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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 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…

Significant Weather Blog Sep 24, 2025
Weather Blog: September 24, 2025 6 PM (Tropics)

TROPICAL WEATHER ACTIVITY MAY APPROACH THE WATERS OFF THE U.S. EAST COAST NEXT WEEK Tropical Storm Humberto A couple of tropical systems…

Significant Weather Blog Aug 21, 2025
Weather Blog: August 21, 2025 9 AM (Tropics)

HURRICANE ERIN WILL PASS WELL OFFSHORE OF SOUTHERN NEW ENGLAND BUT STILL BRING HIGH SURF, DANGEROUS RIP CURRENTS, EROSION, AND TROPICAL STORM…

Significant Weather Blog Aug 18, 2025
Weather Blog: August 18, 2025 8 AM (Tropics)

POWERFUL HURRICANE ERIN WILL BRING HIGH SURF AND DANGEROUS RIP CURRENTS TO THE U.S. EAST COAST THIS WEEK Erin Update as of…

Significant Weather Blog Aug 16, 2025
Weather Blog: August 16, 2025 12 PM (Tropics)

ERIN HAS STRENGTHENED INTO A MAJOR HURRICANE AND WILL BRING HIGH SURF AND DANGEROUS RIP CURRENTS TO THE U.S. EAST COAST Erin…

Significant Weather Blog Aug 14, 2025
Weather Blog: August 14, 2025 5 PM (Tropics)

ERIN FORECAST TO BECOME A MAJOR HURRICANE Erin Update Warmer sea surface temperatures and light to moderate vertical wind shear provide an…

Significant Weather Blog Aug 12, 2025
Weather Blog: August 12, 2025 2 PM (Tropics)

NOW IS A GOOD TIME TO REVIEW HURRICANE PREPAREDNESS Hurricane Preparedness Tropical Storm Erin far out in the eastern tropical Atlantic as…