EPAC: BONNIE - Post-Tropical - Discussion

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Re: EPAC: BONNIE - Hurricane - Discussion

#741 Postby cycloneye » Thu Jul 07, 2022 8:00 pm

EP, 04, 2022070800, , BEST, 0, 180N, 1161W, 80, 980, HU
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Re: EPAC: BONNIE - Hurricane - Discussion

#742 Postby Sciencerocks » Thu Jul 07, 2022 11:33 pm

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Re: EPAC: BONNIE - Hurricane - Discussion

#743 Postby wxman57 » Fri Jul 08, 2022 9:09 am

It's weakening fast now. Convection fading as it moves over cooler water. Won't last much longer.
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Re: EPAC: BONNIE - Hurricane - Discussion

#744 Postby Sciencerocks » Fri Jul 08, 2022 10:52 am

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Re: EPAC: BONNIE - Hurricane - Discussion

#745 Postby cycloneye » Fri Jul 08, 2022 1:45 pm

Bonnie's long trayectory. Interesting articule about all the route of this system since it began.

Extracts.

* After 6,000 miles, unstoppable Hurricane Bonnie continues to break records.

* As of Friday, July 8, AccuWeather's forecast for Bonnie takes it close to the 140-degree west longitude line which marks the boundary of the Central Pacific basin. If that happens, it will be a record. No Atlantic-Pacific crossover storm has ever moved that far west. The record holder, Hurricane Cesar-Douglas in 1996, traveled to 130 degrees west longitude.

* Bonnie's track has already extended 6,600 miles as of Friday morning, July 8, roughly 1/4 of the Earth's circumference, and most of that in a relatively straight line. According to the NOAA Hurricane FAQ, the longest Atlantic tropical cyclone track is Hurricane Faith in 1966, which tracked 7,894 miles, from when it emerged off the coast of Africa all the way to within 600 miles from the North Pole, in a grand half-circle track. The longest track of a Pacific storm is likely John in 1994, which started in the Eastern Pacific, crossed into the Central then Western Pacific and turned around to cross back into the Central Pacific.

* Bonnie, designated at the time by the National Hurricane Center as Potential Tropical Cyclone Two, formed in the Atlantic at 8.6 latitude north, about 250 miles north of French New Guinea. At that location, it became one of the southernmost tropical cyclones ever to develop.

* According to the NOAA Hurricane Historical Tracks Archive, the only storm that formed farther south was Tropical Storm Bret that formed as a tropical depression at a mere 7.5 degrees north latitude on June 18, 2017, then made landfall as a tropical storm in southern Trinidad on June 20 of that year,"

* Late on Friday, July 1, local time, Bonnie made landfall along the Nicaragua-Costa Rica coastline, also a rare feat for tropical storms. Only two named storms on record have made landfall on the Costa Rica side of that line, in 1887 and 1973. The only landfall farther south was Tropical Storm Martha in 1969, which is the only recorded landfall in the country of Panama.



https://www.accuweather.com/en/hurrican ... ium=social
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Re: EPAC: BONNIE - Hurricane - Discussion

#746 Postby cycloneye » Fri Jul 08, 2022 1:48 pm

No longer a hurricane.

EP, 04, 2022070818, , BEST, 0, 185N, 1209W, 55, 998, TS
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Re: EPAC: BONNIE - Hurricane - Discussion

#747 Postby Ntxw » Fri Jul 08, 2022 1:50 pm

Cold water. She's still hanging tight and squeezing every last bit of ACE.
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EPAC: BONNIE - Tropical Storm - Discussion

#748 Postby skyline385 » Fri Jul 08, 2022 4:22 pm

Still chugging along with some good looking bands

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Re: EPAC: BONNIE - Tropical Storm - Discussion

#749 Postby Sciencerocks » Fri Jul 08, 2022 7:00 pm

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Re: EPAC: BONNIE - Tropical Storm - Discussion

#750 Postby Sciencerocks » Sat Jul 09, 2022 10:16 am

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Re: EPAC: BONNIE - Tropical Storm - Discussion

#751 Postby Yellow Evan » Sat Jul 09, 2022 2:39 pm

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Convection re-developed technically wouldn’t pull the plug yet but the NHC seems more eager to declare stuff PTC’s these days.
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Re: EPAC: BONNIE - Post-Tropical - Discussion

#752 Postby cycloneye » Sat Jul 09, 2022 6:40 pm

Bonnie had a long journey from June 23 to the south of the Cape Verde Islands, was classified as a PTC on June 27, was classified as a storm on July 1 and after crossing CA, it became a hurricane on July 3.

Cyclones that have traveled the longest:
Atlantic: Faith (1966) traveled 7,894 miles / 12,700 kilometers.
Pacific: John (1994) traveled 7,115 miles / 13,180 kilometers.

