# RAP: Rapid Refresh

ESRL: https://rapidrefresh.noaa.gov/

NCEI: https://www.ncei.noaa.gov/products/weather-climate-models/rapid-refresh-update

AWS: https://registry.opendata.aws/noaa-rap/

> Benjamin, S. G., and Coauthors, 2004: An Hourly Assimilation–Forecast Cycle: The RUC. Mon. Wea. Rev., 132, 495–518, [https://doi.org/10.1175/1520-0493(2004)132<0495:AHACTR>2.0.CO;2](https://doi.org/10.1175/1520-0493(2004)132<0495:AHACTR>2.0.CO;2).

> Benjamin, S. G., and Coauthors, 2016: A North American Hourly Assimilation and Model Forecast Cycle: The Rapid Refresh. Mon. Wea. Rev., **144**, 1669–1694, <https://doi.org/10.1175/MWR-D-15-0242.1>.

```{mermaid}
gantt
  title RAP Model Sources
  axisFormat %Y
  section NCEI
  RUC : 2005-01-01, 2012-05-01
  RAP : 2012-05-01, 2022-05-01
  section Big Data Program
  RAP : 2021-02-22, 2022-02-22
```