Alert archive / Massachusetts

Heat Advisories in Massachusetts

135 heat advisories since 1986. 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 heat advisories reaches back to 2005.

Heat Advisories by county

Each county as a circle sized by its count since 1986. Tap one for its archive.

Heat Advisories
135
Busiest year
201818 heat advisories
Average year
7over 20 years on file

Over time

By year

Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.

By month of the year

By county

Every county with at least one alert. A county page lists each alert that covered it.

The latest heat advisories

The most recent on file, newest first.

IssuedProductOfficeCountiesLasted
Aug 5, 1:25 PM EDTHeat AdvisoryBOXBristol, Essex, Franklin, Hampden, Hampshire, Middlesex and 4 more55 hr
Jul 13, 2:37 AM EDTHeat AdvisoryBOXBristol, Essex, Franklin, Hampden, Hampshire, Middlesex and 4 more57 hr
Jul 13, 2:21 AM EDTHeat AdvisoryALYBerkshire58 hr
Jun 30, 1:25 PM EDTHeat AdvisoryBOXBarnstable, Bristol, Dukes, Essex, Franklin, Hampden and 6 more4 days
Jun 30, 12:31 PM EDTHeat AdvisoryALYBerkshire3 days
Jun 10, 1:47 AM EDTHeat AdvisoryALYBerkshire66 hr
Jun 10, 1:47 AM EDTHeat AdvisoryALYBerkshire42 hr
Jun 10, 1:21 AM EDTHeat AdvisoryBOXBristol, Essex, Franklin, Hampden, Hampshire, Middlesex and 3 more67 hr
May 18, 12:57 PM EDTHeat AdvisoryBOXBristol, Essex, Franklin, Hampden, Hampshire, Middlesex and 4 more54 hr

Nearby

Alerts in force nowTornadoes on recordThe radar archive

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.