Validation of sea ice concentration - American sector
Bulletin date: 2017-10-26
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2017-10-20:
| 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 |
11273 |
8167 |
126 |
625 |
478 |
76 |
0 |
0 |
| OW |
2 |
248 |
28 |
258 |
280 |
191 |
0 |
0 |
| VODI |
0 |
62 |
16 |
176 |
485 |
339 |
12 |
0 |
| ODI |
0 |
32 |
4 |
77 |
232 |
339 |
37 |
0 |
| CDI |
0 |
6 |
8 |
69 |
228 |
526 |
207 |
2 |
| VCDI |
0 |
0 |
0 |
22 |
186 |
1613 |
10453 |
8983 |
|
...date precedes bulletin
|
Date: 2017-10-22:
| 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 |
8907 |
9644 |
142 |
651 |
505 |
184 |
0 |
0 |
| OW |
6 |
298 |
33 |
304 |
269 |
174 |
0 |
0 |
| VODI |
0 |
120 |
26 |
241 |
311 |
387 |
13 |
0 |
| ODI |
0 |
26 |
5 |
84 |
375 |
382 |
53 |
0 |
| CDI |
0 |
20 |
1 |
34 |
299 |
461 |
104 |
0 |
| VCDI |
0 |
7 |
5 |
36 |
192 |
2485 |
6564 |
12518 |
|
...date precedes bulletin
|
Date: 2017-10-24:
| 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 |
10802 |
7918 |
124 |
522 |
271 |
49 |
9 |
0 |
| OW |
11 |
323 |
52 |
387 |
242 |
115 |
75 |
0 |
| VODI |
0 |
40 |
13 |
262 |
504 |
144 |
120 |
0 |
| ODI |
0 |
0 |
0 |
125 |
541 |
362 |
130 |
0 |
| CDI |
0 |
0 |
0 |
9 |
202 |
516 |
279 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
127 |
1409 |
5264 |
14919 |
|
...date precedes bulletin
|
Date: 2017-10-26:
| 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 |
9958 |
7668 |
121 |
499 |
300 |
78 |
0 |
0 |
| OW |
8 |
370 |
66 |
522 |
185 |
118 |
24 |
0 |
| VODI |
0 |
61 |
10 |
353 |
558 |
198 |
116 |
0 |
| ODI |
0 |
3 |
0 |
47 |
455 |
330 |
108 |
0 |
| CDI |
0 |
0 |
0 |
1 |
274 |
940 |
200 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
95 |
1192 |
5608 |
15400 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9955 |
7746 |
129 |
637 |
319 |
82 |
0 |
0 |
| OW |
11 |
313 |
59 |
460 |
198 |
85 |
5 |
0 |
| VODI |
0 |
42 |
9 |
288 |
585 |
253 |
144 |
0 |
| ODI |
0 |
1 |
0 |
34 |
426 |
368 |
96 |
0 |
| CDI |
0 |
0 |
0 |
3 |
243 |
864 |
209 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
96 |
1204 |
5602 |
15400 |
|
Date: 2017-10-28:
| 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 |
9055 |
7479 |
99 |
516 |
483 |
91 |
0 |
0 |
| OW |
8 |
532 |
64 |
406 |
169 |
183 |
0 |
0 |
| VODI |
0 |
98 |
19 |
390 |
404 |
256 |
5 |
0 |
| ODI |
1 |
8 |
6 |
83 |
417 |
329 |
12 |
0 |
| CDI |
0 |
0 |
0 |
28 |
396 |
875 |
72 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
153 |
2304 |
5627 |
15297 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9053 |
7555 |
117 |
711 |
524 |
122 |
0 |
0 |
| OW |
10 |
414 |
41 |
268 |
207 |
154 |
0 |
0 |
| VODI |
0 |
145 |
25 |
352 |
382 |
276 |
4 |
0 |
| ODI |
1 |
3 |
5 |
70 |
412 |
373 |
9 |
0 |
| CDI |
0 |
0 |
0 |
22 |
332 |
815 |
75 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
165 |
2298 |
5628 |
15297 |
|
Date: 2017-10-30:
| 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 |
8702 |
7700 |
104 |
570 |
340 |
3 |
0 |
0 |
| OW |
6 |
239 |
59 |
558 |
288 |
41 |
0 |
0 |
| VODI |
0 |
28 |
10 |
378 |
571 |
224 |
0 |
0 |
| ODI |
0 |
0 |
0 |
38 |
603 |
543 |
0 |
0 |
| CDI |
0 |
0 |
0 |
10 |
255 |
1020 |
102 |
3 |
| VCDI |
0 |
0 |
0 |
0 |
80 |
1613 |
6477 |
15301 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8696 |
7408 |
84 |
632 |
532 |
89 |
0 |
0 |
| OW |
12 |
407 |
53 |
337 |
220 |
187 |
0 |
0 |
| VODI |
0 |
136 |
29 |
421 |
388 |
298 |
0 |
0 |
| ODI |
0 |
16 |
5 |
92 |
309 |
291 |
10 |
0 |
| CDI |
0 |
0 |
2 |
62 |
359 |
439 |
91 |
0 |
| VCDI |
0 |
0 |
0 |
10 |
329 |
2140 |
6478 |
15304 |
|
Date: 2017-11-01:
| 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 |
7908 |
8003 |
118 |
457 |
258 |
4 |
0 |
0 |
| OW |
18 |
452 |
68 |
461 |
375 |
22 |
0 |
0 |
| VODI |
0 |
54 |
15 |
279 |
513 |
150 |
0 |
0 |
| ODI |
0 |
19 |
5 |
102 |
488 |
304 |
15 |
0 |
| CDI |
0 |
0 |
0 |
27 |
379 |
845 |
79 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
193 |
2085 |
6167 |
15997 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7900 |
7752 |
110 |
461 |
514 |
91 |
0 |
0 |
| OW |
25 |
558 |
47 |
290 |
303 |
120 |
1 |
0 |
| VODI |
1 |
191 |
44 |
428 |
416 |
470 |
16 |
0 |
| ODI |
0 |
20 |
2 |
86 |
431 |
251 |
62 |
0 |
| CDI |
0 |
7 |
3 |
30 |
284 |
443 |
95 |
0 |
| VCDI |
0 |
0 |
0 |
37 |
258 |
2035 |
6087 |
15997 |
|
Date: 2017-11-03:
| 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 |
7866 |
7548 |
85 |
295 |
156 |
24 |
0 |
0 |
| OW |
50 |
898 |
75 |
448 |
227 |
55 |
0 |
0 |
| VODI |
12 |
97 |
23 |
408 |
458 |
130 |
0 |
0 |
| ODI |
0 |
0 |
0 |
129 |
420 |
309 |
0 |
0 |
| CDI |
0 |
0 |
0 |
20 |
428 |
773 |
24 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
268 |
5326 |
6192 |
13122 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7860 |
7130 |
73 |
354 |
288 |
144 |
0 |
0 |
| OW |
47 |
881 |
54 |
225 |
263 |
135 |
0 |
0 |
| VODI |
21 |
518 |
45 |
432 |
246 |
533 |
0 |
0 |
| ODI |
0 |
13 |
11 |
174 |
369 |
446 |
47 |
0 |
| CDI |
0 |
1 |
0 |
77 |
321 |
518 |
33 |
0 |
| VCDI |
0 |
0 |
0 |
38 |
470 |
4841 |
6136 |
13122 |
|
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