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16 Nov, 4 tweets, 3 min read
5 years in a row of category 5 hurricanes. This has not happened in recorded history going back to 1851.

#Iota is about to make landfall as a powerful category 5 storm. Nicaragua and Honduras can't take another major hurricane. It was only 2 weeks since category 4 #Eta.
The track of #Eta overlaid projected landfall of #Iota is insane. Two major hurricanes within a fortnight in November. Eta struck Nicaragua on 3 November.

Check out this comparison by @WeatherProf.

Heartbreaking.

Here are some of the beasts from the last 5 years.

"Iota is expected to remain a catastrophic category 5 hurricane when it approaches the coast of Nicaragua tonight".

Keep up with the latest @NHC_Atlantic

Link to Key messages: nhc.noaa.gov/graphics_at1.s…

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More from @ScottDuncanWX

Scott Duncan Profile picture
14 Nov
This is just cruel.

#Iota is the 30th named Tropical Storm and is expected to become a major Hurricane by early next week

Iota is heading for Central America, likely to hit communities still trying to recover from Hurricane Eta which struck only a few days ago.

THREAD
#Iota is the 30th named storm of this record breaking hurricane season. Winds will be violent but attention quickly turns to flooding potential, again.

Major landfall is looking likely early next week. Honduras 🇭🇳and Nicaragua 🇳🇮 in the immediate firing line.
The track of hurricane #Eta is first image and latest forecast for #Iota from @NHC_Atlantic is the second image.

It is important to note that there is still track and intensity uncertainty and it is crucial to follow official forecasts at nhc.noaa.gov ImageImage
Read 4 tweets
Scott Duncan Profile picture
5 Nov
It's like the planet has a fever.

October 2020 helps show the impacts of a changing climate. The Arctic did not freeze due to warmth stored in vast areas of open water - this was a record breaking month for lack of ice.

The air temperature was extremely high compared to normal.
The minimum ice extent did not beat the all time low record in September.

But we did drop all time record low levels through parts of October. Siberian seas suffered the heaviest lack of ice. Image
You can see how much warmer than normal the sea surfaces were through October here.

A baking hot summer and serious lack of ice meant that the refreeze struggled.

The weather pattern also meant that records were achievable more easily.
Read 7 tweets
Scott Duncan Profile picture
1 Nov
Extremely violent thunderstorm in Brisbane, Australia 🇦🇺 delivered enormous #hailstones.

Catastrophic damage costing over $50 million.

Short thread...

This is insane. From Brisbane 🇦🇺

One of the worst #hail storms this decade.

Some aerial footage of the damage.

While extremely dangerous, this is a nightmare for insurance.

#brisbane #hail

Read 5 tweets
Scott Duncan Profile picture
1 Nov
This is the sound of one of the strongest storms ever witnessed on Planet Earth.

This is super typhoon #RollyPH
(#Goni) striking Albay, Philippines 🇵🇭 a few hours ago.

A historic event.

Super typhoon #RollyPH /#Goni moving over land near Ligao, Albay (Philippines) 🇵🇭

Video: Eric Lozada

#RollyPH

The winds of #RollyPH are destructive but the flood waters can often be underestimated. Polangui, Albay. Magurang area, Philippines 🇵🇭 at around 10am local time.

Video: Lea Salalima

Read 5 tweets
Scott Duncan Profile picture
31 Oct
⚠️ Destruction in the Phillippines 🇵🇭 is inevitable with catastrophic landfall expected in the next 24 hours ⚠️

Super #Typhoon Goni is the strongest storm on the planet right now.

The centre of the storm will pass almost directly over the capital, Manila.
Category 5 hurricane equivalent as #Goni approaches.

Wave height reports of 60 feet (18 m) right now offshore.
Official warning tracks and graphics are here: metoc.navy.mil/jtwc/jtwc.html
Read 5 tweets
Scott Duncan Profile picture
30 Oct
While large parts of the Arctic remain ice free, temperatures remain extremely high compared to normal for this time of year.

Temperature is unable to drop much below freezing where open water remains. In the past, ice cover would allow temperatures to be more like -25 °C.
We are observing the vicious loop which amplifies climate change in the Arctic.

Warmer Arctic = more ice melt = more open water = more energy absorbed from sun in summer = warmer water = more ice melt = more open water...
More on the Arctic sea ice trends in a thread here 👇

Read 4 tweets

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