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The weather forecast is technology I collect information about the state of the atmosphere such as past weather or weather / atmospheric pressure / the direction of the wind / the wind velocity / temperature / the humidity of the present situation of each place, and I predict a state of area of the sea and the ground related to state and it of the atmosphere such as weather / wind / the temperature to amount based on this for a specific area or a wide domain several months later from the day, and to be able to stream down it.
There is a case called the weather information with television, but the weather information added a weather forecast to weather real condition information closely, but tends I am approximately synonymous with a weather forecast, and it to be used recently.

There is a thing forecasting a weather state every lattice which I divided into a division of constant size over a map that I forecast a weather state every forecast ward decided beforehand in the kind of a forecast for public whom the Meteorological Agency announces.

For an example of the former, there is a local weather distribution forecast for, an example of the latter.

In the kind of the forecast ward, "the whole" is different by the kind of the forecast there is "prefectures" (Hokkaido including Tokyo subdivides it every two or three branches) (the whole country, 11), and which forecast ward "a district" announces the forecast (all over Japan) about.

The best / minimum temperature, the forecast of the probability of precipitation are included in a forecast other than a forecast of the weather, too.

Short-term weather forecast and the local chronological order forecast announce the three times of 17:00 at 11:00 at 5:00.
The forecast of a week announces the twice of 17:00 at 11:00.

It is a forecast the warning warns it of the effect with the fear to happen of a serious disaster, and to perform.
I refer to weather warning in detail.

When a warning was announced, it is displayed by a telop on a screen with the NHK synthesis television.
It is displayed by a deficit in the programs of the weather forecast.
The first NHK radio broadcast (as for the FM broadcast only at the time of "the radio middle of the night mail" broadcast.)
But when do not broadcast it, there is it, and interrupt it in a program broadcasting in); "do it in the middle of a program (music), but is news of the weather connection".
It is reported that a heavy rain flood warning was announced for some time ago at ○ time by the , district, and a warning was announced.

I say a forecast to announce for attention awakening about a phenomenon when there is a threat that I follow a warning, and a disaster is caused or to give a wide hindrance to society / economic activities with a warning.

There is the earth and sand disaster caution information I supplement a joint flood forecast to announce in cooperation with a river manager other than the thing which the Meteorological Agency announces alone for an individual river and a heavy rain warning for a warning / a warning and information about this, and to announce the caution to landslides in cooperation with the metropolis and districts to call you.

As for the weather forecast offered for the public, the following media is quite used.

Generally an illustration mark displays a weather forecast with television transmission and the newspaper.

Or I put one these marks together 2 and express it, but there is one part of Nippon Television others case local, I "clear, and to use three marks for at the time of snow whether occasionally rainy".

There is a thing about the sea area of the offing if I relate to the sea area of the coast.
In addition, these have little broadcast examples in the commercial broadcasting station except the independent UHF station.

About a little less than 80% probability that a weather forecast is judging from a conclusion (short-term weather forecast).

Because I make whether the hit rate of the weather forecast does not "fall whether it rains" a standard, for example, this probability goes up fine weather and - - which are, actually, cloudy, to have "hit" it while forecasting it year by year, but there is the person to misunderstand when an impact when it came adversely is big, and "the weather forecast was able to stream down a lie" (in the Meteorological Agency, as for the need that each place concerned takes moral responsibility, there is no it for having come off).
The forecast is only "probability" to the last.