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

Validation of sea ice concentration - GODAE regions

Bulletin date: 2019-07-04

Model: ARC MFC - TOPAZ

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

Model vs. observations, sea ice class contingency tables

Date: 2019-07-08

Best estimate

Forecast

Arctic Deep Basin:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 261 17 66 1 0 0 0
OW 0 28 15 142 40 0 0 0
VODI 0 0 0 191 255 0 0 0
ODI 0 0 0 5 1433 354 1 0
CDI 0 0 0 0 608 13754 455 0
VCDI 0 0 0 0 8 17090 2178 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 261 12 142 61 0 0 0
OW 0 28 19 130 110 0 0 0
VODI 0 0 1 125 561 89 0 0
ODI 0 0 0 7 607 1265 1 0
CDI 0 0 0 0 997 10947 448 0
VCDI 0 0 0 0 9 18897 2185 0

Queen Elisabeth Islands:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 240 2 40 6 0 0 0
OW 0 0 0 20 12 0 0 0
VODI 0 0 0 23 56 4 0 0
ODI 0 0 0 19 177 52 0 0
CDI 0 1 0 3 216 1402 23 0
VCDI 0 0 0 1 371 453 12 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 240 2 44 9 0 0 0
OW 0 0 0 21 26 1 0 0
VODI 0 0 0 8 64 30 0 0
ODI 0 0 0 21 90 50 0 0
CDI 0 1 0 11 259 1249 17 0
VCDI 0 0 0 1 390 581 18 0

Beaufort Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 1987 53 428 34 0 0 0
OW 0 56 14 147 53 0 0 0
VODI 0 23 8 312 369 0 0 0
ODI 0 0 0 117 2252 4 0 0
CDI 0 0 0 0 2076 1342 0 0
VCDI 0 0 0 0 0 707 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 1928 54 492 98 0 0 0
OW 0 64 8 172 154 0 0 0
VODI 0 34 8 182 553 0 0 0
ODI 0 36 3 104 1050 4 0 0
CDI 0 4 2 54 2929 1148 0 0
VCDI 0 0 0 0 0 901 0 0

Chuckchi Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 1738 2051 27 214 6 0 0 0
OW 0 36 11 147 40 0 0 0
VODI 0 0 0 104 286 0 0 0
ODI 0 0 0 7 979 7 0 0
CDI 0 0 0 0 1 0 0 0
VCDI 0 0 0 0 0 0 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 1738 2062 28 323 180 0 0 0
OW 0 25 10 115 223 0 0 0
VODI 0 0 0 30 638 0 0 0
ODI 0 0 0 4 261 7 0 0
CDI 0 0 0 0 10 0 0 0
VCDI 0 0 0 0 0 0 0 0

Siberian Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 425 43 143 1 0 0 0
OW 0 79 26 326 8 0 0 0
VODI 0 16 3 629 392 0 0 0
ODI 0 2 0 81 4025 192 0 0
CDI 0 0 0 0 409 445 0 0
VCDI 0 1 0 0 0 0 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 356 37 256 31 0 0 0
OW 0 121 25 382 102 0 0 0
VODI 0 42 9 387 1068 1 0 0
ODI 0 3 1 154 2489 270 0 0
CDI 0 0 0 0 1145 366 0 0
VCDI 0 1 0 0 0 0 0 0

Laptev Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 2228 44 159 6 0 0 0
OW 0 241 60 250 60 0 0 0
VODI 0 9 13 476 516 0 0 0
ODI 0 0 0 34 911 45 0 0
CDI 0 0 0 0 53 221 0 0
VCDI 0 0 0 0 0 0 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 2169 53 220 50 0 0 0
OW 0 259 43 264 147 0 0 0
VODI 0 50 21 355 468 0 0 0
ODI 0 0 0 79 779 242 0 0
CDI 0 0 0 1 97 24 0 0
VCDI 0 0 0 0 5 0 0 0

