Validation of sea ice concentration - Asian sector
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 |
150 |
2 |
0 |
5 |
0 |
0 |
0 |
0 |
| OW |
0 |
50 |
21 |
48 |
3 |
3 |
0 |
0 |
| VODI |
0 |
12 |
24 |
111 |
57 |
20 |
3 |
1 |
| ODI |
0 |
0 |
0 |
92 |
253 |
48 |
25 |
7 |
| CDI |
0 |
0 |
0 |
5 |
530 |
1651 |
430 |
21 |
| VCDI |
0 |
0 |
0 |
0 |
511 |
2570 |
11891 |
14552 |
|
...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 |
150 |
24 |
2 |
2 |
0 |
0 |
0 |
0 |
| OW |
0 |
71 |
19 |
48 |
3 |
1 |
0 |
0 |
| VODI |
0 |
21 |
30 |
72 |
69 |
7 |
7 |
0 |
| ODI |
0 |
1 |
1 |
75 |
250 |
75 |
51 |
0 |
| CDI |
0 |
1 |
2 |
72 |
732 |
1890 |
999 |
169 |
| VCDI |
0 |
0 |
0 |
3 |
541 |
3753 |
15485 |
8470 |
|
...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 |
150 |
94 |
3 |
3 |
0 |
0 |
0 |
0 |
| OW |
0 |
59 |
26 |
31 |
13 |
2 |
0 |
0 |
| VODI |
0 |
9 |
6 |
127 |
90 |
23 |
2 |
0 |
| ODI |
0 |
1 |
1 |
93 |
519 |
71 |
14 |
0 |
| CDI |
0 |
0 |
0 |
62 |
771 |
2375 |
218 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
465 |
3141 |
16225 |
8502 |
|
...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 |
150 |
107 |
12 |
7 |
0 |
0 |
0 |
0 |
| OW |
0 |
42 |
8 |
37 |
17 |
6 |
4 |
0 |
| VODI |
0 |
10 |
12 |
128 |
95 |
32 |
6 |
0 |
| ODI |
0 |
0 |
0 |
198 |
453 |
57 |
10 |
0 |
| CDI |
0 |
0 |
0 |
111 |
1431 |
2524 |
197 |
2 |
| VCDI |
0 |
0 |
0 |
78 |
695 |
3264 |
13301 |
10102 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
150 |
107 |
12 |
14 |
0 |
0 |
0 |
0 |
| OW |
0 |
46 |
14 |
42 |
21 |
9 |
4 |
0 |
| VODI |
0 |
6 |
6 |
139 |
93 |
30 |
6 |
0 |
| ODI |
0 |
0 |
0 |
171 |
436 |
62 |
8 |
0 |
| CDI |
0 |
0 |
0 |
114 |
1456 |
2476 |
235 |
2 |
| VCDI |
0 |
0 |
0 |
79 |
685 |
3306 |
13265 |
10102 |
|
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 |
150 |
96 |
15 |
18 |
5 |
0 |
0 |
0 |
| OW |
0 |
34 |
3 |
42 |
24 |
1 |
0 |
0 |
| VODI |
0 |
15 |
12 |
146 |
129 |
16 |
4 |
0 |
| ODI |
0 |
0 |
0 |
281 |
414 |
18 |
1 |
0 |
| CDI |
0 |
0 |
0 |
301 |
1920 |
2395 |
268 |
1 |
| VCDI |
0 |
0 |
0 |
120 |
849 |
3509 |
13402 |
8907 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
150 |
102 |
15 |
24 |
7 |
0 |
0 |
0 |
| OW |
0 |
34 |
7 |
42 |
24 |
1 |
0 |
0 |
| VODI |
0 |
9 |
8 |
163 |
119 |
12 |
4 |
0 |
| ODI |
0 |
0 |
0 |
269 |
396 |
21 |
1 |
0 |
| CDI |
0 |
0 |
0 |
297 |
1921 |
2358 |
326 |
1 |
| VCDI |
0 |
0 |
0 |
113 |
874 |
3547 |
13344 |
8907 |
|
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 |
150 |
108 |
11 |
6 |
4 |
0 |
0 |
0 |
| OW |
0 |
32 |
34 |
78 |
34 |
1 |
2 |
0 |
| VODI |
0 |
0 |
8 |
477 |
255 |
11 |
2 |
0 |
| ODI |
0 |
1 |
3 |
222 |
942 |
48 |
1 |
0 |
| CDI |
0 |
0 |
3 |
138 |
1480 |
3327 |
195 |
0 |
| VCDI |
0 |
0 |
0 |
90 |
489 |
1743 |
12292 |
10909 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
150 |
101 |
15 |
7 |
9 |
0 |
0 |
0 |
| OW |
0 |
22 |
13 |
58 |
35 |
1 |
2 |
0 |
| VODI |
0 |
14 |
20 |
181 |
149 |
12 |
3 |
0 |
| ODI |
0 |
3 |
4 |
316 |
345 |
20 |
1 |
0 |
| CDI |
0 |
1 |
7 |
332 |
1879 |
2241 |
489 |
0 |
| VCDI |
0 |
0 |
0 |
117 |
787 |
2856 |
11997 |
10909 |
|
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 |
150 |
101 |
2 |
2 |
15 |
0 |
1 |
0 |
| OW |
0 |
37 |
34 |
139 |
60 |
1 |
1 |
0 |
| VODI |
0 |
3 |
22 |
551 |
243 |
10 |
0 |
0 |
| ODI |
0 |
3 |
5 |
249 |
745 |
156 |
9 |
0 |
| CDI |
0 |
4 |
18 |
170 |
1566 |
3021 |
291 |
0 |
| VCDI |
0 |
0 |
0 |
156 |
644 |
1673 |
12212 |
10802 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
150 |
98 |
2 |
5 |
15 |
0 |
1 |
0 |
| OW |
0 |
26 |
20 |
68 |
50 |
4 |
1 |
0 |
| VODI |
0 |
16 |
22 |
247 |
118 |
14 |
0 |
0 |
| ODI |
0 |
4 |
13 |
394 |
269 |
34 |
16 |
0 |
| CDI |
0 |
3 |
17 |
362 |
1732 |
2354 |
658 |
0 |
| VCDI |
0 |
1 |
7 |
191 |
1089 |
2455 |
11838 |
10802 |
|
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 |
150 |
102 |
6 |
37 |
18 |
0 |
0 |
0 |
| OW |
0 |
60 |
46 |
192 |
67 |
0 |
1 |
0 |
| VODI |
0 |
41 |
76 |
512 |
244 |
2 |
2 |
0 |
| ODI |
0 |
19 |
15 |
263 |
801 |
109 |
9 |
0 |
| CDI |
0 |
58 |
44 |
378 |
2302 |
2187 |
142 |
0 |
| VCDI |
0 |
11 |
19 |
213 |
651 |
2134 |
12096 |
10089 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
150 |
77 |
4 |
30 |
16 |
0 |
0 |
0 |
| OW |
0 |
50 |
19 |
54 |
33 |
0 |
6 |
0 |
| VODI |
0 |
47 |
45 |
283 |
119 |
15 |
21 |
0 |
| ODI |
0 |
34 |
52 |
404 |
357 |
61 |
29 |
0 |
| CDI |
0 |
47 |
50 |
515 |
2294 |
2087 |
684 |
0 |
| VCDI |
0 |
36 |
36 |
309 |
1264 |
2269 |
11510 |
10089 |
|
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