CryoSat Performance Monitoring - UCL

Sea Surface Height Anomaly Monitoring

Source: L2 GDR-A (all acquisition modes) · Variable: ssha_interp_20_ku

Interpolated sea surface height anomaly (SSHA) of each 20 Hz measurement, computed using the sea surface height interpolated to the measurement location. Unused (fill value) in LRM mode.

Acquisition mode
Area
Colour scale

Baseline-F, cycle 194: 25-Aug-2026 to 23-Sep-2026 · 263 GDR-A files · data covers 18.1 of 30 days Partial cycle processed 11-Oct-2026 01:13 UTC

Sea Surface Height Anomaly, All modes: Maps (Standard colour scale)

North Polar (>60N) Single map
Map of Sea Surface Height Anomaly, All modes (Standard colour scale). North Polar (>60N), Baseline-F, cycle 194
South Polar (<60S) Single map
Map of Sea Surface Height Anomaly, All modes (Standard colour scale). South Polar (<60S), Baseline-F, cycle 194

Sea Surface Height Anomaly, All modes: Cycle 194 Statistics

Area Records Valid Mean (m) Median (m) Std Dev (m) RMS (m) Min (m) Max (m)
Global 32,941,951 6,540,072 (19.9%) -0.01 -0.01 0.49 0.49 -32.75 32.75
North Polar (>60N) 5,641,763 3,118,081 (55.3%) 0.01 0.00 0.19 0.19 -30.92 32.75
South Polar (<60S) 5,553,821 1,961,927 (35.3%) -0.07 -0.06 0.80 0.80 -32.75 32.56

Statistics use every 20 Hz measurement of the cycle within each area. Std Dev is the population standard deviation, RMS the root mean square.

Sea Surface Height Anomaly, All modes: Trends

Baselines:
Baseline-F statistics (CSV)

Click a point to show that cycle.

Sea Surface Height Anomaly, All modes: All Cycles from Baseline-F (Standard colour scale)

Cycle Timespan Coverage (days) GlobalNorth Polar (>60N)South Polar (<60S)
194 25-Aug-2026 to 23-Sep-2026 18.1 partial Global map, cycle 194 North Polar (>60N) map, cycle 194 South Polar (<60S) map, cycle 194
193 26-Jul-2026 to 24-Aug-2026 30.0 Global map, cycle 193 North Polar (>60N) map, cycle 193 South Polar (<60S) map, cycle 193
192 26-Jun-2026 to 25-Jul-2026 22.0 partial Global map, cycle 192 North Polar (>60N) map, cycle 192 South Polar (<60S) map, cycle 192