Introduction to the Gap Analysis discussion

CGMS-41, WG III July 2013

Jérôme LAFEUILLE(WMO)

WMO; OBS/SAT

CGMS baseline for operational/sustained missions

Advanced VIS/IR imagery ) 6 GEO locations   IR Sounding (some hyperspectral) ) 6 GEO locations Lightning detection ) 6 GEO locations  Space Environment Monitoring ) 6 GEO locations ERB, UV sounding, Solar activity some GEO locations Multispectral VIS/IR imagery ) IR hyper-spectral sounders ) a.m., p.m., e.m MW sounders ) MW imagers – some polarimetric ) Scatterometers 2 orbital planes Altimeter constellation am,pm +reference mission Radio occultation (>10,000 occ./day) am, pm + constellation Broadband Vis/IR radiometer a.m. , p.m Narrow-band (oc colour, veg, aerolol) a.m. High Res Vis/IR a.m. constellation IT dual angle view imagery a.m. Particle detection, Magnetic field a.m., p.m Solar monitoring at least two

LEO / early morning : anticipated gap after DMSP expected deployment of a FY-3 satellite

LEO / p.m. orbit : risk of gap between SNPP and JPSS GEO: South America coverage after GOES-12 LEO/ERB: to be confirmed (FY3/ERM, JPSS/CERES) Atmospheric composition: limb sounding ? Radio-occultation: threats on COSMIC-2 funding (late 2015 & 2018)

Other «gaps» raised by WMO Exec.Council (See WP14) GPM follow-on GEO hyperspectral sounding Space Weather

Gaps with respect to the CGMS baseline

Contribution of current COSMIC RO constellationbetween 1000-1800 occultations/day

5

2016

6 satellites

equatorial orbits

2018

6 satellites

polar orbits

~ 12,000 profiles/day

~ 1,300 profiles/day

Courtesy of UCAR

To be discussed by WG III

Updating and assessing the list of main risks

Discuss actions/recommendations to mitigate the risk: Advocacy for no-gap planning Alternative mission planning Improved access to or use of, existing/planned alternative sources Communication to users ….