We have a beautiful foggy morning today
a little bit cold, but very, very beautiful
and the thing is, I knew it was going to be foggy this morning
and that's why I woke up earlier than usual
and I was ready to go
you know how much I love fog
you know how important fog is for my photography
but what I've never talked about is how I predict
or try to predict, fog
so in this video, I'm gonna show you how I do it
the app that I use and the data I look for
we have to keep in mind that every place is different
but this method that I'm gonna share with you today has worked quite well
for me in the past in very different places
a couple warnings before we begin
the first one is that this is not an exact science
it's quite the opposite
it's pretty hard to predict if there is gonna be fog or not
but over time, you'll get better at it,
you'll get better at reading the signs that sometimes are all over the place
depending on the place where you live,
and depending on the landscape that you have around you
this is extremely important: the more you know the landscape the better you're gonna get at it
the better you're gonna get at predicting fog
also, almost goes without saying, but not every place gets fog
so no matter how good you get at predicting fog, that is not going to make it happen
in some places fog might be seasonal, so it might happen more often in the summer,
and some other places might happen more often in the winter
for example, here where I am, it happens in the summer but it happens more often in the winter
and that's because we have days like today, it was
very cold last night, it's gonna be very warm today
and it rained a couple days ago
so there is a lot of humidity on the ground that got very cold during the night
and now it's warming up and it's releasing all that humidity into the air
it also helps that this is a valley, so it's trapping all that humidity,
all that fog within just a few miles
and these are our first clues for fog: some humidity on the ground,
and some significant difference in temperature between the night and the day
another two requirements for fog are the wind
the less wind, the better
no wind would be the best
and the rain: if it rains, there is not going to be fog
at least this kind of fog, the thick fog that we have today
we might have some fog, some mist, some atmosphere, created by the rain itself
but in most cases, it's going to be just a gray day
your photos are going to look like it's just a cloudy day
but you're going to get wet
if we put all of this
together, along with the knowledge that we have of the location, of the landscape
we're going to have a much, much clearer idea
of the chances of fog at any given day just by using any weather app
but we can do a little bit better by using another two numbers
another two factors that are important for fog
to do this, I use an app called "Clear Outside"
I think it's only available for iOS
it's not a good app, it's a very old app, it hasn't been updated in years
but I like that it's very simple and I can see all the information at a glance without any hassle
but any weather app that gives you this information will work, of course
the other two numbers I look for that you don't usually get on a plain
weather report are humidity and the dew point
the higher the humidity, the better
at least here, fog doesn't happen with humidity below 90%
right now, it's around 95%
the other one is the dew point
the closer the dew point is to the real temperature, the higher the chance of fog
this morning I think it's one degree, one and a half degrees below the real temperature
and this is in celsius, it might be two to three fahrenheit degrees below the real temperature
but I feel like the closer those two numbers are, the thicker the fog gets
as I said, it's the simplicity of the Clear Outside app that I like
because at a glance, at just one glimpse, I can see all the information that I look for
there was no wind this morning
it was not going to rain
it was cold last night, it's still cold
it's gonna be warm today
it rained a couple days ago
humidity is very high
and the dew point is very close to the real temperature
that, along with the shape of the landscape, and my experience and my knowledge of this place...
well, the chances of fog this morning were very, very high
so last night I made sure that the cameras and the
lenses I wanted to use today were already my camera bag
all the batteries were fully charged
so this morning I just had to wake up, have some coffee, and get out here
just a couple things about the app that I mentioned today, Clear Outside
I'm gonna leave the description...
what are the chances of a helicopter flying around in foggy weather?
maybe they shouldn't be flying right now
anyway, a couple things about the app that I mentioned today, Clear Outside
I'm gonna leave the link in the description down below to the App Store
you can download it there for free
the thing is that Clear Outside gets its information from Dark Sky
it's another weather app that was recently bought by Apple
and they are shutting it down
they're shutting down the access to the information from other developers
so Clear Outside might stop working very soon, maybe by the end of this year
and at that point, I will have to look
for another weather app that provides you the same information in a way that is as simple as this one
if there is none, I might have to make one myself
but I hope this was useful
again, this is not an exact science, and fog will behave very differently depending on the location
all these tools that I just gave you might give you a rough idea of what to expect
ideally, you will use them along with the knowledge that you have of the
location to have a better idea of what to expect
anyway, feel free to share in the comments down below your tips and tricks
about how to predict weather conditions that might be useful for other people
this is all for today
thank you so much for watching, and see you in the next one!