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Sunday, 16 February 2020

Storm Dennis Bomb Cyclone Update: Record wind gust of 255.6 km/h (159 mph) hit Iceland: Met office issue 'Danger to life' warning: 2nd most intense storm in the North Atlantic ever: All-time-lowest pressure on record for a North Atlantic storm?

Aberystwyth Promenade has been battered with waves. Photo Credit Scott Waby

Record wind gusts of 255 km/h have been recorded in Iceland yesterday.
Hurricane winds of 255 km/h have been recorded by weather stations in Iceland. The weather station Hafnarfjall reported an incredible wind gust of 255.6 km/h (159 mph). Hafnarfjall is located around 40 km north of the capital Reykjavik. Novinite
Waves are seen crashing against the harbour wall in Porthcawl, Wales yesterday. Photo Credit Getty Images

The Met Office has issued a red weather warning for prolonged periods of heavy rain in south Wales on Sunday until 11:00 GMT. The alert means there is a "danger to life." to towns along the Wales West Coast.

Two people have drowned as Storm Dennis is set to bring more chaos TODAY with 70mph winds and further flood misery as hundreds of flights are cancelled. Storm Dennis set to bring 70mph winds as amber warnings still remain in place Teenager aged 18 has died after getting into difficulty in the sea off Kent Another man who fell overboard from a fuel tanker near Margate Harbour died. The Army has been drafted into towns still reeling from last week's Storm Ciara.

Families jetting off on February half-term breaks were left stranded as the 1,200-mile wide ‘bomb cyclone’ battered Britain. In dozens of towns still reeling from the devastation wrought by last week’s Storm Ciara, the Army was drafted in to bolster flood defences. Mail Online

Bomb Cyclone Storm Dennis Now Rivals the Most Intense North Atlantic Storms on Record

The powerful cyclone is combining forces with another intense storm currently that has pounded Iceland and Greenland, bringing extreme waves and hurricane-force winds. This storm is battering northwestern Europe at this moment, just days after Storm Ciara pounded several countries with high winds and torrential rain and killed at least eight people. Right now, Storm Dennis, named by the U.K. Met Office, has rapidly intensified over the North Atlantic Ocean and is located between the U.K, and Iceland. It is the second most intense winter storm in the North Atlantic since records began more than 150 years ago. Already, the United Kingdom has received wind gusts as high as 87 mph and several inches of rain. Weather Channel

Chart Gary Walton Map Earthwindmap

So far, Storm Dennis' central pressure has dropped to 920 MB, (see chart above), according to NOAA's Ocean Prediction Center. The lower the pressure, the more intense the storm, increasing the likelihood of strong winds. Some forecast models show an extreme solution, with the storm's pressure dropping into the 910s. Dennis already ranks #2 in the list of the most intense North Atlantic storms on record, according to Weather Underground weather historian Christopher Burt and British weather historian Stephen Burt. The all-time-lowest pressure on record for a North Atlantic storm is 913 millibars set in January 1993 near Scotland's Shetland Islands. This historic storm broke apart the super oil tanker Braer on a rocky shoal in the Shetland Islands, causing a massive oil spill, Burt noted. The table below lists some notable examples of very intense North Atlantic storms in terms of lowest sea-level pressure. Weather News


Extreme Weather 2020

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