Validation of sea ice concentration - European sector
Bulletin date: 2024-01-25
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-01-19:
| 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 |
60614 |
12467 |
108 |
99 |
17 |
0 |
0 |
0 |
| OW |
810 |
1916 |
162 |
168 |
53 |
24 |
0 |
0 |
| VODI |
1832 |
815 |
213 |
289 |
148 |
29 |
4 |
0 |
| ODI |
1760 |
276 |
101 |
285 |
234 |
99 |
40 |
0 |
| CDI |
0 |
181 |
122 |
291 |
452 |
842 |
437 |
0 |
| VCDI |
0 |
29 |
44 |
216 |
449 |
2868 |
10553 |
3815 |
|
...date precedes bulletin
|
Date: 2024-01-21:
| 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 |
60206 |
12914 |
83 |
65 |
17 |
2 |
0 |
0 |
| OW |
816 |
1600 |
195 |
202 |
50 |
27 |
1 |
0 |
| VODI |
1824 |
585 |
203 |
400 |
136 |
40 |
19 |
0 |
| ODI |
1773 |
227 |
99 |
335 |
223 |
137 |
34 |
0 |
| CDI |
0 |
208 |
72 |
301 |
492 |
1027 |
683 |
3 |
| VCDI |
0 |
19 |
23 |
103 |
467 |
2474 |
10587 |
4190 |
|
...date precedes bulletin
|
Date: 2024-01-23:
| 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 |
59340 |
13477 |
201 |
102 |
38 |
15 |
0 |
0 |
| OW |
773 |
1565 |
167 |
209 |
93 |
8 |
0 |
0 |
| VODI |
1817 |
468 |
230 |
492 |
358 |
63 |
3 |
0 |
| ODI |
1784 |
142 |
101 |
314 |
459 |
190 |
13 |
0 |
| CDI |
0 |
131 |
40 |
197 |
542 |
1447 |
488 |
0 |
| VCDI |
0 |
84 |
38 |
91 |
302 |
2183 |
9721 |
5176 |
|
...date precedes bulletin
|
Date: 2024-01-25:
| 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 |
59671 |
12695 |
156 |
84 |
35 |
11 |
0 |
0 |
| OW |
730 |
1502 |
190 |
212 |
71 |
22 |
0 |
0 |
| VODI |
1805 |
664 |
233 |
491 |
253 |
102 |
10 |
0 |
| ODI |
1800 |
226 |
123 |
377 |
386 |
255 |
20 |
0 |
| CDI |
0 |
217 |
68 |
284 |
663 |
1300 |
414 |
52 |
| VCDI |
0 |
134 |
54 |
208 |
349 |
2622 |
9279 |
5094 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
59673 |
12838 |
157 |
96 |
35 |
12 |
0 |
0 |
| OW |
728 |
1381 |
197 |
207 |
74 |
27 |
1 |
0 |
| VODI |
1805 |
646 |
226 |
474 |
260 |
98 |
9 |
0 |
| ODI |
1800 |
234 |
118 |
358 |
381 |
258 |
19 |
0 |
| CDI |
0 |
207 |
71 |
316 |
667 |
1296 |
401 |
35 |
| VCDI |
0 |
132 |
55 |
205 |
340 |
2621 |
9293 |
5111 |
|
Date: 2024-01-27:
| 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 |
60382 |
11804 |
69 |
49 |
20 |
2 |
0 |
0 |
| OW |
735 |
1497 |
139 |
172 |
158 |
10 |
0 |
0 |
| VODI |
1794 |
827 |
213 |
458 |
347 |
64 |
15 |
0 |
| ODI |
1812 |
313 |
129 |
311 |
468 |
221 |
41 |
0 |
| CDI |
0 |
283 |
95 |
305 |
719 |
1167 |
272 |
72 |
| VCDI |
0 |
323 |
102 |
306 |
498 |
2988 |
10274 |
3408 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60385 |
11899 |
78 |
55 |
27 |
3 |
