CSSL Weather Intelligence Update (v2026.10.27): New Historical Data, Mobile Updates, and Ensemble Models
By
Connell Miller ,Northern Mesonet Project , October 27, 2026
The latest CSSL Weather Intelligence release adds ensemble forecasting with the NBM and REFS, new models including European and Arctic-focused guidance, a revamped mobile view, and weather station data back to 1950. Read on for the full list of changes and how to sign up as a free beta tester.
CSSL Weather Intelligence: Down for Maintenance
By
Connell Miller ,Northern Mesonet Project , September 02, 2026CSSL Weather Intelligence will be temporarily unavailable from Wednesday, September 2 at 10:30 PM EDT until Thursday, September 3 at 9:00 AM EDT due to a scheduled power outage at Western University. The outage will affect access to the CSSL Weather Intelligence platform during this period. Service is expected to resume by 9:00 AM EDT on Thursday. We apologize for the inconvenience.
Introducing CSSL Weather Intelligence
By
Connell Miller ,Northern Mesonet Project , August 26, 2026CSSL Weather Intelligence brings together weather observations, numerical weather prediction models, severe weather information, and historical event data in a single interactive platform. The new platform represents a major expansion of the Canadian Mesonet Portal, with new data sources, analysis tools, visualization capabilities, and ways to explore weather across Canada and beyond.
Canadian Mesonet Portal Update (v2026.05.14): Severe Storm Summaries, Mobile Version, and UI Updates!
By
Connell Miller ,Northern Mesonet Project , May 14, 2026
This update to the Canadian Mesonet Portal introduces severe storm summaries, which is a a new Pro feature in the Canadian Mesonet Portal designed to make post-event severe weather analysis faster and easier. It also introduces a refreshed mobile version, along with many UI updates!
