Validation of sea ice concentration - American sector
Bulletin date: 2024-10-10
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-10-04:
| 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 |
35696 |
6016 |
103 |
79 |
4 |
0 |
0 |
0 |
| OW |
80 |
575 |
291 |
374 |
61 |
5 |
0 |
0 |
| VODI |
0 |
47 |
82 |
712 |
220 |
26 |
0 |
0 |
| ODI |
0 |
15 |
0 |
209 |
553 |
108 |
2 |
0 |
| CDI |
0 |
32 |
2 |
22 |
377 |
662 |
174 |
0 |
| VCDI |
0 |
14 |
1 |
13 |
192 |
2774 |
7651 |
4059 |
|
...date precedes bulletin
|
Date: 2024-10-06:
| 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 |
35865 |
5581 |
50 |
39 |
4 |
0 |
0 |
0 |
| OW |
104 |
804 |
267 |
363 |
49 |
2 |
0 |
0 |
| VODI |
2 |
61 |
87 |
808 |
210 |
25 |
0 |
0 |
| ODI |
0 |
21 |
1 |
301 |
493 |
134 |
1 |
0 |
| CDI |
0 |
33 |
2 |
16 |
401 |
814 |
176 |
0 |
| VCDI |
0 |
25 |
8 |
25 |
175 |
2421 |
6678 |
5185 |
|
...date precedes bulletin
|
Date: 2024-10-08:
| 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 |
35482 |
6056 |
142 |
85 |
0 |
0 |
0 |
0 |
| OW |
21 |
444 |
296 |
511 |
22 |
0 |
0 |
0 |
| VODI |
0 |
21 |
20 |
879 |
342 |
31 |
0 |
0 |
| ODI |
0 |
11 |
0 |
47 |
757 |
213 |
6 |
0 |
| CDI |
0 |
20 |
0 |
19 |
121 |
1263 |
128 |
0 |
| VCDI |
0 |
13 |
0 |
0 |
104 |
1647 |
6880 |
5650 |
|
...date precedes bulletin
|
Date: 2024-10-10:
| 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 |
34807 |
6029 |
204 |
94 |
0 |
0 |
0 |
0 |
| OW |
8 |
391 |
262 |
819 |
47 |
0 |
0 |
0 |
| VODI |
0 |
32 |
22 |
617 |
600 |
69 |
0 |
0 |
| ODI |
0 |
17 |
1 |
59 |
710 |
351 |
36 |
0 |
| CDI |
0 |
27 |
5 |
0 |
146 |
1562 |
553 |
0 |
| VCDI |
0 |
16 |
3 |
54 |
173 |
1790 |
5507 |
6220 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
34811 |
6056 |
290 |
263 |
7 |
0 |
0 |
0 |
| OW |
4 |
364 |
185 |
653 |
94 |
13 |
0 |
0 |
| VODI |
0 |
29 |
13 |
608 |
542 |
98 |
3 |
0 |
| ODI |
0 |
20 |
1 |
65 |
678 |
250 |
59 |
0 |
| CDI |
0 |
25 |
3 |
1 |
178 |
1535 |
488 |
0 |
| VCDI |
0 |
18 |
5 |
53 |
177 |
1876 |
5546 |
6220 |
|
Date: 2024-10-12:
| 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 |
34336 |
5574 |
243 |
208 |
0 |
0 |
0 |
0 |
| OW |
43 |
347 |
163 |
750 |
258 |
0 |
0 |
0 |
| VODI |
0 |
58 |
22 |
342 |
839 |
141 |
3 |
0 |
| ODI |
2 |
11 |
2 |
83 |
533 |
611 |
15 |
0 |
| CDI |
7 |
18 |
5 |
23 |
169 |
1504 |
1103 |
0 |
| VCDI |
0 |
22 |
3 |
25 |
185 |
1851 |
6592 |
5140 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
34347 |
5651 |
281 |
399 |
54 |
