Validation of sea ice concentration - American sector
Bulletin date: 2022-10-06
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-09-30:
| 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 |
17344 |
6038 |
372 |
409 |
220 |
33 |
0 |
0 |
| OW |
9 |
335 |
148 |
319 |
311 |
52 |
0 |
0 |
| VODI |
0 |
42 |
64 |
281 |
591 |
142 |
9 |
0 |
| ODI |
0 |
2 |
4 |
83 |
569 |
317 |
6 |
0 |
| CDI |
0 |
0 |
0 |
11 |
360 |
900 |
106 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
109 |
6154 |
10469 |
54 |
|
...date precedes bulletin
|
Date: 2022-10-02:
| 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 |
16684 |
6096 |
381 |
310 |
180 |
5 |
0 |
0 |
| OW |
8 |
490 |
235 |
366 |
346 |
21 |
0 |
0 |
| VODI |
0 |
51 |
56 |
344 |
599 |
109 |
9 |
0 |
| ODI |
0 |
3 |
11 |
93 |
570 |
373 |
14 |
0 |
| CDI |
0 |
0 |
0 |
20 |
212 |
924 |
63 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
98 |
4596 |
12149 |
448 |
|
...date precedes bulletin
|
Date: 2022-10-04:
| 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 |
15872 |
7066 |
511 |
492 |
101 |
0 |
0 |
0 |
| OW |
2 |
107 |
121 |
319 |
172 |
10 |
0 |
0 |
| VODI |
0 |
27 |
36 |
249 |
501 |
61 |
0 |
0 |
| ODI |
0 |
4 |
7 |
51 |
724 |
292 |
9 |
0 |
| CDI |
0 |
0 |
0 |
20 |
460 |
1070 |
113 |
0 |
| VCDI |
0 |
0 |
0 |
10 |
47 |
3670 |
13372 |
370 |
|
...date precedes bulletin
|
Date: 2022-10-06:
| 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 |
13663 |
8453 |
1134 |
241 |
79 |
0 |
0 |
0 |
| OW |
47 |
303 |
195 |
335 |
102 |
2 |
0 |
0 |
| VODI |
0 |
39 |
90 |
406 |
379 |
40 |
0 |
0 |
| ODI |
0 |
4 |
7 |
126 |
611 |
230 |
4 |
0 |
| CDI |
0 |
0 |
0 |
18 |
506 |
940 |
95 |
0 |
| VCDI |
0 |
0 |
0 |
18 |
44 |
4404 |
11543 |
1808 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13687 |
8534 |
1169 |
275 |
95 |
0 |
0 |
0 |
| OW |
23 |
226 |
164 |
294 |
84 |
2 |
0 |
0 |
| VODI |
0 |
39 |
87 |
417 |
385 |
40 |
0 |
0 |
| ODI |
0 |
0 |
5 |
118 |
655 |
318 |
8 |
0 |
| CDI |
0 |
0 |
1 |
23 |
454 |
927 |
87 |
0 |
| VCDI |
0 |
0 |
0 |
17 |
48 |
4329 |
11547 |
1808 |
|
Date: 2022-10-08:
| 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 |
16577 |
6289 |
259 |
149 |
72 |
0 |
0 |
0 |
| OW |
117 |
581 |
243 |
315 |
102 |
1 |
0 |
0 |
| VODI |
4 |
79 |
122 |
414 |
378 |
40 |
0 |
0 |
| ODI |
0 |
2 |
23 |
298 |
464 |
132 |
0 |
0 |
| CDI |
0 |
0 |
7 |
115 |
846 |
348 |
38 |
0 |
| VCDI |
0 |
0 |
8 |
74 |
961 |
7288 |
9520 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16666 |
6309 |
268 |
167 |
76 |
0 |
0 |
0 |
| OW |
25 |
537 |
207 |
257 |
55 |
1 |
0 |
0 |
| VODI |
7 |
104 |
150 |
421 |
384 |
55 |
0 |
0 |
| ODI |
0 |
1 |
20 |
320 |
545 |
144 |
2 |
0 |
| CDI |
0 |
0 |
6 |
99 |
778 |
380 |
54 |
0 |
| VCDI |
0 |
0 |
11 |
101 |
985 |
7229 |
9502 |
0 |
|
Date: 2022-10-10:
| 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 |
14747 |
7917 |
483 |
278 |
87 |
10 |
0 |
0 |
| OW |
20 |
142 |
231 |
445 |
105 |
0 |
0 |
0 |
| VODI |
12 |
26 |
56 |
523 |
517 |
49 |
15 |
0 |
| ODI |
0 |
2 |
0 |
136 |
1028 |
343 |
26 |
0 |
| CDI |
0 |
0 |
0 |
11 |
299 |
1198 |
158 |
0 |
| VCDI |
0 |
0 |
1 |
15 |
200 |
2961 |
12786 |
1039 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14746 |
7496 |
309 |
210 |
110 |
10 |
0 |
0 |
| OW |
20 |
516 |
290 |
284 |
77 |
8 |
0 |
0 |
| VODI |
13 |
73 |
155 |
598 |
481 |
165 |
0 |
0 |
| ODI |
0 |
2 |
14 |
190 |
595 |
272 |
0 |
0 |
| CDI |
0 |
0 |
1 |
65 |
513 |
655 |
55 |
0 |
| VCDI |
0 |
0 |
2 |
61 |
460 |
3451 |
12930 |
1039 |
|
Date: 2022-10-12:
| 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 |
11594 |
9990 |
622 |
509 |
94 |
9 |
0 |
0 |
| OW |
29 |
176 |
170 |
479 |
371 |
25 |
0 |
0 |
| VODI |
4 |
39 |
52 |
233 |
687 |
155 |
2 |
0 |
| ODI |
0 |
0 |
2 |
94 |
741 |
437 |
12 |
0 |
| CDI |
0 |
0 |
0 |
5 |
492 |
973 |
108 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
107 |
2146 |
12972 |
2535 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11562 |
9627 |
467 |
362 |
114 |
29 |
0 |
0 |
| OW |
51 |
453 |
231 |
370 |
159 |
14 |
0 |
0 |
| VODI |
14 |
124 |
134 |
436 |
692 |
157 |
2 |
0 |
| ODI |
0 |
1 |
14 |
118 |
580 |
449 |
21 |
0 |
| CDI |
0 |
0 |
0 |
29 |
526 |
638 |
105 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
421 |
2458 |
12966 |
2535 |
|
Date: 2022-10-14:
| 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 |
11505 |
8564 |
736 |
652 |
155 |
8 |
0 |
0 |
| OW |
22 |
255 |
189 |
540 |
505 |
48 |
0 |
0 |
| VODI |
2 |
43 |
30 |
199 |
616 |
488 |
10 |
0 |
| ODI |
0 |
2 |
1 |
40 |
310 |
670 |
71 |
0 |
| CDI |
0 |
0 |
0 |
0 |
216 |
1093 |
283 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
24 |
1860 |
13460 |
3268 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11422 |
8153 |
613 |
567 |
158 |
14 |
0 |
0 |
| OW |
64 |
583 |
222 |
410 |
236 |
49 |
1 |
0 |
| VODI |
42 |
109 |
118 |
370 |
640 |
256 |
12 |
0 |
| ODI |
1 |
19 |
3 |
84 |
451 |
628 |
85 |
0 |
| CDI |
0 |
0 |
0 |
0 |
237 |
866 |
321 |
4 |
| VCDI |
0 |
0 |
0 |
1 |
104 |
2354 |
13405 |
3264 |
|
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