On March 2017 NCEP NOMADS frontend servers have experimented severe troubles.
And this was repeatedly confirmed by NCEP.
In the last week and also today I'm continuing to observe tremendous slow download times for GFS 0.25 Hourly data using the grib filter tool (> http://nomads.ncep.noaa.gov/cgibin/filter_gfs_0p25.pl).
Because the last week I changed my internet provider, at this point I'm a bit confused: I can't really understand if the problems still depend on NOMADS servers or if the slow download speed is due to a poor (and unexpected) quality of service from my new internet provider.
If you also are a NOMADS gribfilter user, could kindly let me know if you're still having problems?
Thanks in advance
Marco
Slow downloads from NOMADS also for you?

 Posts: 1543
 Joined: Wed Aug 19, 2009 10:05 am
Re: Slow downloads from NOMADS also for you?
Hello,
From my logs  fastest downloads on particular installation take ~7 minutes to complete. On 30th March I had almost 40 minutes download time on one run. Currently, around 12 minutes. So, not horribly slow, but it was faster on best days. These are my stats from March 1st up to today:
Ivan
From my logs  fastest downloads on particular installation take ~7 minutes to complete. On 30th March I had almost 40 minutes download time on one run. Currently, around 12 minutes. So, not horribly slow, but it was faster on best days. These are my stats from March 1st up to today:
Code: Select all
2017030112.log:*** Downloading GFS done in 7 minutes and 28 seconds. ***
2017030200.log:*** Downloading GFS done in 7 minutes and 0 seconds. ***
2017030212.log:*** Downloading GFS done in 7 minutes and 29 seconds. ***
2017030300.log:*** Downloading GFS done in 6 minutes and 50 seconds. ***
2017030312.log:*** Downloading GFS done in 7 minutes and 30 seconds. ***
2017030400.log:*** Downloading GFS done in 6 minutes and 59 seconds. ***
2017030412.log:*** Downloading GFS done in 7 minutes and 6 seconds. ***
2017030500.log:*** Downloading GFS done in 7 minutes and 6 seconds. ***
2017030512.log:*** Downloading GFS done in 7 minutes and 19 seconds. ***
2017030600.log:*** Downloading GFS done in 7 minutes and 14 seconds. ***
2017030612.log:*** Downloading GFS done in 7 minutes and 19 seconds. ***
2017030700.log:*** Downloading GFS done in 7 minutes and 17 seconds. ***
2017030712.log:*** Downloading GFS done in 7 minutes and 24 seconds. ***
2017030800.log:*** Downloading GFS done in 7 minutes and 16 seconds. ***
2017030812.log:*** Downloading GFS done in 7 minutes and 14 seconds. ***
2017030900.log:*** Downloading GFS done in 7 minutes and 7 seconds. ***
2017030912.log:*** Downloading GFS done in 6 minutes and 41 seconds. ***
2017031000.log:*** Downloading GFS done in 6 minutes and 59 seconds. ***
2017031012.log:*** Downloading GFS done in 8 minutes and 7 seconds. ***
2017031100.log:*** Downloading GFS done in 7 minutes and 43 seconds. ***
2017031112.log:*** Downloading GFS done in 17 minutes and 19 seconds. ***
2017031200.log:*** Downloading GFS done in 7 minutes and 32 seconds. ***
2017031212.log:*** Downloading GFS done in 7 minutes and 44 seconds. ***
2017031300.log:*** Downloading GFS done in 8 minutes and 8 seconds. ***
2017031312.log:*** Downloading GFS done in 7 minutes and 5 seconds. ***
2017031400.log:*** Downloading GFS done in 12 minutes and 22 seconds. ***
2017031412.log:*** Downloading GFS done in 9 minutes and 45 seconds. ***
2017031500.log:*** Downloading GFS done in 7 minutes and 46 seconds. ***
2017031512.log:*** Downloading GFS done in 7 minutes and 45 seconds. ***
2017031600.log:*** Downloading GFS done in 7 minutes and 49 seconds. ***
2017031612.log:*** Downloading GFS done in 8 minutes and 36 seconds. ***
2017031700.log:*** Downloading GFS done in 11 minutes and 27 seconds. ***
2017031712.log:*** Downloading GFS done in 7 minutes and 40 seconds. ***
2017031800.log:*** Downloading GFS done in 17 minutes and 41 seconds. ***
2017031812.log:*** Downloading GFS done in 17 minutes and 23 seconds. ***
2017031900.log:*** Downloading GFS done in 15 minutes and 31 seconds. ***
2017031912.log:*** Downloading GFS done in 17 minutes and 1 seconds. ***
2017032000.log:*** Downloading GFS done in 15 minutes and 38 seconds. ***
2017032012.log:*** Downloading GFS done in 16 minutes and 0 seconds. ***
2017032100.log:*** Downloading GFS done in 16 minutes and 26 seconds. ***
2017032112.log:*** Downloading GFS done in 7 minutes and 47 seconds. ***
2017032200.log:*** Downloading GFS done in 8 minutes and 23 seconds. ***
2017032212.log:*** Downloading GFS done in 8 minutes and 21 seconds. ***
2017032300.log:*** Downloading GFS done in 7 minutes and 51 seconds. ***
2017032312.log:*** Downloading GFS done in 9 minutes and 4 seconds. ***
2017032400.log:*** Downloading GFS done in 7 minutes and 13 seconds. ***
2017032412.log:*** Downloading GFS done in 7 minutes and 31 seconds. ***
2017032500.log:*** Downloading GFS done in 8 minutes and 2 seconds. ***
2017032512.log:*** Downloading GFS done in 8 minutes and 6 seconds. ***
2017032600.log:*** Downloading GFS done in 7 minutes and 58 seconds. ***
2017032612.log:*** Downloading GFS done in 7 minutes and 30 seconds. ***
2017032700.log:*** Downloading GFS done in 7 minutes and 36 seconds. ***
2017032712.log:*** Downloading GFS done in 8 minutes and 40 seconds. ***
2017032800.log:*** Downloading GFS done in 15 minutes and 47 seconds. ***
2017032812.log:*** Downloading GFS done in 8 minutes and 9 seconds. ***
2017032900.log:*** Downloading GFS done in 7 minutes and 49 seconds. ***
2017032912.log:*** Downloading GFS done in 39 minutes and 53 seconds. ***
2017033000.log:*** Downloading GFS done in 30 minutes and 22 seconds. ***
2017033012.log:*** Downloading GFS done in 15 minutes and 16 seconds. ***
2017033100.log:*** Downloading GFS done in 14 minutes and 17 seconds. ***
2017033112.log:*** Downloading GFS done in 14 minutes and 49 seconds. ***
2017040100.log:*** Downloading GFS done in 22 minutes and 16 seconds. ***
2017040112.log:*** Downloading GFS done in 14 minutes and 22 seconds. ***
2017040200.log:*** Downloading GFS done in 16 minutes and 6 seconds. ***
2017040212.log:*** Downloading GFS done in 11 minutes and 58 seconds. ***
2017040300.log:*** Downloading GFS done in 13 minutes and 33 seconds. ***
Re: Slow downloads from NOMADS also for you?
Thanks Ivan.
I realized that the cause is my new telecom provider
I realized that the cause is my new telecom provider
Re: Slow downloads from NOMADS also for you?
I apologize for the incorrect assertion, and I correct: download problems are caused by NOMADS servers that serve regional tiles (grib filter).
NCEP help desk confirmed to me that problems started on March 28 and today still exist.
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