Validation of sea ice concentration - European sector
Bulletin date: 2021-05-20
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-05-14:
| 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 |
72526 |
15179 |
209 |
1188 |
336 |
97 |
0 |
0 |
| OW |
62 |
110 |
28 |
412 |
353 |
69 |
5 |
0 |
| VODI |
0 |
33 |
10 |
266 |
548 |
74 |
21 |
0 |
| ODI |
0 |
2 |
6 |
140 |
642 |
262 |
50 |
0 |
| CDI |
0 |
30 |
5 |
88 |
1377 |
1797 |
354 |
0 |
| VCDI |
0 |
15 |
5 |
80 |
353 |
3528 |
5799 |
3041 |
|
...date precedes bulletin
|
Date: 2021-05-16:
| 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 |
73324 |
14424 |
194 |
1127 |
445 |
127 |
0 |
0 |
| OW |
62 |
113 |
35 |
392 |
351 |
75 |
10 |
0 |
| VODI |
0 |
28 |
12 |
245 |
597 |
81 |
26 |
0 |
| ODI |
0 |
0 |
0 |
162 |
638 |
333 |
66 |
0 |
| CDI |
0 |
0 |
0 |
128 |
1330 |
1940 |
440 |
0 |
| VCDI |
0 |
0 |
0 |
41 |
310 |
2719 |
4420 |
4905 |
|
...date precedes bulletin
|
Date: 2021-05-18:
| 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 |
72940 |
14909 |
216 |
1069 |
454 |
102 |
1 |
0 |
| OW |
61 |
106 |
41 |
470 |
244 |
64 |
6 |
0 |
| VODI |
0 |
3 |
5 |
430 |
593 |
61 |
13 |
0 |
| ODI |
0 |
0 |
0 |
110 |
997 |
283 |
14 |
0 |
| CDI |
0 |
0 |
0 |
33 |
1643 |
2172 |
272 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
166 |
2455 |
6326 |
2839 |
|
...date precedes bulletin
|
Date: 2021-05-20:
| 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 |
73205 |
14828 |
218 |
1074 |
385 |
106 |
0 |
0 |
| OW |
60 |
97 |
28 |
548 |
269 |
61 |
3 |
0 |
| VODI |
0 |
9 |
6 |
349 |
670 |
114 |
4 |
0 |
| ODI |
0 |
0 |
0 |
131 |
966 |
413 |
16 |
0 |
| CDI |
0 |
0 |
0 |
43 |
1436 |
2310 |
470 |
0 |
| VCDI |
0 |
0 |
0 |
8 |
234 |
1427 |
4465 |
5147 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
73205 |
14839 |
228 |
1188 |
462 |
111 |
0 |
0 |
| OW |
60 |
77 |
16 |
467 |
248 |
62 |
3 |
0 |
| VODI |
0 |
18 |
7 |
317 |
621 |
99 |
4 |
0 |
| ODI |
0 |
0 |
1 |
131 |
1002 |
441 |
13 |
0 |
| CDI |
0 |
0 |
0 |
45 |
1416 |
2321 |
499 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
211 |
1397 |
4439 |
5147 |
|
Date: 2021-05-22:
| 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 |
72487 |
15652 |
194 |
1009 |
343 |
121 |
0 |
0 |
| OW |
60 |
195 |
40 |
502 |
253 |
61 |
2 |
0 |
| VODI |
0 |
68 |
18 |
343 |
626 |
127 |
9 |
0 |
| ODI |
0 |
15 |
6 |
204 |
1036 |
340 |
21 |
0 |
| CDI |
0 |
0 |
0 |
114 |
1565 |
1960 |
383 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
216 |
1961 |
6203 |
2964 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
72487 |
15684 |
197 |
1113 |
