Validation of sea ice concentration - Full domain
Bulletin date: 2022-04-21
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-04-15:
| 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 |
61028 |
20528 |
2118 |
757 |
303 |
130 |
43 |
0 |
| OW |
61 |
245 |
210 |
448 |
272 |
81 |
28 |
0 |
| VODI |
0 |
85 |
121 |
409 |
522 |
230 |
49 |
0 |
| ODI |
0 |
17 |
39 |
244 |
621 |
476 |
164 |
0 |
| CDI |
0 |
6 |
14 |
209 |
902 |
1161 |
798 |
4 |
| VCDI |
0 |
2 |
25 |
170 |
806 |
4780 |
37208 |
51734 |
|
...date precedes bulletin
|
Date: 2022-04-17:
| 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 |
62396 |
19420 |
1923 |
752 |
342 |
139 |
57 |
0 |
| OW |
67 |
334 |
212 |
331 |
286 |
111 |
27 |
0 |
| VODI |
0 |
111 |
165 |
372 |
470 |
266 |
58 |
0 |
| ODI |
0 |
15 |
51 |
241 |
480 |
558 |
142 |
0 |
| CDI |
0 |
1 |
16 |
156 |
805 |
1198 |
688 |
10 |
| VCDI |
0 |
2 |
14 |
173 |
934 |
5459 |
36442 |
51824 |
|
...date precedes bulletin
|
Date: 2022-04-19:
| 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 |
61074 |
21425 |
1457 |
566 |
210 |
62 |
68 |
0 |
| OW |
61 |
292 |
280 |
409 |
212 |
58 |
17 |
0 |
| VODI |
0 |
65 |
151 |
480 |
502 |
219 |
47 |
0 |
| ODI |
0 |
7 |
28 |
210 |
703 |
455 |
122 |
0 |
| CDI |
0 |
3 |
5 |
107 |
608 |
1639 |
849 |
3 |
| VCDI |
0 |
0 |
2 |
75 |
616 |
4776 |
34420 |
54765 |
|
...date precedes bulletin
|
Date: 2022-04-21:
| 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 |
63161 |
19319 |
1447 |
673 |
215 |
33 |
64 |
0 |
| OW |
61 |
358 |
253 |
421 |
264 |
76 |
17 |
0 |
| VODI |
1 |
114 |
128 |
471 |
610 |
272 |
64 |
0 |
| ODI |
0 |
14 |
53 |
173 |
473 |
443 |
132 |
0 |
| CDI |
0 |
5 |
31 |
123 |
594 |
1571 |
638 |
0 |
| VCDI |
0 |
2 |
4 |
91 |
800 |
5650 |
36735 |
51494 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63161 |
19338 |
1466 |
675 |
250 |
39 |
64 |
0 |
| OW |
61 |
324 |
259 |
492 |
257 |
90 |
12 |
0 |
| VODI |
1 |
121 |
98 |
418 |
611 |
267 |
65 |
0 |
| ODI |
0 |
19 |
57 |
147 |
480 |
467 |
135 |
0 |
| CDI |
0 |
8 |
31 |
129 |
560 |
1477 |
621 |
0 |
| VCDI |
0 |
2 |
5 |
91 |
798 |
5705 |
36753 |
51494 |
|
Date: 2022-04-23:
| 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 |
63801 |
19095 |
948 |
846 |
213 |
38 |
51 |
0 |
| OW |
52 |
297 |
233 |
481 |
478 |
83 |
21 |
0 |
| VODI |
0 |
87 |
139 |
467 |
527 |
242 |
106 |
0 |
| ODI |
0 |
10 |
36 |
201 |
454 |
442 |
203 |
1 |
| CDI |
0 |
5 |
18 |
104 |
706 |
1359 |
784 |
10 |
| VCDI |
0 |
3 |
5 |
58 |
428 |
5202 |
37456 |
51358 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63801 |
19078 |
972 |
933 |
267 |
