Precipitable Water Vapor Tables from ECMWF ERA5 Re-Analysis for SOFIA FORCAST Flights

Version 1.0
SOFIA Data Center, 2026, "Precipitable Water Vapor Tables from ECMWF ERA5 Re-Analysis for SOFIA FORCAST Flights", https://doi.org/10.18419/DARUS-6138, DaRUS, V1
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Description

SOFIA Precipitable Water Vapor (PWV) Products for all flights with FORCAST between the year 2013 and 2022.

Each FITS file contains a HDU "DATA", which is a binary table extension with columns for Precipitable Water Vapor (PWV), Longitude, Latitude and Atmospheric Pressure as a function of in-flight time. The source for positional data is the primary GPS sensor of SOFIA (see POSSRC keyword). PWV values were derived from the ERA5 Re-Analysis from ECMWF (Hersbach, H., 2020, DOI:10.1002/qj.3803).

Note: For use of PWV values for atmospheric transmission correction by the instrument pipeline software, a specific instrument dependent conversion must be performed. Please refer to the respective documentation in the SOFIA Redux module for FORCAST for further details.

Derivation of the ECMWF PWV values and specific instrument correlations for FORCAST are explained in detail in Vacca et al., 2023, DOI:10.1088/1538-3873/ace6fa.

Percentiles, Pk, for given geographical position and flight altitude of SOFIA and season of the observations are derived from a 10 year statistics presented in Iserlohe et al., 2022, DOI:10.1088/1538-3873/ac82c5. Pk means that there is a k% probability of observing a PWV value less than Pk in flight.

The FITS files also contain some water vapor maps of the region of the flight path for data validation purposes.

Subject Astronomy and Astrophysics; Earth and Environmental Sciences
Keyword Earth's Atmosphere
Related Publication References: Hersbach, H.; Bell, B.; Berrisford, P. et al. (2020). 'The ERA5 global reanalysis'. Q J R Meteorol Soc. 146, 1999-2049.doi: 10.1002/qj.3803
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103_FO_20130531_pwv.fits
FITS - 2.3 MB
Published Jun 3, 2026
6 Downloads
MD5: 72099bc0a6eef5a633e75c26b6b10017
FITS file, 4 HDUs total: The primary HDU; 2 Table HDU(s) 1 Image HDU(s); The following recognized metadata keys have been found in the FITS file: CRVAL2; NAXIS2; NAXIS1; NAXIS; NAXIS0; CRVAL1;
DATA
104_FO_20130605_pwv.fits
FITS - 1.3 MB
Published Jun 3, 2026
1 Download
MD5: be0613380e117d5edd32ece46985e83c
FITS file, 4 HDUs total: The primary HDU; 2 Table HDU(s) 1 Image HDU(s); The following recognized metadata keys have been found in the FITS file: CRVAL2; NAXIS2; NAXIS1; NAXIS; NAXIS0; CRVAL1;
DATA
105_FO_20130612_pwv.fits
FITS - 2.5 MB
Published Jun 3, 2026
0 Downloads
MD5: b6f7db43f16a9d86d4290eb2ec42d59b
FITS file, 4 HDUs total: The primary HDU; 2 Table HDU(s) 1 Image HDU(s); The following recognized metadata keys have been found in the FITS file: CRVAL2; NAXIS2; NAXIS1; NAXIS; NAXIS0; CRVAL1;
DATA
107_FO_20130619_pwv.fits
FITS - 2.3 MB
Published Jun 3, 2026
0 Downloads
MD5: 5ba5e4881d9050674fa5e12fe07e2ea7
FITS file, 4 HDUs total: The primary HDU; 2 Table HDU(s) 1 Image HDU(s); The following recognized metadata keys have been found in the FITS file: CRVAL2; NAXIS2; NAXIS1; NAXIS; NAXIS0; CRVAL1;
DATA
108_FO_20130621_pwv.fits
FITS - 1.9 MB
Published Jun 3, 2026
0 Downloads
MD5: cde5274c0ca805357d866c9b66ed006c
FITS file, 4 HDUs total: The primary HDU; 2 Table HDU(s) 1 Image HDU(s); The following recognized metadata keys have been found in the FITS file: CRVAL2; NAXIS2; NAXIS1; NAXIS; NAXIS0; CRVAL1;
DATA
109_FO_20130626_pwv.fits
FITS - 2.4 MB
Published Jun 3, 2026
0 Downloads
MD5: 5256cbfb4b591eee8f9db3dfc2b109fc
FITS file, 4 HDUs total: The primary HDU; 2 Table HDU(s) 1 Image HDU(s); The following recognized metadata keys have been found in the FITS file: CRVAL2; NAXIS2; NAXIS1; NAXIS; NAXIS0; CRVAL1;
DATA
110_FO_20130702_pwv.fits
FITS - 1.8 MB
Published Jun 3, 2026
1 Download
MD5: ddd51077ad3c508b890dde38d34cc4d1
FITS file, 4 HDUs total: The primary HDU; 2 Table HDU(s) 1 Image HDU(s); The following recognized metadata keys have been found in the FITS file: CRVAL2; NAXIS2; NAXIS1; NAXIS; NAXIS0; CRVAL1;
DATA
128_FO_20130910_pwv.fits
FITS - 2.2 MB
Published Jun 3, 2026
1 Download
MD5: a2e44d8b1b433760a64bf54cd585a565
FITS file, 4 HDUs total: The primary HDU; 2 Table HDU(s) 1 Image HDU(s); The following recognized metadata keys have been found in the FITS file: CRVAL2; NAXIS2; NAXIS1; NAXIS; NAXIS0; CRVAL1;
DATA
129_FO_20130912_pwv.fits
FITS - 3.1 MB
Published Jun 3, 2026
0 Downloads
MD5: a132c85bf77fd64594e9faa4bd315da9
FITS file, 4 HDUs total: The primary HDU; 2 Table HDU(s) 1 Image HDU(s); The following recognized metadata keys have been found in the FITS file: CRVAL2; NAXIS2; NAXIS1; NAXIS; NAXIS0; CRVAL1;
DATA
130_FO_20130913_pwv.fits
FITS - 1.7 MB
Published Jun 3, 2026
1 Download
MD5: 91c9d8fb52f07d87fe37a717b8ba05b0
FITS file, 4 HDUs total: The primary HDU; 2 Table HDU(s) 1 Image HDU(s); The following recognized metadata keys have been found in the FITS file: CRVAL2; NAXIS2; NAXIS1; NAXIS; NAXIS0; CRVAL1;
DATA
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Curation Status History
StatusDateAssigner
2026-06-03 13:09:41Benjamin Greiner
In Review by FoKUS2026-06-03 09:12:34Dataverse Admin
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