Validation of sea ice concentration - European sector
Bulletin date: 2023-08-17
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-08-11:
| 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 |
93455 |
4945 |
222 |
185 |
0 |
0 |
0 |
0 |
| OW |
0 |
51 |
67 |
421 |
17 |
0 |
0 |
0 |
| VODI |
0 |
9 |
15 |
670 |
240 |
2 |
0 |
0 |
| ODI |
0 |
0 |
0 |
143 |
468 |
62 |
0 |
0 |
| CDI |
0 |
0 |
0 |
19 |
978 |
3391 |
418 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
565 |
2381 |
376 |
|
...date precedes bulletin
|
Date: 2023-08-13:
| 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 |
94172 |
4283 |
176 |
217 |
0 |
0 |
0 |
0 |
| OW |
0 |
39 |
61 |
557 |
36 |
0 |
0 |
0 |
| VODI |
0 |
3 |
8 |
468 |
330 |
1 |
0 |
0 |
| ODI |
0 |
0 |
0 |
122 |
467 |
95 |
0 |
0 |
| CDI |
0 |
0 |
0 |
18 |
718 |
2749 |
1001 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
18 |
477 |
2657 |
427 |
|
...date precedes bulletin
|
Date: 2023-08-15:
| 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 |
93885 |
4622 |
285 |
228 |
0 |
0 |
0 |
0 |
| OW |
0 |
14 |
92 |
588 |
8 |
0 |
0 |
0 |
| VODI |
0 |
3 |
10 |
453 |
215 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
75 |
549 |
64 |
0 |
0 |
| CDI |
0 |
0 |
0 |
9 |
403 |
2388 |
850 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
20 |
78 |
2836 |
1425 |
|
...date precedes bulletin
|
Date: 2023-08-17:
| 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 |
92591 |
5989 |
290 |
259 |
0 |
0 |
0 |
0 |
| OW |
0 |
53 |
177 |
470 |
38 |
0 |
0 |
0 |
| VODI |
0 |
12 |
25 |
327 |
232 |
0 |
0 |
0 |
| ODI |
0 |
0 |
2 |
135 |
404 |
49 |
0 |
0 |
| CDI |
0 |
0 |
0 |
31 |
1357 |
1984 |
390 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
11 |
324 |
2679 |
1271 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
92591 |
5982 |
252 |
277 |
2 |
0 |
0 |
0 |
| OW |
0 |
63 |
210 |
455 |
44 |
0 |
0 |
0 |
| VODI |
0 |
9 |
30 |
310 |
224 |
0 |
0 |
0 |
| ODI |
0 |
0 |
2 |
143 |
365 |
36 |
0 |
0 |
| CDI |
0 |
0 |
0 |
37 |
1402 |
1962 |
409 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
5 |
359 |
2660 |
1271 |
|
Date: 2023-08-19:
| 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 |
89360 |
8983 |
501 |
300 |
0 |
0 |
0 |
0 |
| OW |
0 |
61 |
130 |
439 |
69 |
0 |
0 |
0 |
| VODI |
0 |
11 |
18 |
296 |
246 |
0 |
0 |
0 |
| ODI |
0 |
0 |
5 |
139 |
398 |
38 |
0 |
0 |
| CDI |
0 |
0 |
0 |
32 |
1146 |
2099 |
785 |
27 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
112 |
2343 |
1562 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
89360 |
8965 |
448 |
370 |
7 |
0 |
0 |
0 |
| OW |
0 |
82 |
180 |
361 |
73 |
0 |
0 |
0 |
| VODI |
0 |
8 |
24 |
292 |
226 |
0 |
0 |
0 |
| ODI |
0 |
0 |
2 |
147 |
382 |
27 |
0 |
0 |
| CDI |
0 |
0 |
0 |
36 |
1171 |
2050 |
827 |
29 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
172 |
2301 |
1560 |
|
Date: 2023-08-21:
| 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 |
91014 |
7521 |
600 |
268 |
0 |
0 |
0 |
0 |
| OW |
0 |
39 |
110 |
316 |
13 |
0 |
0 |
0 |
| VODI |
0 |
0 |
4 |
481 |
187 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
99 |
995 |
29 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
565 |
2030 |
192 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
87 |
3146 |
1404 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
91014 |
7412 |
540 |
366 |
0 |
0 |
0 |
0 |
| OW |
0 |
133 |
127 |
276 |
62 |
0 |
0 |
0 |
| VODI |
0 |
14 |
39 |
286 |
189 |
0 |
0 |
0 |
| ODI |
0 |
1 |
8 |
183 |
311 |
40 |
0 |
0 |
| CDI |
0 |
0 |
0 |
53 |
1198 |
2051 |
1549 |
52 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
55 |
1789 |
1352 |
|
Date: 2023-08-23:
| 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 |
94565 |
4302 |
301 |
442 |
4 |
0 |
0 |
0 |
| OW |
0 |
15 |
50 |
360 |
17 |
0 |
0 |
0 |
| VODI |
0 |
0 |
7 |
401 |
234 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
101 |
781 |
78 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
723 |
1980 |
479 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
578 |
3177 |
505 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
94565 |
4200 |
228 |
485 |
9 |
0 |
0 |
0 |
| OW |
0 |
100 |
97 |
293 |
69 |
0 |
0 |
0 |
| VODI |
0 |
17 |
27 |
291 |
184 |
1 |
0 |
0 |
| ODI |
0 |
0 |
6 |
200 |
322 |
72 |
0 |
0 |
| CDI |
0 |
0 |
0 |
35 |
1175 |
2522 |
2581 |
9 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
41 |
1075 |
496 |
|
Date: 2023-08-25:
| 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 |
93977 |
4946 |
369 |
383 |
10 |
0 |
0 |
0 |
| OW |
0 |
29 |
42 |
343 |
47 |
0 |
0 |
0 |
| VODI |
0 |
1 |
10 |
349 |
260 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
99 |
722 |
68 |
0 |
0 |
| CDI |
0 |
0 |
0 |
6 |
914 |
2212 |
408 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1546 |
2359 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
93977 |
4824 |
302 |
384 |
38 |
0 |
0 |
0 |
| OW |
0 |
111 |
65 |
254 |
94 |
0 |
0 |
0 |
| VODI |
0 |
31 |
35 |
231 |
140 |
4 |
0 |
0 |
| ODI |
0 |
10 |
16 |
192 |
262 |
96 |
0 |
0 |
| CDI |
0 |
0 |
3 |
119 |
1419 |
3507 |
1896 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
219 |
871 |
0 |
|
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