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The Izu archipelago have faced yet another severe impact as tropical cyclone Nakri moved across the region on Monday, following in the footsteps of storm Halong, which hit a week earlier.

Immediate Impact on Hachijojima Island

Local authorities on Hachijojima noted interruptions and destruction to approximately 220 residences after the storm brought 37mm (1.5in) of rain in one hour and gusts of up to 95mph (152km/h). Airport operations were disrupted, infrastructure damaged, and heavy rainfall triggered landslides across the island chain. The typhoon also produced waves as high as 9 meters, leading to hazardous shoreline situations. Near Oiso on the Pacific side, in Kanagawa prefecture, three fishermen were carried off by waves, with one fatality reported.

The Evolution of Nakri

Nakri has since transitioned into an extratropical cyclone, losing strength while traveling east over cooler north Pacific waters, with gusts reducing to around 65mph as of Thursday. Riding the jet stream, its remaining parts are headed to reach British Columbia, Canada, delivering intense precipitation, powerful gusts, and coastal flooding.

Remembering Halong's Impact

Seven days before, Halong had unleashed more than 200mm of rain in three hours, as peak wind speeds hit 122mph. By the late morning of the previous Thursday, rainfall totals reached 349mm, breaking the daily rainfall record. The typhoon’s remnants then crossed the north Pacific and reached Alaska on Sunday, bringing a record-breaking 2-metre storm surge.

Alaska's Severe Damage

The seaside communities Kipnuk and Kwigillingok were the most affected. A single fatality occurred, houses were ruined, and about 1,500 residents were forced into shelters. Alaska experienced one of the largest airlifts in its history to relocate affected individuals. Halong remains among the strongest cyclones the region has experienced. Its quick strengthening was driven by abnormally hot northern Pacific seas, which provided extra heat and moisture.

Twin Disasters in Mexico

At the same time, the country endured a double blow last week as the remnants of Hurricane Priscilla and Tropical Storm Raymond combined, releasing nearly 609mm of precipitation over four days across central and eastern regions. Steered by a dip in the jet stream, both systems hit the same area in quick succession. The initial heavy rains from Priscilla left the ground saturated, worsening floods as Raymond approached. Over 300 localities were affected by landslides and overflowing rivers. By Wednesday, 66 fatalities were verified and 75 individuals are still unaccounted for. Rescue and recovery operations are continuing, with standing water causing health worries in isolated areas.