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October 15, 2017 05:32
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Map of active weather alerts for Texas
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| devtools::install_github("ianmcook/weatherAlerts") | |
| devtools::install_github("ianmcook/weatherAlertAreas") | |
| library(weatherAlerts) | |
| library(leaflet) | |
| alerts <- getAlerts("TX") # takes about 20 seconds | |
| severity <- alerts@data$severity | |
| colorMap <- c(Minor = "green", | |
| Moderate = "yellow", | |
| Severe = "red", | |
| Extreme = "magenta", | |
| Unknown = "white") | |
| severityColors <- unname(colorMap[severity]) | |
| leaflet() %>% | |
| addTiles() %>% | |
| addPolygons(data = alerts, color = "black", fillColor = severityColors, weight = 1) |
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At 2017-08-27 08:30 CDT in the wake of Hurricane Harvey:
