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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 Oct 19, 2025
Significant Weather Blog: Sunday, October 19, 2025 7 PM

HEAVY DOWNPOURS AND STRONG WIND GUSTS MONDAY MORNING A fast moving but strong cold front will produce heavy downpours and strong wind…

Significant Weather Blog Oct 14, 2025
Significant Weather Blog: Tuesday, October 14, 2025 10 AM

 NOR’EASTER RECAP AND WEEKLY OUTLOOK Coastal Storm Recap The coastal storm stalled off the mid-Atlantic coast will finally begin to move eastward…

Significant Weather Blog Oct 12, 2025
Significant Weather Blog: Sunday, October 12, 2025 4 PM

SIGNIFICANT BEACH EROSION THROUGH MONDAY ALONG OCEAN FACING SHORELINES OF CAPE COD AND THE ISLANDS Coastal Storm Overview The coastal storm was…

Significant Weather Blog Oct 10, 2025
Significant Weather Blog: Friday, October 10, 2025 7 PM

SOME COASTAL FLOODING AND BEACH EROSION LIKELY ALONG PORTIONS OF THE SOUTHERN NEW ENGLAND COAST SUNDAY AND MONDAY ESPECIALLY CAPE AND ISLANDS…

Significant Weather Blog Oct 9, 2025
Significant Weather Blog: Thursday, October 9, 2025 6 PM

WIDESPREAD FROST/FREEZE TONIGHT RISK OF COASTAL FLOODING AND BEACH EROSION ALONG PORTIONS OF THE MASSACHUSETTS COAST SUNDAY AND ESPECIALLY MONDAY Freeze/Frost Tonight…

Significant Weather Blog Oct 8, 2025
Significant Weather Blog: Wednesday, October 8, 2025 6 PM

FREEZING TEMPERATURES LIKELY ACROSS MOST OF INTERIOR SOUTHERN NEW ENGLAND LATE THURSDAY NIGHT AND EARLY FRIDAY MORNING RISK OF COASTAL FLOODING AND…

Significant Weather Blog Oct 6, 2025
Significant Weather Outlook: Monday, October 6, 2025 10 AM

Weekly Significant Weather Discussion A significant weather blog may be started late this coming week due to a possible slow moving coastal…

Significant Weather Blog Sep 28, 2025
Weather Blog: September 28, 2025 4 PM (Tropics)

REDUCED THREAT OF MAJOR IMPACTS FROM IMELDA FOR THE U.S.  Tropical Depression Nine has strengthened into a tropical storm, named Imelda.  It…

Significant Weather Blog Sep 27, 2025
Weather Blog: September 27 2025 12 PM (Tropics)

RISK OF FLOODING RAINS OVER PORTIONS OF THE SOUTHEAST U.S. A developing tropical cyclone over the Bahamas will likely move close enough…

Significant Weather Blog Sep 26, 2025
Weather Blog: September 26 2025 4 PM (Tropics)

WHAT MIGHT BECOME IMELDA COULD POSE A RISK TO THE SOUTHEAST UNITED STATES  A tropical wave (currently identified as Invest 94L) approaching…