Validation of sea ice concentration - European sector
Bulletin date: 2024-03-28
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-03-22:
| 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 |
56278 |
13704 |
113 |
118 |
56 |
4 |
0 |
0 |
| OW |
729 |
1403 |
233 |
297 |
138 |
41 |
1 |
0 |
| VODI |
1746 |
538 |
192 |
437 |
308 |
165 |
36 |
0 |
| ODI |
1875 |
171 |
90 |
274 |
395 |
452 |
142 |
0 |
| CDI |
0 |
127 |
88 |
281 |
417 |
931 |
1918 |
4 |
| VCDI |
0 |
11 |
21 |
190 |
486 |
1316 |
9954 |
7182 |
|
...date precedes bulletin
|
Date: 2024-03-24:
| 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 |
56759 |
13167 |
118 |
57 |
17 |
6 |
0 |
0 |
| OW |
694 |
1439 |
260 |
285 |
123 |
21 |
3 |
0 |
| VODI |
1745 |
603 |
193 |
408 |
299 |
125 |
56 |
0 |
| ODI |
1877 |
234 |
102 |
292 |
319 |
432 |
171 |
0 |
| CDI |
0 |
190 |
112 |
307 |
636 |
997 |
1546 |
0 |
| VCDI |
0 |
12 |
19 |
146 |
423 |
2082 |
10856 |
5731 |
|
...date precedes bulletin
|
Date: 2024-03-26:
| 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 |
56176 |
13860 |
151 |
106 |
28 |
8 |
2 |
0 |
| OW |
678 |
1404 |
283 |
236 |
56 |
11 |
7 |
0 |
| VODI |
1739 |
355 |
225 |
613 |
431 |
66 |
3 |
0 |
| ODI |
1884 |
68 |
70 |
249 |
542 |
373 |
44 |
0 |
| CDI |
0 |
51 |
42 |
187 |
683 |
1550 |
1139 |
0 |
| VCDI |
0 |
8 |
14 |
78 |
250 |
1870 |
11748 |
5574 |
|
...date precedes bulletin
|
Date: 2024-03-28:
| 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 |
56343 |
13594 |
73 |
61 |
36 |
3 |
0 |
0 |
| OW |
687 |
1307 |
289 |
288 |
81 |
11 |
0 |
0 |
| VODI |
1740 |
366 |
199 |
531 |
409 |
98 |
1 |
0 |
| ODI |
1884 |
121 |
89 |
268 |
383 |
484 |
85 |
0 |
| CDI |
0 |
52 |
61 |
276 |
715 |
1433 |
2107 |
0 |
| VCDI |
0 |
11 |
9 |
50 |
211 |
1120 |
10775 |
6611 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56345 |
13677 |
81 |
66 |
33 |
2 |
0 |
0 |
| OW |
685 |
1233 |
284 |
299 |
95 |
13 |
0 |
0 |
| VODI |
1740 |
362 |
196 |
515 |
388 |
102 |
1 |
0 |
| ODI |
1884 |
114 |
92 |
256 |
399 |
491 |
87 |
0 |
| CDI |
0 |
52 |
56 |
286 |
713 |
1446 |
2084 |
0 |
| VCDI |
0 |
13 |
11 |
52 |
207 |
1095 |
10796 |
6611 |
|
Date: 2024-03-30:
| 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 |
55868 |
13881 |
76 |
108 |
37 |
7 |
0 |
0 |
| OW |
699 |
1357 |
232 |
305 |
83 |
12 |
1 |
0 |
| VODI |
1745 |
513 |
186 |
457 |
389 |
109 |
14 |
0 |
| ODI |
1878 |
232 |
120 |
322 |
555 |
397 |
44 |
0 |
| CDI |
0 |
200 |
120 |
360 |
573 |
1542 |
1191 |
0 |
| VCDI |
0 |
4 |
4 |
89 |
288 |
1582 |
12263 |
5019 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
55868 |
13968 |
90 |
