Validation of sea ice concentration - Full domain
Bulletin date: 2021-04-01
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-03-26:
| 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 |
68095 |
14938 |
158 |
711 |
250 |
11 |
0 |
0 |
| OW |
53 |
556 |
59 |
527 |
281 |
12 |
0 |
0 |
| VODI |
0 |
336 |
43 |
438 |
524 |
83 |
0 |
0 |
| ODI |
0 |
140 |
15 |
236 |
491 |
147 |
11 |
0 |
| CDI |
0 |
119 |
12 |
188 |
602 |
566 |
61 |
67 |
| VCDI |
0 |
71 |
19 |
376 |
1744 |
5135 |
16401 |
73572 |
|
...date precedes bulletin
|
Date: 2021-03-28:
| 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 |
69772 |
13815 |
135 |
471 |
191 |
2 |
0 |
0 |
| OW |
53 |
628 |
58 |
438 |
234 |
36 |
0 |
0 |
| VODI |
0 |
389 |
53 |
409 |
485 |
124 |
0 |
0 |
| ODI |
0 |
181 |
19 |
225 |
482 |
148 |
17 |
0 |
| CDI |
0 |
128 |
13 |
212 |
545 |
663 |
246 |
2 |
| VCDI |
0 |
205 |
22 |
392 |
1479 |
4599 |
16216 |
73961 |
|
...date precedes bulletin
|
Date: 2021-03-30:
| 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 |
69047 |
14817 |
136 |
527 |
163 |
14 |
0 |
0 |
| OW |
52 |
661 |
68 |
460 |
177 |
3 |
0 |
0 |
| VODI |
0 |
413 |
50 |
552 |
445 |
32 |
0 |
0 |
| ODI |
0 |
213 |
18 |
295 |
723 |
134 |
0 |
0 |
| CDI |
0 |
146 |
19 |
270 |
867 |
860 |
64 |
31 |
| VCDI |
0 |
136 |
20 |
396 |
1623 |
4748 |
19278 |
69590 |
|
...date precedes bulletin
|
Date: 2021-04-01:
| 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 |
68488 |
14744 |
156 |
686 |
277 |
19 |
0 |
0 |
| OW |
52 |
675 |
39 |
446 |
250 |
7 |
0 |
0 |
| VODI |
0 |
445 |
43 |
523 |
569 |
50 |
0 |
0 |
| ODI |
0 |
188 |
20 |
298 |
759 |
216 |
2 |
0 |
| CDI |
0 |
149 |
17 |
315 |
917 |
1378 |
213 |
2 |
| VCDI |
0 |
82 |
20 |
474 |
1769 |
4658 |
19962 |
68140 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68488 |
15205 |
177 |
887 |
313 |
19 |
0 |
0 |
| OW |
52 |
474 |
40 |
529 |
310 |
4 |
0 |
0 |
| VODI |
0 |
277 |
33 |
453 |
818 |
55 |
0 |
0 |
| ODI |
0 |
138 |
13 |
251 |
630 |
269 |
6 |
0 |
| CDI |
0 |
127 |
17 |
246 |
860 |
1571 |
264 |
2 |
| VCDI |
0 |
62 |
15 |
376 |
1610 |
4410 |
19907 |
68140 |
|
Date: 2021-04-03:
| 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 |
68267 |
14661 |
150 |
705 |
317 |
15 |
0 |
0 |
| OW |
53 |
721 |
74 |
424 |
318 |
19 |
0 |
0 |
| VODI |
0 |
399 |
36 |
585 |
584 |
107 |
0 |
0 |
| ODI |
0 |
169 |
29 |
358 |
608 |
311 |
0 |
0 |
| CDI |
0 |
120 |
19 |
282 |
785 |
1578 |
209 |
5 |
| VCDI |
0 |
110 |
22 |
479 |
1752 |
5287 |
23127 |
64363 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68267 |
15138 |
191 |
955 |
397 |
