Validation of sea ice concentration - Full domain
Bulletin date: 2022-04-28
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-04-22:
| 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 |
64495 |
18346 |
993 |
764 |
289 |
70 |
39 |
0 |
| OW |
53 |
285 |
218 |
459 |
450 |
111 |
6 |
0 |
| VODI |
0 |
109 |
107 |
387 |
596 |
302 |
74 |
0 |
| ODI |
0 |
15 |
44 |
130 |
455 |
532 |
109 |
0 |
| CDI |
0 |
7 |
22 |
110 |
562 |
1613 |
624 |
0 |
| VCDI |
0 |
0 |
4 |
76 |
796 |
5735 |
35158 |
52903 |
|
...date precedes bulletin
|
Date: 2022-04-24:
| 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 |
65988 |
16605 |
1065 |
990 |
292 |
64 |
69 |
0 |
| OW |
53 |
274 |
199 |
470 |
537 |
123 |
6 |
0 |
| VODI |
0 |
102 |
115 |
384 |
481 |
328 |
57 |
0 |
| ODI |
0 |
14 |
41 |
211 |
393 |
488 |
177 |
0 |
| CDI |
0 |
8 |
23 |
135 |
574 |
1337 |
749 |
1 |
| VCDI |
0 |
0 |
4 |
63 |
433 |
4429 |
36217 |
53549 |
|
...date precedes bulletin
|
Date: 2022-04-26:
| 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 |
58496 |
21429 |
3564 |
1106 |
299 |
67 |
42 |
0 |
| OW |
60 |
137 |
193 |
561 |
447 |
52 |
10 |
0 |
| VODI |
0 |
43 |
79 |
422 |
727 |
274 |
30 |
0 |
| ODI |
0 |
11 |
24 |
170 |
551 |
567 |
96 |
0 |
| CDI |
0 |
2 |
14 |
149 |
582 |
1663 |
727 |
8 |
| VCDI |
0 |
0 |
0 |
69 |
573 |
4935 |
40669 |
48200 |
|
...date precedes bulletin
|
Date: 2022-04-28:
| 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 |
58287 |
19846 |
5361 |
1017 |
300 |
110 |
24 |
0 |
| OW |
60 |
133 |
266 |
491 |
506 |
89 |
3 |
0 |
| VODI |
0 |
87 |
87 |
334 |
662 |
364 |
41 |
0 |
| ODI |
0 |
28 |
23 |
200 |
470 |
515 |
114 |
0 |
| CDI |
0 |
14 |
15 |
184 |
789 |
1537 |
807 |
7 |
| VCDI |
0 |
1 |
21 |
194 |
1179 |
8840 |
37558 |
46484 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58287 |
19859 |
5420 |
1102 |
347 |
110 |
24 |
0 |
| OW |
60 |
119 |
204 |
398 |
446 |
112 |
6 |
0 |
| VODI |
0 |
84 |
83 |
332 |
605 |
347 |
42 |
0 |
| ODI |
0 |
30 |
27 |
215 |
537 |
551 |
138 |
0 |
| CDI |
0 |
16 |
19 |
182 |
781 |
1523 |
775 |
20 |
| VCDI |
0 |
1 |
20 |
191 |
1190 |
8812 |
37562 |
46471 |
|
Date: 2022-04-30:
| 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 |
58451 |
19940 |
4264 |
1620 |
559 |
109 |
10 |
0 |
| OW |
51 |
319 |
143 |
476 |
499 |
119 |
20 |
0 |
| VODI |
0 |
101 |
95 |
379 |
627 |
370 |
109 |
0 |
| ODI |
0 |
26 |
22 |
195 |
530 |
469 |
174 |
0 |
| CDI |
0 |
32 |
15 |
206 |
851 |
1425 |
859 |
64 |
| VCDI |
0 |
41 |
52 |
406 |
1751 |
9011 |
34147 |
48511 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58451 |
19972 |
4274 |
1699 |
607 |
138 |
12 |
0 |
| OW |
51 |
278 |
140 |
391 |
433 |
127 |
31 |
0 |
| VODI |
0 |
102 |
86 |
372 |
607 |
297 |
104 |
0 |
| ODI |
0 |
33 |
26 |
210 |
563 |
533 |
178 |
0 |
| CDI |
0 |
31 |
12 |
196 |
845 |
1398 |
853 |
63 |
| VCDI |
0 |
43 |
53 |
414 |
1762 |
9010 |
34141 |
48512 |
|
Date: 2022-05-02:
| 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 |
62591 |
18676 |
2251 |
954 |
440 |
86 |
4 |
0 |
| OW |
63 |
189 |
213 |
446 |
354 |
93 |
4 |
0 |
| VODI |
7 |
41 |
91 |
453 |
667 |
198 |
35 |
0 |
| ODI |
0 |
15 |
21 |
198 |
883 |
557 |
152 |
0 |
| CDI |
0 |
19 |
35 |
178 |
893 |
2047 |
900 |
9 |
| VCDI |
0 |
17 |
74 |
249 |
1757 |
8241 |
38531 |
44416 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62598 |
18474 |
2229 |
1149 |
684 |
170 |
9 |
0 |
| OW |
60 |
316 |
147 |
264 |
388 |
159 |
46 |
0 |
| VODI |
3 |
101 |
129 |
333 |
564 |
293 |
111 |
0 |
| ODI |
0 |
13 |
43 |
197 |
559 |
513 |
199 |
0 |
| CDI |
0 |
18 |
32 |
207 |
821 |
1787 |
1127 |
16 |
| VCDI |
0 |
35 |
105 |
328 |
1978 |
8300 |
38134 |
44409 |
|
Date: 2022-05-04:
| 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 |
63886 |
18258 |
1381 |
1070 |
421 |
116 |
14 |
0 |
| OW |
59 |
106 |
150 |
472 |
363 |
149 |
25 |
0 |
| VODI |
0 |
30 |
55 |
351 |
754 |
283 |
89 |
0 |
| ODI |
0 |
11 |
19 |
205 |
608 |
568 |
163 |
0 |
| CDI |
0 |
24 |
26 |
174 |
965 |
2504 |
1128 |
40 |
| VCDI |
0 |
19 |
70 |
374 |
1356 |
7588 |
43084 |
40090 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63886 |
17795 |
1286 |
1200 |
639 |
229 |
48 |
0 |
| OW |
59 |
414 |
136 |
282 |
315 |
189 |
59 |
0 |
| VODI |
0 |
167 |
128 |
323 |
557 |
359 |
105 |
0 |
| ODI |
0 |
19 |
31 |
193 |
581 |
580 |
199 |
0 |
| CDI |
0 |
8 |
30 |
182 |
842 |
2154 |
1181 |
53 |
| VCDI |
0 |
45 |
90 |
466 |
1533 |
7697 |
42911 |
40077 |
|
Date: 2022-05-06:
| 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 |
61662 |
20724 |
1352 |
958 |
379 |
146 |
6 |
0 |
| OW |
62 |
143 |
195 |
485 |
343 |
143 |
28 |
0 |
| VODI |
1 |
43 |
89 |
352 |
614 |
332 |
97 |
0 |
| ODI |
0 |
18 |
39 |
221 |
536 |
557 |
224 |
0 |
| CDI |
0 |
33 |
45 |
272 |
899 |
2250 |
1301 |
40 |
| VCDI |
0 |
32 |
65 |
436 |
1616 |
8063 |
42438 |
39809 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61652 |
20311 |
1345 |
1140 |
634 |
264 |
36 |
0 |
| OW |
73 |
313 |
120 |
298 |
322 |
210 |
64 |
0 |
| VODI |
0 |
269 |
122 |
294 |
477 |
411 |
164 |
0 |
| ODI |
0 |
22 |
76 |
249 |
391 |
567 |
271 |
0 |
| CDI |
0 |
23 |
31 |
266 |
735 |
1643 |
1154 |
83 |
| VCDI |
0 |
55 |
91 |
477 |
1828 |
8396 |
42405 |
39766 |
|
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