Validation of sea ice concentration - European sector
Bulletin date: 2024-04-25
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-04-19:
| 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 |
58012 |
13217 |
87 |
80 |
64 |
0 |
0 |
0 |
| OW |
0 |
1159 |
367 |
474 |
69 |
4 |
0 |
0 |
| VODI |
0 |
200 |
229 |
1095 |
469 |
27 |
0 |
0 |
| ODI |
0 |
32 |
71 |
483 |
1017 |
235 |
2 |
0 |
| CDI |
0 |
26 |
45 |
306 |
1243 |
2081 |
793 |
0 |
| VCDI |
0 |
0 |
1 |
81 |
405 |
1877 |
8678 |
7487 |
|
...date precedes bulletin
|
Date: 2024-04-21:
| 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 |
58508 |
12274 |
43 |
131 |
44 |
0 |
0 |
0 |
| OW |
0 |
1533 |
301 |
284 |
135 |
15 |
0 |
0 |
| VODI |
0 |
541 |
270 |
1020 |
434 |
65 |
0 |
0 |
| ODI |
0 |
147 |
93 |
574 |
750 |
277 |
7 |
0 |
| CDI |
0 |
126 |
67 |
373 |
1574 |
1882 |
458 |
0 |
| VCDI |
0 |
66 |
42 |
169 |
500 |
2317 |
8834 |
6562 |
|
...date precedes bulletin
|
Date: 2024-04-23:
| 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 |
58983 |
12483 |
52 |
125 |
16 |
0 |
0 |
0 |
| OW |
53 |
1797 |
376 |
319 |
68 |
2 |
0 |
0 |
| VODI |
8 |
203 |
230 |
1360 |
307 |
20 |
0 |
0 |
| ODI |
0 |
73 |
31 |
564 |
1008 |
99 |
3 |
0 |
| CDI |
0 |
110 |
70 |
264 |
1854 |
2628 |
420 |
0 |
| VCDI |
0 |
3 |
13 |
125 |
393 |
2811 |
6916 |
6629 |
|
...date precedes bulletin
|
Date: 2024-04-25:
| 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 |
58699 |
12952 |
118 |
121 |
5 |
0 |
0 |
0 |
| OW |
2 |
1732 |
278 |
381 |
59 |
4 |
0 |
0 |
| VODI |
0 |
521 |
224 |
1108 |
278 |
19 |
0 |
0 |
| ODI |
0 |
237 |
114 |
525 |
735 |
133 |
5 |
0 |
| CDI |
0 |
228 |
137 |
624 |
1696 |
2722 |
638 |
0 |
| VCDI |
0 |
6 |
20 |
319 |
583 |
2234 |
7278 |
5681 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58696 |
13045 |
120 |
133 |
7 |
0 |
0 |
0 |
| OW |
5 |
1617 |
269 |
381 |
51 |
3 |
0 |
0 |
| VODI |
0 |
516 |
225 |
1069 |
281 |
20 |
0 |
0 |
| ODI |
0 |
260 |
118 |
527 |
653 |
157 |
5 |
0 |
| CDI |
0 |
237 |
147 |
675 |
1807 |
2717 |
621 |
0 |
| VCDI |
0 |
1 |
12 |
293 |
557 |
2215 |
7295 |
5681 |
|
Date: 2024-04-27:
| 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 |
59123 |
12647 |
85 |
72 |
8 |
0 |
0 |
0 |
| OW |
0 |
1654 |
316 |
420 |
35 |
5 |
0 |
0 |
| VODI |
0 |
607 |
264 |
940 |
312 |
35 |
2 |
0 |
| ODI |
0 |
283 |
116 |
702 |
699 |
132 |
27 |
0 |
| CDI |
0 |
201 |
156 |
789 |
1838 |
2863 |
761 |
2 |
| VCDI |
0 |
8 |
5 |
182 |
521 |
2638 |
6846 |
5122 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
59123 |
12737 |
85 |
76 |
