Validation of sea ice concentration - Full domain
Bulletin date: 2021-03-25
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-03-19:
| 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 |
68437 |
14470 |
131 |
503 |
236 |
41 |
0 |
0 |
| OW |
64 |
578 |
75 |
459 |
147 |
21 |
1 |
0 |
| VODI |
0 |
215 |
55 |
613 |
416 |
66 |
2 |
0 |
| ODI |
0 |
53 |
20 |
299 |
687 |
136 |
1 |
0 |
| CDI |
0 |
21 |
6 |
168 |
1022 |
800 |
89 |
7 |
| VCDI |
0 |
9 |
3 |
71 |
1141 |
5642 |
14355 |
75988 |
|
...date precedes bulletin
|
Date: 2021-03-21:
| 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 |
68142 |
14701 |
161 |
571 |
177 |
24 |
0 |
0 |
| OW |
54 |
519 |
78 |
506 |
216 |
5 |
0 |
0 |
| VODI |
0 |
301 |
31 |
477 |
508 |
33 |
0 |
0 |
| ODI |
0 |
151 |
21 |
246 |
594 |
206 |
2 |
0 |
| CDI |
0 |
71 |
18 |
191 |
834 |
1044 |
235 |
11 |
| VCDI |
0 |
62 |
9 |
332 |
1820 |
5454 |
21323 |
67920 |
|
...date precedes bulletin
|
Date: 2021-03-23:
| 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 |
67921 |
15117 |
184 |
659 |
212 |
13 |
0 |
0 |
| OW |
53 |
472 |
64 |
592 |
197 |
6 |
0 |
0 |
| VODI |
0 |
244 |
39 |
522 |
637 |
45 |
0 |
0 |
| ODI |
0 |
93 |
16 |
252 |
783 |
158 |
0 |
0 |
| CDI |
0 |
68 |
9 |
160 |
899 |
779 |
66 |
28 |
| VCDI |
0 |
130 |
17 |
285 |
1505 |
5322 |
20214 |
69287 |
|
...date precedes bulletin
|
Date: 2021-03-25:
| 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 |
67916 |
15001 |
175 |
739 |
240 |
7 |
0 |
0 |
| OW |
53 |
533 |
51 |
464 |
328 |
11 |
0 |
0 |
| VODI |
0 |
332 |
41 |
398 |
587 |
114 |
4 |
0 |
| ODI |
0 |
133 |
15 |
246 |
489 |
231 |
33 |
0 |
| CDI |
0 |
115 |
8 |
179 |
654 |
664 |
32 |
52 |
| VCDI |
0 |
182 |
26 |
423 |
1823 |
4819 |
17778 |
72152 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67916 |
15011 |
180 |
853 |
277 |
9 |
0 |
0 |
| OW |
53 |
509 |
50 |
387 |
362 |
10 |
0 |
0 |
| VODI |
0 |
328 |
37 |
378 |
534 |
105 |
3 |
0 |
| ODI |
0 |
140 |
18 |
252 |
472 |
227 |
39 |
0 |
| CDI |
0 |
112 |
5 |
163 |
685 |
640 |
22 |
63 |
| VCDI |
0 |
196 |
26 |
416 |
1791 |
4855 |
17783 |
72141 |
|
Date: 2021-03-27:
| 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 |
68627 |
14653 |
151 |
614 |
226 |
17 |
0 |
0 |
| OW |
53 |
569 |
63 |
532 |
233 |
8 |
0 |
0 |
| VODI |
0 |
363 |
35 |
445 |
504 |
89 |
0 |
0 |
| ODI |
0 |
166 |
22 |
188 |
513 |
149 |
0 |
0 |
| CDI |
0 |
114 |
10 |
174 |
622 |
716 |
102 |
14 |
| VCDI |
0 |
89 |
18 |
343 |
1620 |
4861 |
16925 |
73220 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68627 |
14696 |
157 |
749 |
239 |
17 |
