22
votes
Why isn't Summer Solstice plus and minus 90 days the hottest in Northern Hemisphere?
If Summer Solstice around June 21 every year is the longest day of the year and closest to the sun for the Northern Hemisphere, then why isn't it plus and minus 90 days around this date the hottest? ...
- 23.9k
19
votes
Are there some places near the equator that are hottest in their winter and some that are hottest in their summer? Is there a map of this?
Tropical climates usually aren't subject to typical extratropical seasons and are instead characterized by rainy/dry seasons. However, if you define the "summer" and "winter" ...
- 13.8k
9
votes
What time and date is the sun directly overhead a given place on Earth?
Having the sun directly overhead can happen only between the Cancer and Capricorn tropics. That is, only the places between 23.5° of latitude north and 23.5° of latitude south.
On the Cancer tropic (...
- 17.7k
9
votes
Why isn't Summer Solstice plus and minus 90 days the hottest in Northern Hemisphere?
It's all about thermal storage/momentum.
Consider spring and fall equinox. They should be the same temperature, right?
On March 20, why are the lakes still frozen? Because the hemisphere spent the ...
8
votes
Does the amount of UVA radiations one receives depend on the day ot the year?
UVA passes through the atmosphere without losing much intensity, so per quote one it's intensity doesn't change, nor does it's magnitude as a percentage of total insolation vary, much, during the year ...
- 5,090
8
votes
Accepted
Where does the sun set?
Where it sets depends on 1) your latitude and 2) the Sun's declination, which varies throughout the year between -23° (December) and +23° (June). Consider the following pictures, taken from A Quick ...
- 750
6
votes
Are there some places near the equator that are hottest in their winter and some that are hottest in their summer? Is there a map of this?
The temperate concepts of winter and summer don't quite apply to the tropics, the region between the Tropic of Capricorn and the Tropic of Cancer. That region experiences two maxima and two minima per ...
- 23.9k
6
votes
Does the amount of UVA radiations one receives depend on the day ot the year?
Reddit user and r/EarthScience mod Halcyon3k pointed me to the following visualization that nicely illustrates Ash's great answer on the fact that "total ground level insolation intensity in $\...
5
votes
Accepted
How was Venice flooded?
If the winds subsided and the flooding was caused purely by tidal effects, which are astronomical events, shouldn't it have been predictable months, if not years in advance?
The tides are only ...
- 23.9k
5
votes
How was Venice flooded?
Venice can't really be flooded by rivers, since there are none worth mentioning throughout the city.
High tides are predictable, yes.
Take a look at how Venice is situated. The historic city is ...
- 756
5
votes
Accepted
Have the seasons always been?
Has the Earth had it's wobble that causes the seasonal variation in solar energy in the northern and southern hemispheres for it's entire history?
First it depends on how you define the "entire ...
- 511
5
votes
Accepted
Are the length of seasons the same globally?
As has been noted in a comment, it depends on how you define seasons (see https://earthscience.stackexchange.com/a/2603/111).
If seasons are defined in astronomical terms, then they have the same ...
- 5,810
5
votes
Why does the Indian subcontinent experience it's warmest weather in April and May?
While India is in the northern hemisphere, keep in mind that tropical locations don't usually follow typical seasonal patterns experienced at higher latitudes. Instead, the tropics often have a wet ...
- 13.8k
5
votes
Accepted
How is this global temperature chart compiled?
As stated in your linked article, the graph shows the global average temperature based on ERA5 reanalysis data.
Typically for graphs like this you integrate the surface temperature over the whole ...
- 1,165
4
votes
Sun's Highest Point on June 21
Well, kind of, depending on what you really mean.
We're being rather vague with our terms, and so it shouldn't be surprising if the answer doesn't meet our expectations.
We could interpret all these ...
- 3,628
4
votes
Accepted
What would the equilibrium temperature be at the poles in a world without seasonality?
If we consider that by "Assume daily cycle and convection and so on operate as usual" you meant that all heat transport from/to the pole remain as it is today. Then, we can do a back of the ...
- 17.7k
3
votes
Why do meteorological seasons start earlier than astronomical seasons?
As JeopardyTempest commented: Actually, the astronomical seasons are defined in such a way that you should expect them to be a full 1 ½ months behind, not just 21 days! Namely, astronomical winter ...
- 817
3
votes
Why does foliage coloration vary on north/south sides of ridge (Northeast USA)?
Your photo doesn't show the strip of autumn-coloured trees very well; without your description I would have taken it for a strip of bare earth. All sorts of things could account for the autumn shades, ...
- 4,711
3
votes
What are the most similar Earth analogues to Mars' seasonally recurring slope linea?
Analogues to Mars Recurring Slope Linea (RSL) is a current study topic in Antarctica (Dry Valleys). On Earth, analogues are known as water tracks, which are linear zones of higher moisture along ...
- 2,669
3
votes
Accepted
Are "rainy season" and "less rainy season" good ways to describe Amazon seasons in English scientific language?
Dry season
While not being very descriptive, 'dry season' is in general use, even for rainforests (Af Koppen climate, if you will). Example papers using the terminology here.
- 3,376
3
votes
Why doesn't the sun reach its highest point overhead at exactly 12:00 noon?
Cannot add to the excellent Time Zone, Daylight Savings, and Equation of Time (Mean Sun) explanations here, but I do want to mention something about the original question by Ian Paschal. It appears to ...
3
votes
Does storm seasonality vary with latitude?
It really depends on how you define storms. For tropical storms, there are some regions where they are not usually a threat. Likewise, for extratropical storms, there are latitudes where such things ...
- 8,809
3
votes
Is there a bigger diurnal temperature variation in the summer because of a greater humidity?
Not really... there's some problems with your hypothesis.
First off, it depends on what you mean by variability.... if you mean the difference between high and low temperature each day, which is what ...
- 8,802
2
votes
Latitude and Daylight Hours
This tool lets you determine daylight hours from latitude for any day of the year.
I feel like this answer should be longer, but there is not much more to say.
- 3,376
2
votes
Accepted
What would happen to the Earth if there were no seasons?
In a short timescale, let's say one or two years after a permanent equinox state, the temperature would be basically the current mean annual temperature. This is because if we take the premise of ...
- 17.7k
2
votes
Accepted
Easy homework questions about seasons and daytime
The figure depicts the Northern hemisphere summer solstice, given that, there is no information missing:
At which width circle does the sun shines perpendicularly?
The one labeled "13 1/2 uur" that ...
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2
votes
Accepted
Where can I find information about monthly seasonal change in a given area?
You can try climatemps.com for easy access and plots. There they have a map you can click on or a list by countries.
More data and analysis tools are available at the KNMI Climate Explorer, a more ...
- 17.7k
Only top scored, non community-wiki answers of a minimum length are eligible