Validation of sea ice concentration - American sector
Bulletin date: 2017-12-21
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2017-12-15:
| 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 |
0 |
960 |
22 |
141 |
96 |
74 |
0 |
0 |
| OW |
0 |
262 |
17 |
391 |
210 |
109 |
0 |
0 |
| VODI |
0 |
116 |
15 |
283 |
460 |
176 |
0 |
0 |
| ODI |
0 |
21 |
4 |
89 |
519 |
210 |
7 |
0 |
| CDI |
0 |
5 |
1 |
52 |
493 |
615 |
103 |
7 |
| VCDI |
0 |
0 |
0 |
24 |
393 |
5186 |
11521 |
23284 |
|
...date precedes bulletin
|
Date: 2017-12-17:
| 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 |
0 |
514 |
29 |
134 |
16 |
0 |
0 |
0 |
| OW |
0 |
350 |
20 |
198 |
135 |
119 |
0 |
0 |
| VODI |
0 |
43 |
4 |
183 |
520 |
421 |
0 |
0 |
| ODI |
0 |
0 |
2 |
74 |
313 |
414 |
50 |
0 |
| CDI |
0 |
0 |
0 |
52 |
336 |
549 |
246 |
18 |
| VCDI |
0 |
0 |
0 |
3 |
346 |
4249 |
13433 |
23095 |
|
...date precedes bulletin
|
Date: 2017-12-19:
| 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 |
0 |
272 |
22 |
86 |
49 |
0 |
0 |
0 |
| OW |
0 |
159 |
13 |
204 |
94 |
8 |
0 |
0 |
| VODI |
0 |
72 |
18 |
269 |
449 |
96 |
2 |
0 |
| ODI |
0 |
14 |
4 |
112 |
388 |
527 |
14 |
0 |
| CDI |
0 |
0 |
1 |
66 |
176 |
1007 |
230 |
6 |
| VCDI |
0 |
0 |
0 |
6 |
191 |
3338 |
12435 |
25538 |
|
...date precedes bulletin
|
Date: 2017-12-21:
| 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 |
0 |
286 |
16 |
68 |
16 |
0 |
0 |
0 |
| OW |
0 |
127 |
14 |
86 |
79 |
28 |
0 |
0 |
| VODI |
0 |
54 |
7 |
309 |
241 |
54 |
12 |
0 |
| ODI |
0 |
16 |
1 |
200 |
322 |
256 |
84 |
0 |
| CDI |
0 |
21 |
3 |
59 |
174 |
860 |
517 |
21 |
| VCDI |
0 |
9 |
1 |
52 |
178 |
2335 |
12807 |
26553 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
282 |
10 |
61 |
38 |
5 |
0 |
0 |
| OW |
0 |
105 |
16 |
68 |
63 |
37 |
0 |
0 |
| VODI |
0 |
75 |
9 |
283 |
148 |
43 |
50 |
0 |
| ODI |
0 |
26 |
3 |
239 |
356 |
238 |
145 |
0 |
| CDI |
0 |
17 |
3 |
66 |
227 |
784 |
535 |
23 |
| VCDI |
0 |
8 |
1 |
57 |
178 |
2426 |
12690 |
26551 |
|
Date: 2017-12-23:
| 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 |
0 |
402 |
7 |
22 |
0 |
0 |
0 |
0 |
| OW |
0 |
136 |
13 |
61 |
29 |
0 |
0 |
0 |
| VODI |
0 |
48 |
7 |
143 |
179 |
26 |
0 |
0 |
| ODI |
0 |
29 |
8 |
137 |
411 |
191 |
3 |
0 |
| CDI |
0 |
33 |
4 |
70 |
279 |
847 |
169 |
23 |
| VCDI |
0 |
18 |
4 |
44 |
236 |
3107 |
13569 |
25611 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
386 |
8 |
20 |
3 |
0 |
0 |
0 |
| OW |
0 |
124 |
9 |
52 |
53 |
1 |
0 |
0 |
| VODI |
0 |
71 |
12 |
167 |
110 |
35 |
0 |
0 |
| ODI |
0 |
48 |
6 |
130 |
334 |
232 |
19 |
0 |
| CDI |
0 |
25 |
5 |
80 |
404 |
836 |
209 |
26 |
| VCDI |
0 |
12 |
3 |
28 |
230 |
3067 |
13513 |
25608 |
|
Date: 2017-12-25:
| 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 |
0 |
553 |
18 |
43 |
0 |
0 |
0 |
0 |
| OW |
0 |
36 |
22 |
119 |
36 |
2 |
0 |
0 |
| VODI |
0 |
0 |
0 |
80 |
172 |
47 |
0 |
0 |
| ODI |
0 |
0 |
0 |
27 |
397 |
434 |
76 |
0 |
| CDI |
0 |
0 |
0 |
5 |
221 |
732 |
290 |
31 |
| VCDI |
0 |
0 |
0 |
0 |
83 |
2352 |
13171 |
26919 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
366 |
5 |
8 |
0 |
0 |
0 |
0 |
| OW |
0 |
154 |
20 |
69 |
29 |
0 |
0 |
0 |
| VODI |
0 |
69 |
15 |
91 |
95 |
79 |
0 |
0 |
| ODI |
0 |
0 |
0 |
59 |
150 |
268 |
119 |
0 |
| CDI |
0 |
0 |
0 |
33 |
285 |
583 |
473 |
50 |
| VCDI |
0 |
0 |
0 |
14 |
350 |
2637 |
12945 |
26900 |
|
Date: 2017-12-27:
| 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 |
0 |
409 |
28 |
118 |
28 |
0 |
0 |
0 |
| OW |
0 |
12 |
9 |
79 |
70 |
7 |
0 |
0 |
| VODI |
0 |
0 |
0 |
4 |
129 |
31 |
1 |
0 |
| ODI |
0 |
0 |
0 |
2 |
151 |
133 |
28 |
0 |
| CDI |
0 |
0 |
0 |
13 |
379 |
559 |
116 |
8 |
| VCDI |
0 |
0 |
0 |
0 |
45 |
1833 |
13290 |
28384 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
156 |
3 |
21 |
1 |
0 |
0 |
0 |
| OW |
0 |
170 |
13 |
55 |
15 |
0 |
0 |
0 |
| VODI |
0 |
80 |
15 |
81 |
87 |
12 |
0 |
0 |
| ODI |
0 |
15 |
6 |
35 |
96 |
131 |
24 |
0 |
| CDI |
0 |
0 |
0 |
12 |
164 |
510 |
332 |
34 |
| VCDI |
0 |
0 |
0 |
12 |
439 |
1910 |
13079 |
28358 |
|
Date: 2017-12-29:
| 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 |
0 |
245 |
14 |
92 |
2 |
0 |
0 |
0 |
| OW |
0 |
20 |
8 |
68 |
79 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
32 |
114 |
32 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
106 |
110 |
0 |
0 |
| CDI |
0 |
0 |
0 |
10 |
170 |
328 |
39 |
12 |
| VCDI |
0 |
0 |
0 |
3 |
217 |
2042 |
10845 |
31278 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
48 |
5 |
34 |
0 |
0 |
0 |
0 |
| OW |
0 |
123 |
7 |
59 |
10 |
0 |
0 |
0 |
| VODI |
0 |
68 |
6 |
54 |
138 |
1 |
0 |
0 |
| ODI |
0 |
25 |
3 |
24 |
58 |
119 |
9 |
0 |
| CDI |
0 |
1 |
1 |
24 |
136 |
337 |
176 |
194 |
| VCDI |
0 |
0 |
0 |
10 |
346 |
2055 |
10699 |
31096 |
|
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