Validation of sea ice concentration - European sector
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 |
753 |
273 |
52 |
39 |
0 |
| OW |
53 |
285 |
218 |
452 |
436 |
86 |
6 |
0 |
| VODI |
0 |
109 |
106 |
386 |
562 |
256 |
40 |
0 |
| ODI |
0 |
15 |
44 |
122 |
401 |
469 |
92 |
0 |
| CDI |
0 |
7 |
22 |
108 |
443 |
1325 |
355 |
0 |
| VCDI |
0 |
0 |
4 |
50 |
328 |
3294 |
9054 |
5021 |
|
...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 |
1058 |
973 |
274 |
64 |
69 |
0 |
| OW |
53 |
274 |
197 |
452 |
528 |
110 |
6 |
0 |
| VODI |
0 |
102 |
113 |
362 |
457 |
302 |
53 |
0 |
| ODI |
0 |
14 |
40 |
186 |
351 |
426 |
136 |
0 |
| CDI |
0 |
8 |
23 |
134 |
466 |
1064 |
549 |
0 |
| VCDI |
0 |
0 |
4 |
61 |
193 |
2402 |
9994 |
5009 |
|
...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 |
21426 |
3563 |
1090 |
289 |
67 |
42 |
0 |
| OW |
60 |
134 |
188 |
551 |
433 |
45 |
10 |
0 |
| VODI |
0 |
36 |
75 |
396 |
705 |
256 |
30 |
0 |
| ODI |
0 |
9 |
21 |
141 |
479 |
516 |
96 |
0 |
| CDI |
0 |
2 |
12 |
121 |
422 |
1328 |
594 |
0 |
| VCDI |
0 |
0 |
0 |
9 |
98 |
3008 |
9327 |
5025 |
|
...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 |
19839 |
5360 |
1010 |
288 |
110 |
24 |
0 |
| OW |
60 |
122 |
257 |
489 |
487 |
87 |
3 |
0 |
| VODI |
0 |
75 |
72 |
312 |
632 |
348 |
41 |
0 |
| ODI |
0 |
15 |
12 |
148 |
397 |
467 |
107 |
0 |
| CDI |
0 |
4 |
3 |
98 |
566 |
1217 |
561 |
0 |
| VCDI |
0 |
0 |
5 |
31 |
250 |
4018 |
8472 |
4826 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58287 |
19848 |
5419 |
1094 |
333 |
110 |
24 |
0 |
| OW |
60 |
113 |
198 |
397 |
425 |
109 |
6 |
0 |
| VODI |
0 |
73 |
67 |
310 |
583 |
332 |
42 |
0 |
| ODI |
0 |
17 |
17 |
163 |
459 |
498 |
132 |
0 |
| CDI |
0 |
4 |
4 |
96 |
571 |
1188 |
521 |
0 |
| VCDI |
0 |
0 |
4 |
28 |
249 |
4010 |
8483 |
4826 |
|
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 |
19935 |
4253 |
1608 |
559 |
109 |
10 |
0 |
| OW |
51 |
275 |
121 |
467 |
495 |
118 |
20 |
0 |
| VODI |
0 |
80 |
73 |
311 |
606 |
347 |
105 |
0 |
| ODI |
0 |
10 |
13 |
112 |
451 |
427 |
133 |
0 |
| CDI |
0 |
13 |
5 |
78 |
628 |
1109 |
531 |
0 |
| VCDI |
0 |
24 |
30 |
70 |
550 |
3758 |
8266 |
4898 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58451 |
19956 |
4258 |
1686 |
606 |
138 |
12 |
0 |
| OW |
51 |
249 |
121 |
380 |
430 |
122 |
31 |
0 |
| VODI |
0 |
80 |
67 |
310 |
594 |
291 |
102 |
0 |
| ODI |
0 |
15 |
15 |
121 |
487 |
488 |
142 |
0 |
| CDI |
0 |
13 |
4 |
77 |
611 |
1059 |
523 |
0 |
| VCDI |
0 |
24 |
30 |
72 |
561 |
3770 |
8255 |
4898 |
|
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 |
18611 |
2249 |
940 |
437 |
86 |
4 |
0 |
| OW |
63 |
179 |
197 |
406 |
341 |
90 |
4 |
0 |
| VODI |
7 |
34 |
71 |
367 |
622 |
180 |
32 |
0 |
| ODI |
0 |
12 |
9 |
114 |
734 |
494 |
115 |
0 |
| CDI |
0 |
14 |
11 |
53 |
596 |
1567 |
523 |
0 |
| VCDI |
0 |
8 |
34 |
71 |
662 |
3692 |
7785 |
5095 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62598 |
18458 |
2228 |
1136 |
680 |
170 |
9 |
0 |
| OW |
60 |
277 |
144 |
244 |
379 |
159 |
46 |
0 |
| VODI |
3 |
75 |
117 |
286 |
545 |
286 |
111 |
0 |
| ODI |
0 |
11 |
24 |
111 |
461 |
462 |
157 |
0 |
| CDI |
0 |
14 |
12 |
87 |
560 |
1423 |
628 |
0 |
| VCDI |
0 |
23 |
46 |
87 |
767 |
3609 |
7512 |
5095 |
|
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 |
18223 |
1369 |
1057 |
415 |
116 |
14 |
0 |
| OW |
59 |
103 |
145 |
434 |
333 |
148 |
25 |
0 |
| VODI |
0 |
21 |
47 |
320 |
698 |
267 |
84 |
0 |
| ODI |
0 |
7 |
5 |
129 |
474 |
489 |
139 |
0 |
| CDI |
0 |
14 |
8 |
34 |
558 |
1684 |
666 |
0 |
| VCDI |
0 |
2 |
21 |
80 |
381 |
3430 |
7874 |
5341 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63886 |
17793 |
1286 |
1193 |
629 |
229 |
48 |
0 |
| OW |
59 |
384 |
135 |
274 |
299 |
187 |
59 |
0 |
| VODI |
0 |
157 |
111 |
290 |
536 |
343 |
100 |
0 |
| ODI |
0 |
12 |
25 |
138 |
467 |
488 |
174 |
0 |
| CDI |
0 |
0 |
5 |
65 |
489 |
1571 |
725 |
0 |
| VCDI |
0 |
24 |
33 |
94 |
439 |
3316 |
7696 |
5341 |
|
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 |
20688 |
1342 |
952 |
373 |
145 |
6 |
0 |
| OW |
62 |
134 |
187 |
472 |
318 |
126 |
28 |
0 |
| VODI |
1 |
27 |
76 |
328 |
566 |
295 |
90 |
0 |
| ODI |
0 |
5 |
15 |
146 |
456 |
471 |
207 |
0 |
| CDI |
0 |
10 |
4 |
73 |
548 |
1740 |
816 |
0 |
| VCDI |
0 |
6 |
19 |
71 |
373 |
3124 |
8425 |
4713 |
|
|
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 |
1139 |
626 |
259 |
36 |
0 |
| OW |
73 |
293 |
120 |
297 |
313 |
197 |
64 |
0 |
| VODI |
0 |
241 |
105 |
256 |
438 |
382 |
160 |
0 |
| ODI |
0 |
4 |
46 |
174 |
294 |
500 |
245 |
0 |
| CDI |
0 |
1 |
3 |
95 |
457 |
1285 |
697 |
0 |
| VCDI |
0 |
20 |
24 |
81 |
506 |
3278 |
8370 |
4713 |
|
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