Validation of sea ice concentration - European sector
Bulletin date: 2024-01-18
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-01-12:
| 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 |
60971 |
12772 |
113 |
92 |
22 |
9 |
0 |
0 |
| OW |
815 |
1434 |
159 |
201 |
67 |
13 |
5 |
0 |
| VODI |
1850 |
629 |
197 |
391 |
271 |
46 |
21 |
0 |
| ODI |
1738 |
213 |
94 |
223 |
384 |
356 |
23 |
0 |
| CDI |
0 |
112 |
78 |
255 |
492 |
1279 |
731 |
0 |
| VCDI |
0 |
4 |
10 |
100 |
287 |
2096 |
11764 |
2545 |
|
...date precedes bulletin
|
Date: 2024-01-14:
| 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 |
60110 |
12627 |
368 |
73 |
29 |
3 |
0 |
0 |
| OW |
801 |
1761 |
170 |
156 |
78 |
38 |
4 |
0 |
| VODI |
1844 |
776 |
270 |
472 |
152 |
69 |
30 |
0 |
| ODI |
1748 |
183 |
107 |
431 |
334 |
104 |
35 |
0 |
| CDI |
0 |
147 |
71 |
257 |
685 |
1044 |
335 |
0 |
| VCDI |
0 |
19 |
26 |
151 |
467 |
3484 |
11097 |
2306 |
|
...date precedes bulletin
|
Date: 2024-01-16:
| 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 |
60247 |
12885 |
128 |
73 |
22 |
5 |
0 |
0 |
| OW |
805 |
2026 |
309 |
235 |
70 |
34 |
2 |
0 |
| VODI |
1848 |
385 |
282 |
611 |
239 |
63 |
3 |
0 |
| ODI |
1740 |
75 |
48 |
333 |
389 |
143 |
8 |
0 |
| CDI |
0 |
64 |
32 |
312 |
644 |
1089 |
197 |
0 |
| VCDI |
0 |
60 |
20 |
106 |
385 |
3332 |
10245 |
3368 |
|
...date precedes bulletin
|
Date: 2024-01-18:
| 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 |
60935 |
12114 |
63 |
51 |
18 |
0 |
0 |
0 |
| OW |
803 |
2075 |
177 |
164 |
47 |
23 |
0 |
0 |
| VODI |
1835 |
786 |
257 |
369 |
136 |
24 |
4 |
0 |
| ODI |
1757 |
216 |
143 |
299 |
263 |
92 |
7 |
0 |
| CDI |
0 |
93 |
66 |
391 |
608 |
763 |
369 |
0 |
| VCDI |
0 |
67 |
44 |
195 |
497 |
3189 |
9920 |
4002 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60935 |
12123 |
68 |
55 |
25 |
2 |
0 |
0 |
| OW |
803 |
2076 |
169 |
176 |
48 |
25 |
0 |
0 |
| VODI |
1836 |
774 |
263 |
354 |
135 |
26 |
4 |
0 |
| ODI |
1756 |
218 |
142 |
319 |
252 |
99 |
7 |
0 |
| CDI |
0 |
94 |
64 |
376 |
658 |
817 |
364 |
0 |
| VCDI |
0 |
66 |
44 |
189 |
451 |
3122 |
9925 |
4002 |
|
Date: 2024-01-20:
| 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 |
59448 |
13649 |
123 |
101 |
17 |
1 |
0 |
0 |
| OW |
829 |
1740 |
174 |
170 |
63 |
18 |
0 |
0 |
| VODI |
1831 |
699 |
181 |
366 |
127 |
46 |
5 |
0 |
| ODI |
1768 |
224 |
128 |
285 |
245 |
113 |
47 |
0 |
| CDI |
0 |
191 |
93 |
317 |
457 |
927 |
598 |
18 |
| VCDI |
0 |
3 |
15 |
129 |
484 |
2594 |
10420 |
4218 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
59445 |
13655 |
137 |
110 |
24 |
3 |
0 |
