Validation of sea ice concentration - European sector
Bulletin date: 2023-09-28
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
85913 |
3531 |
78 |
111 |
0 |
0 |
0 |
0 |
| OW |
0 |
391 |
161 |
369 |
29 |
3 |
0 |
0 |
| VODI |
0 |
9 |
39 |
452 |
253 |
15 |
0 |
0 |
| ODI |
0 |
0 |
0 |
111 |
490 |
34 |
10 |
0 |
| CDI |
0 |
0 |
0 |
10 |
575 |
1275 |
312 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1788 |
4316 |
141 |
|
...date precedes bulletin
|
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 |
85741 |
3581 |
117 |
135 |
0 |
0 |
0 |
0 |
| OW |
0 |
375 |
162 |
303 |
114 |
8 |
0 |
0 |
| VODI |
0 |
5 |
45 |
334 |
322 |
29 |
0 |
0 |
| ODI |
0 |
0 |
0 |
63 |
388 |
128 |
5 |
0 |
| CDI |
0 |
0 |
0 |
3 |
265 |
886 |
597 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1134 |
5644 |
32 |
|
...date precedes bulletin
|
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 |
84965 |
4222 |
145 |
94 |
0 |
0 |
0 |
0 |
| OW |
0 |
266 |
193 |
226 |
0 |
0 |
0 |
0 |
| VODI |
0 |
1 |
32 |
565 |
162 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
118 |
648 |
39 |
0 |
0 |
| CDI |
0 |
0 |
0 |
2 |
157 |
764 |
117 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
557 |
6937 |
206 |
|
...date precedes bulletin
|
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 |
85364 |
3685 |
158 |
88 |
0 |
0 |
0 |
0 |
| OW |
0 |
265 |
124 |
293 |
10 |
0 |
0 |
0 |
| VODI |
0 |
20 |
61 |
440 |
184 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
122 |
544 |
64 |
0 |
0 |
| CDI |
0 |
0 |
0 |
6 |
195 |
625 |
170 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
481 |
4377 |
3140 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
85364 |
3708 |
149 |
84 |
0 |
0 |
0 |
0 |
| OW |
0 |
249 |
143 |
306 |
7 |
0 |
0 |
0 |
| VODI |
0 |
13 |
51 |
465 |
231 |
2 |
0 |
0 |
| ODI |
0 |
0 |
0 |
91 |
522 |
62 |
0 |
0 |
| CDI |
0 |
0 |
0 |
3 |
173 |
634 |
181 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
472 |
4366 |
3140 |
|
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 |
85361 |
3659 |
114 |
145 |
4 |
0 |
0 |
0 |
| OW |
0 |
325 |
74 |
200 |
107 |
0 |
0 |
0 |
| VODI |
0 |
41 |
86 |
281 |
192 |
33 |
0 |
0 |
| ODI |
0 |
0 |
0 |
113 |
236 |
133 |
3 |
0 |
| CDI |
0 |
0 |
0 |
21 |
195 |
520 |
125 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
6 |
280 |
2752 |
5410 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
85361 |
3688 |
112 |
141 |
2 |
0 |
0 |
0 |
| OW |
0 |
319 |
91 |
232 |
111 |
0 |
0 |
0 |
| VODI |
0 |
18 |
71 |
295 |
218 |
45 |
0 |
0 |
| ODI |
0 |
0 |
0 |
78 |
222 |
167 |
6 |
0 |
| CDI |
0 |
0 |
0 |
14 |
185 |
475 |
136 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
279 |
2738 |
5410 |
|
Date: 2023-10-02:
| 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 |
84012 |
4782 |
66 |
197 |
91 |
34 |
0 |
0 |
| OW |
0 |
268 |
145 |
104 |
39 |
16 |
5 |
0 |
| VODI |
0 |
4 |
54 |
271 |
90 |
14 |
16 |
0 |
| ODI |
0 |
0 |
0 |
114 |
133 |
19 |
11 |
0 |
| CDI |
0 |
0 |
0 |
22 |
213 |
255 |
76 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
9 |
289 |
4960 |
4107 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
84012 |
4643 |
71 |
229 |
105 |
39 |
6 |
0 |
| OW |
0 |
302 |
83 |
104 |
88 |
35 |
43 |
0 |
| VODI |
0 |
96 |
66 |
155 |
114 |
56 |
172 |
0 |
| ODI |
0 |
13 |
22 |
131 |
63 |
102 |
99 |
0 |
| CDI |
0 |
0 |
23 |
76 |
152 |
155 |
327 |
23 |
| VCDI |
0 |
0 |
0 |
13 |
53 |
240 |
4421 |
4084 |
|
Date: 2023-10-04:
| 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 |
84728 |
3902 |
72 |
154 |
63 |
6 |
0 |
0 |
| OW |
0 |
356 |
99 |
95 |
33 |
18 |
0 |
0 |
| VODI |
0 |
81 |
117 |
198 |
50 |
11 |
4 |
0 |
| ODI |
0 |
0 |
9 |
176 |
84 |
22 |
3 |
0 |
| CDI |
0 |
0 |
0 |
120 |
393 |
127 |
2 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
55 |
2183 |
6372 |
883 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
84728 |
3814 |
76 |
181 |
85 |
16 |
1 |
0 |
| OW |
0 |
352 |
83 |
111 |
49 |
48 |
8 |
0 |
| VODI |
0 |
155 |
84 |
148 |
93 |
78 |
0 |
0 |
| ODI |
0 |
18 |
38 |
158 |
101 |
88 |
84 |
0 |
| CDI |
0 |
0 |
16 |
143 |
281 |
185 |
189 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
69 |
1952 |
6099 |
883 |
|
Date: 2023-10-06:
| 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 |
84208 |
4089 |
76 |
169 |
123 |
15 |
0 |
0 |
| OW |
0 |
365 |
64 |
163 |
54 |
44 |
3 |
0 |
| VODI |
0 |
166 |
87 |
103 |
78 |
43 |
10 |
0 |
| ODI |
0 |
8 |
54 |
148 |
36 |
61 |
6 |
0 |
| CDI |
0 |
0 |
9 |
215 |
394 |
132 |
14 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
48 |
1470 |
6941 |
1020 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
84208 |
4011 |
60 |
183 |
133 |
46 |
0 |
0 |
| OW |
0 |
425 |
81 |
122 |
67 |
65 |
23 |
0 |
| VODI |
0 |
167 |
62 |
160 |
89 |
49 |
14 |
0 |
| ODI |
0 |
22 |
63 |
144 |
100 |
59 |
39 |
0 |
| CDI |
0 |
3 |
24 |
188 |
267 |
231 |
298 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
77 |
1315 |
6600 |
1020 |
|
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