The Tornadoes, Cyclones, Hurricanes & Typhoons Thread.

Unusual storm track could bring tropical storm to southern California:
www.bbc.com

Hurricane Hilary weakens but could still be deadly - US

The storm is expected to hit Mexico's Pacific coast and then move towards southern California.
www.bbc.com www.bbc.com
The Category 4 storm, named Hilary, is predicted to first make landfall in Baja California, a Mexican state, on Saturday morning.

Forecasters say it will then lose wind speed and become a tropical storm, tracking north-west towards southern California, Nevada, Arizona and Utah.
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The National Weather Service (NWS) said the potential for heavy rain, ranging from 3-6in (7-15cm) in some areas, and up to 10in in others, could lead to "significant and rare" impacts for parts of southern California and southern Nevada.

In San Diego, the NWS has issued a warning for the "high potential" of flash flooding.
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But it is "exceedingly rare" for a tropical storm to come off the ocean and make landfall in California, Stefanie Sullivan, a forecaster with the National Weather Service in San Diego, told the New York Times.

The last time a tropical storm made landfall in southern California was in Long Beach in 1939.
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_130839671_hilary_2023_18_aug_0000-nc.png.webp
 
A major hurricane, but a relatively unpopulated area of Florida:
www.bbc.com

Florida takes stock in Storm Idalia's aftermath

More than 440,000 people are still without power as Idalia, now a tropical storm, moves into Georgia.
www.bbc.com
The overall damage is still being assessed, but up and down the coast there is the sense that Idalia could have brought much worse destruction.

By Wednesday night, more than 225,000 people were still without power in Florida, and another 230,000 were in the dark in Georgia.
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Coastal and inland flooding is expected in parts of Georgia, as well as South Carolina and North Carolina, as the storm makes its way along the south-eastern US coast on Thursday.
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The South Atlantic is not known for cyclones (wind storms), but extra-tropical cyclones can cause severe flooding:
www.bbc.com

Brazilian state reels after its worst cyclone disaster

At least 21 people die in the state of Rio Grande do Sul, with more flooding expected.
www.bbc.com
More than 300 mm (11 inches) of rain hit the state in less than 24 hours, triggering floods and landslides, officials said.
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First Cat 5 hurricane of 2023, but not likely to make landfall:
www.bbc.com

Hurricane Lee weakens slightly to category four storm

The powerful storm is expected to cause dangerous conditions over the weekend, but not make landfall.
www.bbc.com www.bbc.com
Dangerous surf and rip currents are expected to reach the northern Caribbean by Friday and parts of Puerto Rico and the US east coast by Sunday, said the NHC.
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Massive amounts of rain following a cyclone in Queensland:
www.bbc.com

Queensland floods: Airport submerged and crocodiles seen after record rain

Hundreds in the Australian state have been evacuated but others remain stranded.
www.bbc.com www.bbc.com
Record rainfall is causing widespread flooding in far north Queensland, in what authorities expect will be the Australian region's worst-ever flood.
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Extreme weather driven by a tropical cyclone has dumped a year's worth of rain on some areas.
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The city of Cairns has received more than 2m of rainfall since the weather event began.
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Extreme waves from California winter storm:
www.bbc.com

Surfers take on giant waves as storm hits California

Waves as tall as 70ft have been surfed at the notorious break known as Mavericks.
www.bbc.com
Forecasters have issued warnings of more danger ahead after a rogue wave swept pedestrians off their feet and swamped a hotel in Ventura, Santa Cruz.

The National Weather Service (NWS) warned of "extremely dangerous conditions."

"Powerful waves and life-threatening rip currents pose an exceptional risk of ocean drowning and damage to coastal structures."
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Gordon_R said:
Indian Ocean season starting up, with potential impact on Mauritius by Mon 15th:
View attachment 1644569

Source: http://www.meteo.fr/temps/domtom/La_Reunion/webcmrs9.0/anglais/tpsreel/trajectoire.png
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There is still quite a lot of uncertainty in the 3-day outlook, with this morning's models predicting higher peak intensity, and passing much closer to Reunion than Mauritius:
trajectoire[02S_20240112_1000].png

See the 6 hourly advisories (text): http://www.meteo.fr/temps/domtom/La_Reunion/webcmrs9.0/anglais/activiteope/bulletins/cmrs/liste.html
 
Gordon_R said:
There is still quite a lot of uncertainty in the 3-day outlook, with this morning's models predicting higher peak intensity, and passing much closer to Reunion than Mauritius:
View attachment 1644937

See the 6 hourly advisories (text): http://www.meteo.fr/temps/domtom/La_Reunion/webcmrs9.0/anglais/activiteope/bulletins/cmrs/liste.html
Click to expand...

TC 02S has officially been named Belal. The long-term trajectory is quite curved, with somewhat slower passage, and affecting both Reunion and Mauritius in the same track!

trajectoire[Belal_20240113_1000].png
 
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