Kara Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 713 3739 36 151 12 1 0 0
OW 0 98 31 245 33 2 0 0
VODI 0 2 10 419 219 2 0 0
ODI 0 0 0 19 412 57 0 0
CDI 0 0 0 0 14 116 0 0
VCDI 0 0 0 0 0 0 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 713 3728 40 207 27 3 0 0
OW 0 105 27 207 47 1 0 0
VODI 0 6 10 372 285 32 0 0
ODI 0 0 0 48 330 129 0 0
CDI 0 0 0 0 1 13 0 0
VCDI 0 0 0 0 0 0 0 0

Barents Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 7430 2989 20 76 0 0 0 0
OW 0 92 24 82 10 1 0 0
VODI 0 3 6 115 75 6 0 0
ODI 0 0 0 7 174 52 0 0
CDI 0 0 0 0 16 153 0 0
VCDI 0 0 0 0 0 0 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 7430 2904 28 102 5 0 0 0
OW 0 136 7 75 34 8 0 0
VODI 0 44 15 93 132 45 0 0
ODI 0 0 0 10 84 77 0 0
CDI 0 0 0 0 20 82 0 0
VCDI 0 0 0 0 0 0 0 0

Greenland Basin:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 6557 2838 16 130 149 8 0 0
OW 0 69 12 98 81 9 0 0
VODI 0 7 0 212 160 32 0 0
ODI 0 0 0 18 865 111 0 0
CDI 0 0 0 0 58 266 0 0
VCDI 0 0 0 0 0 0 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 6557 2826 17 172 208 20 0 0
OW 0 72 10 112 223 48 0 0
VODI 0 16 1 163 366 306 0 0
ODI 0 0 0 11 438 52 0 0
CDI 0 0 0 0 78 0 0 0
VCDI 0 0 0 0 0 0 0 0

Southeast Greenland:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 11578 1227 13 61 109 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 0 0 0 0
ODI 0 0 0 0 0 0 0 0
CDI 0 0 0 0 0 0 0 0
VCDI 0 0 0 0 0 0 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 11578 1227 13 61 109 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 0 0 0 0
ODI 0 0 0 0 0 0 0 0
CDI 0 0 0 0 0 0 0 0
VCDI 0 0 0 0 0 0 0 0

Baffin Bay:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 1193 3504 54 224 77 0 0 0
OW 0 240 26 150 22 0 0 0
VODI 0 6 2 169 48 0 0 0
ODI 0 0 0 0 85 0 0 0
CDI 0 0 0 0 1 2 0 0
VCDI 0 0 0 0 0 0 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 1193 3580 64 254 88 0 0 0
OW 0 169 16 141 21 0 0 0
VODI 0 1 2 126 19 0 0 0
ODI 0 0 0 22 93 2 0 0
CDI 0 0 0 0 12 0 0 0
VCDI 0 0 0 0 0 0 0 0

Hudson Bay:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 696 4195 114 1044 266 0 0 0
OW 0 4 0 471 472 0 0 0
VODI 0 0 0 35 809 2 0 0
ODI 0 0 0 0 438 34 0 0
CDI 0 0 0 0 4 3 0 0
VCDI 0 0 0 0 0 0 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 696 4196 112 1504 1432 0 0 0
OW 0 3 2 45 424 2 0 0
VODI 0 0 0 1 133 37 0 0
ODI 0 0 0 0 0 0 0 0
CDI 0 0 0 0 0 0 0 0
VCDI 0 0 0 0 0 0 0 0

Labrador Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 17484 2420 28 200 29 0 0 0
OW 0 1 1 27 18 0 0 0
VODI 0 0 0 0 1 0 0 0
ODI 0 0 0 0 0 0 0 0
CDI 0 0 0 0 0 0 0 0
VCDI 0 0 0 0 0 0 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 17484 2419 29 222 41 0 0 0
OW 0 2 0 5 5 0 0 0
VODI 0 0 0 0 2 0 0 0
ODI 0 0 0 0 0 0 0 0
CDI 0 0 0 0 0 0 0 0
VCDI 0 0 0 0 0 0 0 0


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