Storm a-brewin’ (Gonzalo)

B0JBa6OIQAA8dKQLike most places, weather is often the topic of conversation in Newfoundland. And never more than when a storm is barreling at us. Gonzalo, which as I write is currently a Category 4 hurricane bearing down on Bermuda ~2000 km SSW of us, is the talk of the town this week.

Forecast track of Hurricane Gonzalo (as of this morning, Fri Oct 17).

Forecast track of Hurricane Gonzalo (as of this morning, Fri Oct 17).

Hurricane Gonzalo is the largest hurricane this season, and the first to reach Category 4 status since 2011 (Ophelia). It is a monster that is forecast to continue churning NNE, with most models predicting it will weaken to a Category 1 hurricane or tropical storm before passing just SE of Cape Race early Sunday morning. That track will likely spare us the worst of the damaging winds (which are east of the eye), but we can still expect substantial rain. With memories of the damage caused by Hurricane Igor still fresh in most people’s minds, many people in eastern Newfoundland are feeling a little trepidation. Igor took an eerily similar path as Gonzalo is predicted to make, making landfall near Cape Race on September 21, 2010. At least one model is still holding out on a more westerly path, taking the eye of Gonzalo over land, as well. (Fortunately, some meteorological difference between these two storms suggest that Gonzalo may not pack the same destructive punch as Igor even if it does make landfall.)

According the the National Hurricane Centre (NHC), there is currently a 20-40% chance of tropical storm-force winds over the Avalon Peninsula on Sunday morning. Combined with heavy rain, we could be in for some nasty weather!

According the the National Hurricane Centre (NHC), there is currently a 20-40% chance of tropical storm-force winds over the Avalon Peninsula on Sunday morning. Combined with heavy rain, we could be in for some nasty weather!

220px-Igor_2010_track

The track taken by Hurricane Igor in September 2010. This was the most destructive hurricane on record in Newfoundland, causing one death and resulting in ~$200 million in damages.

While no one in their right mind (or me, for that matter!) would hope for a threatening storm like this to hit the island, hurricanes do peak the interest of birders. The strong cyclonic winds are known for picking up and carrying birds to far-flung places, and the remnants of hurricanes and tropical storms have a history of dropping off major rarities in the Maritimes and Newfoundland. In terms of potential for rare birds, I would probably prefer a hurricane that swings much further west before reaching Newfoundland, skimming the eastern seaboard of the United States and picking up an abundance of birds like gulls, terns and seabirds. (Larger, strong flying birds like these are best known for arriving after a hurricane … smaller birds are not likely picked up as easily, or at least do not survive the wicked ride). Hurricane Helene took such a path in September 1958, dropping off dozens of Black Skimmers at Burgeo – the only record for the province. Hurricane Wilma (October 2005) was credited with bringing large numbers of Chimney Swift, Swallows, two dozen Laughing Gulls, two Franklin’s Gulls, a Gull-billed Tern and a Black-necked Stilt to southern portions of the island. As often happens, the Maritimes received an even larger number and array of storm waifs – including several Magnificent Frigatebirds!

The more westerly track of Hurricane Helene, which brought dozens of Black Skimmers to Newfoundland ... and who knows what else?!?! Very few hurricanes have a trajectory like this.

The more westerly track of Hurricane Helene, which brought dozens of Black Skimmers to Newfoundland … and who knows what else?!?! Very few hurricanes have a trajectory like this.

Hurricanes like Gonzalo, which stay well out to sea, have less potential for bringing large numbers of such birds. They do, however, have an opportunity to pick up a variety of seabirds that would make my mouth water. Passing over Bermuda and tropical Atlantic waters, gems like Tropicbirds (White-tailed and Red-billed), pterodroma Petrels, and pelagic terns are not out of the question. Hurricane Florence, which took a path similar to Gonzalo’s in 2006, brought a White-tailed Tropicbird (found dead just 300m from my university office at the time!) and the province’s third ever Least Tern (found by a team of birders that included yours truly!). Other storm taking similar paths have turned out to be a bust, producing little or nothing in the way of unexpected birds.

I think I'd vomit if I saw one of these fly over my head following the hurricane on Sunday, but it's a real possibility. Whether I'll get out to look for one is another question! (Photo taken in Hawaii)

I think I’d vomit if I saw one of these fly over my head following the hurricane on Sunday, but it’s a real possibility. Whether I’ll get out to look for one is another question! (Photo taken in Hawaii)

What will Gonzalo bring?!?! Let’s hope for great birds and no damage, eh?

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