The bad news is the region’s rainy has many more months to go. The good news is that November is ending. It’s this one-two punch that shows just how much we need to be ready for all types of hazards that also intersect. Burning fossil fuels has also increased the odds of extreme heat, including the record-smashing heat wave this summer. Climate change has increased the odds and intensity of the heaviest downpours, much like the ones that have hit the Northwest recently. According to the TRMM-based, near-real time, Multi-satellite Precipitation Analysis produced at NASA’s Goddard Space Flight Center, the highest rainfall totals for the period are near 250 millimeters (10 inches, shown in darker red) and occur over Mount Olympus west of Seattle, Washington. La Niña formed this year, which could be a contributing factor.
#PNW RAINFALL TOTALS MAP DRIVER#
Numerous daily rainfall records have also been set across the region.Ī natural climate phenomenon that forms every few years in the tropical Pacific known as La Niña is also another major driver of wetter-than-normal weather in the Pacific Northwest. Seattle has already set the record for its wettest November and the rain on the month’s last day will only pad it further. The totals are ascribed to the year of the January. November through April total precipitation (cm), 1950-94.
At one point, the Trans-Canada Highway was shut down this weekend so authorities could build a dam across it. Pacific Northwest Weather Doppler Radar and Satellite Map Our Cape Weather Doppler radar and satellite will display. The annual precipitation varies primarily with longitude, with precipitation in excess of 2.5m at the coast, > 1m in the inland valleys, >2m in the Cascades, and typically <0.5m to the east of the Cascades. Another major atmospheric river hit the region over the Thanksgiving long weekend and hasn’t let up, with Tuesday’s pulse of rain being the latest in that string of storms.
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