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aldenks merged 1 commit into from
Apr 24, 2026
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Update HDD notebook title #33

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4 changes: 2 additions & 2 deletions noaa-gfs+ecmwf-aifs-hdd.ipynb
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"cell_type": "markdown",
"id": "aad3c977",
"metadata": {},
"source": "# Quickstart: GFS vs ECMWF AIFS heating degree days at BNA - dynamical.org Icechunk Zarr\n\nSay you have an model or analysis that uses a weather forecast as input. \n\nYou're probably pretty excited to try out the rapidly proliferating AI weather forecasts, right? But building a new pipeline, understanding the init time nuances, issuance lacency, file structure, and on and on - it can be a lot of work. But it should be boring!\n\nThis notebook: \n1. Computes Heating Degree Days (HDD) at Nashville International Airport (BNA) from NOAA GFS. \n2. Demonstrates a few-character change to swap in ECMWF AIFS forecasts.\n3. Compares GFS and AIFS against hourly airport weather station observations from ASOS. \n\nHDD is just a deterministic transform of temperature, so this is a clean little test: swap the forecast model, keep everything downstream the same, and see what happens.\n\nThat is the point of the dynamical.org catalog. No format spelunking, no variable-name bingo, no special-case pipeline because one model came from a different institution with different ideas about coordinates. Open the store, run the analysis.\n\nDatasets used:\n- [NOAA GFS forecast](https://dynamical.org/catalog/noaa-gfs-forecast/)\n- [ECMWF AIFS Single forecast](https://dynamical.org/catalog/ecmwf-aifs-single-forecast/)\n- [ASOS Parquet](https://dynamical.org/catalog/asos-parquet/) - hourly global airport observations"
"source": "# Compare GFS vs ECMWF AIFS heating degree days at BNA with dynamical.org Icechunk Zarrs\n\nSay you have an model or analysis that uses a weather forecast as input. \n\nYou're probably pretty excited to try out the rapidly proliferating AI weather forecasts, right? But building a new pipeline, understanding the init time nuances, issuance lacency, file structure, and on and on - it can be a lot of work. But it should be boring!\n\nThis notebook: \n1. Computes Heating Degree Days (HDD) at Nashville International Airport (BNA) from NOAA GFS. \n2. Demonstrates a few-character change to swap in ECMWF AIFS forecasts.\n3. Compares GFS and AIFS against hourly airport weather station observations from ASOS. \n\nHDD is just a deterministic transform of temperature, so this is a clean little test: swap the forecast model, keep everything downstream the same, and see what happens.\n\nThat is the point of the dynamical.org catalog. No format spelunking, no variable-name bingo, no special-case pipeline because one model came from a different institution with different ideas about coordinates. Open the store, run the analysis.\n\nDatasets used:\n- [NOAA GFS forecast](https://dynamical.org/catalog/noaa-gfs-forecast/)\n- [ECMWF AIFS Single forecast](https://dynamical.org/catalog/ecmwf-aifs-single-forecast/)\n- [ASOS Parquet](https://dynamical.org/catalog/asos-parquet/) - hourly global airport observations"
},
{
"cell_type": "code",
Expand Down Expand Up @@ -2025,4 +2025,4 @@
},
"nbformat": 4,
"nbformat_minor": 5
}
}
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