Questions tagged [climate]

Average weather conditions for a particular area measured over multiple years or decades. For questions on climate change use the [climate-change] tag.

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68 views

Solar Cycle 25: Can a strong solar storm trigger a violent geomagnetic shift? [closed]

In light of the material presented in the link, hopefully not disregarded as a complete mumbo-jumbo, I would like to pose a simple question, as mentioned above in the question - While we are ...
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1answer
58 views

Where can I find archived night microphysics images from EUMETSAT? I

I want night microphysics RGB composite from EUMETSAT. I'm looking for archived images. I tried finding them on EUMETSAT's data center page. Data from different channels of SEVIRI is available but ...
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1answer
371 views

Method to determine Tmax 95th percentile in a climate data

I am analyzing the effect of extreme weather on milk production (Panel data). I am looking at direct effects and indirect effects of weather on animal (milk production). Regarding extreme weather, I ...
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115 views

The Tambora eruption caused the “Year without a summer”. How much would such an eruption today affect the output of solar pv on a global scale?

Are there any estimates for the reduction of global solar insolation at the Earth's surface that a Tambora scale eruption would bring? If our electrical power generation became heavily reliant on ...
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1answer
193 views

What are the ranges of natural (or pre-industrial era) levels of CO2 in the atmosphere in ppm and tons?

Are the levels of natural (before the industrial revolution) levels of CO2 and ppm known? Also as a related question, should the "natural" levels be considered before the industrial revolution or ...
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266 views

Which percentage of $\text{CO}_2$ emissions are human made emissions?

I was watching a science/myth Youtube channel (science mixed with a lot of speculative/fantasy content) with 2M+ followers and the Youtuber said volcano made emissions were higher than human made ...
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Is there a collective name given to regions in the ocean which have been studied to affect climate? [closed]

Would calling them hotspots be correct?
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1answer
110 views

Is there consensus amongst climatologists that cold weather extremes are caused by global warming or human influence?

Is there consensus amongst climatologists that cold weather extremes are caused by global warming or human influence? I hear the claim a lot that the recent cold weather extremes (such as the polar ...
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1answer
222 views

If US emissions went to zero how long until global emissions reach current levels

Given the current global CO2 emission trends, if the US overnight magically went to zero emissions (without affecting worldwide emissions), how many years until global CO2 emissions return to exactly ...
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212 views

Would more or less land be usable if global temperatures rose?

I think a large portion of the earth's land is unusable from being too cold and land that is too hot does not have enough water and dries out which could be fixed by diverging water to those areas. ...
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1answer
155 views

Where can I find information about monthly seasonal change in a given area?

I have searched Google for almost an hour with no result. I'm looking for something like, "Indonesia, January to August is rain season, September to December is hot season". I can't use the old ...
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132 views

Is pollution a contributing factor to freezing rain?

I have been to different places with nearly the same freezing temperatures, around -2°C, but only at some specific places I repetitively experienced freezing rain. One common factor at these places ...
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1answer
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Do daily operations (max, min etc) on climate model data reference different periods because of UTC?

If I calculate daily accumulated precipitation or daily maximum temperature from global climate data, will I be getting statistics over different local times, because the operation uses the climate ...
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76 views

Is the effect of Earths position relative to sun large or small compared to CO2 level in climate change?

A recent answer by Camilo Rada for "What place on Earth is closest to the Sun?" inspires this question. He makes clear that significant changes in the wander of the earth through its orbit results in ...
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2answers
233 views

How much climate history can be reconstructed using marine sediment cores?

Today I learnt in college that marine sediments can be used to reconstruct the climate up to 500 million years back. I find that number very strange because in another class we learnt that the ocean ...
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Where can I download recent precipitation data for Cape Town

I need data on monthly precipitation for Cape Town between 1970 and 2018. I found this page: http://cip.csag.uct.ac.za/webclient2/datasets/ But it only seems to offer information until 2000. It's the ...
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What was the highest temperature ever recorded on the surface of Earth?

