Validation of sea ice concentration - European sector
Bulletin date: 2021-11-25
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-11-19:
| 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 |
84214 |
10225 |
95 |
430 |
247 |
94 |
0 |
0 |
| OW |
44 |
290 |
31 |
175 |
177 |
37 |
0 |
0 |
| VODI |
0 |
129 |
15 |
205 |
315 |
113 |
0 |
0 |
| ODI |
0 |
62 |
5 |
80 |
220 |
209 |
9 |
0 |
| CDI |
0 |
47 |
9 |
60 |
296 |
415 |
34 |
0 |
| VCDI |
0 |
17 |
6 |
89 |
391 |
1613 |
3444 |
5258 |
|
...date precedes bulletin
|
Date: 2021-11-21:
| 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 |
84614 |
9122 |
86 |
449 |
326 |
136 |
0 |
0 |
| OW |
46 |
319 |
26 |
260 |
158 |
88 |
0 |
0 |
| VODI |
0 |
119 |
24 |
281 |
274 |
143 |
1 |
0 |
| ODI |
0 |
17 |
4 |
146 |
201 |
178 |
7 |
0 |
| CDI |
0 |
0 |
2 |
98 |
313 |
352 |
81 |
0 |
| VCDI |
0 |
0 |
0 |
37 |
520 |
1672 |
4835 |
4165 |
|
...date precedes bulletin
|
Date: 2021-11-23:
| 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 |
82795 |
10662 |
92 |
422 |
197 |
76 |
0 |
0 |
| OW |
49 |
233 |
31 |
270 |
167 |
12 |
0 |
0 |
| VODI |
0 |
106 |
20 |
356 |
301 |
46 |
0 |
0 |
| ODI |
0 |
2 |
3 |
196 |
339 |
118 |
4 |
0 |
| CDI |
0 |
0 |
0 |
42 |
419 |
269 |
63 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
445 |
2048 |
4163 |
5154 |
|
...date precedes bulletin
|
Date: 2021-11-25:
| 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 |
82151 |
10645 |
102 |
486 |
328 |
61 |
0 |
0 |
| OW |
50 |
316 |
22 |
179 |
198 |
25 |
0 |
0 |
| VODI |
0 |
155 |
23 |
272 |
323 |
67 |
2 |
0 |
| ODI |
0 |
25 |
12 |
157 |
303 |
123 |
6 |
0 |
| CDI |
0 |
1 |
2 |
66 |
306 |
273 |
16 |
0 |
| VCDI |
0 |
0 |
0 |
16 |
453 |
2657 |
4211 |
5068 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
82151 |
10679 |
105 |
515 |
343 |
60 |
0 |
0 |
| OW |
50 |
298 |
17 |
153 |
201 |
24 |
0 |
0 |
| VODI |
0 |
143 |
29 |
281 |
317 |
62 |
0 |
0 |
| ODI |
0 |
21 |
9 |
150 |
303 |
123 |
9 |
0 |
| CDI |
0 |
1 |
1 |
67 |
290 |
288 |
20 |
0 |
| VCDI |
0 |
0 |
0 |
10 |
457 |
2649 |
4206 |
5068 |
|
Date: 2021-11-27:
| 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 |
81946 |
10448 |
84 |
450 |
394 |
66 |
2 |
0 |
| OW |
51 |
340 |
27 |
200 |
186 |
18 |
1 |
0 |
| VODI |
0 |
130 |
21 |
229 |
331 |
106 |
0 |
0 |
| ODI |
0 |
25 |
11 |
161 |
291 |
142 |
0 |
0 |
| CDI |
0 |
8 |
6 |
86 |
356 |
262 |
14 |
0 |
| VCDI |
0 |
0 |
0 |
13 |
425 |
2474 |
5301 |
4495 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
81946 |
