Validation of sea ice concentration - American sector
Bulletin date: 2024-02-01
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-01-26:
| 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 |
5721 |
3020 |
44 |
18 |
0 |
0 |
0 |
0 |
| OW |
0 |
286 |
94 |
95 |
14 |
0 |
0 |
0 |
| VODI |
0 |
19 |
25 |
337 |
77 |
3 |
0 |
0 |
| ODI |
0 |
0 |
0 |
91 |
288 |
66 |
0 |
0 |
| CDI |
0 |
0 |
0 |
12 |
249 |
451 |
215 |
4 |
| VCDI |
0 |
0 |
0 |
0 |
45 |
2491 |
10700 |
36866 |
|
...date precedes bulletin
|
Date: 2024-01-28:
| 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 |
5279 |
3008 |
37 |
24 |
0 |
0 |
0 |
0 |
| OW |
0 |
254 |
124 |
151 |
28 |
1 |
0 |
0 |
| VODI |
0 |
19 |
23 |
368 |
82 |
26 |
0 |
0 |
| ODI |
0 |
0 |
0 |
61 |
299 |
73 |
0 |
0 |
| CDI |
0 |
0 |
0 |
1 |
256 |
348 |
178 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
107 |
2401 |
9022 |
39061 |
|
...date precedes bulletin
|
Date: 2024-01-30:
| 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 |
5049 |
3010 |
17 |
2 |
0 |
0 |
0 |
0 |
| OW |
0 |
297 |
118 |
84 |
2 |
0 |
0 |
0 |
| VODI |
0 |
16 |
17 |
427 |
120 |
1 |
0 |
0 |
| ODI |
0 |
0 |
0 |
67 |
342 |
69 |
2 |
0 |
| CDI |
0 |
0 |
0 |
10 |
144 |
812 |
232 |
10 |
| VCDI |
0 |
0 |
0 |
0 |
267 |
2911 |
10807 |
36398 |
|
...date precedes bulletin
|
Date: 2024-02-01:
| 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 |
5150 |
2904 |
29 |
4 |
0 |
0 |
0 |
0 |
| OW |
0 |
369 |
100 |
88 |
0 |
0 |
0 |
0 |
| VODI |
0 |
53 |
49 |
402 |
54 |
0 |
0 |
0 |
| ODI |
0 |
2 |
5 |
81 |
309 |
33 |
0 |
0 |
| CDI |
0 |
0 |
0 |
24 |
163 |
544 |
89 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
73 |
2206 |
8308 |
40192 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5150 |
2893 |
27 |
6 |
0 |
0 |
0 |
0 |
| OW |
0 |
386 |
109 |
104 |
0 |
0 |
0 |
0 |
| VODI |
0 |
46 |
42 |
385 |
69 |
0 |
0 |
0 |
| ODI |
0 |
3 |
5 |
78 |
282 |
38 |
0 |
0 |
| CDI |
0 |
0 |
0 |
26 |
178 |
563 |
106 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
70 |
2182 |
8291 |
40192 |
|
Date: 2024-02-03:
| 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 |
5426 |
2639 |
39 |
68 |
2 |
0 |
0 |
0 |
| OW |
0 |
462 |
54 |
51 |
4 |
0 |
0 |
0 |
| VODI |
0 |
72 |
98 |
354 |
36 |
0 |
0 |
0 |
| ODI |
0 |
3 |
4 |
143 |
278 |
6 |
0 |
0 |
| CDI |
0 |
0 |
0 |
21 |
351 |
223 |
33 |
4 |
| VCDI |
0 |
0 |
0 |
2 |
268 |
3668 |
8013 |
38909 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5426 |
