Questions tagged [rainfall]

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Using salinity to predict rainfall

Recently, a new method has been proposed by Ray Schmitt (WHOI) and collaborators to use salinity patterns in the ocean to predict weather events (more specifically, rainfall) at scales from weeks to ...
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0answers
40 views

Free historical weather data API

Where can I find a free Python API that provides historical weather data (temperature, rainfall)? I'd need data of an Italian city, at least with hourly granularity.
4
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0answers
72 views

Roughly what proportion of a cloud does 'rain out'?

What proportion of the water in a cloud will 'rain out'? Or, comparing the cloud before and after it has rained, what proportion of the water is left afterwards? I really have no idea so am just ...
3
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0answers
139 views

Desert greening - Do we have long term (several decades) data on precipitation around the Sahara?

This article of desert greening states that some areas around the Sahara have seen increased plant growth in recent decades, caused by global warming. The causal chain would be warmer air can hold ...
2
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0answers
108 views

To what degree do large lakes influence precipitation levels compared to the ocean?

I was wondering what percentage of precipitation could be estimated to have been contributed by large lakes such as the Great Lakes or Lake Baikal in the immediate vicinity of said lakes (say, within ...
2
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139 views

Correlation of El Nino and south indian monsoon

A recent article in New Scientist reports the following claim made by Wenju Cai at CSIRO Melbourne. Southern India is having a lot of rain as it goes into winter, having come out of the dry ...
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33 views

How to choose “relevant” precipitation durations for flash flood modelling?

For my thesis, I model flash floods in urban areas. A book with recommended practices says to use events with a recurrence interval of 30 and 50 years. Regarding the duration of the precipitation ...
1
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63 views

Short-term forecast of Europe by using synoptic charts

I should make a short-term forecast of Europe by using synoptic charts. I'm finding it really hard so I'd be glad if you help me. 'В' means high atmospheric pressure I'm trying to figure out the ...
1
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63 views

Changes in rainfalls, sea level and tropical cyclones

Is there any scientific evidence that exploitation of natural resources (fossil energies, forests etc.) affects rainfalls or sea level, which can represent extreme events? I read IPCC 2014 report and ...
0
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0answers
28 views

How to calculate change in volume of a container using rainfall data

I have 2 data. A container data, 3 containers(A1,A2 and A3) all are the same height, but each have varying water volume, the table consist of change of water volume (hourly) for the weeks 1 and 2. .. ...
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0answers
41 views

How to define high frequency rainfall?

I have a rainfall data set from a weather station where the data was collected at 20 minutes intervals for 10 years. I would like to peak up the high frequency rainfall cases. What are such rainfalls? ...
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47 views

Rainfall guage stations outside the watershed

How can I determine the rainfall depth for an event over the watershed, if I just have two stations, S1 and S2, that are outside the catchment? Methods I have thought of were to take the average of ...