Validation of sea ice concentration - European sector
Bulletin date: 2023-09-21
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-09-16:
| 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 |
95114 |
3964 |
287 |
457 |
32 |
0 |
0 |
0 |
| OW |
0 |
62 |
85 |
234 |
95 |
0 |
0 |
0 |
| VODI |
0 |
0 |
12 |
383 |
200 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
171 |
1239 |
111 |
0 |
0 |
| CDI |
0 |
0 |
0 |
7 |
480 |
2634 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2812 |
721 |
0 |
|
...date precedes bulletin
|
Date: 2023-09-18:
| 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 |
94150 |
4883 |
264 |
427 |
21 |
0 |
0 |
0 |
| OW |
0 |
42 |
63 |
291 |
63 |
0 |
0 |
0 |
| VODI |
0 |
0 |
9 |
346 |
218 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
130 |
802 |
416 |
0 |
0 |
| CDI |
0 |
0 |
0 |
41 |
241 |
2289 |
271 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2593 |
1540 |
0 |
|
...date precedes bulletin
|
Date: 2023-09-20:
| 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 |
94856 |
4070 |
280 |
342 |
56 |
0 |
0 |
0 |
| OW |
0 |
50 |
58 |
181 |
70 |
1 |
0 |
0 |
| VODI |
0 |
0 |
17 |
311 |
158 |
5 |
0 |
0 |
| ODI |
0 |
0 |
0 |
110 |
647 |
58 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
312 |
3034 |
405 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1608 |
2471 |
0 |
|
...date precedes bulletin
|
Date: 2023-09-22:
| 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 |
94553 |
4143 |
276 |
410 |
48 |
0 |
0 |
0 |
| OW |
0 |
40 |
65 |
217 |
56 |
0 |
0 |
0 |
| VODI |
0 |
8 |
18 |
285 |
181 |
1 |
0 |
0 |
| ODI |
0 |
0 |
0 |
125 |
515 |
57 |
4 |
0 |
| CDI |
0 |
0 |
0 |
0 |
409 |
2296 |
453 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2110 |
2830 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
94553 |
4159 |
300 |
456 |
52 |
0 |
0 |
0 |
| OW |
0 |
23 |
42 |
208 |
62 |
0 |
0 |
0 |
| VODI |
0 |
9 |
15 |
256 |
226 |
0 |
0 |
0 |
| ODI |
0 |
0 |
2 |
114 |
446 |
61 |
6 |
0 |
| CDI |
0 |
0 |
0 |
3 |
423 |
2292 |
459 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2111 |
2822 |
0 |
|
Date: 2023-09-24:
| 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 |
94153 |
4404 |
274 |
435 |
71 |
0 |
0 |
0 |
| OW |
0 |
36 |
44 |
234 |
74 |
0 |
0 |
0 |
| VODI |
0 |
4 |
22 |
208 |
219 |
2 |
0 |
0 |
| ODI |
0 |
0 |
0 |
92 |
485 |
78 |
4 |
0 |
| CDI |
0 |
0 |
0 |
0 |
381 |
1402 |
367 |
9 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1209 |
4850 |
43 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
94153 |
4409 |
286 |
497 |
85 |
0 |
0 |
0 |
| OW |
0 |
31 |
26 |
201 |
74 |
0 |
0 |
0 |
| VODI |
0 |
4 |
28 |
169 |
280 |
2 |
0 |
0 |
| ODI |
0 |
0 |
0 |
95 |
397 |
84 |
5 |
0 |
| CDI |
0 |
0 |
0 |
7 |
394 |
1294 |
382 |
8 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1311 |
4834 |
44 |
|
Date: 2023-09-26:
| 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 |
93631 |
4653 |
325 |
475 |
102 |
0 |
0 |
0 |
| OW |
0 |
27 |
53 |
180 |
74 |
0 |
0 |
0 |
| VODI |
0 |
0 |
4 |
288 |
181 |
6 |
0 |
0 |
| ODI |
0 |
0 |
0 |
43 |
524 |
29 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
175 |
849 |
103 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
560 |
5892 |
926 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
93631 |
4626 |
333 |
516 |
153 |
1 |
0 |
0 |
| OW |
0 |
40 |
24 |
201 |
96 |
4 |
0 |
0 |
| VODI |
0 |
14 |
21 |
171 |
248 |
16 |
0 |
0 |
| ODI |
0 |
0 |
4 |
79 |
323 |
82 |
1 |
0 |
| CDI |
0 |
0 |
0 |
19 |
236 |
864 |
865 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
477 |
5129 |
926 |
|
Date: 2023-09-28:
| 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 |
93401 |
4757 |
300 |
476 |
81 |
0 |
0 |
0 |
| OW |
0 |
21 |
51 |
194 |
79 |
5 |
0 |
0 |
| VODI |
0 |
0 |
3 |
245 |
184 |
5 |
0 |
0 |
| ODI |
0 |
0 |
0 |
69 |
366 |
35 |
4 |
0 |
| CDI |
0 |
0 |
0 |
2 |
231 |
551 |
88 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
452 |
4466 |
3032 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
93401 |
4721 |
297 |
481 |
119 |
4 |
0 |
0 |
| OW |
0 |
50 |
38 |
187 |
91 |
4 |
0 |
0 |
| VODI |
0 |
7 |
17 |
228 |
183 |
21 |
3 |
0 |
| ODI |
0 |
0 |
2 |
73 |
271 |
48 |
8 |
0 |
| CDI |
0 |
0 |
0 |
17 |
276 |
618 |
380 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
353 |
4167 |
3032 |
|
Date: 2023-09-30:
| 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 |
93875 |
4084 |
306 |
548 |
104 |
0 |
0 |
0 |
| OW |
0 |
16 |
18 |
210 |
97 |
3 |
0 |
0 |
| VODI |
0 |
2 |
10 |
134 |
256 |
17 |
0 |
0 |
| ODI |
0 |
0 |
0 |
29 |
223 |
141 |
0 |
0 |
| CDI |
0 |
0 |
0 |
7 |
141 |
375 |
80 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
9 |
383 |
2723 |
5309 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
93875 |
4074 |
279 |
528 |
121 |
1 |
0 |
0 |
| OW |
0 |
23 |
39 |
174 |
98 |
2 |
0 |
0 |
| VODI |
0 |
5 |
13 |
129 |
240 |
18 |
0 |
0 |
| ODI |
0 |
0 |
3 |
69 |
179 |
147 |
2 |
0 |
| CDI |
0 |
0 |
0 |
28 |
168 |
369 |
172 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
24 |
382 |
2629 |
5309 |
|
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