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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'>Dear Dr. Bowman,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'>I really appreciated the efforts you made on downloading and processing NOAA Grib data in an R environment. I downloaded several years of NOAA historical weather forecast data (grib or grib2) and wanted to assign hourly weather data to millions of records of asthma rescue medication use with their lat/lng information. There are several things that I cannot figure out and I am grateful if you could provide suggestions:<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p> </o:p></span></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><span style='mso-list:Ignore'>1.<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='font-size:12.0pt;font-family:"Times New Roman",serif'>ReadGrib function never worked in my code: an error message always showed up as “Error in if (csv.str[1] == "cygwin warning:") { : missing value where TRUE/FALSE needed”. Could you provide some suggestions on why this occurred and how to correct for that?<o:p></o:p></span></p><p class=MsoListParagraph><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p> </o:p></span></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><span style='mso-list:Ignore'>2.<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='font-size:12.0pt;font-family:"Times New Roman",serif'>Though I could get a list of forecasts, levels and variables through the ParseModelPage function data grabbed through CrawlModels, I cannot find a way to get similar parameters on the grib and grib2 files stored locally. I believe relative path function also works in rnomads package. Any suggestions on this?<o:p></o:p></span></p><p class=MsoListParagraph><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p> </o:p></span></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><span style='mso-list:Ignore'>3.<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='font-size:12.0pt;font-family:"Times New Roman",serif'>I need assign date and time weather conditions to millions of medical records of corresponding date and time based on spatial locations. Do you have any suggestions on how to do that?<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'>Thanks,<br>Jason G. Su<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'>-----------------------------------------<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'>Jason G. Su, PhD<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'>Associate Researcher and Principal Investigator<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'>Environmental Health Sciences<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'>School of Public Health<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'>University of California, Berkeley<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'>Berkeley, CA 94720-7360<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p> </o:p></span></p></div></body></html>