<html><head></head><body><div class="ydp5d471d86yahoo-style-wrap" style="font-family: bookman old style, new york, times, serif; font-size: 16px;"><div style=""><div dir="ltr" data-setdir="false" style="font-size: 16px; font-family: bookman old style, new york, times, serif;">Hi everybody,</div><div dir="ltr" data-setdir="false" style="font-size: 16px; font-family: bookman old style, new york, times, serif;">I hope you are doing well.</div><div dir="ltr" data-setdir="false" style="font-size: 16px; font-family: bookman old style, new york, times, serif;">I tried to read "2 metre temperature" from ERA5-Land nc file. This nc file include about 10 years, all months (12 months), all days (365 days), and all hours (24 hours) with size about 7 GB. I used following simple lines:</div><div dir="ltr" data-setdir="false" style="font-size: 16px; font-family: bookman old style, new york, times, serif;"><br></div><div dir="ltr" data-setdir="false" style="font-size: 16px;"><font face="courier new, courier, monaco, monospace, sans-serif">dr = "./"</font></div><div dir="ltr" data-setdir="false" style="font-size: 16px;"><font face="courier new, courier, monaco, monospace, sans-serif">fn = "era5land.nc"</font></div><div dir="ltr" data-setdir="false" style="font-size: 16px;"><font face="courier new, courier, monaco, monospace, sans-serif">fin = addfile(dr+fn, "r")</font></div><div dir="ltr" data-setdir="false" style="font-size: 16px;"><font face="courier new, courier, monaco, monospace, sans-serif">t2mera = fin->t2m(:,::-1,:)</font></div><div dir="ltr" data-setdir="false" style="font-size: 16px;"><font face="courier new, courier, monaco, monospace, sans-serif">printVarSummary(t2mera)</font></div><div dir="ltr" data-setdir="false" style="font-size: 16px; font-family: bookman old style, new york, times, serif;"><br></div><div dir="ltr" data-setdir="false" style="font-size: 16px; font-family: bookman old style, new york, times, serif;">Output is like following lines:</div><div dir="ltr" data-setdir="false" style="font-size: 16px; font-family: bookman old style, new york, times, serif;"><br></div><div dir="ltr" data-setdir="false" style="font-size: 16px;"><div style=""><div dir="ltr" data-setdir="false" style=""><font face="courier new, courier, monaco, monospace, sans-serif">Type: short</font></div><div style=""><font face="courier new, courier, monaco, monospace, sans-serif">Dimensions and sizes: [time | 87648] x [latitude | 151] x [longitude | 251]</font></div><div style=""><font face="courier new, courier, monaco, monospace, sans-serif">Coordinates:</font></div><div style=""><font face="courier new, courier, monaco, monospace, sans-serif"> time: [955488..1043135]</font></div><div style=""><font face="courier new, courier, monaco, monospace, sans-serif"> latitude: [25..40]</font></div><div style=""><font face="courier new, courier, monaco, monospace, sans-serif"> longitude: [40..65]</font></div></div><br></div><div dir="ltr" data-setdir="false" style="font-size: 16px; font-family: bookman old style, new york, times, serif;">However, if I use short2flt as below:</div><div dir="ltr" data-setdir="false" style="font-size: 16px;"><font face="courier new, courier, monaco, monospace, sans-serif">t<span style="color: rgb(0, 0, 0); font-size: 16px;">2meras = short2flt(fin->t2m(:,::-1,:))</span></font></div><div dir="ltr" data-setdir="false" style="font-size: 16px; font-family: bookman old style, new york, times, serif;"><span><span style="color: rgb(0, 0, 0); font-family: bookman old style, new york, times, serif; font-size: 16px;"><br></span></span></div><div dir="ltr" data-setdir="false" style="">Following error occurred:</div><div dir="ltr" data-setdir="false" style="font-size: 16px; font-family: bookman old style, new york, times, serif;"><span><span style="color: rgb(0, 0, 0); font-family: bookman old style, new york, times, serif; font-size: 16px;"><br></span></span></div><div dir="ltr" data-setdir="false" style="font-size: 16px;"><div style=""><div style=""><font face="courier new, courier, monaco, monospace, sans-serif">fatal:NclMalloc Failed:[errno=12]</font></div><div style=""><font face="courier new, courier, monaco, monospace, sans-serif">fatal:Could not coerce values for operation</font></div><div style=""><font face="courier new, courier, monaco, monospace, sans-serif">fatal:["Execute.c":8637]:Execute: Error occurred at or near line 2013 in file /usr/local/ncl6.6/lib/ncarg/nclscripts/csm/contributed.ncl</font></div></div><div style="font-family: bookman old style, new york, times, serif;"><br></div><div style="" dir="ltr" data-setdir="false"><span style="font-family: bookman old style, new york, times, serif;">Then it mentioned the line with the "</span><font face="courier new, courier, monaco, monospace, sans-serif">short2flt</font>" command.</div><div style="font-family: bookman old style, new york, times, serif;" dir="ltr" data-setdir="false"><br></div><div style="font-family: bookman old style, new york, times, serif;" dir="ltr" data-setdir="false">I'll be thankful if I have any help.<br></div></div><div style="font-size: 16px; font-family: bookman old style, new york, times, serif;"><br></div><div class="ydp5d471d86signature" style="font-size: 16px; font-family: bookman old style, new york, times, serif;"><div dir="ltr" style="font-family:old times, serif;font-size:16px;"><div><div dir="ltr" style="color:rgb(0, 0, 0);font-family:old times, serif;font-size:16px;"><i><font size="2">-----------------------------------------------------------------------------</font></i></div><div dir="ltr" style="color:rgb(0, 0, 0);font-family:old times, serif;font-size:16px;"><i><font size="2">Sincerely,</font></i></div><div dir="ltr" style="color:rgb(0, 0, 0);font-family:old times, serif;font-size:16px;"><i><font size="2">Ehsan Taghizadeh</font></i></div></div><br></div></div></div></div></body></html>