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Extreme cold causes numerous water problems around northeast Ohio, freezing Lake Erie - Story

Freezing on Lake Erie caused valves to close, blocking water intake for communities connected to Avon Lake's water system: Medina, Avon, Avon Lake, Sheffield, Sheffield Lake, North Ridgeville, and parts of rural Lorain County.

Can you isolate a volcanic temperature signal in the temperature data? | Hypothesis Testing

The answer appears to be yes, with difficulty.