415 |
125 |
0 |
0 |
| OW |
60 |
162 |
36 |
426 |
238 |
61 |
1 |
0 |
| VODI |
0 |
72 |
20 |
325 |
620 |
129 |
10 |
0 |
| ODI |
0 |
12 |
5 |
208 |
993 |
324 |
15 |
0 |
| CDI |
0 |
0 |
0 |
102 |
1610 |
1922 |
391 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
163 |
2009 |
6201 |
2964 |
|
Date: 2021-05-24:
| 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 |
74032 |
14299 |
148 |
862 |
354 |
111 |
1 |
0 |
| OW |
59 |
316 |
81 |
443 |
166 |
46 |
5 |
0 |
| VODI |
0 |
68 |
19 |
582 |
555 |
65 |
8 |
0 |
| ODI |
0 |
15 |
3 |
210 |
1682 |
196 |
6 |
0 |
| CDI |
0 |
4 |
3 |
112 |
1269 |
2341 |
154 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
66 |
2062 |
4928 |
3825 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
74032 |
14255 |
168 |
1071 |
484 |
149 |
6 |
0 |
| OW |
59 |
235 |
49 |
320 |
260 |
70 |
4 |
0 |
| VODI |
0 |
156 |
18 |
323 |
608 |
143 |
6 |
0 |
| ODI |
0 |
43 |
14 |
277 |
1020 |
223 |
31 |
0 |
| CDI |
0 |
13 |
5 |
205 |
1455 |
1586 |
335 |
0 |
| VCDI |
0 |
0 |
0 |
17 |
265 |
2650 |
4720 |
3825 |
|
Date: 2021-05-26:
| 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 |
74444 |
14034 |
164 |
960 |
392 |
115 |
23 |
0 |
| OW |
55 |
282 |
49 |
520 |
196 |
44 |
10 |
0 |
| VODI |
0 |
145 |
12 |
477 |
854 |
64 |
11 |
0 |
| ODI |
0 |
37 |
6 |
302 |
1204 |
271 |
16 |
0 |
| CDI |
0 |
6 |
2 |
176 |
1559 |
1449 |
178 |
0 |
| VCDI |
0 |
0 |
0 |
30 |
296 |
4005 |
3129 |
3583 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
74442 |
13920 |
165 |
1131 |
480 |
154 |
28 |
0 |
| OW |
57 |
237 |
35 |
382 |
273 |
58 |
11 |
0 |
| VODI |
0 |
201 |
10 |
343 |
644 |
118 |
16 |
0 |
| ODI |
0 |
134 |
19 |
286 |
970 |
318 |
44 |
0 |
| CDI |
0 |
12 |
4 |
247 |
1490 |
1262 |
299 |
0 |
| VCDI |
0 |
0 |
0 |
76 |
644 |
4038 |
2969 |
3583 |
|
Date: 2021-05-28:
| 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 |
75862 |
12999 |
170 |
1053 |
250 |
95 |
31 |
0 |
| OW |
52 |
338 |
56 |
534 |
291 |
30 |
16 |
0 |
| VODI |
0 |
140 |
13 |
574 |
803 |
88 |
18 |
0 |
| ODI |
0 |
51 |
16 |
337 |
1017 |
219 |
48 |
0 |
| CDI |
0 |
8 |
2 |
161 |
1574 |
1455 |
435 |
0 |
| VCDI |
0 |
0 |
0 |
32 |
241 |
3323 |
3238 |
3530 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
75862 |
12890 |
179 |
1142 |
397 |
143 |
55 |
0 |
| OW |
52 |
275 |
40 |
352 |
320 |
49 |
17 |
0 |
| VODI |
0 |
216 |
11 |
512 |
712 |
133 |
13 |
0 |
| ODI |
0 |
133 |
23 |
463 |
863 |
246 |
82 |
0 |
| CDI |
0 |
22 |
4 |
205 |
1563 |
1292 |
279 |
0 |
| VCDI |
0 |
0 |
0 |
17 |
321 |
3347 |
3340 |
3530 |
|
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