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Unit
Unit value
Time steps
Hourly
3 Hourly
6 Hourly
Daily
Time interpretation
Time interpretation value
Bits per value

The bitsPerValue determines the relative size of the data download required for each parameter. The bitsPerValue ranges from 12 to 20 bits for our current parameters.

Note the data download size is not a direct multiplier of the bitsPerValue as there are standard overheads within the generated GRIB files which are common for all parameters. However, the bitsPerValue is a good guide to the relative cost of each parameter.
BitsPerValue value
Level Type
Level type value
Parameter ID
Parameter ID value
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Application name

Your application name is used as a link to our gateway through which your API requests are processed. On subscription we automatically create an application for you with a default name. The application name has no bearing on how things are processed.

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Message

By ordering products from the Met Office Weather DataHub and clicking “confirm”, you are agreeing to be bound by the Met Office Weather DataHub Terms and Conditions which apply to the order.

Should you wish to discuss licensing terms, then please call 0033 678 3454 or email licensing@metoffice.gov.uk

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About monthly data usage

Data plans

All data plans are managed in GBs worth of data but note we use 1,024 conversion for all our plans. So 1,024 GB is equivalent to 1 TB (Terabyte). Strictly speaking this is TiB and GiB i.e. Tebibyte and Gigibyte

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About monthly data usage

Estimate monthly usage

Estimated order size if all selected data for all runs is taken based on an expected file size per parameter. Note this is a guide only and actual sizes for each parameter will vary.

Whilst every effort has been made to make the estimated file download sizes accurate customers should check the projected figures which are based on actual downloads as well as the estimated file sizes.

Usage this month

This figure is the actual data transferred for this calendar month so far.

Projected Monthly Usage

The projected monthly usage is calculated by:

  • retrieving the amount of data downloaded in the last 30 days
  • divide by the number of active days (>0 bytes downloaded) to get a daily average
  • multiply by the number of days in the current month for maximum monthly usage
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Order Naming

Note when used in the API the order name/ id is transformed by substituting spaces with hyphens and all letters are lowercase e.g. 'GLOBAL10k 12amRun' becomes 'global10k-12amrun'

For the avoidance of doubt the transformed order id to use in the API reproduced below in the Delivery section

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The button below will take you to the Billing page on Weather Data Hub, which will open in a new tab.

Please update your details there and then return to this tab to proceed with your subscription.

If you have been logged out, you can find the Billing page by clicking on your email address in the top-right corner and then going to 'My Organisation', after logging back in.

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Taxpayer Identification Number (TIN)

The taxpayer identification number (TIN) is the unique identifier assigned to the Account Holder by the tax administration in the Account Holder’s jurisdiction of tax residence. It is a unique combination of letters and/or numbers used to identify an individual or entity for the purposes of administering the tax laws of that jurisdiction.

For more information, please see https://www.gov.uk/hmrc-internal-manuals/international-exchange-of-information/ieim402040

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How to build your order

1. My subscriptions

Profile dropdown

First, you should log in to your Weather DataHub account, or, if you are visiting for the first time, register for a new account. In order to start creating an order, navigate to the ‘My subscriptions’ page. You should land here automatically when you log in.

2. Get started

Subscriptions page

From the ‘My subscriptions’ page, click the ‘Continue to data’ button under ‘Atmospheric’ to begin.

3. Models

Atmospheric model page

Explore our models on the product selection page for descriptions. When you have selected one of our models, simply click 'start a new order'.

4. Region

Region selection page

Customise your area by drawing a bounding box within its limits. This defines your region and updates the coordinates below the map. Adjust these coordinates for precision. You can also view the preset regions in the drop-down menu (availability varies by model).

Note that the UK model in Lambert Azimuthal Equal Area projection offers limited presets due to bounding box complexity. Many opt for the Equirectangular Latitude-Longitude projection for smoother integration with other models.

5. Single-level parameters

Single level parameters selection page

Our single-level parameters are organised into collapsible accordions, grouped by category. To expand your options, simply click the '+' next to a category.

From there, you can choose the parameters you need within each category. For more information visit our glossary page.

6. Multi-level parameters

Multi-level parameters selection page

Our models feature multi-level parameters across different levels:

Pressure (x33)
Height (x34)
Depth (x4)

To see more parameters, click 'expand view', or use the arrows to scroll horizontally. Access all levels by clicking 'show all' at the bottom of the checkbox table. We show popular levels initially, but all levels are available for expansion.

7. Time steps

Time step selection page

The available time steps vary based on your model choice. Use the frequency and range presets to select your required time steps. For ultimate flexibility, individually select valid time steps, allowing any combination you prefer.

Note that we do not currently consider the variable run lengths for model runs. If your selected time step is available for the model run it will be delivered.

8. Model run times

Model run times selection page

The option varies per model - you can choose from the run times on offer. To keep you informed we make sure to show you the forecast length for every run. Feel free to select one, several, or all runs according to your needs.

9. File delivery preferences

File delivery preference selection page

GRIB2 is flexible as a file format in that it can be split or combined as required. Within specific volume limits, you have the option to determine the level of granularity at which the files will be delivered.

Note that we cannot guarantee a specific preference.