Disheartened, while parent blows top at depot where they collect data for forecasts (7,7)

'where they collect data for forecasts' is the definition.
The answer is a location as well as being a singular noun. This is suggested by the definition.

'disheartened while parent blows top at depot' is the wordplay.
'disheartened' suggests removing the centre (the middle or heart is removed).
'parent' becomes 'father' (type of parent).
'blows top' means to remove the first letter (the first or top letter is shot or blown away).
'at depot' becomes 'station' (I can't explain this - if you can you should believe this answer much more).
'while' with its centre removed is 'we'.
'father' with its initial letter removed is 'ather'.
'we'+'ather'+'station'='WEATHER-STATION'

Can you help me to learn more?