Validation of sea ice concentration - American sector
Bulletin date: 2024-02-15
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
|
...date precedes bulletin
|
Date: 2024-02-11:
| 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 |
5719 |
2617 |
16 |
31 |
0 |
0 |
0 |
0 |
| OW |
0 |
315 |
79 |
147 |
14 |
0 |
0 |
0 |
| VODI |
0 |
118 |
28 |
240 |
146 |
6 |
0 |
0 |
| ODI |
0 |
69 |
19 |
52 |
293 |
124 |
0 |
0 |
| CDI |
0 |
38 |
25 |
86 |
145 |
560 |
86 |
3 |
| VCDI |
0 |
7 |
1 |
9 |
159 |
3389 |
10191 |
36499 |
|
...date precedes bulletin
|
Date: 2024-02-13:
| 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 |
5308 |
2918 |
37 |
27 |
3 |
0 |
0 |
0 |
| OW |
0 |
239 |
142 |
155 |
27 |
0 |
0 |
0 |
| VODI |
0 |
22 |
7 |
370 |
171 |
11 |
0 |
0 |
| ODI |
0 |
13 |
2 |
42 |
262 |
151 |
0 |
0 |
| CDI |
0 |
4 |
2 |
10 |
79 |
573 |
218 |
10 |
| VCDI |
0 |
0 |
0 |
5 |
140 |
2369 |
9448 |
38466 |
|
...date precedes bulletin
|
Date: 2024-02-15:
| 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 |
5052 |
2977 |
44 |
41 |
0 |
0 |
0 |
0 |
| OW |
0 |
236 |
101 |
243 |
38 |
1 |
0 |
0 |
| VODI |
0 |
22 |
26 |
233 |
276 |
22 |
0 |
0 |
| ODI |
0 |
8 |
3 |
32 |
249 |
169 |
10 |
0 |
| CDI |
0 |
1 |
0 |
10 |
29 |
569 |
414 |
24 |
| VCDI |
0 |
0 |
0 |
0 |
21 |
1933 |
11620 |
36827 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5052 |
3046 |
48 |
73 |
2 |
0 |
0 |
0 |
| OW |
0 |
167 |
92 |
205 |
56 |
2 |
0 |
0 |
| VODI |
0 |
21 |
30 |
236 |
253 |
21 |
0 |
0 |
| ODI |
0 |
10 |
4 |
33 |
253 |
148 |
4 |
0 |
| CDI |
0 |
0 |
0 |
12 |
28 |
588 |
401 |
20 |
| VCDI |
0 |
0 |
0 |
0 |
21 |
1935 |
11639 |
36831 |
|
Date: 2024-02-17:
| 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 |
4989 |
2814 |
47 |
54 |
0 |
0 |
0 |
0 |
| OW |
0 |
397 |
54 |
149 |
61 |
5 |
0 |
0 |
| VODI |
0 |
38 |
44 |
274 |
223 |
38 |
0 |
0 |
| ODI |
0 |
11 |
2 |
29 |
340 |
107 |
0 |
0 |
| CDI |
0 |
0 |
1 |
5 |
135 |
551 |
135 |
1 |
| VCDI |
0 |
0 |
0 |
1 |
63 |
1950 |
5539 |
43174 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4989 |
2858 |
52 |
65 |
0 |
0 |
0 |
0 |
| OW |
0 |
332 |
50 |
140 |
80 |
6 |
0 |
0 |
| VODI |
0 |
59 |
42 |
281 |
216 |
31 |
0 |
0 |
| ODI |
0 |
8 |
2 |
19 |
311 |
128 |
0 |
0 |
| CDI |
0 |
3 |
2 |
6 |
128 |
512 |
126 |
1 |
| VCDI |
0 |
0 |
0 |
1 |
87 |
1974 |
5548 |
43174 |
|
Date: 2024-02-19:
| 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 |
5275 |
2857 |
30 |
42 |
10 |
0 |
0 |
0 |
| OW |
0 |
312 |
132 |
156 |
43 |
0 |
0 |
0 |
| VODI |
0 |
17 |
2 |
288 |
212 |
7 |
0 |
0 |
| ODI |
0 |
4 |
0 |
1 |
359 |
90 |
0 |
0 |
| CDI |
0 |
2 |
0 |
1 |
99 |
692 |
54 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
221 |
2457 |
7153 |
40715 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5275 |
2715 |
29 |
42 |
13 |
0 |
0 |
0 |
| OW |
0 |
380 |
59 |
125 |
86 |
0 |
0 |
0 |
| VODI |
0 |
84 |
74 |
268 |
159 |
41 |
0 |
0 |
| ODI |
0 |
8 |
2 |
49 |
273 |
83 |
0 |
0 |
| CDI |
0 |
5 |
0 |
4 |
185 |
373 |
54 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
228 |
2749 |
7153 |
40715 |
|
Date: 2024-02-21:
| 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 |
5307 |
2878 |
38 |
24 |
7 |
0 |
0 |
0 |
| OW |
0 |
277 |
102 |
216 |
55 |
0 |
0 |
0 |
| VODI |
0 |
16 |
20 |
233 |
229 |
18 |
0 |
0 |
| ODI |
0 |
3 |
2 |
10 |
265 |
125 |
0 |
0 |
| CDI |
0 |
0 |
0 |
2 |
75 |
687 |
149 |
1 |
| VCDI |
0 |
0 |
0 |
22 |
261 |
2450 |
9360 |
38399 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5307 |
2782 |
40 |
32 |
9 |
0 |
0 |
0 |
| OW |
0 |
326 |
74 |
150 |
76 |
2 |
0 |
0 |
| VODI |
0 |
51 |
45 |
249 |
198 |
50 |
0 |
0 |
| ODI |
0 |
15 |
3 |
49 |
208 |
153 |
0 |
0 |
| CDI |
0 |
0 |
0 |
4 |
122 |
527 |
45 |
0 |
| VCDI |
0 |
0 |
0 |
23 |
279 |
2548 |
9464 |
38400 |
|
Date: 2024-02-23:
| 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 |
5954 |
2497 |
6 |
22 |
4 |
0 |
0 |
0 |
| OW |
10 |
379 |
96 |
113 |
36 |
0 |
0 |
0 |
| VODI |
3 |
82 |
57 |
200 |
103 |
13 |
0 |
0 |
| ODI |
2 |
6 |
6 |
80 |
232 |
63 |
3 |
0 |
| CDI |
0 |
0 |
1 |
11 |
182 |
348 |
56 |
3 |
| VCDI |
0 |
0 |
0 |
0 |
376 |
2377 |
11261 |
36649 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5945 |
2180 |
20 |
51 |
6 |
0 |
0 |
0 |
| OW |
13 |
376 |
46 |
86 |
53 |
0 |
0 |
0 |
| VODI |
10 |
282 |
50 |
127 |
122 |
26 |
0 |
0 |
| ODI |
1 |
102 |
24 |
64 |
182 |
93 |
3 |
0 |
| CDI |
0 |
23 |
26 |
97 |
201 |
367 |
87 |
15 |
| VCDI |
0 |
1 |
0 |
1 |
369 |
2315 |
11230 |
36637 |
|
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