Questions tagged [temperature]

An objective measure of hot and cold, typically measured by a thermometer.

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3answers
74 views

How to calculate maximum and minimum mean monthly temperatures?

A quite simple question that I hope someone can help me with. I have a massive database of hourly minimum and maximum temperatures, from many automatic weather stations. I need to estimate the average ...
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What is a reasonable range of values for resistance to heat flux?

I am developing a simple parameterisation scheme script to predict surface temperature. The script calculates six heat fluxes including sensible heat flux using a resistance to heat flux parameter. ...
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Predicting the weather in two months

On Nov 1, I looked at the Dallas monthly weather averages (pasted below) and tried to predict the average temperature for Jan 2020. It's hard to see any trend, so I would simply predict 46.2 +/- 3.5 °...
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Heat at High Altitudes

Why does the temperature of let’s say 85 degrees Fahrenheit in southern California feel hotter at 7,500 ft elevation than it does at sea level?
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On the solidity of the Earth's core [duplicate]

From what I know from various textbooks, pop-science shows and my classes, the earth's core is solid. But how does the concept of solid and liquid make sense at these high temperatures.
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Is there a website where i can freely download monthly average temperatures per city?

I'm building a garden calendar app that uses the average temperature for each month to create a calendar. Are there websites that allow me to easily download this data in json format?
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Where can I find csv or json data on absolute global average temperature

I am essentially looking for a list of raw datasets without any processing. I can find anomaly datasets, but have had no luck with 100% unprocessed (other than averaging, of course) data. This data is ...
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5answers
137 views

Why is smoke considered a factor of global cooling when analyzing nuclear winter scenarios, but arent when analyzing global warming scenarios?

In many articles on the internet (I'll cite a couple for the sake of the question), smoke from the fires (composed mainly of CO2 and CO) following a nuclear war would cool the atmosphere and would ...
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1answer
38 views

Difference between isotherms and isotheres

I encounter both similar terms while reading, isotherms and isotheres. Could someone help distinguish and explain to me the difference between them?
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Did global temperature increase or drop in the last 2 years (2017-2018)?

This website Climate change global temperature from a governmental organization, shows 2 graphs , one called "History of global surface temperature since 1880" and the other called "Yearly surface ...
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Model relating reservoir releases with downstream temperature

Are there any statistical/numerical models developed relating release from reservoirs with the downstream river temperatures? I know of complicated hydrodynamic models such as CE-QUAL-W2 etc. but I am ...
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Could someone please validate the Holmes equation [closed]

Dr. Robert Holmes has converted the ideal gas law to T = P M / (ρ R) in this paper: (Molar Mass Version of the Ideal Gas Law Points to a Very Low Climate Sensitivity) with T = temperature P = near-...
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Were there times during human inhabitated Earth were Earth average temperature was hotter than today?

This article, Earth's temperature in the past 18,000 years seems to show Earth temperature during 5000-3000 years ago was approximately a degree hotter than today. Is this true, were there times ...
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How can I describe this data using a graph?

I want to know how I can put all this data into one graph. I thought that temperature can be graphed as a bar graph and precipitation could be used with a line graph. However I don't know how i can ...
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148 views

Cooling effect from the oceans in global warming

The ocean soaks up about 90 percent of the heat of climate change, because of ocean heating. When using the formula of Svante Arrhenius to calculate forcing due to atmospheric $CO_2$ $\Delta F=\alpha\...
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1answer
26 views

Definition of Surface-based atmospheric duct

I am writing a literature review for a project and I have a problem. Namely, I cannot figure out the the condition required for surface-based duct to occur. Literature does not help either. In one of ...
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1answer
66 views

What is the most optimal latitude on Earth for the generation of extreme maximum temperatures?

First question on this StackExchange, so here goes... Overall, reaching high temperatures is dependent on 2 factors: The (maximum) solar angle in the day. The greater the solar angle, the more ...
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Temperature of the earth [closed]

What are the main factors that contribute to the temperature fluctuations/cycles of a location? Is the earth's temperature cycle dictated mainly by the temperature cycle of the ocean? How does the ...
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1answer
66 views

How much energy does the Moon transfer to the Earth, does this affect the Earth's surface temperature?

I'm wondering by how much the gravitation effects, tides etc caused by the moon (and other energy such as moonlight IR) increase the surface temperature of the Earth. So how much warmer than the ...
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2answers
186 views

What was the lowest temperature ever recorded on the surface of Earth?

This article Lowest recorded temperatures lists a -89 Degrees Celsius in Vostok, Antartica as the lowest recorded temperature. However, this other article List of weather records lists a −93.2 °C (−...
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1answer
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How does total pressure affect relative humidity and how do I correct my hygrometer for pressure?

Obviously pressurized air can hold more water than regular air, so an increase in overall pressure would result in an inversely proportional decrease in relative humidity. However, I can't seem to ...
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What's the largest known range of natural temperature variations of human inhabited Earth across history?

I was reading about the ice age when temperature dropped 11 celsius degrees in relation with our current temperature. Then I found another article which says the temperature fluctuated 15 degree ...
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Estimating Diurnal Temperature Changes for a region due to Climate change?

I am working on UHI related studies. I am wondering is it possible to estimate how diurnal temperature cycle would change for a typical day of given season. Edit: Based on comment I am trying to add ...
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How much increase in the atmospheric pressure when the global temperature is elevated by 12 C?