0 |
0 |
| OW |
732 |
1458 |
134 |
168 |
141 |
8 |
2 |
0 |
| VODI |
1794 |
798 |
221 |
457 |
370 |
68 |
14 |
0 |
| ODI |
1812 |
287 |
114 |
305 |
474 |
231 |
41 |
0 |
| CDI |
0 |
285 |
95 |
305 |
704 |
1150 |
239 |
49 |
| VCDI |
0 |
320 |
105 |
311 |
494 |
2992 |
10306 |
3431 |
|
Date: 2024-01-29:
| 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 |
60725 |
12108 |
119 |
49 |
7 |
5 |
0 |
0 |
| OW |
731 |
2027 |
207 |
159 |
56 |
13 |
1 |
0 |
| VODI |
1805 |
395 |
283 |
629 |
344 |
48 |
14 |
0 |
| ODI |
1799 |
134 |
42 |
243 |
467 |
318 |
20 |
0 |
| CDI |
0 |
385 |
118 |
270 |
645 |
1082 |
196 |
0 |
| VCDI |
0 |
36 |
38 |
175 |
540 |
2923 |
9185 |
4521 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60721 |
11719 |
121 |
55 |
10 |
2 |
0 |
0 |
| OW |
730 |
1511 |
136 |
146 |
66 |
51 |
1 |
0 |
| VODI |
1790 |
806 |
206 |
377 |
291 |
138 |
29 |
0 |
| ODI |
1819 |
310 |
114 |
271 |
329 |
193 |
35 |
0 |
| CDI |
0 |
372 |
120 |
342 |
618 |
747 |
251 |
8 |
| VCDI |
0 |
367 |
110 |
334 |
745 |
3258 |
9100 |
4513 |
|
Date: 2024-01-31:
| 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 |
61236 |
11379 |
80 |
49 |
24 |
8 |
2 |
0 |
| OW |
732 |
1697 |
152 |
158 |
63 |
28 |
7 |
0 |
| VODI |
1806 |
621 |
272 |
446 |
256 |
69 |
16 |
0 |
| ODI |
1800 |
174 |
67 |
408 |
549 |
235 |
59 |
0 |
| CDI |
0 |
376 |
107 |
300 |
964 |
949 |
462 |
1 |
| VCDI |
0 |
209 |
66 |
223 |
452 |
2399 |
10110 |
3851 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61152 |
10927 |
107 |
76 |
53 |
25 |
6 |
0 |
| OW |
806 |
1299 |
132 |
204 |
75 |
54 |
19 |
0 |
| VODI |
1794 |
782 |
166 |
307 |
245 |
139 |
50 |
0 |
| ODI |
1822 |
404 |
96 |
279 |
404 |
110 |
60 |
0 |
| CDI |
0 |
673 |
140 |
385 |
834 |
634 |
519 |
5 |
| VCDI |
0 |
371 |
103 |
333 |
697 |
2726 |
10002 |
3847 |
|
Date: 2024-02-02:
| 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 |
58954 |
12844 |
176 |
208 |
33 |
7 |
1 |
0 |
| OW |
715 |
1403 |
229 |
276 |
85 |
38 |
8 |
0 |
| VODI |
1803 |
537 |
236 |
549 |
343 |
113 |
8 |
0 |
| ODI |
1802 |
170 |
68 |
280 |
608 |
288 |
56 |
0 |
| CDI |
0 |
274 |
113 |
356 |
859 |
1470 |
787 |
3 |
| VCDI |
0 |
285 |
67 |
152 |
286 |
2723 |
9870 |
3779 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58853 |
12344 |
270 |
428 |
126 |
43 |
4 |
0 |
| OW |
795 |
1166 |
149 |
225 |
181 |
69 |
13 |
0 |
| VODI |
1800 |
762 |
128 |
274 |
318 |
171 |
66 |
0 |
| ODI |
1826 |
362 |
113 |
260 |
383 |
215 |
64 |
0 |
| CDI |
0 |
428 |
88 |
284 |
668 |
1044 |
537 |
0 |
| VCDI |
0 |
451 |
141 |
350 |
538 |
3097 |
10046 |
3782 |
|
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