0 |
0 |
| OW |
53 |
501 |
54 |
466 |
226 |
3 |
0 |
0 |
| VODI |
0 |
363 |
37 |
369 |
507 |
81 |
0 |
0 |
| ODI |
0 |
176 |
20 |
189 |
511 |
151 |
0 |
0 |
| CDI |
0 |
139 |
12 |
157 |
616 |
700 |
92 |
10 |
| VCDI |
0 |
79 |
19 |
366 |
1619 |
4888 |
16935 |
73224 |
|
Date: 2021-03-29:
| 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 |
69700 |
14324 |
135 |
459 |
125 |
4 |
0 |
0 |
| OW |
52 |
584 |
70 |
447 |
206 |
13 |
0 |
0 |
| VODI |
0 |
366 |
40 |
476 |
573 |
76 |
0 |
0 |
| ODI |
0 |
135 |
12 |
260 |
901 |
178 |
17 |
0 |
| CDI |
0 |
120 |
12 |
258 |
878 |
1088 |
153 |
0 |
| VCDI |
0 |
96 |
17 |
255 |
1154 |
4199 |
19441 |
70224 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69699 |
13898 |
138 |
582 |
328 |
5 |
0 |
0 |
| OW |
53 |
548 |
48 |
281 |
360 |
21 |
0 |
0 |
| VODI |
0 |
386 |
30 |
307 |
531 |
98 |
0 |
0 |
| ODI |
0 |
235 |
18 |
200 |
413 |
203 |
16 |
0 |
| CDI |
0 |
207 |
15 |
196 |
547 |
836 |
217 |
2 |
| VCDI |
0 |
351 |
37 |
589 |
1658 |
4395 |
19378 |
70222 |
|
Date: 2021-03-31:
| 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 |
68834 |
14777 |
145 |
613 |
203 |
14 |
0 |
0 |
| OW |
52 |
650 |
48 |
476 |
214 |
3 |
0 |
0 |
| VODI |
0 |
442 |
44 |
461 |
556 |
61 |
0 |
0 |
| ODI |
0 |
262 |
18 |
180 |
716 |
155 |
0 |
0 |
| CDI |
0 |
181 |
21 |
199 |
934 |
1102 |
111 |
27 |
| VCDI |
0 |
119 |
18 |
488 |
1620 |
5062 |
21685 |
66557 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68834 |
14500 |
155 |
840 |
382 |
14 |
0 |
0 |
| OW |
52 |
591 |
41 |
323 |
348 |
18 |
0 |
0 |
| VODI |
0 |
384 |
21 |
327 |
513 |
104 |
0 |
0 |
| ODI |
0 |
239 |
25 |
161 |
487 |
192 |
1 |
0 |
| CDI |
0 |
257 |
15 |
163 |
767 |
792 |
153 |
80 |
| VCDI |
0 |
460 |
37 |
603 |
1746 |
5277 |
21642 |
66504 |
|
Date: 2021-04-02:
| 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 |
68195 |
14842 |
167 |
698 |
334 |
17 |
0 |
0 |
| OW |
52 |
614 |
61 |
487 |
281 |
14 |
0 |
0 |
| VODI |
0 |
358 |
34 |
576 |
578 |
103 |
0 |
0 |
| ODI |
0 |
159 |
25 |
298 |
724 |
237 |
4 |
0 |
| CDI |
0 |
133 |
19 |
239 |
909 |
1614 |
173 |
4 |
| VCDI |
0 |
78 |
20 |
409 |
1731 |
5098 |
21695 |
66068 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68195 |
14688 |
191 |
1071 |
625 |
63 |
0 |
0 |
| OW |
52 |
519 |
29 |
346 |
340 |
114 |
0 |
0 |
| VODI |
0 |
331 |
31 |
290 |
564 |
181 |
2 |
0 |
| ODI |
0 |
187 |
24 |
174 |
593 |
293 |
65 |
7 |
| CDI |
0 |
203 |
19 |
206 |
794 |
1353 |
348 |
28 |
| VCDI |
0 |
256 |
32 |
620 |
1641 |
5079 |
21457 |
66037 |
|
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