Task for a coursera course This repotz uses the US National Ocianic and Atmospheric Adiminstration (NOAA) storm database (1950- 2011) to identify which severe weather event types are 1. Most harmful to the health of the population 2. have the greatest economic consequences. we load the raw data file (csv.bz2)directly, standardize event lavels, and compute total fatalities, injuries and inflation unadjusted property and crop damages. we find that a smal number of event classes dominate impacts, which tornados leading human harm and floods driving economic losses. Methods and code are below.