closest_dist | R Documentation |
A dataframe that gives the distance and date-time for the closest approach of each tropical storm to the mean population center of each US county in states in the eastern half of the United States. This data includes all Atlantic-basin storms between 1988 and 2018 that came within at least 250 km of at least one US county.
closest_dist
A dataframe with 409,716 rows and 7 variables:
Unique storm identifier with the storm name and year,
separated by a hyphen (e.g., "Alberto-1988",
"Katrina-2005"). Some storms are "Unnamed" or have other
generic names. In these cases, it may be preferable to identify
the storm using the first four characters of their
ATCF ID (usa_atcf_id
) and the storm season rather than
the storm ID (e.g., 'AL13-1988').
Character string with the Automated Tropical Cyclone Forecasting System ID for the storm.
Character string with the county's 5-digit Federal Information Processing Standard (FIPS) code
Character string of time, in UTC, of the closest approach of the storm to the county's population mean center, based on storm tracks linearly interpolated to 15-minute increments.
Numeric of the minimum distance (in kilometers) between the storm's track and the county's population mean center.
Character string of local time of the closest approach of the storm to the county's population mean center, based on storm tracks linearly interpolated to 15-minute increments.
Character string with date (based on local time) of the closest approach of the storm to the county's population mean center.
The minimum distance was calculated using the Great Circle method,
using the spDist
function from the sp
package.
The time of the closest approach of the storm to each county was converted from UTC
to local time using the countytimezones
package for the local_time
and closest_date
columns.
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