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

Validation of sea ice concentration - Full domain

Bulletin date: 2019-06-27

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

Model vs. observations, sea ice class contingency tables

Date: 2019-06-21:

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 79871 23245 502 3348 660 17 10 0
OW 13 553 179 2675 1355 42 2 0
VODI 0 132 32 1504 5359 599 7 0
ODI 0 57 4 308 4807 3173 57 0
CDI 0 42 13 218 4039 9478 754 0
VCDI 0 0 0 1 1108 7587 21651 13646
...date precedes bulletin

Date: 2019-06-23:

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 79723 24849 557 3289 779 65 3 0
OW 10 633 177 2476 2376 117 0 0
VODI 0 172 46 1238 5116 1687 7 0
ODI 0 50 3 323 3754 3006 47 0
CDI 0 58 15 260 3202 10026 1130 0
VCDI 0 2 0 7 1445 9592 19569 11239
...date precedes bulletin

Date: 2019-06-25:

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 81258 25014 566 2947 664 68 0 0
OW 10 584 184 2621 987 34 1 0
VODI 0 170 21 1990 4747 166 5 0
ODI 0 166 15 345 7442 1594 28 0
CDI 0 23 2 131 2444 13280 1244 0
VCDI 0 0 0 1 1169 11815 16033 9279
...date precedes bulletin

Date: 2019-06-27:

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 81746 25956 577 3112 698 57 0 0
OW 5 478 181 2914 1723 48 1 0
VODI 0 52 29 1511 6667 442 10 0
ODI 0 56 19 317 5173 2109 24 0
CDI 0 7 4 130 3173 12890 1088 0
VCDI 0 1 0 0 1340 13652 15742 5116
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 81746 25975 606 3580 903 58 0 0
OW 5 432 150 2299 1665 61 0 0
VODI 0 76 31 1641 6286 430 10 0
ODI 0 49 16 314 5230 2058 35 0
CDI 0 17 7 150 3394 12718 926 0
VCDI 0 1 0 0 1296 13873 15894 5116

Date: 2019-06-29:

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 83469 25816 499 3203 912 54 0 0
OW 18 506 177 2969 2444 105 0 0
VODI 0 68 35 1312 6432 789 0 0
ODI 0 62 13 340 4120 2321 3 0
CDI 0 9 4 79 3148 14127 870 0
VCDI 0 0 0 2 890 15260 15620 1372
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 83473 25849 544 3732 1283 62 0 0
OW 14 436 132 2409 2334 126 0 0
VODI 0 101 34 1328 5928 825 0 0
ODI 0 57 12 326 4089 2155 11 0
CDI 0 18 6 108 3428 13896 821 0
VCDI 0 0 0 2 884 15592 15661 1372

Date: 2019-07-01:

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 85338 25883 487 2730 757 12 0 0
OW 4 577 220 2412 979 40 0 0
VODI 0 71 34 2223 4791 115 0 0
ODI 0 32 10 332 9148 904 1 0
CDI 0 7 0 61 3122 17183 466 0
VCDI 0 63 0 46 555 13966 12875 1604
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 85338 25597 528 4061 1753 52 0 0
OW 4 708 131 1910 3171 130 0 0
VODI 0 168 70 1194 5102 640 0 0
ODI 0 73 11 392 4087 1739 2 0
CDI 0 24 11 201 4432 13458 761 0
VCDI 0 63 0 46 807 16201 12579 1604

Date: 2019-07-03:

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 85611 27401 457 2948 836 21 0 0
OW 1 733 202 2562 1856 66 0 0
VODI 0 100 54 2218 4806 193 0 0
ODI 0 16 4 384 7487 1298 0 0
CDI 0 2 2 73 4836 14948 249 0
VCDI 0 0 0 1 411 17952 8908 412
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 85612 27055 487 4505 2326 81 0 0
OW 0 867 129 1711 3148 249 0 0
VODI 0 232 69 1247 4173 575 0 0
ODI 0 59 19 479 3941 1726 0 0
CDI 0 39 15 243 6180 12303 589 0
VCDI 0 0 0 1 464 19544 8568 412

Date: 2019-07-05:

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 87605 26711 425 3210 985 25 0 0
OW 5 796 211 2764 2464 64 0 0
VODI 7 84 55 2263 4250 266 0 0
ODI 0 11 5 411 7095 1622 2 0
CDI 0 0 0 62 4561 14589 489 0
VCDI 0 1 0 1 182 20471 5356 0
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 87605 26463 487 5274 2905 159 0 0
OW 5 850 116 1414 2478 273 0 0
VODI 7 219 66 1279 3982 486 0 0
ODI 0 48 17 496 3982 1659 0 0
CDI 0 22 10 247 5808 12748 931 0
VCDI 0 1 0 1 382 21712 4916 0


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