Validation of sea ice concentration - Asian sector
Bulletin date: 2024-06-27
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-06-21:
| 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 |
150 |
448 |
43 |
104 |
49 |
27 |
0 |
0 |
| OW |
0 |
702 |
181 |
174 |
79 |
58 |
0 |
0 |
| VODI |
0 |
168 |
141 |
960 |
376 |
157 |
1 |
0 |
| ODI |
0 |
11 |
27 |
470 |
2071 |
398 |
10 |
0 |
| CDI |
0 |
21 |
6 |
160 |
2562 |
4901 |
173 |
8 |
| VCDI |
0 |
0 |
0 |
6 |
854 |
10607 |
4441 |
2552 |
|
...date precedes bulletin
|
Date: 2024-06-23:
| 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 |
150 |
571 |
39 |
73 |
74 |
13 |
0 |
0 |
| OW |
0 |
787 |
156 |
222 |
117 |
59 |
0 |
0 |
| VODI |
0 |
285 |
196 |
911 |
500 |
105 |
3 |
0 |
| ODI |
0 |
43 |
43 |
503 |
2037 |
298 |
11 |
0 |
| CDI |
0 |
37 |
3 |
196 |
2873 |
4352 |
185 |
0 |
| VCDI |
0 |
0 |
0 |
56 |
1487 |
11369 |
4182 |
1160 |
|
...date precedes bulletin
|
Date: 2024-06-25:
| 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 |
150 |
847 |
51 |
69 |
68 |
13 |
0 |
0 |
| OW |
0 |
820 |
323 |
297 |
93 |
19 |
0 |
0 |
| VODI |
0 |
71 |
100 |
1422 |
470 |
61 |
0 |
0 |
| ODI |
0 |
4 |
1 |
366 |
3865 |
373 |
3 |
0 |
| CDI |
0 |
0 |
0 |
133 |
1779 |
7930 |
164 |
0 |
| VCDI |
0 |
0 |
0 |
13 |
1225 |
8325 |
3886 |
155 |
|
...date precedes bulletin
|
Date: 2024-06-27:
| 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 |
150 |
899 |
64 |
127 |
20 |
28 |
0 |
0 |
| OW |
0 |
861 |
277 |
457 |
92 |
47 |
0 |
0 |
| VODI |
0 |
91 |
129 |
1368 |
658 |
80 |
0 |
0 |
| ODI |
0 |
0 |
3 |
629 |
3321 |
295 |
0 |
0 |
| CDI |
0 |
0 |
0 |
114 |
2190 |
8171 |
583 |
0 |
| VCDI |
0 |
0 |
0 |
20 |
1113 |
8715 |
2594 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
150 |
1010 |
67 |
127 |
32 |
29 |
0 |
0 |
| OW |
0 |
759 |
258 |
483 |
110 |
42 |
0 |
0 |
| VODI |
0 |
82 |
145 |
1305 |
722 |
89 |
0 |
0 |
| ODI |
0 |
0 |
3 |
668 |
3038 |
247 |
0 |
0 |
| CDI |
0 |
0 |
0 |
121 |
2621 |
8346 |
451 |
0 |
| VCDI |
0 |
0 |
0 |
11 |
871 |
8583 |
2726 |
0 |
|
Date: 2024-06-29:
| 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 |
153 |
1079 |
85 |
150 |
50 |
0 |
0 |
0 |
| OW |
0 |
906 |
259 |
660 |
150 |
2 |
0 |
0 |
| VODI |
0 |
177 |
121 |
1410 |
774 |
11 |
0 |
0 |
| ODI |
0 |
4 |
19 |
749 |
3046 |
183 |
0 |
0 |
| CDI |
0 |
0 |
0 |
275 |
2361 |
9361 |
602 |
0 |
| VCDI |
0 |
0 |
0 |
67 |
2212 |
7787 |
443 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
153 |
1168 |
107 |
190 |
61 |
2 |
0 |
0 |
| OW |
0 |
