Validation of sea ice concentration - Full domain
Bulletin date: 2024-05-30
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-05-24:
| 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 |
73173 |
14529 |
115 |
210 |
11 |
0 |
0 |
0 |
| OW |
408 |
3091 |
584 |
917 |
107 |
7 |
0 |
0 |
| VODI |
26 |
415 |
334 |
2349 |
710 |
76 |
3 |
1 |
| ODI |
1 |
78 |
69 |
1195 |
1895 |
340 |
34 |
7 |
| CDI |
0 |
87 |
61 |
947 |
3722 |
7408 |
1671 |
28 |
| VCDI |
0 |
53 |
32 |
252 |
1474 |
6716 |
29464 |
42143 |
|
...date precedes bulletin
|
Date: 2024-05-26:
| 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 |
73507 |
14420 |
80 |
123 |
21 |
0 |
0 |
0 |
| OW |
373 |
3361 |
492 |
751 |
91 |
5 |
0 |
0 |
| VODI |
1 |
571 |
455 |
2121 |
762 |
43 |
7 |
0 |
| ODI |
1 |
162 |
89 |
1403 |
1958 |
303 |
81 |
0 |
| CDI |
0 |
150 |
84 |
1023 |
4389 |
7751 |
1970 |
190 |
| VCDI |
0 |
45 |
36 |
274 |
1748 |
8334 |
39190 |
28378 |
|
...date precedes bulletin
|
Date: 2024-05-28:
| 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 |
73801 |
16036 |
150 |
172 |
18 |
0 |
0 |
0 |
| OW |
135 |
2554 |
768 |
809 |
135 |
6 |
0 |
0 |
| VODI |
0 |
314 |
318 |
3417 |
873 |
52 |
2 |
0 |
| ODI |
0 |
86 |
36 |
1023 |
3003 |
345 |
27 |
0 |
| CDI |
0 |
85 |
64 |
572 |
3888 |
8784 |
1195 |
5 |
| VCDI |
0 |
0 |
0 |
131 |
1200 |
7881 |
36583 |
30275 |
|
...date precedes bulletin
|
Date: 2024-05-30:
| 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 |
74999 |
15137 |
146 |
187 |
21 |
0 |
0 |
0 |
| OW |
7 |
2755 |
591 |
853 |
144 |
8 |
4 |
0 |
| VODI |
0 |
567 |
450 |
3105 |
736 |
69 |
11 |
0 |
| ODI |
0 |
132 |
58 |
1383 |
2788 |
393 |
93 |
0 |
| CDI |
0 |
119 |
74 |
852 |
5102 |
8502 |
1403 |
2 |
| VCDI |
0 |
0 |
1 |
190 |
1470 |
8979 |
33742 |
29670 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
74908 |
15140 |
163 |
229 |
21 |
0 |
0 |
0 |
| OW |
98 |
2660 |
546 |
846 |
158 |
10 |
4 |
0 |
| VODI |
0 |
650 |
475 |
3084 |
773 |
66 |
15 |
0 |
| ODI |
0 |
139 |
58 |
1338 |
2735 |
448 |
93 |
0 |
| CDI |
0 |
121 |
78 |
887 |
5222 |
8450 |
1432 |
2 |
| VCDI |
0 |
0 |
0 |
186 |
1352 |
8977 |
33709 |
29670 |
|
Date: 2024-06-01:
| 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 |
75642 |
14238 |
141 |
199 |
16 |
0 |
0 |
0 |
| OW |
7 |
3022 |
499 |
954 |
142 |
5 |
0 |
0 |
| VODI |
0 |
879 |
479 |
2843 |
908 |
129 |
6 |
0 |
| ODI |
0 |
245 |
123 |
1502 |
3004 |
543 |
46 |
0 |
| CDI |
0 |
309 |
99 |
1138 |
5358 |
7612 |
1654 |
1 |
| VCDI |
0 |
1 |
15 |
269 |
1845 |
8641 |
34873 |
27356 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
75625 |
14346 |
151 |
235 |
24 |
0 |
0 |
0 |
| OW |
