Validation of sea ice concentration - Asian sector
Bulletin date: 2023-10-05
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-09-29:
| 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 |
12628 |
4920 |
25 |
21 |
4 |
0 |
0 |
0 |
| OW |
0 |
896 |
230 |
244 |
22 |
5 |
0 |
0 |
| VODI |
0 |
152 |
110 |
618 |
340 |
26 |
0 |
0 |
| ODI |
0 |
29 |
25 |
196 |
1420 |
414 |
0 |
0 |
| CDI |
0 |
10 |
25 |
92 |
652 |
2355 |
186 |
0 |
| VCDI |
0 |
0 |
0 |
22 |
223 |
2801 |
3391 |
0 |
|
...date precedes bulletin
|
Date: 2023-10-01:
| 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 |
11653 |
4841 |
17 |
6 |
0 |
0 |
0 |
0 |
| OW |
1 |
1083 |
233 |
405 |
51 |
5 |
0 |
0 |
| VODI |
0 |
108 |
78 |
635 |
487 |
90 |
0 |
0 |
| ODI |
0 |
1 |
7 |
144 |
712 |
539 |
41 |
0 |
| CDI |
0 |
0 |
0 |
102 |
498 |
2321 |
514 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
56 |
1638 |
5795 |
21 |
|
...date precedes bulletin
|
Date: 2023-10-03:
| 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 |
11481 |
5297 |
37 |
19 |
0 |
0 |
0 |
0 |
| OW |
1 |
646 |
140 |
163 |
12 |
0 |
0 |
0 |
| VODI |
0 |
83 |
116 |
363 |
107 |
8 |
0 |
0 |
| ODI |
0 |
17 |
12 |
180 |
331 |
56 |
0 |
0 |
| CDI |
0 |
15 |
11 |
66 |
701 |
597 |
28 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
230 |
4428 |
6934 |
0 |
|
...date precedes bulletin
|
Date: 2023-10-05:
| 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 |
11252 |
5474 |
65 |
49 |
4 |
0 |
0 |
0 |
| OW |
1 |
602 |
127 |
158 |
66 |
0 |
0 |
0 |
| VODI |
0 |
175 |
61 |
173 |
138 |
72 |
0 |
0 |
| ODI |
0 |
53 |
46 |
154 |
128 |
133 |
0 |
0 |
| CDI |
0 |
50 |
26 |
125 |
346 |
504 |
57 |
0 |
| VCDI |
0 |
6 |
6 |
49 |
250 |
4579 |
6628 |
525 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11252 |
5532 |
92 |
83 |
7 |
0 |
0 |
0 |
| OW |
1 |
538 |
103 |
143 |
80 |
2 |
0 |
0 |
| VODI |
0 |
195 |
65 |
171 |
132 |
76 |
0 |
0 |
| ODI |
0 |
43 |
43 |
139 |
159 |
128 |
0 |
0 |
| CDI |
0 |
48 |
25 |
123 |
270 |
533 |
99 |
0 |
| VCDI |
0 |
4 |
3 |
49 |
284 |
4549 |
6586 |
525 |
|
Date: 2023-10-07:
| 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 |
9990 |
6352 |
83 |
31 |
8 |
0 |
0 |
0 |
| OW |
1 |
653 |
161 |
362 |
44 |
0 |
0 |
0 |
| VODI |
0 |
175 |
121 |
248 |
200 |
29 |
0 |
0 |
| ODI |
0 |
27 |
40 |
202 |
123 |
86 |
0 |
0 |
| CDI |
0 |
22 |
22 |
161 |
410 |
358 |
19 |
0 |
| VCDI |
0 |
1 |
3 |
49 |
169 |
3633 |
6914 |
1385 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9989 |
6245 |
82 |
38 |
8 |
0 |
0 |
0 |
| OW |
2 |
746 |
156 |
347 |
64 |
0 |
0 |
0 |
| VODI |
0 |
190 |
122 |
251 |
168 |
33 |
0 |
0 |
| ODI |
0 |
29 |
47 |
219 |
156 |
80 |
2 |
0 |
| CDI |
0 |
19 |
19 |
148 |
335 |
377 |
13 |
0 |
| VCDI |
0 |
1 |
4 |
50 |
223 |
3616 |
6918 |
1385 |
|
Date: 2023-10-09:
| 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 |
9122 |
6709 |
138 |
53 |
1 |
0 |
0 |
0 |
| OW |
0 |
574 |
222 |
288 |
15 |
0 |
0 |
0 |
| VODI |
0 |
58 |
86 |
571 |
167 |
2 |
0 |
0 |
| ODI |
0 |
3 |
6 |
159 |
357 |
14 |
19 |
0 |
| CDI |
0 |
3 |
5 |
33 |
389 |
622 |
237 |
0 |
| VCDI |
0 |
0 |
0 |
9 |
77 |
1731 |
10374 |
38 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9096 |
6219 |
126 |
73 |
6 |
0 |
0 |
0 |
| OW |
26 |
803 |
148 |
282 |
148 |
7 |
0 |
0 |
| VODI |
0 |
292 |
134 |
288 |
285 |
134 |
10 |
0 |
| ODI |
0 |
28 |
34 |
212 |
87 |
136 |
30 |
0 |
| CDI |
0 |
5 |
15 |
204 |
179 |
189 |
154 |
0 |
| VCDI |
0 |
0 |
0 |
54 |
301 |
1903 |
10436 |
38 |
|
Date: 2023-10-11:
| 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 |
7110 |
7901 |
240 |
253 |
13 |
0 |
0 |
0 |
| OW |
5 |
503 |
159 |
458 |
81 |
0 |
0 |
0 |
| VODI |
0 |
34 |
42 |
380 |
367 |
16 |
0 |
0 |
| ODI |
0 |
4 |
2 |
76 |
370 |
31 |
0 |
0 |
| CDI |
0 |
2 |
7 |
28 |
378 |
350 |
3 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
78 |
1724 |
9384 |
2078 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7115 |
7356 |
195 |
240 |
25 |
2 |
0 |
0 |
| OW |
0 |
761 |
121 |
423 |
117 |
13 |
0 |
0 |
| VODI |
0 |
260 |
70 |
291 |
479 |
105 |
0 |
0 |
| ODI |
0 |
54 |
37 |
105 |
236 |
232 |
12 |
0 |
| CDI |
0 |
13 |
27 |
95 |
254 |
299 |
68 |
0 |
| VCDI |
0 |
0 |
0 |
46 |
176 |
1470 |
9307 |
2078 |
|
Date: 2023-10-13:
| 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 |
8462 |
5917 |
207 |
257 |
29 |
0 |
0 |
0 |
| OW |
82 |
682 |
129 |
315 |
144 |
2 |
0 |
0 |
| VODI |
6 |
163 |
81 |
441 |
351 |
47 |
0 |
0 |
| ODI |
0 |
2 |
2 |
72 |
302 |
130 |
0 |
0 |
| CDI |
0 |
3 |
8 |
28 |
302 |
310 |
21 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
130 |
2143 |
5792 |
5519 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8378 |
5423 |
162 |
287 |
178 |
20 |
0 |
0 |
| OW |
152 |
898 |
127 |
361 |
190 |
72 |
0 |
0 |
| VODI |
20 |
325 |
81 |
232 |
394 |
279 |
24 |
0 |
| ODI |
0 |
90 |
26 |
88 |
167 |
333 |
39 |
0 |
| CDI |
0 |
29 |
27 |
110 |
140 |
367 |
81 |
0 |
| VCDI |
0 |
2 |
4 |
38 |
189 |
1561 |
5669 |
5519 |
|
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