Deep Atlantic Low
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- littlevince
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Deep Atlantic Low
Don't know where to put this, if here or in the Tropical forum ...
It's a crazy weather year here in Portugal, in December we had an 969hPa explosive cyclogenesis who developed a sting jet with 220km /h winds on our coast, last Saturday we had a tragedy in Madeira Island (42 dead till now), and now the models have this unusual and perhaps worrying non tropical deep low in a low latitude.
Any analyses from the excellent Pro-mets from this board is really appreciated, as I am concerned.
GFS
ECMWF
It's a crazy weather year here in Portugal, in December we had an 969hPa explosive cyclogenesis who developed a sting jet with 220km /h winds on our coast, last Saturday we had a tragedy in Madeira Island (42 dead till now), and now the models have this unusual and perhaps worrying non tropical deep low in a low latitude.
Any analyses from the excellent Pro-mets from this board is really appreciated, as I am concerned.
GFS
ECMWF
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Re: Deep Atlantic Low
Cookie wrote:trying to find more information on this. can anyone help?
Yes I can help
http://agalegainfo.crtvg.es/videos/
http://www.ukweatherworld.co.uk/
Much less cold - WBFL above 1000m move into the South on Weds, but it still stays very unsettled as the deep convective low (nr 20W) moves east along the South Coast. Models in agreement for some very heavy rain hail and Thunder to move east giving local flooding in places. At the same time the snow pushes north into N Ireland, S Scotland giving several cms in places and the front actually slows down and the warmer air occludes out to the east, hence we keep cold air in the north maintaining the risk of Sleet and Snow right into Thursday. (Though by then largely Scotland only)
Another deep depression with origins well south of 40N comes NE on Thursday and moves close to the South Coast again Around 975mbs overnight into Friday , another very heavy band of Rain comes NE (another 20mm possible) and this band then pushes N to rejuvenate the occlusion by then almost stationary across Scotland giving more snow. On Friday, the cold air spills back South again and the rain turns to Snow again across parts of N England and N Ireland
Windy at times in the South, though the strongest winds occurring over the Channel Islands and N France.
Beyond the end of the week, there have been discrepancies in the handling of an extremely low latitude low which moves ENE, then NE towards Western Europe. Various models have deepened/ not deepened this low depending on its speed NW at the same time as an active shortwave runs SE towards Iberia. This low develops NE of Puerto Rico in the relatively deep tropics and moves ENE towards Maderia and the Canary Islands before turning NE, and deepening as it engages both an active shortwave and two Jets. The low on the 12Z Models interacts with the Left exit of a propagating NW;'ly Jet diving south of the Azores and the right entrance of a SW'ly Jet over the SW Approaches and English Channel. This combination allows for massive amounts of upper level diffluence and allows large scale ascent to take place forcing the low to deepen potentially explosively. It will also have PVA and a large thermal divide (Deep layer PM air diving SE and warm Subtropical air riding NE) (Theta W across the low goes from sub 6C to > 12C creating a huge amount of precipitation.
12Z Models are in actual good agreement over the low, with it coming NE west of Iberia. GFS has it furthest NW (earlier deepening) and pushes it across the SE of England, whereas the ECM and UKMO GM keep it over NE France (both have a deep low coming NE across NC France at T+144, ECM then moves it into Holland slowly filling) IN the GFS solution the low is closer to the cold air over Scotland and sucks it SE into the Low and the precip turns to Snow, however the more eastern movement in the ECM and the faster movement, means this struggles to occur. Anyway - lots will change before this occurs - however the development needs watching
http://twitter.com/Netweather
http://forum.netweather.tv/topic/61839-sundays-low/
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I didn't see this topic!!!
this link may help you, but is in spanish, sorry
http://foro.meteored.com/meteorologia+g ... 340234#new
bye!
this link may help you, but is in spanish, sorry
http://foro.meteored.com/meteorologia+g ... 340234#new
bye!
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- Crostorm
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Re: Deep Atlantic Low
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Re: Deep Atlantic Low
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- Crostorm
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Re: Deep Atlantic Low
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Expecting very heavy rain here for a time on the south coast of England, winds will be high but not that severe, though over in France gusts between 70-85mph seem quite possible and here damage is obviously going to be quite likely.
Estimates are it'll be the second billion dollar weather event of 2010!
Estimates are it'll be the second billion dollar weather event of 2010!
