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Climate & Weather

Significant Weather Blog

This blog contains forecast discussions of pending significant weather events prepared by Robert Thompson, retired Meteorologist-in-Charge of the National Weather Service (NWS) Forecast Office in Norton, MA and former Board Chairman and current Board member of the Blue Hill Observatory and Science Center (BHOSC). The discussions are not a substitute for the official forecasts and warnings issued by the NWS Norton Forecast Office. They are intended as a complementary, educational resource for visitors to this web site. The forecast discussions provided here are the opinions of Mr. Thompson, and BHOSC accepts no liability associated with this information.

Significant Weather Blog Mar 22, 2026
Significant Weather Outlook: Sunday, March 22, 2026 3 PM

Significant Weather Weekly Outlook Since the author will likely be away this Monday (March 23), this weekly significant weather outlook is being…

Significant Weather Blog Mar 16, 2026
Significant Weather Outlook: Monday, March 16, 2026 10 AM

Significant Weather Weekly Outlook Main Focus: Risk of Strong Winds and Heavy Rain/Flooding Today and Tonight A strong surface low pressure center…

Significant Weather Blog Mar 13, 2026
Significant Weather Blog: Friday, March 13, 2026 10 AM

Risk of Strong Winds and Heavy Rain/Flooding Monday into Monday Night  A high amplitude sharp upper trough will spawn an associated strong…

Significant Weather Blog Mar 9, 2026
Significant Weather Outlook: Monday, March 9, 2026

Weekly Significant Weather Outlook The big meltdown continues at least for the first half of this week.  From a significant weather perspective,…

Significant Weather Blog Mar 5, 2026
Significant Weather Blog: Thursday, March 5, 2026 10 AM

Wintry Mix Thursday Evening/Night into Friday Morning This looks to be an especially interesting and challenging forecast with a variety of precipitation…

Significant Weather Blog Mar 4, 2026
Significant Weather Blog: Wednesday, March 4, 2026 7 PM

Wintry Mix Thursday Evening/Night into Friday Morning Low level cold air intruding southward from Canada and northern New England will set the…

Significant Weather Blog Mar 2, 2026
Significant Weather Outlook: Monday, March 2, 2026 9 AM

Weekly Significant Weather Outlook Looks like a weather regime change lies ahead for this week as an upper-level ridge of high pressure…

Significant Weather Blog Feb 28, 2026
Significant Weather Blog: Saturday, February 28, 2026 10 AM

Weekly Significant Weather Outlook Update This message provides a brief update to the significant weather outlook issued earlier in the week.  …

Significant Weather Blog Feb 23, 2026
Significant Weather Outlook: Monday, February 23, 2026 3 PM

Weekly Significant Weather Outlook  Will begin this outlook with a few thoughts on the major nor’easter that will wind down this evening…

Significant Weather Blog Feb 22, 2026
Significant Weather Blog: Sunday, February 22, 2026 10 AM

Major Nor’easter Will Bring Heavy Snow, High Winds, and Coastal Erosion/Flooding Late Tonight and Monday Yesterday’s blog remains relevant and appears below…