December 23, 2024

Severe Flooding in the Pacific Northwest: Torrential Rain Spurs Deadly Floods and Mudslides

On November 14, the airport gauge in Hope, British Columbia, collected 17.4 centimeters (6.8 inches) of rain. Vancouver measured 5.3 centimeters (2 inches) that day. Both cities set brand-new day-to-day records. The airport in Bellingham, Washington, reported 7 centimeters (2.8 inches), the fifth-wettest day on record. Practically 2 more inches fell the following day, breaking the citys two-day rains record.
The rainstorm was the current in a parade of storm systems that have actually walloped the Pacific Northwest in recent months. Parts of the Pacific Northwest have endured an extraordinarily damp autumn, inching towards the seasonal record. With soils currently saturated, the torrential rain from the latest atmospheric river postured an even greater threat for flooding and mudslides.
November 16, 2021
From Lynden to Ferndale to the mouth of the river at Bellingham Bay, floodwaters swamped areas, businesses, and farmland. In Whatcom County, 500 individuals left their houses.
Devastation from the rain extended well north of this image. On November 17, federal government officials stated a state of emergency situation in British Columbia.
NASA Earth Observatory images by Lauren Dauphin and Joshua Stevens, utilizing IMERG information from the Global Precipitation Mission (GPM) at NASA/GSFC and modified Copernicus Sentinel data (2021) processed by the European Space Agency.

The map above depicts a satellite-based estimate of rains over the 24-hour duration on November 14– a day that broke numerous records. The airport in Bellingham, Washington, reported 7 centimeters (2.8 inches), the fifth-wettest day on record. Practically 2 more inches fell the following day, breaking the citys two-day rains record.
With soils currently filled, the torrential rain from the latest atmospheric river posed an even greater risk for flooding and mudslides.
On November 17, federal government officials declared a state of emergency situation in British Columbia.

November 14, 2021
Downpour in southern British Columbia and western Washington spurred deadly floods and mudslides that have actually harmed facilities and isolated communities.
Downpour in the Pacific Northwest stimulated fatal floods and mudslides that have damaged infrastructure and separated neighborhoods in Canada and the United States. Much of the rain fell from November 13-15, 2021, the product of a potent atmospheric river that took goal at the region and included more wetness to currently saturated soils.
The map above depicts a satellite-based quote of rains over the 24-hour period on November 14– a day that broke numerous records. The darkest reds reflect the highest rains quantities, with some places getting as much as 10 centimeters (4 inches) or more throughout this duration (the top of our scale).