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2024 Hennepin County All -Jurisdiction Hazard Mitigation Plan <br />Volume 2 — Hazard Inventory <br />Projected changes in the same weather hazards that were shown and discussed previously are shown in <br />GRAPHIC 4.3.1M, along with confidence associated with the projections. Highest scientific confidence is <br />in the continued warming of winter, the continued loss of cold weather extremes, and continued increases <br />in extreme rainfall, leading to occasional unprecedented events. Increases heat waves are projected with <br />high confidence, because of both the increases in humidity already ongoing, and the increases in summer <br />temperature extremes projected unanimously by climate models. With these increases in heat extremes, <br />drought becomes somewhat more likely too, as described above; the severity of drought should increase <br />as summer temperatures do, but it is unclear whether drought frequency will increase. As the century <br />wears on, heavy snow events may continue being more extreme, but they should become less frequent <br />as winter warms even more. Confidence remains moderately low with severe thunderstorms in general, <br />even though seasonality will continue changing. <br />GRAPHIC 4.3.1N combines information known about observed and projected climate trends in <br />Minnesota. <br />GRAPHIC 4.3.11VI Confidence that various common Minnesota weather hazards will be impacted by <br />climate change through 2070. <br />61 <br />