Validation of sea ice concentration - Full domain
Bulletin date: 2022-05-05
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
|
...date precedes bulletin
|
Date: 2022-05-01:
| 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 |
59932 |
20148 |
2968 |
1271 |
551 |
96 |
13 |
0 |
| OW |
61 |
347 |
168 |
435 |
472 |
119 |
26 |
0 |
| VODI |
10 |
83 |
129 |
384 |
608 |
335 |
113 |
0 |
| ODI |
0 |
17 |
35 |
220 |
536 |
498 |
150 |
0 |
| CDI |
0 |
24 |
29 |
206 |
868 |
1391 |
1132 |
0 |
| VCDI |
0 |
33 |
79 |
395 |
2052 |
9181 |
38201 |
43732 |
|
...date precedes bulletin
|
Date: 2022-05-03:
| 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 |
64684 |
16961 |
1933 |
986 |
510 |
125 |
5 |
0 |
| OW |
60 |
92 |
149 |
464 |
349 |
123 |
14 |
0 |
| VODI |
0 |
39 |
57 |
416 |
719 |
246 |
60 |
0 |
| ODI |
0 |
13 |
15 |
214 |
713 |
566 |
145 |
0 |
| CDI |
0 |
19 |
27 |
193 |
915 |
2397 |
975 |
29 |
| VCDI |
0 |
18 |
68 |
293 |
1528 |
8131 |
37430 |
45367 |
|
...date precedes bulletin
|
Date: 2022-05-05:
| 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 |
62713 |
19487 |
1385 |
1051 |
391 |
132 |
10 |
0 |
| OW |
61 |
110 |
172 |
429 |
402 |
158 |
21 |
0 |
| VODI |
2 |
22 |
75 |
394 |
653 |
341 |
71 |
0 |
| ODI |
0 |
6 |
24 |
213 |
597 |
637 |
167 |
0 |
| CDI |
0 |
22 |
19 |
175 |
890 |
2450 |
1050 |
38 |
| VCDI |
0 |
6 |
68 |
382 |
1397 |
7400 |
42378 |
41049 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62715 |
19459 |
1397 |
1107 |
440 |
132 |
10 |
0 |
| OW |
59 |
132 |
161 |
370 |
388 |
157 |
24 |
0 |
| VODI |
2 |
28 |
80 |
415 |
641 |
358 |
68 |
0 |
| ODI |
0 |
3 |
15 |
212 |
581 |
671 |
187 |
0 |
| CDI |
0 |
20 |
17 |
156 |
903 |
2471 |
1060 |
40 |
| VCDI |
0 |
11 |
73 |
384 |
1377 |
7329 |
42348 |
41047 |
|
Date: 2022-05-07:
| 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 |
60553 |
21651 |
1821 |
838 |
334 |
91 |
6 |
0 |
| OW |
67 |
179 |
185 |
455 |
404 |
110 |
27 |
0 |
| VODI |
0 |
46 |
95 |
347 |
548 |
309 |
115 |
0 |
| ODI |
0 |
9 |
37 |
220 |
523 |
590 |
273 |
0 |
| CDI |
0 |
29 |
38 |
284 |
1023 |
2274 |
1414 |
51 |
| VCDI |
0 |
40 |
76 |
469 |
1480 |
8537 |
41356 |
40144 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60553 |
21641 |
1827 |
920 |
393 |
92 |
8 |
0 |
| OW |
65 |
193 |
170 |
357 |
378 |
119 |
30 |
0 |
| VODI |
2 |
40 |
111 |
367 |
530 |
328 |
118 |
0 |
| ODI |
0 |
10 |
30 |
234 |
550 |
585 |
296 |
0 |
| CDI |
0 |
24 |
33 |
281 |
977 |
2299 |
1376 |
57 |
| VCDI |
0 |
46 |
81 |
454 |
1484 |
8488 |
41363 |
40138 |
|
Date: 2022-05-09:
| 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 |
61754 |
19021 |
3432 |
929 |
233 |
61 |
7 |
0 |
| OW |
60 |
115 |
215 |
573 |
261 |
52 |
6 |
0 |
| VODI |
0 |
17 |
74 |
506 |
689 |
242 |
56 |
0 |
| ODI |
0 |
21 |
32 |
253 |
1068 |
763 |
237 |
0 |
| CDI |
0 |
32 |
76 |
370 |
1545 |
2893 |
1356 |
15 |
| VCDI |
0 |
22 |
151 |
486 |
2660 |
10719 |
37495 |
38551 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61751 |
18898 |
3429 |
1113 |
359 |
93 |
15 |
0 |
| OW |
63 |
197 |
155 |
390 |
286 |
130 |
50 |
0 |
| VODI |
0 |
49 |
109 |
366 |
596 |
354 |
205 |
0 |
| ODI |
0 |
9 |
31 |
271 |
758 |
632 |
278 |
0 |
| CDI |
0 |
27 |
43 |
318 |
1409 |
2317 |
1457 |
88 |
| VCDI |
0 |
48 |
213 |
659 |
3048 |
11204 |
37152 |
38478 |
|
Date: 2022-05-11:
| 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 |
59814 |
22141 |
2215 |
1227 |
427 |
76 |
11 |
0 |
| OW |
71 |
190 |
180 |
414 |
455 |
59 |
19 |
0 |
| VODI |
0 |
52 |
145 |
460 |
913 |
388 |
75 |
0 |
| ODI |
0 |
41 |
40 |
294 |
837 |
635 |
157 |
0 |
| CDI |
0 |
32 |
63 |
419 |
1373 |
2818 |
1143 |
36 |
| VCDI |
0 |
114 |
102 |
644 |
2721 |
12289 |
37844 |
36114 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
59811 |
21959 |
2152 |
1258 |
583 |
110 |
31 |
0 |
| OW |
74 |
259 |
215 |
372 |
436 |
146 |
52 |
0 |
| VODI |
0 |
139 |
104 |
388 |
703 |
368 |
136 |
0 |
| ODI |
0 |
52 |
100 |
269 |
824 |
743 |
204 |
4 |
| CDI |
0 |
34 |
52 |
425 |
1280 |
2396 |
1078 |
64 |
| VCDI |
0 |
127 |
122 |
746 |
2900 |
12502 |
37748 |
36082 |
|
Date: 2022-05-13:
| 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 |
62868 |
20108 |
1563 |
1138 |
437 |
91 |
19 |
0 |
| OW |
64 |
214 |
181 |
392 |
538 |
241 |
65 |
0 |
| VODI |
0 |
98 |
160 |
420 |
593 |
267 |
155 |
0 |
| ODI |
0 |
52 |
76 |
341 |
608 |
478 |
306 |
0 |
| CDI |
0 |
55 |
73 |
536 |
1470 |
1977 |
1601 |
27 |
| VCDI |
0 |
154 |
149 |
736 |
2686 |
12456 |
38272 |
35383 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62867 |
19948 |
1512 |
1154 |
504 |
218 |
40 |
0 |
| OW |
65 |
267 |
171 |
356 |
312 |
163 |
114 |
0 |
| VODI |
0 |
188 |
158 |
379 |
674 |
288 |
211 |
0 |
| ODI |
0 |
61 |
134 |
358 |
578 |
571 |
451 |
5 |
| CDI |
0 |
47 |
66 |
543 |
1416 |
2022 |
1539 |
91 |
| VCDI |
0 |
170 |
161 |
773 |
2848 |
12248 |
38063 |
35314 |
|
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