Archive for December, 2008

Lastest Sea Temperature News

Sea temperature rise prompts coral watch
Federal marine scientists are watching for a potential high level of coral die-off because of a rise in temperature in the Northwestern Hawaiian Islands — an area that has the highest rate of species found nowhere else in the world.
Read more on Honolulu Star-Advertiser

Geo-engineering and sea-level rise over the 21st century
Scientific findings by international research group of scientists from England, China and Denmark just published suggest that sea level will likely be 30-70 centimetres higher by 2100 than at the start of the century even if all but the most aggressive geo-engineering schemes are undertaken to mitigate the effects of global warming and greenhouse gas emissions are stringently controlled.
Read more on PhysOrg

Geoengineering ‘can’t just slam on the brakes’ on rising sea levels
London, Aug 24 : Geoengineering techniques such as space mirrors or volcanic blasts won’t help curb rising sea levels unless they employ extreme measures, says a new study.
Read more on New Kerala

The Man from the Clouds

The Man from the Clouds

In an instant I was craning over the side of the basket. Five hundred feet, 700 feet, 1000 feet, 2000 feet below us, the cruiser that had been our only link with the world of man was diminishing so swiftly that, as far as I remember, she had shrunk to the smallness of a tug and then vanished into the haze before I even answered him.

Rating: (out of reviews)

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Some cool weather education images:

weather education

Image by bootload

weather education

Image by Nicholas_T

Science Workshop: How Does Water Carry Rocks and Soil?
weather education

Image by Old Shoe Woman

Kirita Bay

A few nice latest weather images I found:

Kirita Bay
latest weather

Image by solidether

Launch of GOES-O
latest weather

Image by NASA Goddard Photo and Video

rural NC best billboard ever

Some cool surf report images:

rural NC best billboard ever
surf report

Image by Bennett 4 Senate

longest bridge in USA (maybe)
surf report

Image by Bennett 4 Senate

surf report

Image by Bennett 4 Senate

Crazy weather and other outdoor notes

Crazy weather and other outdoor notes
What is going on with Mother Nature? This instability and wild, rough weather is getting a bit old. All this moisture is certainly not welcome.
Read more on The Wahpeton Daily News

Newspapers, Schools, Breaking News, Sports, Weather, Alabama, Pelham, Alabaster, Calera, Hoover, Birmingham
Students help Shawn Farrell-Ryan, CES physical education teacher, care for the school’s butterfly garden.
Read more on The Shelby County Reporter

N.J. educators await word on big federal grant
New Jersey education officials are awaiting word today on whether they’ve won a federal grant that could be worth up to 0 million.
Read more on Courier-Post

cold front?

Question by TwiLight*: cold front?
where does precipation occur with respect to the cold front

Best answer:

Answer by bobobob
There is a good diagram at the link below

What do you think? Answer below!

The Impossibility Of Long Range Weather Forecasting

The Impossibility Of Long Range Weather Forecasting

Sometimes I feel sorry for the local weatherman. He or she has to get in front of the television camera every day and give forecasts up to a week in advance knowing full well that those forecasts are apt to be wrong. Here’s why.

Weather forecasting is based on computer modeling and these computer models are based on two things; the physics and the data. Each model that the forecaster can choose from is based on different physics assumptions, sometimes very different.

For example, will a storm just entering the west coast of the United States travel across the continent without any intensification and exit the east coast three days later? Or, will it slowly intensify as the days go on and exit the east coast as a major noreaster? Each computer model handles the situation differently and the forecaster must choose which one to use.

Quite often the atmosphere is in a state which is a combination of several different physical models, not just one. In this case, it is not at all unusual for the computer models to predict wildly differing forecasts for three to seven days into the future. When this happens, the best the forecaster can do is to put all the options out on the table. Of course, this is not what the public wants to hear and a single forecast must be made. When the inevitable happens and the forecast is wrong the weatherman must indeed have a thick skin if he is to withstand the barrage of jokes and insults which will surely come his way.

As if that is not enough, here is the real problem. These forecasting models are based, of course, on the data that is input into the computer program. This data is a compilation of current weather observations and this data is VERY incomplete. As an example, suppose two observations are fifty miles apart. The observers diligently compile the relevant weather statistics and send them off to the national weather service where the data is then input into each computer model.

Here is the problem. In the fifty miles seperating the observers, there might be some weather phenomena that is going, through no fault of anyone, unreported. This may be something very small but as the program extrapolates out days and weeks ahead, that little something may, and usually does, have a huge effect on the weather that will be seen in the forecast area.

It is known as the “butterfly effect”( a butterfly flapping his wings halfway aroung the world will eventually have an effect on the weather seen locally), and it is the dirty little secret of weather forecasting. Until we are able to collect data in a close to continuous fashion between observation points there is very little chance that our weather forecast a week ahead will be correct and nobody sees this possibility occuring in the near future.

So the next time you see or hear your local weather forecaster speaking confidently about next week’s forecast, know that deep inside he or she is grimacing and taking that forecast with a whole bushel full of salt. And please, hold all those weather jokes!