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The posts in this forum are NOT official forecast and should not be used as such. They are just the opinion of the poster and may or may not be backed by sound meteorological data. They are NOT endorsed by any professional institution or storm2k.org. For official information, please refer to the NHC and NWS products
The posts in this forum are NOT official forecast and should not be used as such. They are just the opinion of the poster and may or may not be backed by sound meteorological data. They are NOT endorsed by any professional institution or storm2k.org. For official information, please refer to the NHC and NWS products
- Cookie
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Re: Deep Atlantic Low
Biscay
Gale warnings - Issued: 1557 Sat 27 Feb
Easterly gale force 8 veering westerly and increasing hurricane force 12 imminent
http://www.metoffice.gov.uk/weather/mar ... All~Biscay
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- Crostorm
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Re: Deep Atlantic Low
Storm batters southern Europe, at least 23 dead
Paris, France (CNN) -- A winter storm named "Xynthia" battered the western coast of Europe Sunday, its high winds downing trees and power lines and leaving as many as 29 people dead, authorities said.
At least 23 of those deaths came in France, local media reported, where the extra-tropical cyclone whipped the country's coastal regions and moved inland, bringing sometimes heavy flooding with it.
"At 3 o'clock in the morning, we heard the toilets backing up. We got up to look and then we saw 80 cm (about 31 inches) of water in the garage," a resident of Aiguillon-Sur-Mer, in the department of Vendee, told CNN affiliate BFM.
"It was rushing in, it broke down the walls around the garden and the gate."
At least one million households were without power Sunday afternoon, Bernard Lassus of Electricite de France told BFM.
The high winds -- at times spiking to 200 km/h (124 mph) -- reached inland as far as Paris, where as many as 100 flights were canceled at the Paris-Charles de Gaulle International Airport, BFM reported.
In Spain, three people were killed in the storm, Spanish Interior Minister Alfredo Perez Rubalcaba said in a news conference Sunday. Two children died in a car accident and another person was killed in northwestern Spain, the minister said in a news conference on CNN sister station CNN+.
At least 17 provinces were on high alert due to the strong winds, CNN+ reported, and some flights and train services were canceled.
A 10-year-old child was killed by a falling tree in the high winds in Portugal, Patricia Gaspar, National Operations Assistant with the Portuguese National Authority for Civil Protection, confirmed to CNN.
There are also some power outages in the country, Gaspar said. Some residents have reported roofs blown off and smaller houses collapsing, she added.
One man was killed in southwestern Germany when a tree fell on his car, local police said. The man's wife was seriously injured.
The storm also reached England, where one woman was reported dead when the vehicle she was driving became submerged and washed down a swollen creek in the northeastern part of the country.
The body of the 53-year-old woman was recovered downstream, North Yorkshire Police said in a recorded phone message to the media.
http://edition.cnn.com/2010/WORLD/europ ... pe.storms/
Paris, France (CNN) -- A winter storm named "Xynthia" battered the western coast of Europe Sunday, its high winds downing trees and power lines and leaving as many as 29 people dead, authorities said.
At least 23 of those deaths came in France, local media reported, where the extra-tropical cyclone whipped the country's coastal regions and moved inland, bringing sometimes heavy flooding with it.
"At 3 o'clock in the morning, we heard the toilets backing up. We got up to look and then we saw 80 cm (about 31 inches) of water in the garage," a resident of Aiguillon-Sur-Mer, in the department of Vendee, told CNN affiliate BFM.
"It was rushing in, it broke down the walls around the garden and the gate."
At least one million households were without power Sunday afternoon, Bernard Lassus of Electricite de France told BFM.
The high winds -- at times spiking to 200 km/h (124 mph) -- reached inland as far as Paris, where as many as 100 flights were canceled at the Paris-Charles de Gaulle International Airport, BFM reported.
In Spain, three people were killed in the storm, Spanish Interior Minister Alfredo Perez Rubalcaba said in a news conference Sunday. Two children died in a car accident and another person was killed in northwestern Spain, the minister said in a news conference on CNN sister station CNN+.
At least 17 provinces were on high alert due to the strong winds, CNN+ reported, and some flights and train services were canceled.
A 10-year-old child was killed by a falling tree in the high winds in Portugal, Patricia Gaspar, National Operations Assistant with the Portuguese National Authority for Civil Protection, confirmed to CNN.
There are also some power outages in the country, Gaspar said. Some residents have reported roofs blown off and smaller houses collapsing, she added.
One man was killed in southwestern Germany when a tree fell on his car, local police said. The man's wife was seriously injured.
The storm also reached England, where one woman was reported dead when the vehicle she was driving became submerged and washed down a swollen creek in the northeastern part of the country.
The body of the 53-year-old woman was recovered downstream, North Yorkshire Police said in a recorded phone message to the media.
http://edition.cnn.com/2010/WORLD/europ ... pe.storms/
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- somethingfunny
- ChatStaff
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Re: Deep Atlantic Low
Yeah. This storm turned out to be a real monster. Are the landslides in Portugal an effect of this?
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-
- Tropical Storm
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As littlevince said, certainly some crazy weather going on over y'all's way this year so far. I'm so sorry to hear about the loss of life and all the damage. It is exactly like the damages we've had from hurricanes over here. I hope all of the bad weather is over for you and that mother nature gives you time to heal.
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