The deep-sea temperature was $12º$C higher $50$ My ago. I would like to know how much the atmospheric pressure at sea level had decreased and how much the water-vapour changed. One can consider no ...
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How much increase in the atmospheric pressure when the global temperature is elevated by 10 C?

In this paper Temperature-dependent hypoxia explains biogeography and severity of end-Permian marine mass extinction is established a link between an increase of the global temperature by $10^\circ ...
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What are the hottest temperatures ocean life can survive at [closed]

What are the hottest average annual temperature for life in the ocean to withstand? Particularly algae This could include life from all points in earth history.
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2answers
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Temperature Advection using finite differences with gridded data

Advection of a scalar quantity, such as temperature (T), by the horizontal wind, is defined as follows: $-\textbf{U}\cdot\nabla T$ where $\textbf{U}$ is the horizontal wind vector, $\textbf{U}=(u,v)$...
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By how much did the Earth's diameter decrease due to cooling, if at all, since it was formed?

The answer to How long until Earth's core solidifies? question cites an estimation that the Earth (as a planet, not the surface of it) has cooled down by about 250K since it was formed. The question ...
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How temperature anomaly are measured

Temperature Anomaly is the measure used to show that the earth is warming. The formula for temperature anomaly involves in the subtraction of average temperature measurement over 30 years considered ...
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132 views

Rainbow dynamics?

How would steam refract light compared to fog and how would the rainbow appear? Does the temperature of the water drop or ice crystal effect the rainbow in any way? I know the size of the water drop ...
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1answer
113 views

Stratosphere height vs. Temperature based on ozone concentration

Why does temperature increase as height increases in the stratosphere (15 km - 60 km above earth), when the ozone molecules are most concentrated at about 25 km?
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Is there an approximate rate for water temperature by depth that could be modeled simply?

I know that there are a couple of questions covering latitude and longitude for water temperature, but overall I'm more interested in the rate of temperature change by depth. Thought Process: ...
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Can minimum relative humidity be greater than maximum relative humidity?

I am trying to calculate minimum and maximum daily Relative Humidity values given a min/max Specific Humidity and min/max Temperature. I found some equations here that work with the given variables, ...
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How much could Earth's temperature increase by the time we run out of oil reserves?

According to this article How long will world's oil reserves last?: At the current rate of extraction oil reserves will last 53 years. And according to this another article, Global temperature - ...
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Did temperature for the US state of Illinois reach an all-time record low 1/31/2019?

The State Climatologist Office for Illinois says the all time low temperature of Illinois was -36 °F, with a report of -37 °F in 2009 being disqualified. This morning, the station Sinnissippi ...
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Does the US National Weather Service use Celsius or Fahrenheit?

This tweet from the National Weather Service in LaCrosse, Wisconsin, USA says: We have officially hit -30 here at the NWS La Crosse office as of 520 a.m. The wind chill is -54. Be sure to dress ...
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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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1answer
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What kind of temperature unit is “cK”?

An article about ocean temperature history/modeling has this plot: Where the units are given as cK. cK does not seem to be a ...
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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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1answer
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How to predict when contrails are likely to form over a specific location using public data?

I saw the image below used as a click-attractor to an unrelated story about tourism, but found a larger version here. Contrails, or water condensation trails happen when planes pass through the ...
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How is the distribution of Argo floats managed over the Earth's oceans?

The BBC News article Climate change: Oceans 'soaking up more heat than estimated' mentions Argo floats as one technology to measure the temperature of the oceans, and links to argo.ucsd.edu where ...
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Given a 3 box model of the atmosphere,determine fraction of mass transport from lower layer

P = 300mb, Pot. Equiv. Temp = 375K P = 600mb, Pot. Equiv. Temp = 325K P = 900mb, Pot. Equiv. Temp = 350K (surface) Given that a deep convective plume sends a portion of the bottom layer to the ...
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1answer
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Given only pressure and potential equivalent temperature, can I determine other variables?

I am given a 3 box model of atmosphere where each layer is 300 mbar thick, and the potential equivalent temperature of each is given (from bottom to top - 350K, 325K, 375K). Am I able to determine ...
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When it is said that air moves from warm object to a cold object, how is it possible that air moves from high pressure area to low pressure area?

By air moving from high pressure area to low pressure area means that it's moving from colder area to a warmer area, are they both not contradictory? I might have understood something in a wrong way, ...
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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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198 views

Does the global temperature vary daily (hotter and colder days)?

Earth's current average global temperature (i.e. including hot deserts and cold polar caps) is reported be somewhere between 14°C and 16°C (depending on sources and methods). This temperature varies ...
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Could further oil drilling remove an insulation layer of the Earth cores heat? [duplicate]

Putting aside burning fossil fuels, what are the consequences of another 100 years of drilling deeper and deeper to extract oil reserves globally? Would this significant extraction remove an ...
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What if we detonated the entire worlds nuclear supply in the center of the earth? [closed]

What would the effects of detonating every single nuclear bomb currently in existence at once in the center of the earth? Would the earth simply explode into bits? Would the heat have some sort of ...
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1answer
225 views

Where on Earth has the least changing temperature? [closed]

Is there a map that shows places where the temperature changes the least season to season? Is there a place on Earth where the temperature is the most constant in a comfortable range?
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Debunking weather conspiracy with statistics - why does temperature rise then fall for last weekend in June in recent years

I have a conspiracy-prone friend who believes that people are controlling the weather to ensure good weather for a large, annual festival (last weekend in June in San Francisco). As a scientist, (not ...