Validation of sea ice concentration - American sector
Bulletin date: 2024-11-14
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-11-08:
| 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 |
8972 |
3483 |
221 |
309 |
29 |
0 |
0 |
0 |
| OW |
5 |
536 |
143 |
337 |
368 |
73 |
0 |
0 |
| VODI |
0 |
155 |
53 |
237 |
652 |
413 |
9 |
0 |
| ODI |
0 |
92 |
7 |
50 |
514 |
514 |
27 |
0 |
| CDI |
0 |
38 |
7 |
21 |
169 |
928 |
194 |
0 |
| VCDI |
0 |
20 |
15 |
30 |
57 |
1389 |
12202 |
13597 |
|
...date precedes bulletin
|
Date: 2024-11-10:
| 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 |
8842 |
2540 |
165 |
426 |
200 |
0 |
0 |
0 |
| OW |
23 |
360 |
93 |
318 |
308 |
70 |
0 |
0 |
| VODI |
0 |
145 |
58 |
217 |
421 |
425 |
6 |
0 |
| ODI |
0 |
50 |
29 |
119 |
455 |
656 |
31 |
0 |
| CDI |
0 |
41 |
4 |
41 |
399 |
884 |
158 |
0 |
| VCDI |
0 |
24 |
16 |
42 |
172 |
1548 |
12338 |
14242 |
|
...date precedes bulletin
|
Date: 2024-11-12:
| 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 |
8992 |
2004 |
128 |
241 |
304 |
1 |
0 |
0 |
| OW |
101 |
362 |
90 |
157 |
156 |
30 |
0 |
0 |
| VODI |
23 |
71 |
58 |
169 |
274 |
93 |
3 |
0 |
| ODI |
0 |
17 |
10 |
54 |
365 |
320 |
8 |
0 |
| CDI |
0 |
12 |
15 |
40 |
444 |
1473 |
192 |
1 |
| VCDI |
0 |
4 |
8 |
34 |
211 |
1699 |
11921 |
15781 |
|
...date precedes bulletin
|
Date: 2024-11-14:
| 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 |
8328 |
1997 |
168 |
239 |
226 |
32 |
0 |
0 |
| OW |
67 |
372 |
163 |
310 |
188 |
17 |
0 |
0 |
| VODI |
6 |
75 |
69 |
240 |
285 |
56 |
9 |
0 |
| ODI |
0 |
36 |
12 |
57 |
362 |
181 |
23 |
0 |
| CDI |
0 |
3 |
7 |
25 |
161 |
808 |
149 |
0 |
| VCDI |
0 |
0 |
0 |
15 |
269 |
2316 |
12352 |
16243 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8331 |
2050 |
194 |
323 |
290 |
40 |
0 |
0 |
| OW |
60 |
293 |
126 |
210 |
162 |
15 |
0 |
0 |
| VODI |
10 |
98 |
72 |
236 |
269 |
47 |
13 |
0 |
| ODI |
0 |
35 |
19 |
76 |
337 |
186 |
22 |
0 |
| CDI |
0 |
7 |
7 |
22 |
178 |
793 |
139 |
1 |
| VCDI |
0 |
0 |
1 |
19 |
255 |
2329 |
12359 |
16242 |
|
Date: 2024-11-16:
| 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 |
8399 |
1416 |
115 |
263 |
38 |
0 |
0 |
0 |
| OW |
54 |
371 |
155 |
317 |
208 |
26 |
0 |
0 |
| VODI |
2 |
159 |
80 |
305 |
340 |
122 |
4 |
0 |
| ODI |
0 |
36 |
25 |
100 |
287 |
299 |
11 |
0 |
| CDI |
0 |
13 |
7 |
55 |
192 |
674 |
92 |
0 |
| VCDI |
0 |
1 |
0 |
13 |
197 |
2534 |
12196 |
16760 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8382 |
1475 |
150 |