41 |
53 |
0 |
| OW |
52 |
296 |
223 |
439 |
407 |
95 |
22 |
0 |
| VODI |
0 |
99 |
117 |
435 |
591 |
241 |
98 |
0 |
| ODI |
0 |
14 |
43 |
176 |
460 |
501 |
210 |
1 |
| CDI |
0 |
7 |
19 |
130 |
669 |
1306 |
814 |
7 |
| VCDI |
0 |
3 |
5 |
44 |
412 |
5182 |
37424 |
51361 |
|
Date: 2022-04-25:
| 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 |
63409 |
18463 |
1678 |
893 |
228 |
60 |
57 |
0 |
| OW |
62 |
208 |
302 |
553 |
326 |
44 |
5 |
0 |
| VODI |
0 |
43 |
109 |
500 |
765 |
166 |
14 |
0 |
| ODI |
0 |
2 |
16 |
179 |
572 |
624 |
76 |
0 |
| CDI |
0 |
1 |
8 |
121 |
570 |
1696 |
765 |
0 |
| VCDI |
0 |
0 |
0 |
14 |
434 |
4946 |
36939 |
52200 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63404 |
18438 |
1717 |
1140 |
533 |
94 |
61 |
0 |
| OW |
66 |
195 |
240 |
350 |
433 |
141 |
19 |
0 |
| VODI |
1 |
63 |
106 |
360 |
482 |
353 |
75 |
0 |
| ODI |
0 |
15 |
32 |
195 |
393 |
573 |
199 |
0 |
| CDI |
0 |
6 |
18 |
158 |
426 |
1194 |
913 |
0 |
| VCDI |
0 |
0 |
0 |
57 |
628 |
5181 |
36589 |
52200 |
|
Date: 2022-04-27:
| 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 |
57298 |
19650 |
6659 |
996 |
270 |
66 |
35 |
0 |
| OW |
58 |
141 |
196 |
631 |
372 |
59 |
14 |
0 |
| VODI |
0 |
60 |
78 |
446 |
689 |
277 |
24 |
0 |
| ODI |
0 |
19 |
32 |
185 |
495 |
526 |
109 |
0 |
| CDI |
0 |
0 |
11 |
200 |
653 |
1522 |
864 |
7 |
| VCDI |
0 |
2 |
1 |
147 |
771 |
5436 |
41425 |
46624 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57298 |
19401 |
6646 |
1285 |
607 |
124 |
52 |
0 |
| OW |
58 |
290 |
128 |
355 |
396 |
161 |
23 |
0 |
| VODI |
0 |
103 |
111 |
349 |
435 |
362 |
88 |
0 |
| ODI |
0 |
49 |
52 |
190 |
440 |
601 |
201 |
0 |
| CDI |
0 |
27 |
37 |
203 |
492 |
1105 |
795 |
16 |
| VCDI |
0 |
2 |
3 |
223 |
880 |
5533 |
41312 |
46615 |
|
Date: 2022-04-29:
| 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 |
57891 |
19774 |
5566 |
1133 |
450 |
100 |
14 |
0 |
| OW |
51 |
281 |
183 |
488 |
479 |
109 |
4 |
0 |
| VODI |
0 |
95 |
108 |
365 |
655 |
353 |
70 |
0 |
| ODI |
0 |
32 |
24 |
211 |
500 |
490 |
138 |
0 |
| CDI |
0 |
28 |
12 |
188 |
806 |
1381 |
759 |
11 |
| VCDI |
0 |
26 |
47 |
261 |
1481 |
9316 |
38571 |
44597 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57891 |
19712 |
5564 |
1303 |
756 |
208 |
27 |
0 |
| OW |
51 |
269 |
130 |
303 |
515 |
216 |
38 |
0 |
| VODI |
0 |
130 |
95 |
308 |
433 |
366 |
107 |
0 |
| ODI |
0 |
50 |
62 |
202 |
389 |
541 |
241 |
0 |
| CDI |
0 |
53 |
43 |
232 |
731 |
1336 |
830 |
24 |
| VCDI |
0 |
22 |
46 |
298 |
1547 |
9082 |
38313 |
44584 |
|
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