15 |
0 |
0 |
| OW |
53 |
484 |
55 |
596 |
395 |
14 |
0 |
0 |
| VODI |
0 |
255 |
28 |
481 |
718 |
124 |
0 |
0 |
| ODI |
0 |
115 |
24 |
224 |
541 |
430 |
9 |
0 |
| CDI |
0 |
104 |
13 |
205 |
703 |
1679 |
301 |
3 |
| VCDI |
0 |
84 |
19 |
372 |
1610 |
5055 |
23026 |
64365 |
|
Date: 2021-04-05:
| 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 |
68895 |
14957 |
151 |
692 |
226 |
8 |
0 |
0 |
| OW |
61 |
803 |
64 |
500 |
253 |
14 |
0 |
0 |
| VODI |
0 |
429 |
49 |
639 |
619 |
75 |
2 |
0 |
| ODI |
0 |
161 |
18 |
255 |
744 |
260 |
9 |
0 |
| CDI |
0 |
65 |
16 |
313 |
827 |
1526 |
194 |
44 |
| VCDI |
0 |
49 |
10 |
323 |
1410 |
4773 |
20892 |
66722 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68895 |
14814 |
171 |
910 |
381 |
12 |
0 |
0 |
| OW |
61 |
654 |
67 |
529 |
304 |
42 |
0 |
0 |
| VODI |
0 |
363 |
17 |
367 |
582 |
135 |
7 |
0 |
| ODI |
0 |
205 |
18 |
146 |
531 |
328 |
33 |
0 |
| CDI |
0 |
146 |
8 |
174 |
611 |
1428 |
322 |
11 |
| VCDI |
0 |
282 |
27 |
596 |
1670 |
4711 |
20735 |
66755 |
|
Date: 2021-04-07:
| 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 |
68994 |
15147 |
182 |
941 |
240 |
14 |
0 |
0 |
| OW |
60 |
598 |
54 |
427 |
244 |
15 |
0 |
0 |
| VODI |
0 |
440 |
25 |
407 |
583 |
120 |
0 |
0 |
| ODI |
0 |
213 |
26 |
272 |
651 |
232 |
12 |
0 |
| CDI |
0 |
196 |
18 |
227 |
861 |
1057 |
233 |
21 |
| VCDI |
0 |
53 |
30 |
610 |
1625 |
5378 |
19110 |
67732 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68993 |
14788 |
179 |
933 |
347 |
34 |
0 |
0 |
| OW |
61 |
637 |
59 |
487 |
253 |
47 |
0 |
0 |
| VODI |
0 |
467 |
26 |
359 |
600 |
122 |
0 |
0 |
| ODI |
0 |
281 |
14 |
180 |
581 |
295 |
48 |
0 |
| CDI |
0 |
216 |
22 |
203 |
687 |
1022 |
268 |
15 |
| VCDI |
0 |
258 |
35 |
722 |
1736 |
5296 |
19039 |
67738 |
|
Date: 2021-04-09:
| 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 |
69406 |
15201 |
189 |
923 |
295 |
12 |
0 |
0 |
| OW |
60 |
652 |
34 |
411 |
356 |
11 |
0 |
0 |
| VODI |
0 |
530 |
31 |
306 |
693 |
20 |
0 |
0 |
| ODI |
0 |
341 |
34 |
245 |
630 |
240 |
3 |
0 |
| CDI |
0 |
243 |
17 |
240 |
733 |
1559 |
193 |
5 |
| VCDI |
0 |
473 |
76 |
762 |
1616 |
5687 |
17890 |
66931 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69406 |
14739 |
180 |
908 |
396 |
20 |
0 |
0 |
| OW |
60 |
704 |
43 |
441 |
319 |
4 |
0 |
0 |
| VODI |
0 |
495 |
26 |
272 |
679 |
38 |
0 |
0 |
| ODI |
0 |
387 |
19 |
172 |
595 |
351 |
5 |
0 |
| CDI |
0 |
340 |
24 |
202 |
647 |
1318 |
188 |
6 |
| VCDI |
0 |
775 |
89 |
892 |
1687 |
5798 |
17893 |
66930 |
|
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