108 |
34 |
2 |
0 |
0 |
| OW |
700 |
1282 |
218 |
314 |
91 |
19 |
2 |
0 |
| VODI |
1744 |
509 |
187 |
443 |
368 |
105 |
13 |
0 |
| ODI |
1878 |
229 |
117 |
321 |
586 |
404 |
38 |
0 |
| CDI |
0 |
194 |
120 |
373 |
571 |
1559 |
1239 |
0 |
| VCDI |
0 |
5 |
6 |
82 |
275 |
1560 |
12221 |
5019 |
|
Date: 2024-04-01:
| 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 |
56474 |
13769 |
50 |
37 |
20 |
5 |
0 |
0 |
| OW |
708 |
1528 |
228 |
193 |
59 |
9 |
0 |
0 |
| VODI |
1745 |
364 |
300 |
679 |
374 |
43 |
8 |
0 |
| ODI |
1878 |
51 |
82 |
338 |
843 |
326 |
47 |
0 |
| CDI |
0 |
35 |
46 |
265 |
715 |
1829 |
801 |
0 |
| VCDI |
0 |
2 |
10 |
34 |
203 |
1539 |
12196 |
5029 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56474 |
13240 |
57 |
37 |
12 |
0 |
0 |
0 |
| OW |
709 |
1376 |
208 |
283 |
111 |
25 |
3 |
0 |
| VODI |
1744 |
671 |
186 |
411 |
448 |
135 |
20 |
0 |
| ODI |
1878 |
320 |
135 |
336 |
548 |
521 |
58 |
0 |
| CDI |
0 |
110 |
100 |
383 |
746 |
1230 |
1486 |
0 |
| VCDI |
0 |
32 |
30 |
96 |
349 |
1840 |
11485 |
5029 |
|
Date: 2024-04-03:
| 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 |
56124 |
13787 |
49 |
30 |
17 |
3 |
1 |
0 |
| OW |
726 |
1464 |
192 |
194 |
70 |
16 |
11 |
0 |
| VODI |
1744 |
595 |
288 |
551 |
265 |
35 |
15 |
0 |
| ODI |
1878 |
137 |
95 |
422 |
766 |
304 |
93 |
0 |
| CDI |
0 |
63 |
80 |
314 |
882 |
2019 |
1750 |
0 |
| VCDI |
0 |
13 |
10 |
46 |
88 |
973 |
10229 |
6523 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56124 |
13042 |
55 |
41 |
12 |
3 |
0 |
0 |
| OW |
725 |
1463 |
197 |
294 |
92 |
18 |
14 |
0 |
| VODI |
1745 |
868 |
149 |
363 |
434 |
119 |
42 |
0 |
| ODI |
1878 |
453 |
147 |
321 |
581 |
382 |
101 |
0 |
| CDI |
0 |
225 |
162 |
513 |
880 |
1652 |
2108 |
0 |
| VCDI |
0 |
8 |
4 |
25 |
89 |
1176 |
9834 |
6523 |
|
Date: 2024-04-05:
| 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 |
56456 |
13238 |
35 |
34 |
6 |
4 |
0 |
0 |
| OW |
733 |
1532 |
202 |
223 |
93 |
20 |
1 |
0 |
| VODI |
1747 |
613 |
272 |
553 |
317 |
73 |
14 |
0 |
| ODI |
1874 |
171 |
109 |
389 |
501 |
419 |
50 |
0 |
| CDI |
0 |
59 |
74 |
371 |
794 |
1830 |
2100 |
0 |
| VCDI |
0 |
2 |
2 |
14 |
127 |
907 |
9932 |
6971 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56456 |
12553 |
75 |
82 |
10 |
4 |
0 |
0 |
| OW |
733 |
1513 |
179 |
278 |
107 |
20 |
0 |
0 |
| VODI |
1747 |
874 |
150 |
401 |
391 |
213 |
12 |
0 |
| ODI |
1874 |
484 |
148 |
285 |
350 |
468 |
126 |
0 |
| CDI |
0 |
188 |
139 |
524 |
797 |
1469 |
2112 |
0 |
| VCDI |
0 |
3 |
3 |
14 |
183 |
1079 |
9847 |
6971 |
|
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