Blog Archives

Dams in the United States from the National Inventory of Dams (NID) Database

April 7, 2014
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Dams in the United States from the National Inventory of Dams (NID) Database

There is no database containing information on all the dams in the United States. The single largest source is the National Inventory of Dams (NID) from the US Army Corps of Engineers which claims to have more than 80,000 dams. I downloaded the en...

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The Tornado Project: Annual Tornado Frequency by Location

January 21, 2014
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The Tornado Project: Annual Tornado Frequency by Location

The goal of this open source R-based analysis, as mentioned earlier (first post, second post) is to bring consistency and transparency to the analyses of publicly available Tornado data.The latest addition to the project is the analysis of local t...

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USA Drought of 2013: Analysis of High-resolution Rainfall Data Using R

January 8, 2014
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USA Drought of 2013: Analysis of High-resolution Rainfall Data Using R

The ongoing drought in California and other parts of Southwestern United States has been reported extensively by newspapers and government sites.Although rainfall deficit is technically meteorological drought, and drought could be of several other...

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The Rain Project: An R-based Open Source Analysis of Publicly Available Rainfall Data

January 6, 2014
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Rainfall data used by researchers in academia and industry does not always come in the same format. Data is often in atypical formats and in extremely large number of files and there is not always guidance on how to obtain, process and visualize the da...

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The Tornado Project: Counting Tornadoes

December 29, 2013
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The goal of this open source R-based analysis, as mentioned in my earlier post, is to bring consistency and transparency to the analyses of publicly available Tornado datasets.The project home page is on my GitHub site - https://github.com/Ra...

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The Tornado Project

December 9, 2013
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GoalBring consistency and transparency to the analyses of publicly available Tornado datasets using an R-based open source analysis.IssuesTornado data available from the NOAA Storm Prediction Center and other government agencies around the world h...

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New R package raincpc: Obtain and Analyze Rainfall data from the Climate Prediction Center (CPC)

November 26, 2013
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The Climate Prediction Center's (CPC) daily rainfall data for the entire world, 1979 - present & 50-km resolution, is one of the few high quality and long term observation-based rainfall products. Data is available at CPC's ftp site. However, it is...

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New R package emdatr: Global Disaster Losses from the EM-DAT Database

November 22, 2013
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The International Disaster Database EM-DAT from the Center for Research on the Epidemiology of Disasters (CRED, Belgium) is often used as a reference for losses on human life and property resulting from natural and man-made disasters. This databas...

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Towards the R package emdat: Losses from Global Disasters, Part 1

November 18, 2013
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The International Disaster Database, EM-DAT from the Center for Research on the Epidemiology of Disasters (CRED, Belgium) is often used as a reference for losses on human life and property resulting from natural and man-made disasters. This databa...

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New R package sheldusr: Losses from Natural Disasters in the United States

November 17, 2013
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The SHELDUS database is database on human and property losses from natural disasters in the United States. Although the data is free, downloading the data is tedious and so is cleaning and analyzing it. The new R package sheldusr comes w...

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