Questions tagged [weather-forecasting]

Questions about the application of weather data in meteorology/forecasting.

14 questions with no upvoted or accepted answers
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6
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78 views

Worldwide weather maps database

I am searching for a database (a free one would be great) that would give me, for any chosen rectangular area on earth, historic data about pressure, sea water temperature, wind (including both speed ...
5
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0answers
73 views

Using salinity to predict rainfall

Recently, a new method has been proposed by Ray Schmitt (WHOI) and collaborators to use salinity patterns in the ocean to predict weather events (more specifically, rainfall) at scales from weeks to ...
5
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0answers
560 views

Why did the GFS switch to hourly forecasts through hour 120?

About a month ago, the GFS was upgraded. Among other things (like making parallel GFS data available), the upgrade notice said: Include hourly forecasts out to 120 hr Now, this seemed ...
5
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0answers
99 views

Initial indexes for calculating the Fire Weather Index (in the Canadian Forest Fire Weather Index System)

I am applying the Canadian Fire Weather Index (FWI) on the Forest Fire Warning System of my laboratory. My problem is in calculating the Fine Fuel Moisture Code (FFMC), the Duff Moisture Code (DMC) ...
4
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0answers
46 views

What software for cloud motion forecasting

I have a large sequence of images in .png (10 second resolution) from sky image system. Is there any inexpensive software for processing images and forecasting cloud motion? I have found out that ...
3
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0answers
87 views

Difference between GDAS and GFS data

What is the exact difference between GFS 0.25 and GDAS 0.25 data which is available in http://nomads.ncep.noaa.gov/. And are the GFS 0.5 and 1 degree data available in the above url and here the same?...
3
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0answers
40 views

Will global Warming continue to produce winter storms in the Northeast US?

Will GW just cause more winter storms in Northeast US or will all of US have colder winters ? This winter in East TX we had three record cold snaps and I lost a lot of Camellia Japonica buds and ...
3
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0answers
23 views

What 3-day smoke forecasts are height-resolved?

In order to accurately perform weather forecasts during large wildfire events, weather models must include the smoke. Smoke reflects sunlight back to space, decreasing the light absorbed by the ...
3
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0answers
327 views

Learn weather forecast

Is there any website for videos/articles that explains how to read maps or other graphics use to make forecast prediction (more advanced than the weather channel please) ? It could be about any ...
2
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0answers
50 views

For how long can the wind blow unabated on a “trade wind route”?

Take a specific point at sea level (less than 100 meters above it) on a "trade wind" oceanic route. For example, somewhere on Labrador-Ireland route, at roughly 50 degrees of latitude north. Let's say,...
2
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0answers
146 views

Average life span of a hurricane

Wondering if there's data of what could be the average life span of an hurricane considering global warming as factor.
2
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0answers
298 views

Do U & V vectors differ depending on GRIB layers (wind vs current)?

Essentially I would like to know how current direction "DIR C" and wind direction "WDIR" for gribs is computed. I'm trying to compute some angles from u and v vectors in grib files. My understanding ...
2
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48 views

What kind of storm tracks produce snow in the eastern United States?

What storm tracks are favorable for snow in the eastern United States? Articles like this one on a winter storm in the Northeast in 2011 indicate that storm tracks are important in snowfall amounts. ...
1
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40 views

Forecast accuracy in different climate types

Which climate is easier to be predicted. In other words. Which climate forecast results better accuracy? Is there any climate more convenient to be predicted? Is there any paper concerning this topic?...