0 |
0 |
0 |
| OW |
32 |
290 |
124 |
624 |
319 |
4 |
0 |
0 |
| VODI |
0 |
37 |
23 |
277 |
771 |
191 |
9 |
0 |
| ODI |
2 |
12 |
2 |
83 |
447 |
519 |
26 |
0 |
| CDI |
7 |
18 |
5 |
21 |
202 |
1524 |
1050 |
0 |
| VCDI |
0 |
22 |
3 |
27 |
191 |
1869 |
6628 |
5140 |
|
Date: 2024-10-14:
| 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 |
33460 |
5637 |
164 |
219 |
2 |
0 |
0 |
0 |
| OW |
5 |
293 |
198 |
482 |
32 |
0 |
0 |
0 |
| VODI |
0 |
26 |
19 |
662 |
367 |
7 |
75 |
0 |
| ODI |
0 |
4 |
5 |
42 |
856 |
163 |
72 |
0 |
| CDI |
0 |
22 |
0 |
19 |
328 |
2006 |
262 |
0 |
| VCDI |
0 |
2 |
0 |
22 |
86 |
2320 |
8156 |
5218 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
33457 |
5644 |
241 |
509 |
80 |
0 |
0 |
0 |
| OW |
8 |
232 |
95 |
527 |
347 |
80 |
0 |
0 |
| VODI |
0 |
60 |
34 |
263 |
545 |
525 |
0 |
0 |
| ODI |
0 |
20 |
10 |
84 |
301 |
601 |
53 |
0 |
| CDI |
0 |
20 |
6 |
35 |
233 |
1113 |
586 |
0 |
| VCDI |
0 |
8 |
0 |
28 |
165 |
2177 |
7926 |
5218 |
|
Date: 2024-10-16:
| 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 |
32764 |
5472 |
301 |
220 |
4 |
0 |
0 |
0 |
| OW |
12 |
316 |
141 |
516 |
98 |
0 |
0 |
0 |
| VODI |
0 |
40 |
33 |
597 |
486 |
27 |
0 |
0 |
| ODI |
1 |
10 |
1 |
173 |
615 |
207 |
0 |
0 |
| CDI |
9 |
22 |
1 |
26 |
436 |
1618 |
170 |
0 |
| VCDI |
0 |
32 |
7 |
15 |
116 |
2588 |
8128 |
6029 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
32752 |
5122 |
275 |
295 |
19 |
6 |
0 |
0 |
| OW |
24 |
615 |
158 |
579 |
229 |
82 |
0 |
0 |
| VODI |
0 |
60 |
38 |
495 |
666 |
438 |
68 |
0 |
| ODI |
1 |
27 |
3 |
129 |
348 |
329 |
211 |
0 |
| CDI |
9 |
20 |
3 |
26 |
253 |
784 |
449 |
0 |
| VCDI |
0 |
48 |
7 |
23 |
240 |
2801 |
7570 |
6029 |
|
Date: 2024-10-18:
| 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 |
31812 |
5250 |
161 |
268 |
27 |
0 |
0 |
0 |
| OW |
11 |
527 |
192 |
483 |
186 |
17 |
0 |
0 |
| VODI |
0 |
73 |
49 |
522 |
438 |
135 |
0 |
0 |
| ODI |
0 |
7 |
3 |
133 |
483 |
351 |
0 |
0 |
| CDI |
0 |
21 |
0 |
26 |
422 |
1238 |
150 |
0 |
| VCDI |
0 |
3 |
0 |
56 |
100 |
2877 |
8998 |
6212 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
31797 |
4852 |
130 |
245 |
54 |
0 |
0 |
0 |
| OW |
26 |
799 |
145 |
458 |
213 |
33 |
0 |
0 |
| VODI |
0 |
179 |
121 |
538 |
724 |
472 |
27 |
0 |
| ODI |
0 |
12 |
9 |
133 |
290 |
670 |
252 |
0 |
| CDI |
0 |
23 |
0 |
44 |
188 |
496 |
689 |
45 |
| VCDI |
0 |
16 |
0 |
70 |
187 |
2947 |
8180 |
6167 |
|
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