Metop NRT Metop Offline Metop ICDR Sentinel-6 NTC Spire NRT Spire/NOAA NRT PlanetiQ/NOAA NRT CDR V1.0 Bending Angle O-B(ECMWF) Opt. Bending Angle O-B(ECMWF) Refractivity O-B(ECMWF) Refractivity O-S Refractivity S-B(ECMWF) Dry Temperature O-B(ECMWF) Temperature S-B(ECMWF) Temperature S-A(ECMWF) Pressure S-B(ECMWF) Pressure S-A(ECMWF) Pressure S-B(ECMWF) Pressure S-A(ECMWF) Specific Humidity S-B(ECMWF) Specific Humidity S-A(ECMWF) Specific Humidity S-B(ECMWF) Specific Humidity S-A(ECMWF) Refrac.: (O-B)/σB vs (O-S)/σB (ECMWF) Refractivity: RM (S-B)(O-B) (ECMWF) Refractivity: RM (S-B)(O-S) (ECMWF) Refractivity: RMS (O-B) (ECMWF) Refractivity: RM (O-S)(O-B) (ECMWF) 1D-Var: <σS/σB> Bending Angle O-B(ERA) Bending Angle O-B(ECMWF) Opt. Bending Angle O-B(ERA) Opt. Bending Angle O-B(ECMWF) Refractivity O-B(ERA) Refractivity O-B(ECMWF) Refractivity O-A(ERA) Refractivity O-S Refractivity S-B(ERA) Refractivity A(ECMWF)-A(ERA) Dry Temperature O-B(ERA) Dry Temperature O-B(ECMWF) Temperature S-B(ERA) Temperature S-A(ERA) Temperature S-A(ECMWF) Temperature A(ECMWF)-A(ERA) Pressure S-B(ERA) Pressure S-A(ERA) Pressure S-A(ECMWF) Pressure A(ECMWF)-A(ERA) Pressure S-B(ERA) Pressure S-A(ERA) Pressure S-A(ECMWF) Pressure A(ECMWF)-A(ERA) Specific Humidity S-B(ERA) Specific Humidity S-A(ERA) Specific Humidity S-A(ECMWF) Specific Humidity A(ECMWF)-A(ERA) Specific Humidity S-B(ERA) Specific Humidity S-A(ERA) Specific Humidity S-A(ECMWF) Specific Humidity A(ECMWF)-A(ERA) Refrac.: (O-B)/σB vs (O-S)/σB (ERA) Refractivity: RM (S-B)(O-B) (ERA) Refractivity: RM (S-B)(O-S) (ERA) Refractivity: RMS (O-B) (ERA) Refractivity: RM (O-S)(O-B) (ERA) 1D-Var: <σS/σB> Bending Angle O-B(ERA) Bending Angle O-B(ECMWF) Opt. Bending Angle O-B(ERA) Opt. Bending Angle O-B(ECMWF) Refractivity O-B(ERA) Refractivity O-B(ECMWF) Refractivity O-A(ERA) Refractivity O-S Refractivity S-B(ERA) Refractivity A(ECMWF)-A(ERA) Dry Temperature O-B(ERA) Dry Temperature O-B(ECMWF) Temperature S-B(ERA) Temperature S-A(ERA) Temperature S-A(ECMWF) Temperature A(ECMWF)-A(ERA) Pressure S-B(ERA) Pressure S-A(ERA) Pressure S-A(ECMWF) Pressure A(ECMWF)-A(ERA) Pressure S-B(ERA) Pressure S-A(ERA) Pressure S-A(ECMWF) Pressure A(ECMWF)-A(ERA) Specific Humidity S-B(ERA) Specific Humidity S-A(ERA) Specific Humidity S-A(ECMWF) Specific Humidity A(ECMWF)-A(ERA) Specific Humidity S-B(ERA) Specific Humidity S-A(ERA) Specific Humidity S-A(ECMWF) Specific Humidity A(ECMWF)-A(ERA) Refrac.: (O-B)/σB vs (O-S)/σB (ERA) Refractivity: RM (S-B)(O-B) (ERA) Refractivity: RM (S-B)(O-S) (ERA) Refractivity: RMS (O-B) (ERA) Refractivity: RM (O-S)(O-B) (ERA) 1D-Var: <σS/σB> Bending Angle O-B(ERA) Bending Angle O-B(ECMWF) Opt. Bending Angle O-B(ERA) Opt. Bending Angle O-B(ECMWF) Refractivity O-B(ERA) Refractivity O-B(ECMWF) Refractivity O-A(ERA) Refractivity O-S Refractivity S-B(ERA) Refractivity A(ECMWF)-A(ERA) Dry Temperature O-B(ERA) Dry Temperature O-B(ECMWF) Temperature S-B(ERA) Temperature S-A(ERA) Temperature S-A(ECMWF) Temperature A(ECMWF)-A(ERA) Pressure S-B(ERA) Pressure S-A(ERA) Pressure S-A(ECMWF) Pressure A(ECMWF)-A(ERA) Pressure S-B(ERA) Pressure S-A(ERA) Pressure S-A(ECMWF) Pressure A(ECMWF)-A(ERA) Specific Humidity S-B(ERA) Specific Humidity S-A(ERA) Specific Humidity S-A(ECMWF) Specific Humidity A(ECMWF)-A(ERA) Specific Humidity S-B(ERA) Specific Humidity S-A(ERA) Specific Humidity S-A(ECMWF) Specific Humidity A(ECMWF)-A(ERA) Refrac.: (O-B)/σB vs (O-S)/σB (ERA) Refractivity: RM (S-B)(O-B) (ERA) Refractivity: RM (S-B)(O-S) (ERA) Refractivity: RMS (O-B) (ERA) Refractivity: RM (O-S)(O-B) (ERA) 1D-Var: <σS/σB> Metop-A Metop-B Metop-C ALL Metop Metop-B Metop-C ALL Metop Sentinel-6A Sentinel-6A (GPS) Senitnel-6A (GLO) Senitnel-6A (GAL) Spire Spire (GPS) Spire (GLO) Spire (GAL) Spire (BEI) Spire (QZS) Spire (IRN) Spire Spire (GPS) Spire (GLO) Spire (GAL) Spire (BEI) Spire (QZS) Spire (IRN) PlanetiQ PlanetiQ (GPS) PlanetiQ (GLO) PlanetiQ (GAL) PlanetiQ (BEI) PlanetiQ (QZS) PlanetiQ (IRN) Metop-A (E) Metop-B (E) Metop-A (U) Metop-B (U) COSMIC-FM1 (U) COSMIC-FM2 (U) COSMIC-FM3 (U) COSMIC-FM4 (U) COSMIC-FM5 (U) COSMIC-FM6 (U) CHAMP (U) GRACE (U) ALL Metop (E) ALL Metop (U) ALL COSMIC (U) ALL Missions (EU) ALL Missions (U) All R/S Rising Setting All Mor. Ris.Mor. Set.Mor. All Eve. Ris.Eve. Set.Eve. All R/S Rising Setting All R/S Rising Setting All R/S Rising Setting Global High Mid Low NHP NHM SHM SHP 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 01 02 03 04 05 06 07 08 09 10 11 12