The article entitled "54 Celsius degrees in Iran, the highest temperature ever recorded?" says 56,6 Celsius may be the highest temperature ever recorded, in Death Valley, California, and it also ...
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351 views

Why is a future increase in solar luminosity by 10% supposed to have disastrous consequences for life on earth when the last 30% did not?

One remarkable thing about the climate history of earth is that despite the fact that solar luminosity was fully 30% lower in the beginning, temperatures were actually quite close to today. Since then ...
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1answer
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Are there natural-forcings climate projections over the 21st century?

CMIP5 offers natural-forcings-only simulations over 1850-2005, which allows comparison with the historical simulations, which allows us to show how anthropogenic forcings have affected the climate ...
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139 views

How is heavy rainfall determined in National Climate Assessment

I'm trying to understand/reproduce/revise this chart in the Southeast section of the United States National Climate Assessment. The truncated scale for the bars is what caught by eye as a classic ...
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2answers
263 views

where to download NASA-NEX daily downscaled datasets?

I'm looking to download a small geographic area of the CMIP5 models part of NASA-NEX dataset. Previously I relied on the Planet OS OpenNEX GDDP website which had a great tool for selecting geographic ...
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4answers
192 views

Could dust blown up by a comet impact render the air unbreathable?

In the docudrama Super Comet After the Impact, the impact is shown to have made the air within a few miles of it unbreathable, and humans need gas masks to breath in this area. How realistic is this? ...
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1answer
72 views

On what basis are hurricanes,cyclones or typhoons named? [duplicate]

now its well known that common names are used to name weather storms but on what bases are they named ? is it the person who first notices them ? Is it the the most common name in the region where the ...
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1answer
63 views

Why are climate anomalies calculated relative to 1981-2010 average?

What is the purpose for doing this? Is it inaccurate to calculate anomalies for variables such as sea surface temperature and precipitation based on a different time period?
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Is this a contradiction in Wikipedia's definition of temperate zone?

Under the Wikipedia article Temperate climate Temperate climate in the introduction is describes: In geography, the temperate or tepid climates of Earth occur in the middle latitudes, which span ...
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1answer
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How to classify the ENSO phase of a year?

I am using the ONI index to classify the years of high rainfall seasons (December–February) as El Niño, Neutral or La Niña. El Niño year is classified as one if the ONI index value is +0.5 °C for 5 ...
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1answer
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What would happen to the Earth if there were no seasons?

If the Earth was in a fixed equinox state, what would the equilibrium temperature be at each pole? Assume daily cycle and convection and so on operate as usual, just that it's permanent sunset at both ...
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390 views

Are clouds more common at night?

Clouds obviously have a strong effect on surface temperatures. By blocking sunlight they can decrease the temperature by several degrees. At night they have a blanket effect that traps warm air and ...
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63 views

How is the vertical distribution of water vapor changing?

In this publication about data assimilation and observations (paywall alert) in the chapter General Concepts in Meteorology and Dynamics (by Andrew Charlton-Perez, William Lahoz, Richard Swinbank, ...
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How Warm would the Earth have to get for any crops to grow in the Antarctic Peninsula/South Orkneys

I found some little silly speculation about settling Antarctica when it warms up, and I wanted to know the minimum amount the world would have to warm up in order for just the most equator-ward ...
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2answers
468 views

How to best visualize temperature increase (due to climate change) using GHCN data?

Immediately below is an illustration of my first/prototype attempt to visualize this, which is further explained after that... What you're looking at is a year-by-year animation of TMAX (daily max ...
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2answers
449 views

What are good metrics to compare climates?

I'm interested in visualizing climate data across the conterminous U.S. to determine regions that I would be interested in living in. So far, I've pulled in NOAA data, and I've: averaged the maximum ...
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1answer
76 views

Are La-Nina and positive Indian Ocean dipole similar?

