Validation of sea ice concentration - American sector
Bulletin date: 2020-08-06
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-07-31:
| 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 |
11638 |
5793 |
118 |
593 |
44 |
0 |
0 |
0 |
| OW |
0 |
434 |
36 |
620 |
219 |
0 |
0 |
0 |
| VODI |
0 |
80 |
14 |
675 |
1098 |
0 |
0 |
0 |
| ODI |
0 |
12 |
0 |
92 |
8190 |
381 |
0 |
0 |
| CDI |
0 |
3 |
1 |
21 |
2077 |
12052 |
1126 |
0 |
| VCDI |
0 |
1 |
0 |
16 |
238 |
210 |
84 |
0 |
|
...date precedes bulletin
|
Date: 2020-08-02:
| 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 |
11951 |
5712 |
134 |
675 |
49 |
0 |
0 |
0 |
| OW |
0 |
305 |
37 |
661 |
252 |
0 |
0 |
0 |
| VODI |
0 |
83 |
13 |
856 |
1440 |
91 |
0 |
0 |
| ODI |
0 |
6 |
0 |
89 |
6580 |
1865 |
0 |
0 |
| CDI |
0 |
3 |
3 |
16 |
1268 |
10586 |
2817 |
131 |
| VCDI |
0 |
0 |
0 |
11 |
180 |
52 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2020-08-04:
| 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 |
12277 |
5891 |
104 |
447 |
107 |
0 |
0 |
0 |
| OW |
0 |
148 |
47 |
559 |
106 |
0 |
0 |
0 |
| VODI |
0 |
13 |
4 |
1980 |
1221 |
3 |
0 |
0 |
| ODI |
0 |
4 |
1 |
60 |
6257 |
256 |
0 |
0 |
| CDI |
0 |
0 |
0 |
69 |
1838 |
9719 |
2772 |
34 |
| VCDI |
0 |
0 |
0 |
0 |
22 |
314 |
1584 |
29 |
|
...date precedes bulletin
|
Date: 2020-08-06:
| 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 |
13548 |
4903 |
79 |
479 |
32 |
0 |
0 |
0 |
| OW |
0 |
318 |
48 |
576 |
67 |
0 |
0 |
0 |
| VODI |
0 |
63 |
15 |
2379 |
1982 |
6 |
0 |
0 |
| ODI |
0 |
4 |
1 |
135 |
5384 |
351 |
0 |
0 |
| CDI |
0 |
0 |
0 |
61 |
1940 |
8351 |
3427 |
16 |
| VCDI |
0 |
0 |
0 |
0 |
47 |
276 |
1371 |
7 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13548 |
4978 |
88 |
550 |
35 |
0 |
0 |
0 |
| OW |
0 |
282 |
44 |
510 |
71 |
0 |
0 |
0 |
| VODI |
0 |
24 |
10 |
2268 |
1748 |
6 |
0 |
0 |
| ODI |
0 |
3 |
1 |
235 |
5550 |
357 |
0 |
0 |
| CDI |
0 |
1 |
0 |
67 |
1995 |
8281 |
3425 |
16 |
| VCDI |
0 |
0 |
0 |
0 |
53 |
340 |
1373 |
7 |
|
Date: 2020-08-08:
| 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 |
13841 |
4870 |
75 |
491 |
22 |
0 |
0 |
0 |
| OW |
0 |
451 |
31 |
778 |
69 |
0 |
0 |
0 |
| VODI |
0 |
117 |
25 |
2769 |
2182 |
9 |
0 |
0 |
| ODI |
0 |
8 |
3 |
234 |
4907 |
676 |
1 |
0 |
| CDI |
0 |
2 |
0 |
105 |
1503 |
6362 |
4826 |
0 |
| VCDI |
0 |
0 |
0 |
16 |
92 |
169 |
1232 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13841 |
4989 |
78 |
555 |
23 |
0 |
0 |
0 |
| OW |
0 |
367 |
