Questions tagged [rain]
The rain tag has no usage guidance.
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Odour from Tenant after it rains
I own a furniture business which is located next to a dog daycare. When it rains the stench of the dog daycare appears in my space. We recognize the smell as it is identical to what you smell when ...
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Is 1 inch of rain in an hour enough to damage growing crops?
An odd discussion came up on a role-playing game forum recently. Some people were speculating about how a mediaeval society would be different if it had wizards, with the spells described in the game ...
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Are halcyon days an actual phenomenon?
According to Greek mythology, halcyon days are
the seven days in winter when storms never occur. [Wikipedia]
I assume that Ancient Greeks noticed a period in winter during which the weather was ...
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Calculating total daily rainfall from a tipping bucket rain gauge
I am trying to calculate total daily rainfall based on data from a tipping bucket rain gauge which is calibrated to a tip of 0.2mm. I have data giving the exact time that a tip is recorded and have ...
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Why is equatorial Africa wetter in the west than the east? [duplicate]
Looking at equatorial Africa in Google Maps, the western part – Guinea, the Congo – is the dark green of tropical rain forest that I would expect of a wet equatorial region, by analogy with the Amazon ...
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Are terms like "Extremely Torrential Rain" (>500 mm/24 hours) universal in meteorology?
Meteorological phenomenon can span large ranges in size and strength and categorizations exist based on thresholds, One example is the Saffir–Simpson hurricane wind scale (SSHWS) (see also NOAA)
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What are those precipitation and water droplet characterization instruments called that they put on meteorological aircraft? How do they work?
A long time ago I did some reading on Mie scattering and atmospheric particulate counting and I got sidetracked on raindrop characterization.
I remember reading about light and laser based ...
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Rapidly rising land after rain seen in India? What can cause this?
I came across a video where a piece of land was seen rising very rapidly after rain. The land got elevated within a few minutes by atleast a meter.
Can anyone suggest possible mechanisms?
I am sharing ...
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Ways to make a "How hard is it raining?" detector for personal use?
Is there a consensus on the "heaviness" of rain? and Relationship between Probability of Precipitation and Predicted Amount of Rain remind me of a gedankenexperiment of mine. I like to ...
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Relationship between Probability of Precipitation and Predicted Amount of Rain [duplicate]
If a popular website provides an hourly forecast, and it states at 12:00pm there will be a 20% chance of precipitation and 2.5 mm of rain...
What does the "2.5 mm of rain" mean?
(A) ... If ...
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Is there a consensus on the "heaviness" of rain?
As part of the home dashboard I am developing, I get information about incoming rain. It is given in mm/min.
Is there a consensus on the precipitation rate that is called "light rain", or &...
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Why are rain weather predictions (apparently) so unreliable still in the year 2021?
A year or so ago, I finally implemented a little mechanism which, every five minutes, fetches weather data from SMHI (Swedish official organization, having kept track of temperatures and stuff since ...
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What is the maximum size that a drop of rainwater can reach?
This USGS article: "Raindrops are Different Sizes" assures:
We can call the growing droplet a raindrop as soon as it reaches the size of 0.5mm in diameter or bigger. If it gets any larger ...
user20559
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Can clouds be formed without a pollen particle's role?
I read online that it is scientifically proven that pollen particles can trigger cloud formation
"is that true"?
if true ,does it mean that no clouds can be formed without pollen particles' ...
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If we could green the Sahara, would it be able to sustain itself?
Let's say at some point in the future we have an abundance of fresh water (for example because we have enough energy to power many desalination plants) and we can turn the Sahara into green land by ...
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Tipping bucket rain gauge measurement, normalizing
I have bought this cheap rain gauge (only the rain gauge, not the other parts) for measuring rainfall with a Raspberry Pi. It works as far as I can tell, every bucket swing will result in an interrupt ...
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Can they still not predict rain even one week in advance?
Every ten minutes, I make an API call to the SMHI's API with the GPS coordinates less than 1 km from here (which cannot possibly matter for accuracy, but does for privacy). SMHI is the Swedish weather ...
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How to curb losses during annual heavy rainfalls
Every year I see these sort of news articles where states are flooded particularly due to their geographical location and vicinity to flood prone areas, however year after year there is no improvement ...
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Rain during Hot Weather
During hot weather, it is uncommon for there to be rain without lightning and thunder if the weather is hot. I find that the general rule of thumb is that if it is raining while it is 70 degrees or ...
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Is pollution the reason why rainbows are so rare nowadays?
Today I saw a rainbow after almost a decade. I live in Noida (a city) in India. Most people I know believe that: we don't see rainbows nowadays because of pollution and now after nearly 3 months since ...
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Asian South West Monsoon - Rainfall in South East Coast of India
So Indian peninsula has v shaped mountain ranges. Western ghats and Eastern ghats as shown in the picture.
During Summer Monsoon, the wind flows from Indian ocean to land mass, and due to Coriolis ...
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Rain Water vs Sprinkler Irrigation
During the rainy season, the crops like corn, cotton are found to be growing faster. Studies shows that the thermoelectric fixation of gaseous Nitrogen during rain storm accelerates the plants growth ...
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Conditions of Thunderstorms
Why do some heavy rainstorms and hailstorms not produce any lightning or thunder at all when I thought that these conditions of heavy rain and hail are right to bring lightning and thunder but don’t ...