24 |
2886 |
481 |
1083 |
154 |
10 |
0 |
0 |
| VODI |
0 |
892 |
483 |
2719 |
947 |
130 |
18 |
0 |
| ODI |
0 |
260 |
118 |
1428 |
2875 |
575 |
44 |
0 |
| CDI |
0 |
308 |
110 |
1180 |
5550 |
7590 |
1792 |
125 |
| VCDI |
0 |
2 |
13 |
260 |
1723 |
8625 |
34725 |
27232 |
|
Date: 2024-06-03:
| 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 |
76658 |
14899 |
93 |
148 |
20 |
0 |
0 |
0 |
| OW |
1 |
3444 |
1037 |
1152 |
128 |
2 |
2 |
0 |
| VODI |
0 |
389 |
159 |
4002 |
1176 |
30 |
2 |
0 |
| ODI |
0 |
67 |
38 |
939 |
5207 |
313 |
13 |
0 |
| CDI |
0 |
3 |
8 |
458 |
3621 |
9652 |
631 |
1 |
| VCDI |
0 |
17 |
0 |
147 |
1040 |
4095 |
33541 |
31610 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
76643 |
13564 |
123 |
187 |
42 |
0 |
0 |
0 |
| OW |
16 |
3369 |
477 |
1150 |
265 |
6 |
2 |
0 |
| VODI |
0 |
1107 |
480 |
2291 |
1082 |
75 |
5 |
0 |
| ODI |
0 |
380 |
130 |
1445 |
2662 |
659 |
49 |
0 |
| CDI |
0 |
381 |
108 |
1401 |
5389 |
7352 |
2846 |
83 |
| VCDI |
0 |
18 |
17 |
372 |
1752 |
6000 |
31287 |
31528 |
|
Date: 2024-06-05:
| 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 |
77035 |
15398 |
113 |
190 |
24 |
0 |
1 |
0 |
| OW |
25 |
3719 |
657 |
1138 |
169 |
18 |
1 |
0 |
| VODI |
0 |
704 |
406 |
3579 |
1187 |
76 |
3 |
0 |
| ODI |
0 |
94 |
58 |
1398 |
3553 |
446 |
35 |
0 |
| CDI |
0 |
22 |
51 |
538 |
4674 |
7704 |
1137 |
0 |
| VCDI |
0 |
179 |
15 |
390 |
1513 |
7753 |
38576 |
22164 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
77028 |
13745 |
96 |
174 |
39 |
0 |
1 |
0 |
| OW |
25 |
3864 |
416 |
1071 |
255 |
13 |
1 |
0 |
| VODI |
7 |
1435 |
438 |
2175 |
951 |
84 |
6 |
0 |
| ODI |
0 |
408 |
142 |
1724 |
2200 |
438 |
67 |
0 |
| CDI |
0 |
437 |
149 |
1450 |
5364 |
6958 |
3718 |
192 |
| VCDI |
0 |
227 |
59 |
639 |
2311 |
8504 |
35960 |
21972 |
|
Date: 2024-06-07:
| 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 |
79572 |
14209 |
106 |
214 |
28 |
0 |
0 |
0 |
| OW |
447 |
3480 |
589 |
914 |
195 |
9 |
1 |
0 |
| VODI |
1 |
1061 |
616 |
2982 |
1012 |
52 |
3 |
0 |
| ODI |
0 |
236 |
117 |
1739 |
2573 |
436 |
42 |
0 |
| CDI |
0 |
176 |
98 |
1184 |
5297 |
5863 |
1154 |
0 |
| VCDI |
0 |
35 |
56 |
567 |
1978 |
8059 |
34791 |
24851 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
79289 |
12338 |
119 |
206 |
40 |
1 |
0 |
0 |
| OW |
713 |
3325 |
380 |
900 |
190 |
17 |
8 |
0 |
| VODI |
18 |
1875 |
405 |
1795 |
956 |
91 |
54 |
0 |
| ODI |
0 |
630 |
302 |
1667 |
1491 |
506 |
175 |
3 |
| CDI |
0 |
643 |
246 |
2155 |
5703 |
5803 |
3258 |
240 |
| VCDI |
0 |
386 |
130 |
877 |
2703 |
8001 |
32496 |
24608 |
|
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