Alert archive / Massachusetts / Flash Flood Warnings
Flash Flood Warnings in Massachusetts, 2018
37 flash flood warnings 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 warnings reaches back to 1986.
Flash Flood Warnings by county
Each county as a circle sized by its count in 2018. Tap one for its archive.
- Flash Flood Warnings
- 37
- Busiest month
- August17 flash flood warnings
- Busiest day
- July 17, 20188 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 |
|---|---|---|---|---|
| Jan 12, 10:51 AM EST | Flash Flood Warning | ALY | Berkshire | 8 hr |
| Jan 13, 12:44 AM EST | Flash Flood Warning | BOX | Hampden | 3 hr |
| Apr 16, 1:56 PM EDT | Flash Flood Warning | BOX | Middlesex, Worcester | 3 hr |
| Jul 5, 2:55 PM EDT | Flash Flood Warning | BOX | Franklin | 37 min |
| Jul 17, 11:04 AM EDT | Flash Flood Warning | BOX | Franklin, Hampshire | 3 hr |
| Jul 17, 11:12 AM EDT | Flash Flood Warning | ALY | Berkshire | 2 hr |
| Jul 17, 11:46 AM EDT | Flash Flood Warning | BOX | Franklin, Hampden, Hampshire | 3 hr |
| Jul 17, 12:30 PM EDT | Flash Flood Warning | BOX | Franklin, Hampden, Hampshire, Middlesex, Worcester | 2 hr |
| Jul 17, 1:08 PM EDT | Flash Flood Warning | BOX | Essex, Middlesex, Norfolk, Plymouth, Suffolk, Worcester | 112 min |
| Jul 17, 3:10 PM EDT | Flash Flood Warning | BOX | Hampden, Hampshire, Worcester | 2 hr |
| Jul 17, 3:27 PM EDT | Flash Flood Warning | BOX | Worcester | 2 hr |
| Jul 17, 5:20 PM EDT | Flash Flood Warning | BOX | Middlesex, Norfolk, Suffolk | 60 min |
| Jul 25, 11:32 AM EDT | Flash Flood Warning | BOX | Franklin, Hampden, Hampshire | 2 hr |
| Aug 3, 2:38 PM EDT | Flash Flood Warning | ALY | Berkshire | 82 min |
| Aug 3, 4:57 PM EDT | Flash Flood Warning | ALY | Berkshire | 68 min |
| Aug 3, 5:08 PM EDT | Flash Flood Warning | BOX | Franklin, Hampden, Hampshire | 112 min |
| Aug 3, 5:59 PM EDT | Flash Flood Warning | BOX | Franklin, Hampshire, Worcester | 71 min |
| Aug 4, 10:24 AM EDT | Flash Flood Warning | BOX | Middlesex, Norfolk, Worcester | 106 min |
| Aug 4, 11:23 AM EDT | Flash Flood Warning | BOX | Essex, Middlesex, Norfolk, Suffolk | 93 min |
| Aug 4, 11:31 AM EDT | Flash Flood Warning | BOX | Bristol | 3 hr |
| Aug 4, 12:08 PM EDT | Flash Flood Warning | BOX | Bristol, Plymouth | 3 hr |
| Aug 4, 2:17 PM EDT | Flash Flood Warning | BOX | Bristol, Plymouth | 113 min |
| Aug 4, 2:42 PM EDT | Flash Flood Warning | BOX | Bristol, Plymouth | 45 min |
| Aug 4, 8:29 PM EDT | Flash Flood Warning | BOX | Barnstable | 74 min |
| Aug 7, 5:16 PM EDT | Flash Flood Warning | ALY | Berkshire | 2 hr |
| Aug 8, 7:44 PM EDT | Flash Flood Warning | BOX | Middlesex, Worcester | 67 min |
| Aug 12, 10:11 AM EDT | Flash Flood Warning | BOX | Essex, Middlesex | 4 hr |
| Aug 12, 5:03 PM EDT | Flash Flood Warning | BOX | Bristol | 78 min |
| Aug 17, 10:36 PM EDT | Flash Flood Warning | ALY | Berkshire | 118 min |
| Aug 18, 2:22 PM EDT | Flash Flood Warning | BOX | Hampden, Hampshire | 2 hr |
| Sep 18, 8:52 AM EDT | Flash Flood Warning | BOX | Franklin, Hampshire, Middlesex, Worcester | 4 hr |
| Sep 18, 10:17 AM EDT | Flash Flood Warning | BOX | Essex, Middlesex, Norfolk, Suffolk, Worcester | 4 hr |
| Sep 18, 10:58 AM EDT | Flash Flood Warning | BOX | Hampden, Hampshire, Worcester | 4 hr |
| Sep 18, 11:23 AM EDT | Flash Flood Warning | BOX | Bristol, Middlesex, Norfolk, Plymouth, Suffolk, Worcester | 4 hr |
| Sep 18, 1:31 PM EDT | Flash Flood Warning | BOX | Bristol, Plymouth | 4 hr |
| Sep 18, 3:05 PM EDT | Flash Flood Warning | BOX | Barnstable | 115 min |
| Sep 26, 8:55 PM EDT | Flash Flood Warning | ALY | Berkshire | 3 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. Rebuilt daily.