Validation of sea ice concentration - European sector
Bulletin date: 2021-09-23
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-09-17:
| 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 |
99351 |
2612 |
4 |
6 |
0 |
0 |
0 |
0 |
| OW |
0 |
260 |
18 |
35 |
0 |
0 |
0 |
0 |
| VODI |
0 |
66 |
18 |
225 |
32 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
102 |
284 |
16 |
0 |
0 |
| CDI |
0 |
0 |
0 |
2 |
423 |
809 |
18 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
11 |
2372 |
2427 |
9 |
|
...date precedes bulletin
|
Date: 2021-09-19:
| 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 |
99437 |
2603 |
3 |
5 |
0 |
0 |
0 |
0 |
| OW |
0 |
292 |
21 |
51 |
0 |
0 |
0 |
0 |
| VODI |
0 |
64 |
21 |
195 |
52 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
74 |
242 |
24 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
365 |
597 |
21 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
54 |
3657 |
1322 |
0 |
|
...date precedes bulletin
|
Date: 2021-09-21:
| 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 |
98765 |
3437 |
14 |
14 |
0 |
0 |
0 |
0 |
| OW |
0 |
143 |
27 |
78 |
0 |
0 |
0 |
0 |
| VODI |
0 |
18 |
8 |
259 |
31 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
41 |
263 |
0 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
217 |
630 |
33 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
3074 |
2048 |
0 |
|
...date precedes bulletin
|
Date: 2021-09-23:
| 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 |
98587 |
3456 |
9 |
21 |
7 |
0 |
0 |
0 |
| OW |
0 |
214 |
16 |
25 |
12 |
0 |
0 |
0 |
| VODI |
0 |
66 |
17 |
179 |
15 |
0 |
0 |
0 |
| ODI |
0 |
9 |
3 |
121 |
144 |
0 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
286 |
275 |
15 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
60 |
3196 |
2367 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
98587 |
3461 |
7 |
21 |
12 |
0 |
0 |
0 |
| OW |
0 |
214 |
17 |
34 |
7 |
0 |
0 |
0 |
| VODI |
0 |
66 |
18 |
187 |
23 |
0 |
0 |
0 |
| ODI |
0 |
4 |
3 |
104 |
165 |
0 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
266 |
258 |
17 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
51 |
3213 |
2365 |
0 |
|
Date: 2021-09-25:
| 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 |
98413 |
3398 |
7 |
24 |
19 |
0 |
0 |
0 |
| OW |
0 |
221 |
12 |
35 |
15 |
0 |
0 |
0 |
| VODI |
0 |
168 |
18 |
80 |
28 |
0 |
0 |
0 |
| ODI |
0 |
12 |
9 |
148 |
77 |
1 |
0 |
0 |
| CDI |
0 |
0 |
0 |
41 |
319 |
121 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
59 |
1792 |
3528 |
555 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
98413 |
3398 |
7 |
23 |
21 |
0 |
0 |
0 |
| OW |
0 |
237 |
13 |
37 |
14 |
0 |
0 |
0 |
| VODI |
0 |
156 |
16 |
90 |
38 |
0 |
0 |
0 |
| ODI |
0 |
8 |
10 |
130 |
105 |
3 |
0 |
0 |
| CDI |
0 |
0 |
0 |
48 |
274 |
89 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
65 |
1822 |
3528 |
555 |
|
Date: 2021-09-27:
| 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 |
97253 |
4466 |
21 |
70 |
29 |
0 |
0 |
0 |
| OW |
0 |
149 |
7 |
60 |
43 |
1 |
0 |
0 |
| VODI |
0 |
30 |
18 |
118 |
87 |
4 |
0 |
0 |
| ODI |
0 |
0 |
0 |
78 |
182 |
16 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
231 |
219 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
2073 |
2896 |
1046 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
97253 |
4201 |
16 |
45 |
33 |
0 |
0 |
0 |
| OW |
0 |
183 |
8 |
66 |
36 |
2 |
0 |
0 |
| VODI |
0 |
158 |
7 |
33 |
105 |
8 |
0 |
0 |
| ODI |
0 |
78 |
11 |
57 |
98 |
28 |
0 |
0 |
| CDI |
0 |
25 |
4 |
123 |
133 |
67 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
170 |
2208 |
2896 |
1046 |
|
Date: 2021-09-29:
| 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 |
96827 |
4502 |
32 |
170 |
47 |
0 |
0 |
0 |
| OW |
0 |
68 |
7 |
90 |
105 |
6 |
0 |
0 |
| VODI |
0 |
5 |
6 |
56 |
164 |
33 |
0 |
0 |
| ODI |
0 |
0 |
0 |
29 |
99 |
119 |
0 |
0 |
| CDI |
0 |
0 |
0 |
4 |
79 |
307 |
51 |
2 |
| VCDI |
0 |
0 |
0 |
0 |
21 |
754 |
3848 |
1669 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
96827 |
4358 |
23 |
116 |
47 |
2 |
0 |
0 |
| OW |
0 |
137 |
10 |
50 |
77 |
10 |
0 |
0 |
| VODI |
0 |
46 |
10 |
94 |
115 |
60 |
0 |
0 |
| ODI |
0 |
28 |
0 |
39 |
109 |
103 |
7 |
0 |
| CDI |
0 |
6 |
2 |
43 |
96 |
174 |
61 |
20 |
| VCDI |
0 |
0 |
0 |
7 |
71 |
870 |
3831 |
1651 |
|
Date: 2021-10-01:
| 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 |
97553 |
3669 |
25 |
143 |
63 |
0 |
0 |
0 |
| OW |
0 |
75 |
7 |
110 |
116 |
4 |
0 |
0 |
| VODI |
0 |
7 |
7 |
57 |
176 |
30 |
0 |
0 |
| ODI |
0 |
0 |
0 |
25 |
125 |
92 |
7 |
0 |
| CDI |
0 |
0 |
0 |
6 |
108 |
260 |
83 |
2 |
| VCDI |
0 |
0 |
0 |
0 |
16 |
794 |
3985 |
1555 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
97553 |
3641 |
26 |
110 |
50 |
0 |
0 |
0 |
| OW |
0 |
97 |
10 |
115 |
103 |
8 |
0 |
0 |
| VODI |
0 |
13 |
3 |
83 |
178 |
90 |
0 |
0 |
| ODI |
0 |
0 |
0 |
27 |
118 |
101 |
48 |
0 |
| CDI |
0 |
0 |
0 |
6 |
137 |
202 |
126 |
9 |
| VCDI |
0 |
0 |
0 |
0 |
18 |
779 |
3901 |
1548 |
|
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