Because in both the cases, the warm water/ increase in temperature is seen on the east side of Africa. Does not they mean that they carry rain bearing clouds from east of Africa to India, resulting ...
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1answer
192 views

Are there resources for determining what percentage of the earth's surface is occupied by air conditioned spaces?

EDIT: My goal with this question was to better understand the impact of cooling systems on local urban environments, but its been pointed out I am asking the incorrect questions for the answer's Im ...
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1answer
155 views

Geological evidence about climate change: has there ever been a period with a rate of climate change as great as it is today?

Most statistics about climate change are based on climate data over the last 150 year (as long as records have been kept). This seems irrelevant in terms of the geological time scale of temperature ...
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1answer
56 views

How to split climate modes of variability into positive, negative and neutral phases?

How can I split all the climate modes of variability that you can find here, into positive, negative and neutral phases? I know that depending on the climate mode there exist different methods of ...
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2answers
305 views

Sensible and Latent Heat. how to separate them

I need help with latent and sensible heat. P.S: I have been through all Wikipedia and other pages that say phase change and temperature change. My Question is: if there is convection, it will take ...
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Can cloud seeding make a much hotter summer, at a middle latitude, at the area that receives less water than expected?

My country, Spain (40ºN), receives clouds from the Atlantic Ocean during the summer. Our most visited beaches are on the Eastern coast, which sits on the Mediterranean Sea, there is typically more dry ...
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1answer
188 views

What was the percentage of land mass in prehistoric times when temperatures were high enough that we had no ice caps?

I grew curious after watching a presentation about the large creatures of prehistoric times. One of the theories cited about why creatures were so big was the increased oxygen in the atmosphere due to ...
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277 views

regression map vs correlation map

What is the exact difference between regression and correlation maps? I know that they are often used in climate science but which is the difference in the information they provide? Here an example I ...
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1answer
164 views

Where on Earth is the most windless lake with its own micro climate sea breeze?

Would a circular lake have enough of sea breeze strong to create a gentle vortex in the center of the lake? Is there such a place on Earth where lake micro climate vortexes occur frequently? The ...
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137 views

Do 360 day calendars affect climate models?

I was recently reading Zach Holman's blogpost on time and remembering that I've had to work with CMIP5 output that used a 360 day calendar, rather than a 365 day or a Greogrian (or Proleptic Gregorian)...
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2answers
188 views

What kind of climate could you expect in a mountainous area in a subtropical region?

More specifically, I'm trying to work out climate analogues for my farm. It's at 5200-6200ft in South India. My area is a bit too small for the Köppen Map to correctly reveal patterns. I'll be ...
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1answer
34 views

monthly temperatue by state

I am trying to find out monthly average temperature and average rainfall for states of USA from 2015 to 2017. To my surprise I am not able to find it anywhere. Please help. I could find this link - ...
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1answer
640 views

Every 202,500 years, Earth wanders in a new direction; does it affect climate?

I refer to this article on nytimes.com: Every 202,500 Years, Earth Wanders in a New Direction TLDR: Scientists believe the earth's orbit oscillates between circular and more elliptical due to the ...
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1answer
161 views

Permian-Triassic mass extinction. Consequences on Earth's system

Coming from this post: Causes of fluctuations in atmospheric oxygen in past 300 Mya I believe there are a lot of questions still unanswered about Permian-Triassic mass extinction, but I ask only ...
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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?...
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Where I find the info about what plants, trees can be planted in a locality

I would like to know what plants, trees can be planted in a locality. I wanted this info around the globe based on latitude and longitude or by some other means. Is there a source organisation/source ...
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1answer
72 views

What is the better way to deal the missing and negative cells of satellite snow cover data

Daily and monthly MODIS snow cover L3 data has downloaded, next to deal with missing and negative cells. Different types of interpolation are being used to fill the missing cells. I want to fill the ...
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1answer
266 views

Why does Colorado have so many days of partly cloudy skies?

So I found a map of the US that shows the number of partly cloudy days in different areas of the country. It seems that Florida is the only state with more partly cloudy days. Partly cloudy days are ...

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