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

Validation of sea ice concentration - American sector

Bulletin date: 2016-06-23

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

Model vs. observations, sea ice class contingency tables

Date: 2016-06-17:

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 0 1917 1853 1380 102 100 0 0
OW 0 44 203 754 171 104 0 0
VODI 0 13 98 802 642 28 0 0
ODI 0 2 26 464 1267 353 21 0
CDI 0 0 3 505 2802 5753 3428 71
VCDI 0 0 0 62 1376 3891 9912 7719
...date precedes bulletin

Date: 2016-06-19:

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 0 2181 1619 1501 58 124 0 0
OW 0 37 189 891 141 92 0 0
VODI 0 8 114 1021 694 77 0 0
ODI 0 0 34 613 1432 378 0 0
CDI 0 0 0 641 3615 5445 1558 0
VCDI 0 0 0 24 1507 4825 11004 6043
...date precedes bulletin

Date: 2016-06-21:

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 0 2198 2074 1718 62 124 0 0
OW 0 24 208 1025 173 39 0 0
VODI 0 7 28 1156 863 30 0 0
ODI 0 0 1 579 2333 237 4 0
CDI 0 0 0 274 3676 4081 567 0
VCDI 0 0 0 0 620 6324 12386 5055
...date precedes bulletin

Date: 2016-06-23:

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 0 2962 2073 1744 87 138 10 0
OW 0 104 292 842 378 38 1 0
VODI 0 16 89 973 967 92 6 0
ODI 0 7 14 639 2184 281 30 0
CDI 0 0 0 450 2803 3825 266 0
VCDI 0 0 0 7 1060 9118 11976 2394
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 2989 2099 1813 94 138 8 0
OW 0 80 269 805 291 39 3 0
VODI 0 15 89 935 1040 95 3 0
ODI 0 5 11 633 2041 366 26 0
CDI 0 0 0 466 2910 3859 335 0
VCDI 0 0 0 3 1103 8995 11914 2394

Date: 2016-06-25:

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 0 3343 2122 1841 349 147 0 0
OW 0 70 253 808 510 127 3 0
VODI 0 4 127 931 633 559 9 0
ODI 0 5 18 589 1493 1244 8 0
CDI 0 0 1 522 3050 2679 67 0
VCDI 0 0 0 65 1848 8772 8690 4979
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 3368 2182 1942 265 153 0 0
OW 0 45 211 728 460 142 0 0
VODI 0 4 104 888 755 598 8 0
ODI 0 5 23 580 1381 1117 11 0
CDI 0 0 1 557 3321 3058 101 0
VCDI 0 0 0 61 1701 8460 8657 4979

Date: 2016-06-27:

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 0 3328 2816 2119 357 135 0 0
OW 0 24 67 803 246 33 4 0
VODI 0 2 13 1147 726 70 16 0
ODI 0 1 2 369 2667 412 11 0
CDI 0 0 0 365 3439 5488 246 0
VCDI 0 0 0 5 1495 8405 8521 2534
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 3238 2538 2175 552 170 1 0
OW 0 88 169 626 647 168 14 0
VODI 0 27 150 793 729 693 17 0
ODI 0 2 32 545 1454 682 21 0
CDI 0 0 9 576 2855 3217 347 0
VCDI 0 0 0 93 2693 9613 8398 2534

Date: 2016-06-29:

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 0 3643 2717 2599 393 55 0 0
OW 0 8 44 1021 327 42 5 0
VODI 0 0 9 1089 761 83 7 0
ODI 0 0 0 417 3267 223 5 0
CDI 0 0 0 523 3691 4829 449 0
VCDI 0 0 0 10 1632 7371 8519 2127
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 3592 2400 2411 759 97 4 0
OW 0 47 206 761 763 66 7 0
VODI 0 12 124 929 1073 74 6 0
ODI 0 0 30 663 1629 240 4 0
CDI 0 0 10 819 3158 3728 827 0
VCDI 0 0 0 76 2689 8398 8137 2127

Date: 2016-07-01:

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 0 4070 2835 2499 424 32 0 0
OW 0 30 129 961 434 35 0 0
VODI 0 1 41 1199 1110 88 0 0
ODI 0 0 1 440 2600 305 0 0
CDI 0 0 0 554 2880 5465 29 0
VCDI 0 0 0 4 1251 9740 8096 613
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 3946 2498 2405 1074 75 0 0
OW 0 131 224 635 792 38 0 0
VODI 0 19 193 1027 765 70 1 0
ODI 0 5 68 716 1363 295 2 0
CDI 0 0 23 788 2950 4565 50 0
VCDI 0 0 0 86 1755 10622 8072 613


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