NSF Unidata
@unidata.bsky.social
NSF Unidata Program Center. NSF Unidata exists to serve a community of researchers and educators dedicated to advancing the frontiers of Earth Systems science with data access, tools (e.g. NetCDF, AWIPS, IDV, MetPy, THREDDS, LDM), and community support.
Congratulations to the 2025 NSF Unidata Community Equipment Award grants: Tuskegee University and the University of Hawai'i at Manoa! To learn more about how NSF Unidata supports universities in building their cyberinfrastructure, see buff.ly/oRrjfAJ
October 9, 2025 at 7:23 PM
Congratulations to the 2025 NSF Unidata Community Equipment Award grants: Tuskegee University and the University of Hawai'i at Manoa! To learn more about how NSF Unidata supports universities in building their cyberinfrastructure, see buff.ly/oRrjfAJ
NSF Unidata runs on community ideas, input, and energy! Meet the new folks joining our advisory committees this fall: buff.ly/2RF27zY
August 25, 2025 at 4:35 PM
NSF Unidata runs on community ideas, input, and energy! Meet the new folks joining our advisory committees this fall: buff.ly/2RF27zY
Hoping to present at the 2026 AMS Annual Meeting? The deadline for abstracts has been extended (again) until 27 August 2025. buff.ly/haOJOvX
August 21, 2025 at 8:09 PM
Hoping to present at the 2026 AMS Annual Meeting? The deadline for abstracts has been extended (again) until 27 August 2025. buff.ly/haOJOvX
Hoping to present at the 2026 AMS Annual Meeting? The deadline for abstracts has been extended until 21 August 2025. buff.ly/lMn3PLZ
August 13, 2025 at 9:32 PM
Hoping to present at the 2026 AMS Annual Meeting? The deadline for abstracts has been extended until 21 August 2025. buff.ly/lMn3PLZ
NSF Unidata offers educators access to cloud-based JupyterHub servers tailored to their requirements. New this year: Jupyter-based access to GUI applications. Read more and learn how to request access: buff.ly/4Knt4hz
August 12, 2025 at 9:02 PM
NSF Unidata offers educators access to cloud-based JupyterHub servers tailored to their requirements. New this year: Jupyter-based access to GUI applications. Read more and learn how to request access: buff.ly/4Knt4hz
In conjunction with the AWS Open Datasets team, we are changing the AWS S3 bucket that contains up-to-date NEXRAD Level II archive data. There is a new bucket name and SNS notification topic, but no other changes. The legacy bucket name will be discontinued September 1, 2025. buff.ly/WVBvt26
August 7, 2025 at 7:07 PM
In conjunction with the AWS Open Datasets team, we are changing the AWS S3 bucket that contains up-to-date NEXRAD Level II archive data. There is a new bucket name and SNS notification topic, but no other changes. The legacy bucket name will be discontinued September 1, 2025. buff.ly/WVBvt26
New AWIPS Tips: AWIPS Production Release v23.2.1-1
View the blog for more information:
View the blog for more information:
AWIPS Tips: NSF Unidata AWIPS 23.4.1-1 Release
AWIPS Tips: NSF Unidata AWIPS 23.4.1-1 Release
buff.ly
July 18, 2025 at 3:50 PM
New AWIPS Tips: AWIPS Production Release v23.2.1-1
View the blog for more information:
View the blog for more information:
✨The 2025 NSF Unidata Community Survey closes this Friday!✨
Take 15 minutes to share your insights and help guide NSF Unidata’s efforts in the coming years. It will really help us understand your Earth science data needs.
Take the Survey: arcg.is/zLOSW
#PoweredByUnidata
Take 15 minutes to share your insights and help guide NSF Unidata’s efforts in the coming years. It will really help us understand your Earth science data needs.
Take the Survey: arcg.is/zLOSW
#PoweredByUnidata
June 16, 2025 at 5:20 PM
✨The 2025 NSF Unidata Community Survey closes this Friday!✨
Take 15 minutes to share your insights and help guide NSF Unidata’s efforts in the coming years. It will really help us understand your Earth science data needs.
Take the Survey: arcg.is/zLOSW
#PoweredByUnidata
Take 15 minutes to share your insights and help guide NSF Unidata’s efforts in the coming years. It will really help us understand your Earth science data needs.
Take the Survey: arcg.is/zLOSW
#PoweredByUnidata
✨There’s still time to share your voice in the 2025 NSF Unidata Community Survey, closing June 20!✨
Help shape how we support the Earth sciences community. The survey should take no more than 15 minutes, and will really help us understand your needs.
