:10 PM EDT | Flash Flood Watch | ALY | Berkshire | 10 hr |
| Aug 10, 3:13 PM EDT | Flash Flood Watch | ALY | Berkshire | 36 hr |
| Aug 10, 3:20 PM EDT | Flash Flood Watch | BOX | Bristol, Essex, Franklin, Hampden, Hampshire, Middlesex and 4 more | 48 hr |
| Sep 12, 3:10 PM EDT | Flash Flood Watch | BOX | Bristol, Norfolk, Plymouth | 16 hr |
| Sep 17, 3:36 AM EDT | Flash Flood Watch | BOX | Bristol, Essex, Franklin, Hampden, Hampshire, Middlesex and 4 more | 39 hr |
| Sep 17, 4:18 AM EDT | Flash Flood Watch | ALY | Berkshire | 33 hr |
| Sep 27, 3:30 PM EDT | Flash Flood Watch | BOX | Barnstable, Bristol, Essex, Hampden, Middlesex, Norfolk and 3 more | 21 hr |
| Oct 10, 2:42 PM EDT | Flash Flood Watch | BOX | Barnstable, Bristol, Dukes, Essex, Franklin, Hampden and 7 more | 47 hr |
| Oct 10, 3:26 PM EDT | Flash Flood Watch | ALY | Berkshire | 29 hr |
| Oct 26, 2:30 PM EDT | Flash Flood Watch | BOX | Barnstable, Bristol, Dukes, Nantucket, Norfolk, Plymouth | 28 hr |
| Nov 3, 2:46 AM EDT | Flash Flood Watch | BOX | Essex, Franklin, Hampden, Hampshire, Middlesex, Worcester | 7 hr |
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 archive20172019
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.