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Thunderstorms in the Great Smoky Mountains [duplicate]
What time of the year does it rain the least in the Great Smoky Mountains National Park and what month gets the least amount of thunderstorms
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Temperate Rainforests
I have heard that the Appalachian Mountains is qualified as a temperate rainforest. What qualifies a temperate rainforest and what makes the Appalachian Mountains a temperate rainforest?
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Thunderstorms vs Thundershowers
What is the difference when the weather report says thunderstorms vs when it says thundershowers and the picture is still the same?
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Are these tropical forests burning in Brazil and elsewhere really rainforests?
I know from many years of personal experience in the Malaysian rainforest (Sarawak, Sabah and Peninsular Malaya) that it is not inflammable. Dayaks and aborigines cultivate small patches of shifting ...
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What is the difference between dew and rain?
What is the main difference between dew and rain?
Would it be correct if we say that rain is done in the upper troposphere while dew done in the lower troposphere? Or there are better definitions for ...
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Chloride ions for the salty seawater
Where does the chloride ions that are required for the salty taste of sea water come from ?
I know that it is the weathering caused by the slightly acidic (due to dissolution of CO2 with water) rain ...
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Is there a way to approximate the density of air during rain?
Given a rate of precipitation (in mm3/hour), and average droplet diameter, is is it possible to calculate (or even ballpark) the density of the air+rain droplets at time of rainfall?
What I mean is, ...
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Can airplanes trigger rain?
A lady was telling me that the lower clouds were contrails left from plane exhausts. I looked up and there were none I could see in the sky she pointed to Stratocumulus Clouds. I did not want to tell ...
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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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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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What happens if it rains above the boiling point of water?
The freezing point of water is 32°F. If it rains at a temperature lower than that, it will snow. However, let's say we dig a deep hole not filled with water that goes like 10,000 feet below sea level. ...
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Why is there no desert in Southeast China?
Arabia, Sahara and Southeast China and India all are on the tropic of Cancer yet Southeast China and India are not deserts. I know that India is not a desert because of monsoon wind which causes heavy ...
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Why do rivers sometimes travel down the opposite side of the mountains from where the rain happens?
My teacher explained that when wind coming from the ocean gets blocked by a mountain it makes rain on one side of the mountain, like in the image below. This rain leads to the creation of rivers.
(...
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What does a mm of rain mean?
Lots of people have explained it over many sites but I still can not confidently say that I know what it means when they say Hong Kong experienced 3mm of rainfall last Friday.
Does it mean that 3mm ...
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What are typical ranges of rainfall drop sizes, speeds, and areal or volume densities?
I'd like to look into the possibility of using a Raspberry Pi and the PiCam module to detect rain, and to try to make some measurements of droplet size and rate. This could be done using an LED flash ...
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How to tell the difference between real rain and fake rain (cloud seeding)?
I live in a city where the pollution is bad, so bad that sometimes we get 'fake' rain (from cloud seeding). This may last for an extended period.
There have been times before when it has “rained” and ...
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Why are all rainbows are not the same? [closed]
How does these rainbows water drops differ? I know it has to do with the size of water drops refracting light.
Is there a formula that determines the type of rainbow?
Icebow
Unlike this questions ...
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Why is thunder and lightning rare, even though it rains frequently?
Why in some places (for example Dublin, Ireland) the thunder and lightning is such a rare thing even though it rains so frequently?
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National Weather Service "average daily/yearly" (temp, rainfall) life cycle?
Does anyone know the "life-cycle" of the averages used for daily and yearly temperatures and rainfall by the National Weather Service?
I have lived in the same (semi-desert) area for over 40 yrs, and ...
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Why does it rain during the sunny day?
What are factors that cause rainfall while the sun is still shining. The phenomena is known as sunshower?
The information I found so far is very limited. Please help me answer this question if you ...
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Reason for rotting smell after first rain of the season?
Last day we had first rain after 3-4 months of hot&dry weather, and within 3-4 minutes a rotting smell came from nowhere. Due this smell I had running nose for a day. What might be the reason for ...
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What would the pH of rainwater be if carbon dioxide in the atmosphere doubled?
Natural rain water is slightly acidic (pH = 5.6) since there is carbon dioxide in the atmosphere that dissolves to make carbonic acid.
What would be the pH of rainwater if carbon dioxide in the ...
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What is a pre-monsoon shower? Is there any distinguishing feature between monsoon and pre-monsoon showers?
While attending a lecture about monsoon, our professor mentioned about pre-monsoon showers. However, he never bothered to explain it. So, what is a pre-monsoon shower and what are its distinguishing ...
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By how much can rain temperature vary from the ground-level air temperature?
I'm guessing that falling rain equilibrates fairly quickly to the temperature of the air it's falling through. However, it isn't always at the exact same temperature, which is why we can get the ...
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How effective is seeding rainclouds? What are the indications for initiating seeding?
I've heard that dry ice, iodides have been used as seeding agents to induce rainfall. Is this technique really being used widely? What are the prerequisites for initiating seeding? Is it as bounteous ...
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Does rain (temporarily) deplete the surrounding atmosphere of carbon dioxide?
CO2 in the air dissolves into rain water, making them slightly acidic. Is that enough to deplete the surrounding air out of CO2? If yes, how fast does this occur? Is it only with the first drops of ...
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