🔗 Survey: arcg.is/zLOSW
#PoweredByUnidata
Help shape how we support the Earth sciences community. The survey should take no more than 15 minutes, and will really help us understand your needs.
🔗 Survey: arcg.is/zLOSW
#PoweredByUnidata
June 10, 2025 at 3:01 PM
✨There’s still time to share your voice in the 2025 NSF Unidata Community Survey, closing June 20!✨
Help shape how we support the Earth sciences community. The survey should take no more than 15 minutes, and will really help us understand your needs.
🔗 Survey: arcg.is/zLOSW
#PoweredByUnidata
Help shape how we support the Earth sciences community. The survey should take no more than 15 minutes, and will really help us understand your needs.
🔗 Survey: arcg.is/zLOSW
#PoweredByUnidata
We at NSF Unidata are pleased to announce that we have now received funding from the National Science Foundation (NSF) for the next year of our five-year award. This allows us to end the current furlough of our staff and resume our operations. buff.ly/GafcZts
June 2, 2025 at 7:00 PM
We at NSF Unidata are pleased to announce that we have now received funding from the National Science Foundation (NSF) for the next year of our five-year award. This allows us to end the current furlough of our staff and resume our operations. buff.ly/GafcZts
✨There’s still time to share your voice in the 2025 NSF Unidata Community Survey!✨
As our program center plans for future work, your feedback is essential to ensure we’re meeting the evolving needs of the Earth systems science community.
🔗 Take the Survey: arcg.is/zLOSW
#PoweredByUnidata
As our program center plans for future work, your feedback is essential to ensure we’re meeting the evolving needs of the Earth systems science community.
🔗 Take the Survey: arcg.is/zLOSW
#PoweredByUnidata
NSF Unidata Community Survey
2025
arcg.is
May 27, 2025 at 3:07 PM
✨There’s still time to share your voice in the 2025 NSF Unidata Community Survey!✨
As our program center plans for future work, your feedback is essential to ensure we’re meeting the evolving needs of the Earth systems science community.
🔗 Take the Survey: arcg.is/zLOSW
#PoweredByUnidata
As our program center plans for future work, your feedback is essential to ensure we’re meeting the evolving needs of the Earth systems science community.
🔗 Take the Survey: arcg.is/zLOSW
#PoweredByUnidata
✨Calling on our community: your feedback fuels our future✨
The 2025 Unidata Community Survey is still accepting responses. By sharing your experience and ideas, you help us return better prepared to serve the Earth systems science community.
🔗 Take the Survey: arcg.is/zLOSW
#PoweredByUnidata
The 2025 Unidata Community Survey is still accepting responses. By sharing your experience and ideas, you help us return better prepared to serve the Earth systems science community.
🔗 Take the Survey: arcg.is/zLOSW
#PoweredByUnidata
NSF Unidata Community Survey
2025
arcg.is
May 20, 2025 at 3:08 PM
✨Calling on our community: your feedback fuels our future✨
The 2025 Unidata Community Survey is still accepting responses. By sharing your experience and ideas, you help us return better prepared to serve the Earth systems science community.
🔗 Take the Survey: arcg.is/zLOSW
#PoweredByUnidata
The 2025 Unidata Community Survey is still accepting responses. By sharing your experience and ideas, you help us return better prepared to serve the Earth systems science community.
🔗 Take the Survey: arcg.is/zLOSW
#PoweredByUnidata
✨Reminder: The 2025 NSF Unidata Community Survey is still accepting responses✨
Your input is vital to help shape how our program center supports the Earth systems science community, especially as we prepare to resume work.
🔗 Take the Survey: arcg.is/zLOSW
#PoweredByUnidata
Your input is vital to help shape how our program center supports the Earth systems science community, especially as we prepare to resume work.
🔗 Take the Survey: arcg.is/zLOSW
#PoweredByUnidata
NSF Unidata Community Survey
2025
arcg.is
May 12, 2025 at 3:08 PM
✨Reminder: The 2025 NSF Unidata Community Survey is still accepting responses✨
Your input is vital to help shape how our program center supports the Earth systems science community, especially as we prepare to resume work.
🔗 Take the Survey: arcg.is/zLOSW
#PoweredByUnidata
Your input is vital to help shape how our program center supports the Earth systems science community, especially as we prepare to resume work.
