Validation of sea ice concentration - European sector
Bulletin date: 2023-06-29
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-06-23:
| 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 |
76959 |
12464 |
890 |
2609 |
479 |
6 |
0 |
0 |
| OW |
12 |
72 |
94 |
695 |
418 |
18 |
1 |
0 |
| VODI |
0 |
18 |
27 |
403 |
789 |
153 |
6 |
0 |
| ODI |
0 |
1 |
4 |
68 |
927 |
522 |
17 |
0 |
| CDI |
0 |
12 |
23 |
109 |
913 |
1746 |
324 |
0 |
| VCDI |
0 |
0 |
1 |
3 |
27 |
1378 |
5817 |
1095 |
|
...date precedes bulletin
|
Date: 2023-06-25:
| 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 |
77516 |
12522 |
1049 |
2487 |
345 |
10 |
0 |
0 |
| OW |
10 |
47 |
86 |
577 |
327 |
40 |
1 |
0 |
| VODI |
0 |
16 |
15 |
408 |
770 |
181 |
0 |
0 |
| ODI |
0 |
1 |
9 |
80 |
763 |
716 |
33 |
0 |
| CDI |
0 |
18 |
23 |
150 |
759 |
1435 |
566 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
10 |
1038 |
6503 |
588 |
|
...date precedes bulletin
|
Date: 2023-06-27:
| 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 |
78734 |
12334 |
1048 |
1720 |
193 |
10 |
0 |
0 |
| OW |
9 |
38 |
71 |
481 |
197 |
6 |
0 |
0 |
| VODI |
0 |
16 |
33 |
593 |
622 |
37 |
0 |
0 |
| ODI |
0 |
2 |
20 |
320 |
1242 |
482 |
1 |
0 |
| CDI |
0 |
17 |
23 |
176 |
827 |
1475 |
307 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
61 |
1794 |
6019 |
192 |
|
...date precedes bulletin
|
Date: 2023-06-29:
| 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 |
79570 |
12074 |
867 |
1524 |
225 |
9 |
0 |
0 |
| OW |
9 |
74 |
86 |
524 |
238 |
7 |
0 |
0 |
| VODI |
0 |
13 |
26 |
542 |
839 |
30 |
0 |
0 |
| ODI |
0 |
13 |
24 |
222 |
1326 |
380 |
10 |
0 |
| CDI |
0 |
23 |
39 |
205 |
954 |
1250 |
130 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
74 |
3212 |
4581 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
79570 |
12089 |
878 |
1559 |
242 |
9 |
0 |
0 |
| OW |
9 |
56 |
69 |
459 |
220 |
6 |
0 |
0 |
| VODI |
0 |
17 |
30 |
542 |
766 |
20 |
0 |
0 |
| ODI |
0 |
13 |
27 |
250 |
1331 |
310 |
7 |
0 |
| CDI |
0 |
22 |
38 |
207 |
1019 |
1316 |
130 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
78 |
3227 |
4584 |
0 |
|
Date: 2023-07-01:
| 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 |
80657 |
11921 |
749 |
1024 |
164 |
4 |
0 |
0 |
| OW |
7 |
82 |
91 |
614 |
303 |
8 |
0 |
0 |
| VODI |
0 |
22 |
33 |
437 |
852 |
96 |
0 |
0 |
| ODI |
0 |
11 |
27 |
201 |
1113 |
442 |
3 |
0 |
| CDI |
0 |
31 |
48 |
244 |
1093 |
1284 |
172 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
125 |
3372 |
3838 |
32 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
80657 |
11911 |
761 |
1099 |
193 |
4 |
0 |
0 |
| OW |
7 |
82 |
68 |
492 |
299 |
15 |
0 |
0 |
| VODI |
0 |
31 |
41 |
470 |
770 |
60 |
0 |
0 |
| ODI |
0 |
12 |
33 |
213 |
1118 |
409 |
1 |
0 |
| CDI |
0 |
31 |
45 |
246 |
1109 |
1376 |
223 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
161 |
3342 |
3789 |
32 |
|
Date: 2023-07-03:
| 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 |
81402 |
11580 |
622 |
907 |
153 |
15 |
0 |
0 |
| OW |
7 |
76 |
108 |
429 |
155 |
12 |
0 |
0 |
| VODI |
0 |
31 |
53 |
579 |
591 |
47 |
0 |
0 |
| ODI |
0 |
14 |
20 |
293 |
1977 |
376 |
0 |
0 |
| CDI |
0 |
7 |
23 |
150 |
956 |
1797 |
180 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
175 |
4245 |
2120 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
81403 |
11526 |
625 |
1153 |
297 |
49 |
0 |
0 |
| OW |
6 |
98 |
88 |
401 |
367 |
10 |
0 |
0 |
| VODI |
0 |
46 |
46 |
358 |
906 |
61 |
0 |
0 |
| ODI |
0 |
12 |
27 |
214 |
949 |
325 |
1 |
0 |
| CDI |
0 |
26 |
40 |
232 |
1132 |
1305 |
141 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
356 |
4742 |
2158 |
0 |
|
Date: 2023-07-05:
| 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 |
83417 |
10216 |
483 |
799 |
141 |
32 |
3 |
0 |
| OW |
6 |
136 |
103 |
371 |
229 |
27 |
1 |
0 |
| VODI |
0 |
43 |
61 |
499 |
1036 |
48 |
1 |
0 |
| ODI |
0 |
12 |
15 |
216 |
1383 |
362 |
8 |
0 |
| CDI |
0 |
4 |
13 |
164 |
667 |
1649 |
205 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
455 |
5216 |
1076 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
83417 |
10125 |
502 |
997 |
369 |
70 |
5 |
0 |
| OW |
6 |
166 |
74 |
294 |
418 |
20 |
0 |
0 |
| VODI |
0 |
78 |
50 |
305 |
945 |
77 |
5 |
0 |
| ODI |
0 |
22 |
21 |
213 |
730 |
218 |
18 |
0 |
| CDI |
0 |
20 |
28 |
222 |
760 |
1310 |
104 |
0 |
| VCDI |
0 |
0 |
0 |
21 |
689 |
5639 |
1162 |
0 |
|
Date: 2023-07-07:
| 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 |
82653 |
11242 |
502 |
813 |
161 |
36 |
2 |
0 |
| OW |
6 |
140 |
104 |
373 |
304 |
33 |
6 |
0 |
| VODI |
0 |
41 |
55 |
665 |
1114 |
28 |
1 |
0 |
| ODI |
0 |
18 |
15 |
183 |
877 |
289 |
0 |
0 |
| CDI |
0 |
8 |
22 |
207 |
681 |
1871 |
36 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
731 |
5119 |
764 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
82654 |
11139 |
530 |
1003 |
436 |
74 |
9 |
0 |
| OW |
5 |
192 |
67 |
381 |
425 |
10 |
0 |
0 |
| VODI |
0 |
54 |
42 |
389 |
814 |
62 |
0 |
0 |
| ODI |
0 |
25 |
15 |
175 |
498 |
124 |
1 |
0 |
| CDI |
0 |
39 |
44 |
287 |
818 |
1558 |
7 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
877 |
5548 |
792 |
0 |
|
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