809 |
223 |
684 |
144 |
0 |
0 |
0 |
| VODI |
0 |
186 |
139 |
1281 |
842 |
6 |
0 |
0 |
| ODI |
0 |
3 |
15 |
806 |
2714 |
180 |
0 |
0 |
| CDI |
0 |
0 |
0 |
337 |
2940 |
9150 |
454 |
0 |
| VCDI |
0 |
0 |
0 |
13 |
1892 |
8006 |
591 |
0 |
|
Date: 2024-07-01:
| 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 |
167 |
1898 |
118 |
176 |
47 |
0 |
0 |
0 |
| OW |
0 |
1106 |
526 |
450 |
83 |
2 |
0 |
0 |
| VODI |
0 |
21 |
56 |
2481 |
742 |
0 |
0 |
0 |
| ODI |
0 |
0 |
1 |
431 |
4340 |
224 |
0 |
0 |
| CDI |
0 |
0 |
0 |
278 |
2329 |
12242 |
100 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
1264 |
3417 |
593 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
167 |
1319 |
143 |
234 |
65 |
2 |
0 |
0 |
| OW |
0 |
1297 |
241 |
409 |
160 |
0 |
0 |
0 |
| VODI |
0 |
326 |
256 |
1381 |
918 |
4 |
0 |
0 |
| ODI |
0 |
77 |
52 |
1029 |
2157 |
221 |
0 |
0 |
| CDI |
0 |
6 |
9 |
628 |
3128 |
8023 |
106 |
0 |
| VCDI |
0 |
0 |
0 |
139 |
2377 |
7635 |
587 |
0 |
|
Date: 2024-07-03:
| 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 |
162 |
2300 |
123 |
141 |
42 |
0 |
0 |
0 |
| OW |
0 |
1198 |
398 |
539 |
97 |
2 |
0 |
0 |
| VODI |
0 |
99 |
165 |
2665 |
1013 |
0 |
0 |
0 |
| ODI |
0 |
4 |
10 |
492 |
3459 |
333 |
0 |
0 |
| CDI |
0 |
1 |
1 |
386 |
2547 |
11415 |
337 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
973 |
3690 |
502 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
162 |
1570 |
167 |
205 |
56 |
2 |
0 |
0 |
| OW |
0 |
1369 |
201 |
483 |
172 |
0 |
0 |
0 |
| VODI |
0 |
522 |
240 |
1530 |
871 |
10 |
0 |
0 |
| ODI |
0 |
105 |
61 |
1114 |
1955 |
366 |
0 |
0 |
| CDI |
0 |
35 |
25 |
854 |
3278 |
7921 |
56 |
0 |
| VCDI |
0 |
1 |
3 |
39 |
1799 |
7141 |
783 |
0 |
|
Date: 2024-07-05:
| 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 |
172 |
2606 |
95 |
124 |
31 |
0 |
0 |
0 |
| OW |
0 |
1333 |
360 |
570 |
98 |
2 |
0 |
0 |
| VODI |
0 |
187 |
213 |
2648 |
1111 |
6 |
0 |
0 |
| ODI |
0 |
13 |
36 |
603 |
3053 |
226 |
0 |
0 |
| CDI |
0 |
0 |
0 |
678 |
3160 |
9516 |
625 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
1090 |
3324 |
1196 |
19 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
172 |
1819 |
141 |
182 |
32 |
2 |
0 |
0 |
| OW |
0 |
1334 |
186 |
511 |
170 |
0 |
0 |
0 |
| VODI |
0 |
784 |
222 |
1462 |
787 |
23 |
0 |
0 |
| ODI |
0 |
172 |
135 |
1178 |
1726 |
576 |
0 |
0 |
| CDI |
0 |
30 |
20 |
1177 |
4085 |
7222 |
254 |
0 |
| VCDI |
0 |
0 |
0 |
114 |
1743 |
5251 |
1567 |
19 |
|
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