334 |
107 |
5 |
0 |
0 |
| OW |
70 |
298 |
112 |
278 |
199 |
30 |
0 |
0 |
| VODI |
3 |
154 |
81 |
239 |
285 |
155 |
5 |
0 |
| ODI |
0 |
43 |
25 |
125 |
257 |
265 |
14 |
0 |
| CDI |
0 |
21 |
11 |
55 |
207 |
643 |
95 |
0 |
| VCDI |
0 |
5 |
3 |
22 |
207 |
2557 |
12189 |
16760 |
|
Date: 2024-11-18:
| 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 |
8455 |
1072 |
52 |
80 |
99 |
0 |
0 |
0 |
| OW |
12 |
402 |
72 |
160 |
182 |
5 |
0 |
0 |
| VODI |
0 |
168 |
111 |
394 |
355 |
39 |
8 |
0 |
| ODI |
0 |
12 |
12 |
108 |
529 |
273 |
15 |
0 |
| CDI |
0 |
28 |
7 |
60 |
205 |
1145 |
110 |
0 |
| VCDI |
0 |
18 |
21 |
157 |
489 |
2422 |
13990 |
14599 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8438 |
1023 |
73 |
160 |
286 |
2 |
0 |
0 |
| OW |
26 |
283 |
53 |
207 |
255 |
53 |
0 |
0 |
| VODI |
3 |
189 |
54 |
210 |
273 |
181 |
9 |
0 |
| ODI |
0 |
96 |
30 |
92 |
307 |
362 |
23 |
0 |
| CDI |
0 |
74 |
37 |
84 |
176 |
615 |
77 |
19 |
| VCDI |
0 |
35 |
28 |
206 |
562 |
2671 |
14014 |
14580 |
|
Date: 2024-11-20:
| 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 |
8518 |
1141 |
41 |
29 |
14 |
0 |
0 |
0 |
| OW |
82 |
541 |
91 |
112 |
67 |
2 |
0 |
0 |
| VODI |
7 |
325 |
58 |
248 |
194 |
28 |
0 |
0 |
| ODI |
0 |
176 |
47 |
155 |
380 |
203 |
0 |
0 |
| CDI |
0 |
72 |
47 |
286 |
458 |
632 |
7 |
0 |
| VCDI |
0 |
14 |
13 |
173 |
631 |
2935 |
13197 |
14942 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8498 |
1100 |
77 |
86 |
3 |
0 |
0 |
0 |
| OW |
97 |
528 |
47 |
100 |
133 |
0 |
0 |
0 |
| VODI |
12 |
345 |
52 |
182 |
229 |
61 |
0 |
0 |
| ODI |
0 |
148 |
35 |
152 |
325 |
201 |
0 |
0 |
| CDI |
0 |
96 |
59 |
241 |
407 |
542 |
10 |
0 |
| VCDI |
0 |
52 |
27 |
242 |
647 |
2996 |
13194 |
14942 |
|
Date: 2024-11-22:
| 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 |
8557 |
880 |
43 |
74 |
37 |
0 |
0 |
0 |
| OW |
69 |
404 |
92 |
133 |
155 |
13 |
0 |
0 |
| VODI |
12 |
188 |
70 |
189 |
217 |
92 |
18 |
0 |
| ODI |
0 |
86 |
38 |
77 |
271 |
358 |
1 |
0 |
| CDI |
0 |
23 |
14 |
83 |
402 |
753 |
56 |
0 |
| VCDI |
0 |
12 |
0 |
49 |
515 |
4342 |
16559 |
10984 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8487 |
687 |
57 |
122 |
145 |
0 |
0 |
0 |
| OW |
105 |
364 |
62 |
110 |
147 |
38 |
1 |
0 |
| VODI |
44 |
321 |
62 |
129 |
253 |
152 |
16 |
0 |
| ODI |
2 |
127 |
33 |
73 |
224 |
329 |
8 |
0 |
| CDI |
0 |
51 |
40 |
87 |
243 |
604 |
80 |
0 |
| VCDI |
0 |
43 |
3 |
84 |
585 |
4435 |
16529 |
10984 |
|
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