6 |
0 |
0 |
0 |
| OW |
0 |
1524 |
317 |
386 |
33 |
5 |
0 |
0 |
| VODI |
0 |
609 |
270 |
943 |
320 |
40 |
3 |
0 |
| ODI |
0 |
306 |
109 |
686 |
626 |
178 |
33 |
0 |
| CDI |
0 |
222 |
158 |
851 |
1935 |
2768 |
700 |
5 |
| VCDI |
0 |
2 |
3 |
163 |
493 |
2682 |
6900 |
5119 |
|
Date: 2024-04-29:
| 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 |
60012 |
12457 |
87 |
85 |
5 |
0 |
0 |
0 |
| OW |
37 |
2015 |
524 |
410 |
22 |
0 |
0 |
0 |
| VODI |
0 |
199 |
160 |
1437 |
263 |
5 |
0 |
0 |
| ODI |
0 |
70 |
100 |
797 |
1415 |
104 |
14 |
0 |
| CDI |
0 |
15 |
12 |
153 |
1842 |
4459 |
454 |
0 |
| VCDI |
0 |
0 |
0 |
42 |
259 |
2066 |
6071 |
4825 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
59978 |
11810 |
93 |
72 |
10 |
1 |
0 |
0 |
| OW |
61 |
1539 |
294 |
360 |
50 |
8 |
0 |
0 |
| VODI |
10 |
790 |
200 |
780 |
287 |
42 |
8 |
0 |
| ODI |
0 |
373 |
110 |
741 |
644 |
177 |
50 |
0 |
| CDI |
0 |
233 |
174 |
869 |
2278 |
3498 |
1224 |
0 |
| VCDI |
0 |
11 |
12 |
102 |
537 |
2908 |
5257 |
4825 |
|
Date: 2024-05-01:
| 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 |
59624 |
12827 |
117 |
88 |
0 |
0 |
0 |
0 |
| OW |
0 |
1951 |
464 |
489 |
18 |
0 |
0 |
0 |
| VODI |
0 |
247 |
249 |
1311 |
228 |
18 |
2 |
0 |
| ODI |
0 |
37 |
48 |
838 |
1181 |
172 |
52 |
0 |
| CDI |
0 |
21 |
13 |
186 |
2085 |
4584 |
981 |
0 |
| VCDI |
0 |
0 |
1 |
61 |
257 |
1539 |
5701 |
5026 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
59619 |
12014 |
94 |
73 |
3 |
0 |
0 |
0 |
| OW |
5 |
1614 |
205 |
334 |
30 |
7 |
0 |
0 |
| VODI |
0 |
943 |
275 |
681 |
273 |
56 |
5 |
0 |
| ODI |
0 |
323 |
175 |
848 |
635 |
292 |
106 |
0 |
| CDI |
0 |
173 |
131 |
943 |
2484 |
3790 |
1242 |
0 |
| VCDI |
0 |
16 |
12 |
94 |
344 |
2168 |
5383 |
5026 |
|
Date: 2024-05-03:
| 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 |
60407 |
12324 |
85 |
153 |
7 |
0 |
0 |
0 |
| OW |
49 |
1841 |
407 |
465 |
26 |
0 |
0 |
0 |
| VODI |
0 |
278 |
286 |
1225 |
347 |
5 |
0 |
0 |
| ODI |
0 |
26 |
46 |
685 |
1097 |
105 |
13 |
0 |
| CDI |
0 |
24 |
16 |
209 |
2226 |
4050 |
1292 |
4 |
| VCDI |
0 |
1 |
4 |
46 |
312 |
1380 |
5428 |
5547 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60307 |
11266 |
69 |
93 |
0 |
0 |
0 |
0 |
| OW |
133 |
1607 |
182 |
357 |
44 |
5 |
1 |
0 |
| VODI |
16 |
1106 |
272 |
633 |
302 |
50 |
15 |
0 |
| ODI |
0 |
337 |
177 |
772 |
764 |
382 |
126 |
0 |
| CDI |
0 |
163 |
132 |
845 |
2454 |
3417 |
1410 |
1 |
| VCDI |
0 |
15 |
12 |
83 |
451 |
1686 |
5181 |
5550 |
|
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