🔗 Take the Survey: arcg.is/zLOSW
#PoweredByUnidata
Due to the current gap in funding from the U.S. National Science Foundation (NSF), the NSF Unidata Program is pausing most operations effective 12 May 2025. Nearly all staff will be furloughed until funds from our existing NSF grant become available. For more information, see buff.ly/d2TC1Oy
NSF Unidata Pause in Most Operations
NSF Unidata Pause in Most Operations
www.unidata.ucar.edu
May 9, 2025 at 4:00 PM
Due to the current gap in funding from the U.S. National Science Foundation (NSF), the NSF Unidata Program is pausing most operations effective 12 May 2025. Nearly all staff will be furloughed until funds from our existing NSF grant become available. For more information, see buff.ly/d2TC1Oy
📝New eLearning: Supervised Machine Learning Readiness 📝
Get started with ML in the Earth systems sciences with this self-paced no- and low-code learning series. Enroll for free today on NSF Unidata eLearning!
elearning.unidata.ucar.edu/course/view....
Get started with ML in the Earth systems sciences with this self-paced no- and low-code learning series. Enroll for free today on NSF Unidata eLearning!
elearning.unidata.ucar.edu/course/view....
May 8, 2025 at 6:00 PM
📝New eLearning: Supervised Machine Learning Readiness 📝
Get started with ML in the Earth systems sciences with this self-paced no- and low-code learning series. Enroll for free today on NSF Unidata eLearning!
elearning.unidata.ucar.edu/course/view....
Get started with ML in the Earth systems sciences with this self-paced no- and low-code learning series. Enroll for free today on NSF Unidata eLearning!
elearning.unidata.ucar.edu/course/view....
Our NSF Unidata team implemented AI-NWP models on Jetstream2 cloud resources! We've shown that using FourCastNet and Pangu on Jetstream2's GPU capabilities can generate a global forecast in under 20 seconds. See our complete findings and implementation guide in the full blog post: buff.ly/kqpvqmp
Running Pretrainined AI-NWP Models, Our Experience at NSF Unidata on Jetstream2
Running Pretrainined AI-NWP Models, Our Experience at NSF Unidata on Jetstream2
www.unidata.ucar.edu
May 7, 2025 at 6:43 PM
Our NSF Unidata team implemented AI-NWP models on Jetstream2 cloud resources! We've shown that using FourCastNet and Pangu on Jetstream2's GPU capabilities can generate a global forecast in under 20 seconds. See our complete findings and implementation guide in the full blog post: buff.ly/kqpvqmp
Reposted by NSF Unidata
MetPy 1.7.0 is out! Highlights include saturation vapor pressure (including over ice) and LCL calculations, automated high/low identification, and clients for accessing S3 archives of NEXRAD L2/L3, GOES, and ML weather prediction output (from NOAA/CIRA), and more! github.com/Unidata/MetP...
Release 1.7.0 · Unidata/MetPy
Highlights
New analytic LCL calculation based on Romps (2017)
New saturation vapor pressure calculations, relative to both ice and liquid, using Ambaum (2020)
Moisture/temperature dependent gas co...
github.com
May 1, 2025 at 8:10 PM
MetPy 1.7.0 is out! Highlights include saturation vapor pressure (including over ice) and LCL calculations, automated high/low identification, and clients for accessing S3 archives of NEXRAD L2/L3, GOES, and ML weather prediction output (from NOAA/CIRA), and more! github.com/Unidata/MetP...
✨The 2025 NSF Unidata Community Survey is now live! ✨
Share your insights, support community progress.
Take 15 minutes to complete the survey, and as a thank you, you'll have the chance to enter a drawing for an NSF Unidata swag bag.
🔗 arcg.is/zLOSW
#PoweredByUnidata
Share your insights, support community progress.
Take 15 minutes to complete the survey, and as a thank you, you'll have the chance to enter a drawing for an NSF Unidata swag bag.
🔗 arcg.is/zLOSW
#PoweredByUnidata
April 28, 2025 at 4:00 PM
✨The 2025 NSF Unidata Community Survey is now live! ✨
Share your insights, support community progress.
Take 15 minutes to complete the survey, and as a thank you, you'll have the chance to enter a drawing for an NSF Unidata swag bag.
🔗 arcg.is/zLOSW
#PoweredByUnidata
Share your insights, support community progress.
Take 15 minutes to complete the survey, and as a thank you, you'll have the chance to enter a drawing for an NSF Unidata swag bag.
🔗 arcg.is/zLOSW
#PoweredByUnidata
Want a clean way to combine a Skew-T and time series in Python?
This week’s #MetPyMonday shows how to wrangle GridSpec for a tight layout with MetPy + Siphon. youtu.be/fzEJvnaXYJw?...
This week’s #MetPyMonday shows how to wrangle GridSpec for a tight layout with MetPy + Siphon. youtu.be/fzEJvnaXYJw?...
