Description of algorithm
Interpretation of results
Full domain
American sector
European sector
  Ice concntr, edge pos
  Contingency tables
Asian sector

Validation of sea ice concentration - European sector

Reference date: 2020-10-22

Model: GLO MFC - NEMO

Data source: OSI SAF N.H. sea ice concentration

Model vs. observations, sea ice class contingency tables

Date: 2020-10-16:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 92461 6063 45 243 61 22 3 0
OW 0 139 21 150 67 5 1 0
VODI 0 40 9 197 175 11 3 1
ODI 0 2 0 80 434 94 5 1
CDI 0 0 0 5 210 1835 329 0
VCDI 0 0 0 0 0 251 3175 2962

Date: 2020-10-18:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 91809 6845 47 212 65 22 2 0
OW 1 90 12 114 34 5 1 0
VODI 0 20 10 175 161 19 2 2
ODI 0 0 0 62 340 135 24 1
CDI 0 0 0 2 150 1627 774 2
VCDI 0 0 0 0 0 146 3919 2270

Date: 2020-10-20:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 92573 6041 69 276 66 27 4 0
OW 0 34 8 124 56 5 1 0
VODI 0 11 4 131 206 24 6 2
ODI 0 0 1 33 259 138 43 0
CDI 0 0 0 0 125 1351 1013 2
VCDI 0 0 0 0 0 88 3826 2553

Date: 2020-10-22:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 92836 5716 57 297 91 30 0 0
OW 0 57 11 144 90 11 0 0
VODI 0 2 3 121 241 19 2 0
ODI 0 0 0 18 202 135 36 1
CDI 0 0 0 0 172 1469 885 5
VCDI 0 0 0 0 0 348 3849 2252

Date: 2020-10-24:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 92112 6217 64 291 99 31 0 0
OW 168 54 17 150 95 11 2 0
VODI 0 4 1 109 208 35 4 0
ODI 0 0 0 31 179 99 24 8
CDI 0 0 0 0 140 951 1059 138
VCDI 0 0 0 0 0 175 3149 3475

Date: 2020-10-26:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 91830 6188 59 287 79 26 4 0
OW 82 287 14 144 100 11 0 0
VODI 0 17 10 123 208 48 8 3
ODI 0 0 0 29 189 100 12 3
CDI 0 0 0 4 132 902 1025 79
VCDI 0 0 0 0 0 45 2836 4216

Date: 2020-10-28:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 91378 6413 59 251 58 20 0 0
OW 169 276 13 139 60 5 0 0
VODI 0 60 9 164 196 29 0 0
ODI 0 8 3 49 275 93 3 3
CDI 0 0 1 13 157 817 810 51
VCDI 0 0 0 0 1 209 2832 4476

Date: 2020-10-30:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 91353 6335 46 244 57 11 0 0
OW 136 204 18 102 77 3 0 0
VODI 0 124 24 204 150 16 0 3
ODI 0 15 3 93 315 72 1 3
CDI 0 0 1 14 224 1044 736 40
VCDI 0 0 0 0 5 398 3309 3720


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