Cyclones that have lasted the most days:
Atlantic: San Ciriaco (1899) lasted 27.75 days
Pacific: John (1994) lasted 30 days on his journey, and when he went to the Central Pacific, he became Typhoon John.
John holds both records: longest distance run and longest running time.

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Re: EPAC: BONNIE - Post-Tropical - Discussion

#753 Postby wwizard » Sun Jul 10, 2022 1:17 am

cycloneye wrote:Bonnie had a long journey from June 23 to the south of the Cape Verde Islands, was classified as a PTC on June 27, was classified as a storm on July 1 and after crossing CA, it became a hurricane on July 3.

Cyclones that have traveled the longest:
Atlantic: Faith (1966) traveled 7,894 miles / 12,700 kilometers.
Pacific: John (1994) traveled 7,115 miles / 13,180 kilometers.

Cyclones that have lasted the most days:
Atlantic: San Ciriaco (1899) lasted 27.75 days
Pacific: John (1994) lasted 30 days on his journey, and when he went to the Central Pacific, he became Typhoon John.
John holds both records: longest distance run and longest running time.

https://i.imgur.com/wLajJg0.jpg


John is believed to have started as a wave off Africa. So add another 4,000 miles or so to that trip, if we're counting Bonnie's pre-cyclone days, that is.

Also it looks like your numbers for John are off. 13,180 kilometers comes out to about 8,190 miles, not 7,115.
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Re: EPAC: BONNIE - Hurricane - Discussion

#754 Postby LarryWx » Sun Jul 10, 2022 4:48 pm

cycloneye wrote:
Bonnie's long trayectory. Interesting articule about all the route of this system since it began.

Extracts.

* After 6,000 miles, unstoppable Hurricane Bonnie continues to break records.

* As of Friday, July 8, AccuWeather's forecast for Bonnie takes it close to the 140-degree west longitude line which marks the boundary of the Central Pacific basin. If that happens, it will be a record. No Atlantic-Pacific crossover storm has ever moved that far west. The record holder, Hurricane Cesar-Douglas in 1996, traveled to 130 degrees west longitude.

* Bonnie's track has already extended 6,600 miles as of Friday morning, July 8, roughly 1/4 of the Earth's circumference, and most of that in a relatively straight line. According to the NOAA Hurricane FAQ, the longest Atlantic tropical cyclone track is Hurricane Faith in 1966, which tracked 7,894 miles, from when it emerged off the coast of Africa all the way to within 600 miles from the North Pole, in a grand half-circle track. The longest track of a Pacific storm is likely John in 1994, which started in the Eastern Pacific, crossed into the Central then Western Pacific and turned around to cross back into the Central Pacific.

* Bonnie, designated at the time by the National Hurricane Center as Potential Tropical Cyclone Two, formed in the Atlantic at 8.6 latitude north, about 250 miles north of French New Guinea. At that location, it became one of the southernmost tropical cyclones ever to develop.

* According to the NOAA Hurricane Historical Tracks Archive, the only storm that formed farther south was Tropical Storm Bret that formed as a tropical depression at a mere 7.5 degrees north latitude on June 18, 2017, then made landfall as a tropical storm in southern Trinidad on June 20 of that year,"

* Late on Friday, July 1, local time, Bonnie made landfall along the Nicaragua-Costa Rica coastline, also a rare feat for tropical storms. Only two named storms on record have made landfall on the Costa Rica side of that line, in 1887 and 1973. The only landfall farther south was Tropical Storm Martha in 1969, which is the only recorded landfall in the country of Panama.



https://www.accuweather.com/en/hurrican ... ium=social


Thank you, Luis, for posting this. Regarding this interesting Accuweather article, I think they were pretty messy in their writeup about Bonnie. Here's why:

1. 1st and 3rd paragraphs mention a 6,000 to 6,600 mile long track and then compares it to the 7,894 mile long Faith. But the 7,894 for Faith was all tropical cyclone designated. Only about 2,500 miles of this 6,600 miles was actual tropical cyclone Bonnie designation. So, this is an apples to oranges comparison.

2. 2nd paragraph: Although Accuwx projected it would get to 140W, Bonnie ended up not making it even to 130W. So, it didn't even quite break the Cesar Douglas Atlantic-Pacific crossover storm record of 130W though it was close. So, this was still quite notable.

3. Paragraph 4: It says it was first designated a PTC north of French New Guinea. There is no country or territory by that name. They meant French Guiana. I think they corrected that later.
It also says it became a TC there way down at 8.6 N. Yes, it was quite far south then, but it was just a PTC. It didn't actually become a TC til the W Caribbean at 11.2 N. So, imo, this is misleading.

4. The last paragraph is the most accurate, how far south it crossed Central America as a TC. So, Accuwx has it as the 4th furthest south Central America TC landfall, which is quite interesting!
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Re: EPAC: BONNIE - Post-Tropical - Discussion

#755 Postby cycloneye » Sun Jul 10, 2022 6:56 pm

Thank you LarryWx for correcting that Accuweather story.
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