26 |
781 |
69 |
0 |
0 |
0 |
| VODI |
0 |
81 |
25 |
2584 |
2024 |
7 |
0 |
0 |
| ODI |
0 |
5 |
4 |
349 |
4753 |
510 |
19 |
0 |
| CDI |
0 |
6 |
1 |
106 |
1789 |
6543 |
4749 |
0 |
| VCDI |
0 |
0 |
0 |
18 |
117 |
156 |
1291 |
0 |
|
Date: 2020-08-10:
| 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 |
14210 |
5167 |
77 |
386 |
13 |
0 |
0 |
0 |
| OW |
0 |
255 |
69 |
473 |
13 |
0 |
0 |
0 |
| VODI |
0 |
51 |
16 |
4248 |
548 |
4 |
0 |
0 |
| ODI |
0 |
2 |
0 |
258 |
6189 |
173 |
0 |
0 |
| CDI |
0 |
0 |
0 |
40 |
716 |
6588 |
1192 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
14 |
250 |
4616 |
294 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14210 |
4912 |
83 |
533 |
19 |
0 |
0 |
0 |
| OW |
0 |
400 |
33 |
1025 |
123 |
3 |
0 |
0 |
| VODI |
0 |
132 |
39 |
3063 |
1800 |
39 |
0 |
0 |
| ODI |
0 |
10 |
5 |
642 |
4155 |
569 |
36 |
0 |
| CDI |
0 |
19 |
2 |
131 |
1308 |
6308 |
4615 |
176 |
| VCDI |
0 |
2 |
0 |
15 |
88 |
96 |
1157 |
118 |
|
Date: 2020-08-12:
| 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 |
13962 |
5794 |
78 |
348 |
18 |
0 |
0 |
0 |
| OW |
0 |
394 |
83 |
863 |
11 |
0 |
0 |
0 |
| VODI |
0 |
231 |
40 |
3698 |
963 |
6 |
0 |
0 |
| ODI |
0 |
3 |
2 |
908 |
4928 |
184 |
0 |
0 |
| CDI |
0 |
0 |
0 |
16 |
1334 |
5430 |
1587 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
6 |
956 |
3661 |
359 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13962 |
5468 |
72 |
499 |
19 |
0 |
0 |
0 |
| OW |
0 |
682 |
59 |
1375 |
92 |
11 |
0 |
0 |
| VODI |
0 |
227 |
54 |
3031 |
1430 |
42 |
0 |
0 |
| ODI |
0 |
24 |
11 |
712 |
4089 |
359 |
58 |
0 |
| CDI |
0 |
21 |
7 |
216 |
1593 |
6141 |
4401 |
27 |
| VCDI |
0 |
0 |
0 |
3 |
37 |
23 |
789 |
332 |
|
Date: 2020-08-14:
| 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 |
14579 |
5477 |
79 |
345 |
9 |
0 |
0 |
0 |
| OW |
0 |
939 |
79 |
1065 |
13 |
0 |
0 |
0 |
| VODI |
0 |
221 |
64 |
3380 |
1168 |
7 |
0 |
0 |
| ODI |
0 |
5 |
1 |
715 |
4135 |
371 |
0 |
0 |
| CDI |
0 |
0 |
0 |
15 |
926 |
5972 |
1868 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
6 |
926 |
3041 |
453 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14579 |
5161 |
70 |
517 |
11 |
0 |
0 |
0 |
| OW |
0 |
1092 |
84 |
1578 |
110 |
24 |
0 |
0 |
| VODI |
0 |
327 |
53 |
2481 |
1292 |
42 |
0 |
0 |
| ODI |
0 |
29 |
11 |
741 |
3584 |
566 |
206 |
16 |
| CDI |
0 |
33 |
5 |
205 |
1236 |
6510 |
4138 |
437 |
| VCDI |
0 |
0 |
0 |
5 |
24 |
134 |
565 |
0 |
|
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