Validation of sea ice concentration - American sector
Bulletin date: 2023-11-23
Data source: OSI SAF N.H. 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 |
8190 |
2603 |
147 |
248 |
47 |
0 |
0 |
0 |
| OW |
130 |
86 |
23 |
202 |
365 |
0 |
0 |
0 |
| VODI |
47 |
34 |
22 |
151 |
791 |
83 |
0 |
0 |
| ODI |
4 |
4 |
6 |
82 |
592 |
303 |
15 |
0 |
| CDI |
0 |
1 |
0 |
49 |
529 |
1097 |
42 |
17 |
| VCDI |
0 |
0 |
0 |
35 |
200 |
3371 |
6472 |
19878 |
|
...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 |
6510 |
3821 |
187 |
278 |
47 |
1 |
0 |
0 |
| OW |
30 |
235 |
30 |
147 |
233 |
130 |
0 |
0 |
| VODI |
8 |
101 |
25 |
185 |
371 |
302 |
1 |
0 |
| ODI |
2 |
7 |
1 |
108 |
428 |
432 |
75 |
0 |
| CDI |
0 |
0 |
0 |
40 |
322 |
735 |
224 |
18 |
| VCDI |
0 |
0 |
0 |
13 |
135 |
2105 |
6811 |
21768 |
|
...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 |
6265 |
4319 |
245 |
94 |
33 |
0 |
0 |
0 |
| OW |
26 |
163 |
75 |
178 |
0 |
0 |
0 |
0 |
| VODI |
10 |
55 |
24 |
269 |
170 |
2 |
0 |
0 |
| ODI |
0 |
7 |
1 |
114 |
503 |
155 |
1 |
0 |
| CDI |
0 |
0 |
0 |
31 |
496 |
947 |
66 |
9 |
| VCDI |
0 |
0 |
0 |
20 |
184 |
2670 |
7707 |
21027 |
|
...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 |
4446 |
5644 |
255 |
297 |
37 |
0 |
0 |
0 |
| OW |
8 |
231 |
72 |
217 |
20 |
0 |
0 |
0 |
| VODI |
0 |
73 |
39 |
294 |
99 |
12 |
0 |
0 |
| ODI |
0 |
2 |
14 |
105 |
356 |
173 |
0 |
0 |
| CDI |
0 |
0 |
0 |
44 |
301 |
622 |
17 |
7 |
| VCDI |
0 |
0 |
0 |
1 |
331 |
3680 |
7702 |
20767 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4445 |
5704 |
264 |
322 |
34 |
0 |
0 |
0 |
| OW |
9 |
184 |
66 |
207 |
20 |
0 |
0 |
0 |
| VODI |
0 |
59 |
38 |
272 |
118 |
8 |
0 |
0 |
| ODI |
0 |
3 |
12 |
119 |
303 |
206 |
0 |
0 |
| CDI |
0 |
0 |
0 |
36 |
346 |
630 |
18 |
10 |
| VCDI |
0 |
0 |
0 |
2 |
323 |
3643 |
7701 |
20764 |
|
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 |
5373 |
4450 |
167 |
211 |
32 |
18 |
0 |
0 |
| OW |
57 |
285 |
94 |
220 |
46 |
4 |
0 |
0 |
| VODI |
19 |
66 |
43 |
268 |
135 |
19 |
0 |
0 |
| ODI |
2 |
6 |
15 |
133 |
253 |
38 |
0 |
0 |
| CDI |
0 |
0 |
3 |
35 |
307 |
465 |
10 |
0 |
| VCDI |
0 |
0 |
0 |
22 |
262 |
2946 |
7136 |
22726 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5383 |
4544 |
187 |
270 |
37 |
18 |
0 |
0 |
| OW |
54 |
200 |
77 |
183 |
55 |
2 |
0 |
0 |
| VODI |
14 |
57 |
42 |
237 |
120 |
13 |
0 |
0 |
| ODI |
0 |
6 |
15 |
136 |
225 |
51 |
0 |
0 |
| CDI |
0 |
0 |
1 |
56 |
265 |
436 |
19 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
333 |
2970 |
7127 |
22726 |
|
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 |
4135 |
5219 |
193 |
269 |
16 |
32 |
0 |
0 |
| OW |
40 |
354 |
100 |
200 |
61 |
0 |
0 |
0 |
| VODI |
1 |
125 |
71 |
265 |
149 |
8 |
0 |
0 |
| ODI |
0 |
40 |
9 |
141 |
238 |
19 |
9 |
0 |
| CDI |
0 |
13 |
13 |
66 |
274 |
109 |
54 |
2 |
| VCDI |
0 |
0 |
4 |
56 |
375 |
2994 |
7026 |
23186 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4149 |
5224 |
208 |
265 |
9 |
32 |
0 |
0 |
| OW |
27 |
346 |
91 |
201 |
73 |
0 |
0 |
0 |
| VODI |
0 |
129 |
65 |
297 |
157 |
4 |
0 |
0 |
| ODI |
0 |
36 |
10 |
123 |
243 |
14 |
11 |
0 |
| CDI |
0 |
16 |
12 |
64 |
239 |
120 |
59 |
3 |
| VCDI |
0 |
0 |
4 |
47 |
392 |
2992 |
7019 |
23185 |
|
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 |
2951 |
5271 |
443 |
429 |
56 |
30 |
0 |
0 |
| OW |
19 |
280 |
70 |
276 |
114 |
16 |
0 |
0 |
| VODI |
0 |
155 |
72 |
270 |
161 |
120 |
0 |
0 |
| ODI |
0 |
32 |
16 |
161 |
160 |
186 |
6 |
0 |
| CDI |
0 |
1 |
10 |
56 |
227 |
347 |
50 |
17 |
| VCDI |
0 |
0 |
0 |
53 |
390 |
2504 |
8020 |
22897 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2927 |
5078 |
446 |
480 |
129 |
49 |
0 |
0 |
| OW |
38 |
315 |
64 |
213 |
122 |
77 |
0 |
0 |
| VODI |
5 |
231 |
56 |
244 |
117 |
164 |
0 |
0 |
| ODI |
0 |
100 |
25 |
157 |
134 |
166 |
0 |
0 |
| CDI |
0 |
15 |
18 |
79 |
125 |
207 |
15 |
1 |
| VCDI |
0 |
0 |
2 |
72 |
481 |
2540 |
8061 |
22913 |
|
Date: dates bull:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
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