timtrice / hurdat

HURDAT is a dataset of best-track analysis for Atlantic and NE Pacific cyclones. This R package scrapes and parses that dataset.

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hurdat's Issues

Problem in EP <- get_hurdat(basin = "EP") and AL<- get_hurdat(basin = "AL")

Hello, Could you please help me with my problem!
Thanks

get_hurdat error

Hi @timtrice, I noticed the HURDAT library was no longer on CRAN and when I run get_hurdat(basin=c("AL")) I get the error below.

Error in regexpr(regex, string, perl = TRUE) : 
  invalid regular expression '([:alpha:]{2}[:digit:]{6}),\s+([[:upper:][:digit:]-]+)\s*,\s+([:digit:]+),'
In addition: Warning message:
In regexpr(regex, string, perl = TRUE) : PCRE pattern compilation error
	'POSIX named classes are supported only within a class'
	at '[:alpha:]{2}[:digit:]{6}),\s+([[:upper:][:digit:]-]+)\s*,\s+([:digit:]+),'

Wondering if you have encountered something similar? I am wondering if something with the NOAA source changed?

Add 2017 cyclones

• Update AL URL
  • Update AL dataset
• Update EP URL
  • Update EP dataset.

What are the dependencies of this script?

I tried using the script but missing dependencies
specifically R 3 doesnt recognize %>% operator

Function get_hurdat returns "Error: No such process"

Hi Tim,

I just wanted to reach out and report that the function "get_hurdat(basin = "EP")" which worked previously (I am guessing prior to the update of tidyr on July 21, 2021 (see issue #5) but my error is different that what others have reported and also I have no idea how to get around it.

Here is the error with the traceback, in case it is useful:
Error: No such process
5. vroom_(file, delim = "\001", col_names = "V1", col_types = cols(col_character()), id = NULL, skip = skip, col_select = col_select, name_repair = "minimal", na = na, quote = "", trim_ws = FALSE, escape_double = FALSE, escape_backslash = FALSE, comment = "", skip_empty_rows = skip_empty_rows, ...
4. vroom::vroom_lines(file, skip = skip, locale = locale, n_max = n_max, progress = progress, altrep = lazy, skip_empty_rows = skip_empty_rows, na = na, num_threads = num_threads)
3. .f(.x[[i]], ...)
2. purrr::map(urls, readr::read_lines)

1. get_hurdat(basin = "EP")

Thanks for all your work on this package!

archived in CRAN

Not sure the best way to ask... but I noticed the package has been achieved in CRAN. Just wanted to let you know in case you weren't aware.

Problem with the regex for the first Huricane (AL)

Hello, the Key value and other tags from the first row of data is not read by the get_hurdat function (for the Atlantic Huricane data set).

I think using the next line should be OK to have this done :
"grep(pattern = "^[[:space:]*[:alpha:]{2}[:digit:]{6}]|[[:digit:]]{8}", x = txt)"

Thanks for your work on this library and in advance for the update.

HURDAT data in R package - new N/A's by mistake?

Issue found via email:

Hi, I was using the HURDAT package in R, and there are 29 N/A values in Longitude where the data previously held either values of -99 or 0. The prior values seem to be correct as they are on the track of the hurricane compared to other points. It's possible that a few may appear a little bit off, but in general, it seems that the -99 and 0 values may have been mistaken for N/A's.

These are the storms with the N/A's for Longitude:

[1] "AL188102" "AL188605" "AL190302" "AL190902" "AL191003" "AL193305"
[7] "AL193313" "AL194201" "AL195403" "AL195801" "AL197103" "AL197414"
[13] "AL197507" "AL197910" "AL198004" "AL198011" "AL198112" "AL198303"
[19] "AL198303" "AL198605" "AL198607" "AL199405" "AL199506" "AL199907"
[25] "AL200015" "AL200514" "AL200704" "AL201112" "AL201308"

20 # 26 # 28 are were previously longitude zero. "AL198605" "AL200514" "AL201112"

The others were all previously longitude - 99.

HURDAT/R/hurdat.R

Line 297 in 8330628

hurdat[hurdat == "0"] <- NA