Validation of sea ice concentration - American sector
Bulletin date: 2024-01-04
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: :
| 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 |
0 |
297 |
31 |
21 |
3 |
0 |
0 |
0 |
| OW |
5 |
359 |
40 |
130 |
57 |
0 |
0 |
0 |
| VODI |
0 |
142 |
28 |
172 |
261 |
32 |
0 |
0 |
| ODI |
0 |
9 |
2 |
60 |
393 |
107 |
3 |
0 |
| CDI |
0 |
0 |
0 |
22 |
196 |
507 |
43 |
2 |
| VCDI |
0 |
0 |
0 |
32 |
163 |
2838 |
10385 |
29526 |
|
...date precedes bulletin
|
Date: :
| 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 |
0 |
61 |
18 |
43 |
25 |
0 |
0 |
0 |
| OW |
0 |
229 |
79 |
136 |
41 |
0 |
0 |
0 |
| VODI |
0 |
151 |
26 |
204 |
204 |
25 |
0 |
0 |
| ODI |
0 |
22 |
8 |
47 |
343 |
124 |
7 |
0 |
| CDI |
0 |
0 |
0 |
4 |
217 |
405 |
79 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
172 |
2474 |
9274 |
31444 |
|
...date precedes bulletin
|
Date: :
| 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 |
0 |
49 |
8 |
16 |
8 |
0 |
0 |
0 |
| OW |
0 |
38 |
67 |
94 |
81 |
0 |
0 |
0 |
| VODI |
0 |
10 |
17 |
149 |
186 |
7 |
0 |
0 |
| ODI |
0 |
0 |
0 |
97 |
140 |
113 |
0 |
0 |
| CDI |
0 |
0 |
0 |
29 |
94 |
795 |
32 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
269 |
3217 |
12983 |
27367 |
|
...date precedes bulletin
|
Date: :
| 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 |
0 |
0 |
0 |
14 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
23 |
38 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
59 |
241 |
6 |
0 |
0 |
| ODI |
0 |
0 |
0 |
17 |
326 |
89 |
0 |
0 |
| CDI |
0 |
0 |
0 |
26 |
249 |
413 |
23 |
0 |
| VCDI |
0 |
0 |
0 |
60 |
351 |
3903 |
13437 |
26591 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
0 |
0 |
10 |
4 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
26 |
29 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
57 |
215 |
6 |
0 |
0 |
| ODI |
0 |
0 |
0 |
21 |
319 |
82 |
0 |
0 |
| CDI |
0 |
0 |
0 |
22 |
263 |
499 |
40 |
0 |
| VCDI |
0 |
0 |
0 |
63 |
375 |
3824 |
13420 |
26591 |
|
Date: :
| 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 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
8 |
6 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
20 |
52 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
132 |
168 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
138 |
438 |
25 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
528 |
3217 |
11354 |
29780 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
7 |
5 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
33 |
52 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
101 |
155 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
144 |
462 |
26 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
541 |
3207 |
11353 |
29779 |
|
Date: :
| 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 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
5 |
0 |
1 |
0 |
| ODI |
0 |
0 |
0 |
0 |
57 |
34 |
10 |
0 |
| CDI |
0 |
0 |
0 |
0 |
121 |
546 |
28 |
3 |
| VCDI |
0 |
0 |
0 |
0 |
511 |
3205 |
12839 |
28506 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
30 |
14 |
18 |
0 |
| ODI |
0 |
0 |
0 |
0 |
14 |
90 |
10 |
0 |
| CDI |
0 |
0 |
0 |
0 |
97 |
364 |
38 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
553 |
3317 |
12812 |
28509 |
|
Date: :
| 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 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
0 |
47 |
11 |
0 |
| ODI |
0 |
0 |
0 |
0 |
0 |
40 |
10 |
0 |
| CDI |
0 |
0 |
0 |
0 |
42 |
216 |
45 |
21 |
| VCDI |
0 |
0 |
0 |
0 |
397 |
2999 |
11066 |
30972 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
0 |
56 |
11 |
0 |
| ODI |
0 |
0 |
0 |
0 |
0 |
62 |
12 |
0 |
| CDI |
0 |
0 |
0 |
0 |
27 |
243 |
66 |
16 |
| VCDI |
0 |
0 |
0 |
0 |
412 |
2941 |
11043 |
30977 |
|
Date: :
| 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 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
16 |
51 |
5 |
0 |
| ODI |
0 |
0 |
0 |
0 |
39 |
50 |
7 |
0 |
| CDI |
0 |
0 |
0 |
0 |
273 |
131 |
42 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
667 |
3472 |
11519 |
29594 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
0 |
0 |
0 |
0 |
9 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
18 |
46 |
3 |
0 |
| VODI |
0 |
0 |
0 |
0 |
17 |
59 |
9 |
0 |
| ODI |
0 |
0 |
0 |
0 |
45 |
79 |
20 |
1 |
| CDI |
0 |
0 |
0 |
0 |
230 |
272 |
146 |
36 |
| VCDI |
0 |
0 |
0 |
0 |
685 |
3239 |
11395 |
29557 |
|
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