MetPy Mondays #327 – Complicated Layouts with GridSpec
YouTube video by NSF Unidata
youtu.be
April 23, 2025 at 5:24 PM
Want a clean way to combine a Skew-T and time series in Python?
This week’s #MetPyMonday shows how to wrangle GridSpec for a tight layout with MetPy + Siphon. youtu.be/fzEJvnaXYJw?...
This week’s #MetPyMonday shows how to wrangle GridSpec for a tight layout with MetPy + Siphon. youtu.be/fzEJvnaXYJw?...
The 2025 NSF Unidata Community Survey is coming next week!
By participating in the survey, you'll also have the chance to enter a drawing for a NSF Unidata swag bag!
📬 Watch your inbox or visit us here for the link once it goes live.
#PoweredByUnidata
By participating in the survey, you'll also have the chance to enter a drawing for a NSF Unidata swag bag!
📬 Watch your inbox or visit us here for the link once it goes live.
#PoweredByUnidata
April 22, 2025 at 7:04 PM
The 2025 NSF Unidata Community Survey is coming next week!
By participating in the survey, you'll also have the chance to enter a drawing for a NSF Unidata swag bag!
📬 Watch your inbox or visit us here for the link once it goes live.
#PoweredByUnidata
By participating in the survey, you'll also have the chance to enter a drawing for a NSF Unidata swag bag!
📬 Watch your inbox or visit us here for the link once it goes live.
#PoweredByUnidata
Need to know which METAR station is closest to your point of interest? Checkout this week's #metpymonday
We show you how to:
✅ Build a clean station list from MetPy
✅ Find the nearest station using KDTree
✅ Find distance with GeoPandas
#Python
youtu.be/nMTFb-8e1Nk?...
We show you how to:
✅ Build a clean station list from MetPy
✅ Find the nearest station using KDTree
✅ Find distance with GeoPandas
#Python
youtu.be/nMTFb-8e1Nk?...
MetPy Mondays #326 - Use KDTree and MetPy to Find the Nearest METAR
YouTube video by NSF Unidata
youtu.be
April 1, 2025 at 4:20 PM
Need to know which METAR station is closest to your point of interest? Checkout this week's #metpymonday
We show you how to:
✅ Build a clean station list from MetPy
✅ Find the nearest station using KDTree
✅ Find distance with GeoPandas
#Python
youtu.be/nMTFb-8e1Nk?...
We show you how to:
✅ Build a clean station list from MetPy
✅ Find the nearest station using KDTree
✅ Find distance with GeoPandas
#Python
youtu.be/nMTFb-8e1Nk?...
NSF Unidata is looking for creative people to help set the priorities and direction for our program. We need insights, ideas, and a better understanding of the science data challenges you're facing. Nominate someone (yourself?) to help us serve our community! www.unidata.ucar.edu/blogs/news/e...
March 25, 2025 at 3:52 PM
NSF Unidata is looking for creative people to help set the priorities and direction for our program. We need insights, ideas, and a better understanding of the science data challenges you're facing. Nominate someone (yourself?) to help us serve our community! www.unidata.ucar.edu/blogs/news/e...
There's still time to apply for a NSF Unidata grants to help you purchase hardware to support your Earth Systems Science project. The application process is easy, and the deadline to submit your proposal has been extended to April 7, 2025. www.unidata.ucar.edu/blogs/news/e...
March 24, 2025 at 6:25 PM
There's still time to apply for a NSF Unidata grants to help you purchase hardware to support your Earth Systems Science project. The application process is easy, and the deadline to submit your proposal has been extended to April 7, 2025. www.unidata.ucar.edu/blogs/news/e...
Tired of downloading the same data over and over? In our latest #MetPyMonday, we show you how to build a local cache for NWS soundings! Learn how to automate your data retrieval and streamline your workflow in just a few minutes. youtu.be/Pl47QBjPlu4?...
MetPy Mondays #324 - Build a Custom Local Data Cache with Python
YouTube video by NSF Unidata
youtu.be
March 7, 2025 at 12:43 AM
Tired of downloading the same data over and over? In our latest #MetPyMonday, we show you how to build a local cache for NWS soundings! Learn how to automate your data retrieval and streamline your workflow in just a few minutes. youtu.be/Pl47QBjPlu4?...
Did you know that NSF Unidata provides grants to help you purchase hardware for projects that benefit your institution and the community at large? You can still take part in the 2025 program -- applications are due by March 28, 2025. buff.ly/fx4E6Az
March 6, 2025 at 10:03 PM
Did you know that NSF Unidata provides grants to help you purchase hardware for projects that benefit your institution and the community at large? You can still take part in the 2025 program -- applications are due by March 28, 2025. buff.ly/fx4E6Az