Validation of sea ice concentration - Asian sector
Bulletin date: 2023-11-02
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: dates bull:
| 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 |
1264 |
2209 |
181 |
423 |
76 |
5 |
0 |
0 |
| OW |
1 |
226 |
157 |
616 |
442 |
125 |
2 |
0 |
| VODI |
0 |
6 |
20 |
167 |
714 |
719 |
57 |
0 |
| ODI |
0 |
0 |
0 |
0 |
347 |
1252 |
327 |
0 |
| CDI |
0 |
0 |
0 |
0 |
252 |
3081 |
790 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
201 |
2206 |
8396 |
7820 |
|
...date precedes bulletin
|
Date: dates bull:
| 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 |
825 |
2202 |
91 |
327 |
149 |
12 |
0 |
0 |
| OW |
0 |
138 |
63 |
333 |
572 |
205 |
6 |
0 |
| VODI |
0 |
1 |
12 |
44 |
673 |
880 |
77 |
0 |
| ODI |
0 |
0 |
0 |
0 |
162 |
1050 |
307 |
0 |
| CDI |
0 |
0 |
0 |
0 |
77 |
1788 |
1133 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
2207 |
8712 |
10035 |
|
...date precedes bulletin
|
Date: dates bull:
| 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 |
1154 |
1907 |
53 |
77 |
32 |
0 |
0 |
0 |
| OW |
0 |
55 |
24 |
97 |
96 |
9 |
0 |
0 |
| VODI |
0 |
12 |
33 |
203 |
398 |
112 |
4 |
0 |
| ODI |
0 |
0 |
0 |
53 |
590 |
380 |
18 |
0 |
| CDI |
0 |
0 |
0 |
0 |
557 |
2219 |
490 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
130 |
2435 |
10175 |
10769 |
|
...date precedes bulletin
|
Date: dates bull:
| 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 |
1188 |
2015 |
11 |
4 |
0 |
0 |
0 |
0 |
| OW |
4 |
191 |
41 |
36 |
11 |
0 |
0 |
0 |
| VODI |
0 |
75 |
35 |
126 |
143 |
74 |
1 |
0 |
| ODI |
0 |
12 |
18 |
48 |
223 |
452 |
13 |
0 |
| CDI |
0 |
0 |
0 |
15 |
394 |
944 |
404 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
280 |
3291 |
10371 |
11662 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1180 |
1868 |
3 |
1 |
0 |
0 |
0 |
0 |
| OW |
11 |
303 |
30 |
26 |
2 |
0 |
0 |
0 |
| VODI |
1 |
105 |
53 |
124 |
117 |
32 |
0 |
0 |
| ODI |
0 |
17 |
17 |
55 |
180 |
374 |
12 |
0 |
| CDI |
0 |
0 |
2 |
23 |
377 |
724 |
203 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
375 |
3631 |
10574 |
11662 |
|
Date: dates bull:
| 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 |
1426 |
1624 |
2 |
1 |
0 |
0 |
0 |
0 |
| OW |
22 |
255 |
17 |
18 |
0 |
0 |
0 |
0 |
| VODI |
0 |
152 |
30 |
108 |
51 |
8 |
0 |
0 |
| ODI |
0 |
60 |
30 |
105 |
129 |
111 |
12 |
0 |
| CDI |
0 |
8 |
13 |
94 |
332 |
547 |
224 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
454 |
3983 |
10092 |
12167 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1425 |
1657 |
1 |
1 |
0 |
0 |
0 |
0 |
| OW |
21 |
212 |
14 |
11 |
0 |
0 |
0 |
0 |
| VODI |
2 |
161 |
23 |
109 |
49 |
4 |
0 |
0 |
| ODI |
0 |
56 |
41 |
108 |
138 |
97 |
10 |
0 |
| CDI |
0 |
13 |
13 |
92 |
204 |
434 |
188 |
0 |
| VCDI |
0 |
0 |
0 |
12 |
575 |
4114 |
10130 |
12167 |
|
Date: dates bull:
| 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 |
454 |
2553 |
34 |
56 |
10 |
0 |
0 |
0 |
| OW |
0 |
113 |
46 |
31 |
0 |
0 |
0 |
0 |
| VODI |
0 |
19 |
39 |
136 |
52 |
0 |
0 |
0 |
| ODI |
0 |
1 |
7 |
55 |
175 |
87 |
2 |
0 |
| CDI |
0 |
0 |
0 |
22 |
128 |
867 |
84 |
29 |
| VCDI |
0 |
0 |
0 |
0 |
37 |
3406 |
12089 |
11550 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
454 |
2314 |
31 |
42 |
9 |
0 |
0 |
0 |
| OW |
0 |
254 |
35 |
66 |
13 |
0 |
0 |
0 |
| VODI |
0 |
99 |
30 |
55 |
65 |
64 |
2 |
0 |
| ODI |
0 |
17 |
22 |
83 |
69 |
109 |
12 |
1 |
| CDI |
0 |
2 |
8 |
49 |
172 |
373 |
133 |
38 |
| VCDI |
0 |
0 |
0 |
5 |
74 |
3814 |
12028 |
11540 |
|
Date: dates bull:
| 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 |
548 |
2247 |
21 |
41 |
45 |
0 |
0 |
0 |
| OW |
0 |
220 |
34 |
53 |
9 |
0 |
0 |
0 |
| VODI |
0 |
121 |
14 |
74 |
32 |
4 |
0 |
0 |
| ODI |
0 |
51 |
29 |
30 |
89 |
60 |
1 |
0 |
| CDI |
0 |
26 |
14 |
62 |
82 |
281 |
114 |
0 |
| VCDI |
0 |
3 |
3 |
32 |
104 |
3187 |
14496 |
9955 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
548 |
2046 |
28 |
47 |
36 |
0 |
0 |
0 |
| OW |
0 |
288 |
23 |
76 |
36 |
0 |
0 |
0 |
| VODI |
0 |
131 |
13 |
51 |
82 |
93 |
10 |
0 |
| ODI |
0 |
105 |
21 |
8 |
31 |
109 |
48 |
0 |
| CDI |
0 |
67 |
18 |
49 |
51 |
224 |
143 |
0 |
| VCDI |
0 |
31 |
12 |
61 |
125 |
3106 |
14410 |
9955 |
|
Date: dates bull:
| 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 |
363 |
2047 |
40 |
72 |
38 |
6 |
0 |
0 |
| OW |
0 |
226 |
37 |
73 |
54 |
7 |
0 |
0 |
| VODI |
0 |
141 |
41 |
58 |
89 |
23 |
0 |
0 |
| ODI |
0 |
20 |
22 |
75 |
64 |
78 |
3 |
0 |
| CDI |
0 |
11 |
6 |
30 |
107 |
328 |
114 |
0 |
| VCDI |
0 |
7 |
6 |
36 |
103 |
1559 |
16080 |
10118 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
363 |
1914 |
46 |
94 |
60 |
3 |
0 |
0 |
| OW |
0 |
212 |
9 |
18 |
37 |
17 |
0 |
0 |
| VODI |
0 |
237 |
51 |
80 |
102 |
69 |
0 |
0 |
| ODI |
0 |
55 |
17 |
47 |
44 |
163 |
33 |
0 |
| CDI |
0 |
15 |
20 |
63 |
93 |
362 |
182 |
0 |
| VCDI |
0 |
19 |
9 |
42 |
119 |
1387 |
15982 |
10118 |
|
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