2607 |
38 |
67 |
2 |
0 |
0 |
0 |
| OW |
0 |
504 |
79 |
78 |
4 |
0 |
0 |
0 |
| VODI |
0 |
62 |
75 |
330 |
57 |
0 |
0 |
0 |
| ODI |
0 |
3 |
3 |
140 |
270 |
9 |
1 |
0 |
| CDI |
0 |
0 |
0 |
23 |
350 |
252 |
30 |
6 |
| VCDI |
0 |
0 |
0 |
1 |
256 |
3636 |
8015 |
38907 |
|
Date: 2024-02-05:
| 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 |
5543 |
2813 |
49 |
24 |
0 |
0 |
0 |
0 |
| OW |
0 |
333 |
139 |
106 |
0 |
0 |
0 |
0 |
| VODI |
0 |
15 |
20 |
379 |
132 |
0 |
0 |
0 |
| ODI |
0 |
3 |
2 |
34 |
239 |
49 |
0 |
0 |
| CDI |
0 |
0 |
0 |
12 |
126 |
469 |
17 |
5 |
| VCDI |
0 |
0 |
0 |
1 |
309 |
3024 |
8303 |
39085 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5543 |
2676 |
34 |
11 |
0 |
0 |
0 |
0 |
| OW |
0 |
378 |
101 |
120 |
2 |
0 |
0 |
0 |
| VODI |
0 |
100 |
66 |
270 |
94 |
4 |
0 |
0 |
| ODI |
0 |
7 |
8 |
120 |
181 |
73 |
0 |
0 |
| CDI |
0 |
3 |
1 |
28 |
188 |
242 |
39 |
4 |
| VCDI |
0 |
0 |
0 |
7 |
341 |
3223 |
8281 |
39086 |
|
Date: 2024-02-07:
| 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 |
5871 |
2692 |
15 |
9 |
0 |
0 |
0 |
0 |
| OW |
0 |
386 |
71 |
113 |
1 |
0 |
0 |
0 |
| VODI |
0 |
48 |
54 |
233 |
141 |
0 |
0 |
0 |
| ODI |
0 |
11 |
21 |
82 |
169 |
32 |
0 |
0 |
| CDI |
0 |
3 |
6 |
59 |
134 |
297 |
61 |
5 |
| VCDI |
0 |
1 |
1 |
51 |
459 |
2982 |
8078 |
39145 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5871 |
2546 |
21 |
25 |
0 |
0 |
0 |
0 |
| OW |
0 |
342 |
34 |
105 |
6 |
0 |
0 |
0 |
| VODI |
0 |
200 |
56 |
173 |
123 |
3 |
0 |
0 |
| ODI |
0 |
42 |
37 |
108 |
179 |
66 |
1 |
0 |
| CDI |
0 |
8 |
17 |
65 |
112 |
230 |
41 |
4 |
| VCDI |
0 |
3 |
3 |
71 |
484 |
3012 |
8097 |
39146 |
|
Date: 2024-02-09:
| 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 |
6159 |
2475 |
12 |
3 |
0 |
0 |
0 |
0 |
| OW |
0 |
344 |
73 |
105 |
13 |
0 |
0 |
0 |
| VODI |
0 |
171 |
46 |
174 |
132 |
2 |
0 |
0 |
| ODI |
0 |
78 |
12 |
58 |
170 |
36 |
1 |
0 |
| CDI |
0 |
72 |
26 |
70 |
139 |
469 |
83 |
0 |
| VCDI |
0 |
8 |
15 |
195 |
473 |
3072 |
8516 |
38029 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
6159 |
2329 |
29 |
40 |
1 |
0 |
0 |
0 |
| OW |
0 |
361 |
42 |
72 |
21 |
0 |
0 |
0 |
| VODI |
0 |
224 |
47 |
165 |
130 |
10 |
0 |
0 |
| ODI |
0 |
137 |
20 |
60 |
145 |
98 |
2 |
0 |
| CDI |
0 |
77 |
23 |
70 |
130 |
319 |
61 |
19 |
| VCDI |
0 |
20 |
23 |
198 |
500 |
3152 |
8537 |
38010 |
|
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