Validation of sea ice concentration - European sector
Bulletin date: 2024-03-21
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-03-15:
| 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 |
56468 |
13961 |
159 |
147 |
24 |
1 |
0 |
0 |
| OW |
701 |
1401 |
247 |
384 |
154 |
16 |
0 |
0 |
| VODI |
1747 |
475 |
191 |
499 |
374 |
106 |
11 |
0 |
| ODI |
1874 |
52 |
75 |
374 |
548 |
287 |
26 |
0 |
| CDI |
0 |
24 |
28 |
187 |
694 |
2157 |
1416 |
0 |
| VCDI |
0 |
10 |
10 |
61 |
275 |
2409 |
10153 |
5136 |
|
...date precedes bulletin
|
Date: 2024-03-17:
| 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 |
55198 |
14419 |
367 |
271 |
68 |
0 |
0 |
0 |
| OW |
694 |
1426 |
236 |
348 |
185 |
51 |
3 |
0 |
| VODI |
1740 |
528 |
193 |
439 |
316 |
143 |
21 |
0 |
| ODI |
1885 |
111 |
111 |
277 |
560 |
438 |
28 |
0 |
| CDI |
0 |
47 |
49 |
329 |
780 |
2016 |
1340 |
0 |
| VCDI |
0 |
2 |
13 |
81 |
362 |
2180 |
10393 |
5214 |
|
...date precedes bulletin
|
Date: 2024-03-19:
| 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 |
55948 |
14417 |
168 |
111 |
45 |
2 |
0 |
0 |
| OW |
724 |
1385 |
300 |
332 |
130 |
47 |
5 |
0 |
| VODI |
1739 |
327 |
229 |
544 |
312 |
116 |
18 |
0 |
| ODI |
1886 |
56 |
75 |
305 |
493 |
383 |
57 |
0 |
| CDI |
0 |
29 |
22 |
176 |
475 |
1592 |
1179 |
19 |
| VCDI |
0 |
11 |
19 |
123 |
555 |
1522 |
9933 |
7053 |
|
...date precedes bulletin
|
Date: 2024-03-21:
| 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 |
56550 |
13593 |
236 |
121 |
32 |
1 |
2 |
0 |
| OW |
729 |
1387 |
274 |
328 |
113 |
33 |
0 |
0 |
| VODI |
1745 |
402 |
217 |
472 |
302 |
151 |
20 |
0 |
| ODI |
1878 |
102 |
89 |
273 |
434 |
410 |
112 |
0 |
| CDI |
0 |
75 |
62 |
202 |
506 |
1329 |
1459 |
0 |
| VCDI |
0 |
37 |
34 |
139 |
530 |
1655 |
10920 |
5908 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56562 |
13542 |
239 |
125 |
31 |
3 |
2 |
0 |
| OW |
717 |
1402 |
260 |
306 |
120 |
33 |
0 |
0 |
| VODI |
1745 |
441 |
226 |
475 |
282 |
143 |
21 |
0 |
| ODI |
1878 |
107 |
88 |
291 |
437 |
414 |
116 |
0 |
| CDI |
0 |
69 |
66 |
203 |
510 |
1346 |
1602 |
0 |
| VCDI |
0 |
35 |
33 |
135 |
537 |
1640 |
10772 |
5908 |
|
Date: 2024-03-23:
| 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 |
56746 |
13264 |
53 |
68 |
42 |
0 |
0 |
0 |
| OW |
730 |
1485 |
225 |
282 |
114 |
17 |
4 |
0 |
| VODI |
1747 |
589 |
183 |
446 |
305 |
139 |
43 |
0 |
| ODI |
1874 |
228 |
77 |
280 |
342 |
453 |
178 |
0 |
| CDI |
0 |
210 |
90 |
267 |
444 |
891 |
1690 |
0 |
| VCDI |
0 |
36 |
40 |
206 |
467 |
1659 |
10784 |
6164 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56746 |
13239 |
64 |
74 |