0 |
| OW |
831 |
1740 |
175 |
171 |
63 |
25 |
0 |
0 |
| VODI |
1832 |
676 |
176 |
366 |
137 |
39 |
5 |
0 |
| ODI |
1768 |
239 |
114 |
276 |
257 |
97 |
60 |
0 |
| CDI |
0 |
193 |
104 |
342 |
444 |
946 |
608 |
40 |
| VCDI |
0 |
3 |
8 |
103 |
468 |
2589 |
10397 |
4196 |
|
Date: 2024-01-22:
| 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 |
59729 |
13460 |
107 |
79 |
39 |
10 |
2 |
0 |
| OW |
802 |
1601 |
245 |
233 |
62 |
18 |
1 |
0 |
| VODI |
1824 |
377 |
218 |
598 |
291 |
52 |
4 |
0 |
| ODI |
1774 |
108 |
79 |
293 |
365 |
186 |
14 |
0 |
| CDI |
0 |
90 |
54 |
275 |
540 |
1245 |
474 |
0 |
| VCDI |
0 |
11 |
5 |
49 |
272 |
2053 |
10207 |
5016 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
59742 |
13049 |
140 |
120 |
54 |
9 |
0 |
0 |
| OW |
785 |
1436 |
205 |
250 |
83 |
35 |
4 |
0 |
| VODI |
1817 |
554 |
163 |
434 |
240 |
79 |
6 |
0 |
| ODI |
1785 |
254 |
66 |
265 |
303 |
168 |
52 |
0 |
| CDI |
0 |
234 |
107 |
352 |
528 |
1033 |
783 |
35 |
| VCDI |
0 |
120 |
27 |
106 |
361 |
2240 |
9857 |
4981 |
|
Date: 2024-01-24:
| 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 |
58155 |
14245 |
351 |
99 |
41 |
16 |
0 |
0 |
| OW |
745 |
1602 |
187 |
167 |
76 |
17 |
0 |
0 |
| VODI |
1809 |
573 |
237 |
463 |
329 |
64 |
6 |
0 |
| ODI |
1794 |
189 |
108 |
378 |
454 |
159 |
15 |
0 |
| CDI |
0 |
141 |
50 |
244 |
676 |
1177 |
524 |
0 |
| VCDI |
0 |
132 |
48 |
123 |
426 |
2534 |
10332 |
4176 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58163 |
13647 |
381 |
134 |
54 |
11 |
0 |
0 |
| OW |
734 |
1583 |
134 |
169 |
113 |
36 |
0 |
0 |
| VODI |
1800 |
785 |
201 |
338 |
284 |
84 |
9 |
0 |
| ODI |
1806 |
393 |
101 |
304 |
382 |
167 |
31 |
0 |
| CDI |
0 |
283 |
123 |
411 |
805 |
1121 |
645 |
18 |
| VCDI |
0 |
191 |
41 |
118 |
364 |
2548 |
10192 |
4158 |
|
Date: 2024-01-26:
| 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 |
60022 |
12270 |
74 |
64 |
32 |
1 |
0 |
0 |
| OW |
734 |
1476 |
166 |
206 |
99 |
12 |
1 |
0 |
| VODI |
1799 |
772 |
218 |
475 |
291 |
83 |
12 |
0 |
| ODI |
1807 |
323 |
114 |
311 |
478 |
219 |
21 |
0 |
| CDI |
0 |
270 |
85 |
298 |
684 |
1287 |
308 |
70 |
| VCDI |
0 |
272 |
79 |
253 |
441 |
3286 |
9748 |
3701 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60015 |
11878 |
108 |
114 |
40 |
0 |
0 |
0 |
| OW |
741 |
1336 |
212 |
276 |
128 |
18 |
2 |
0 |
| VODI |
1792 |
813 |
117 |
372 |
301 |
112 |
15 |
0 |
| ODI |
1814 |
527 |
94 |
224 |
391 |
214 |
33 |
0 |
| CDI |
0 |
562 |
135 |
374 |
645 |
1089 |
541 |
138 |
| VCDI |
0 |
267 |
70 |
247 |
520 |
3455 |
9499 |
3633 |
|
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