10482 |
88 |
468 |
428 |
66 |
2 |
0 |
| OW |
51 |
315 |
27 |
182 |
162 |
19 |
1 |
0 |
| VODI |
0 |
122 |
20 |
242 |
304 |
102 |
0 |
0 |
| ODI |
0 |
24 |
8 |
147 |
319 |
132 |
0 |
0 |
| CDI |
0 |
8 |
6 |
86 |
334 |
264 |
13 |
0 |
| VCDI |
0 |
0 |
0 |
14 |
436 |
2485 |
5302 |
4495 |
|
Date: 2021-11-29:
| 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 |
81167 |
11348 |
80 |
391 |
352 |
64 |
7 |
0 |
| OW |
50 |
229 |
45 |
275 |
93 |
6 |
1 |
0 |
| VODI |
0 |
62 |
25 |
272 |
246 |
19 |
1 |
0 |
| ODI |
0 |
4 |
5 |
146 |
398 |
75 |
2 |
0 |
| CDI |
0 |
0 |
1 |
59 |
423 |
281 |
7 |
0 |
| VCDI |
0 |
0 |
0 |
13 |
377 |
2457 |
4902 |
5217 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
81167 |
10943 |
73 |
436 |
423 |
67 |
7 |
0 |
| OW |
50 |
418 |
29 |
144 |
110 |
16 |
2 |
0 |
| VODI |
0 |
198 |
23 |
204 |
191 |
48 |
2 |
0 |
| ODI |
0 |
61 |
21 |
140 |
219 |
107 |
6 |
0 |
| CDI |
0 |
21 |
7 |
152 |
270 |
174 |
19 |
0 |
| VCDI |
0 |
2 |
3 |
80 |
676 |
2490 |
4884 |
5217 |
|
Date: 2021-12-01:
| 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 |
81306 |
10630 |
84 |
445 |
349 |
190 |
15 |
0 |
| OW |
52 |
283 |
33 |
243 |
118 |
14 |
1 |
0 |
| VODI |
0 |
114 |
25 |
252 |
248 |
48 |
2 |
0 |
| ODI |
0 |
21 |
13 |
129 |
263 |
75 |
5 |
0 |
| CDI |
0 |
2 |
4 |
98 |
436 |
286 |
18 |
0 |
| VCDI |
0 |
0 |
0 |
30 |
407 |
1754 |
6227 |
4880 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
81306 |
10338 |
81 |
442 |
419 |
200 |
16 |
0 |
| OW |
52 |
364 |
26 |
185 |
107 |
26 |
1 |
0 |
| VODI |
0 |
208 |
17 |
217 |
213 |
72 |
6 |
0 |
| ODI |
0 |
92 |
11 |
112 |
190 |
96 |
8 |
0 |
| CDI |
0 |
44 |
18 |
111 |
278 |
196 |
12 |
0 |
| VCDI |
0 |
4 |
6 |
130 |
614 |
1777 |
6225 |
4880 |
|
Date: 2021-12-03:
| 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 |
80375 |
11147 |
97 |
434 |
410 |
285 |
1 |
0 |
| OW |
60 |
325 |
37 |
256 |
90 |
26 |
0 |
0 |
| VODI |
0 |
153 |
28 |
225 |
230 |
51 |
0 |
0 |
| ODI |
0 |
37 |
16 |
155 |
250 |
70 |
9 |
0 |
| CDI |
0 |
9 |
5 |
124 |
412 |
259 |
37 |
0 |
| VCDI |
0 |
3 |
2 |
33 |
558 |
2436 |
6303 |
4152 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
80367 |
10807 |
87 |
423 |
379 |
277 |
1 |
0 |
| OW |
67 |
377 |
29 |
157 |
144 |
37 |
0 |
0 |
| VODI |
1 |
277 |
23 |
212 |
152 |
68 |
1 |
0 |
| ODI |
0 |
125 |
19 |
127 |
214 |
79 |
5 |
0 |
| CDI |
0 |
62 |
15 |
164 |
287 |
139 |
31 |
0 |
| VCDI |
0 |
26 |
12 |
144 |
774 |
2527 |
6312 |
4152 |
|
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