40 |
0 |
0 |
0 |
| OW |
730 |
1464 |
202 |
280 |
124 |
25 |
7 |
0 |
| VODI |
1747 |
612 |
193 |
429 |
289 |
137 |
43 |
0 |
| ODI |
1874 |
271 |
77 |
281 |
338 |
459 |
183 |
0 |
| CDI |
0 |
203 |
97 |
282 |
450 |
902 |
1799 |
0 |
| VCDI |
0 |
23 |
35 |
203 |
473 |
1636 |
10667 |
6164 |
|
Date: 2024-03-25:
| 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 |
56481 |
13769 |
137 |
52 |
14 |
18 |
0 |
0 |
| OW |
715 |
1488 |
251 |
207 |
36 |
19 |
0 |
0 |
| VODI |
1753 |
361 |
300 |
665 |
335 |
75 |
12 |
0 |
| ODI |
1874 |
68 |
70 |
287 |
568 |
329 |
55 |
0 |
| CDI |
0 |
45 |
47 |
226 |
713 |
1412 |
853 |
1 |
| VCDI |
0 |
2 |
4 |
44 |
215 |
1680 |
12184 |
5497 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56516 |
13235 |
167 |
127 |
32 |
1 |
0 |
0 |
| OW |
684 |
1473 |
179 |
249 |
155 |
63 |
5 |
0 |
| VODI |
1739 |
567 |
183 |
363 |
319 |
145 |
62 |
0 |
| ODI |
1884 |
267 |
133 |
256 |
329 |
445 |
139 |
0 |
| CDI |
0 |
171 |
124 |
365 |
670 |
1039 |
1662 |
1 |
| VCDI |
0 |
20 |
23 |
121 |
376 |
1840 |
11236 |
5497 |
|
Date: 2024-03-27:
| 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 |
56402 |
13591 |
85 |
80 |
21 |
2 |
0 |
0 |
| OW |
696 |
1337 |
251 |
277 |
66 |
29 |
12 |
0 |
| VODI |
1740 |
376 |
184 |
519 |
416 |
79 |
4 |
0 |
| ODI |
1885 |
85 |
85 |
220 |
446 |
451 |
80 |
0 |
| CDI |
0 |
46 |
43 |
246 |
719 |
1485 |
1829 |
0 |
| VCDI |
0 |
11 |
10 |
51 |
222 |
1295 |
11046 |
6440 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56432 |
13200 |
142 |
190 |
35 |
6 |
0 |
0 |
| OW |
666 |
1289 |
163 |
310 |
172 |
53 |
14 |
0 |
| VODI |
1735 |
569 |
154 |
274 |
397 |
160 |
59 |
0 |
| ODI |
1890 |
235 |
105 |
234 |
287 |
435 |
234 |
0 |
| CDI |
0 |
135 |
79 |
307 |
673 |
1028 |
2118 |
0 |
| VCDI |
0 |
18 |
15 |
78 |
326 |
1659 |
10546 |
6440 |
|
Date: 2024-03-29:
| 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 |
56089 |
13785 |
54 |
86 |
56 |
8 |
0 |
0 |
| OW |
661 |
1338 |
258 |
315 |
77 |
4 |
1 |
0 |
| VODI |
1741 |
426 |
193 |
468 |
431 |
128 |
19 |
0 |
| ODI |
1882 |
119 |
91 |
265 |
432 |
474 |
101 |
0 |
| CDI |
0 |
75 |
62 |
279 |
658 |
1370 |
1774 |
0 |
| VCDI |
0 |
5 |
5 |
58 |
295 |
1404 |
11723 |
5652 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56090 |
13379 |
136 |
155 |
50 |
0 |
1 |
0 |
| OW |
658 |
1255 |
175 |
361 |
182 |
32 |
9 |
0 |
| VODI |
1735 |
638 |
131 |
278 |
360 |
206 |
36 |
0 |
| ODI |
1890 |
286 |
110 |
220 |
292 |
433 |
193 |
0 |
| CDI |
0 |
189 |
102 |
394 |
827 |
1299 |
2135 |
0 |
| VCDI |
0 |
1 |
9 |
63 |
238 |
1418 |
11244 |
5652 |
|
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