Validation of sea ice concentration - European sector
Bulletin date: 2023-10-19
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-10-13:
| 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 |
84162 |
4380 |
62 |
17 |
3 |
0 |
0 |
0 |
| OW |
0 |
266 |
94 |
142 |
21 |
0 |
0 |
0 |
| VODI |
0 |
76 |
73 |
178 |
159 |
17 |
0 |
0 |
| ODI |
0 |
14 |
46 |
142 |
92 |
85 |
8 |
0 |
| CDI |
0 |
0 |
4 |
225 |
295 |
186 |
31 |
0 |
| VCDI |
0 |
0 |
0 |
10 |
201 |
1355 |
6195 |
1877 |
|
...date precedes bulletin
|
Date: 2023-10-15:
| 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 |
84034 |
4392 |
89 |
35 |
3 |
0 |
0 |
0 |
| OW |
0 |
256 |
47 |
145 |
30 |
0 |
0 |
0 |
| VODI |
0 |
147 |
67 |
112 |
128 |
56 |
0 |
0 |
| ODI |
0 |
43 |
72 |
118 |
83 |
42 |
0 |
0 |
| CDI |
0 |
1 |
34 |
305 |
186 |
181 |
76 |
0 |
| VCDI |
0 |
0 |
0 |
93 |
264 |
1653 |
5683 |
2041 |
|
...date precedes bulletin
|
Date: 2023-10-17:
| 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 |
82021 |
6382 |
194 |
88 |
2 |
0 |
0 |
0 |
| OW |
0 |
182 |
89 |
228 |
13 |
0 |
0 |
0 |
| VODI |
0 |
42 |
30 |
289 |
46 |
12 |
0 |
0 |
| ODI |
0 |
3 |
22 |
147 |
170 |
45 |
0 |
0 |
| CDI |
0 |
0 |
0 |
133 |
417 |
242 |
76 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
143 |
1735 |
5262 |
2403 |
|
...date precedes bulletin
|
Date: 2023-10-19:
| 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 |
81915 |
6071 |
152 |
317 |
6 |
0 |
0 |
0 |
| OW |
0 |
210 |
102 |
166 |
9 |
0 |
0 |
0 |
| VODI |
0 |
65 |
49 |
247 |
47 |
2 |
0 |
0 |
| ODI |
0 |
33 |
23 |
154 |
170 |
18 |
0 |
0 |
| CDI |
0 |
0 |
10 |
127 |
518 |
511 |
7 |
0 |
| VCDI |
0 |
0 |
0 |
24 |
264 |
2490 |
4919 |
1790 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
81915 |
6118 |
151 |
323 |
9 |
0 |
0 |
0 |
| OW |
0 |
169 |
99 |
185 |
8 |
0 |
0 |
0 |
| VODI |
0 |
61 |
61 |
228 |
57 |
4 |
0 |
0 |
| ODI |
0 |
31 |
15 |
153 |
171 |
21 |
0 |
0 |
| CDI |
0 |
0 |
10 |
124 |
530 |
533 |
6 |
0 |
| VCDI |
0 |
0 |
0 |
22 |
239 |
2463 |
4920 |
1790 |
|
Date: 2023-10-21:
| 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 |
82938 |
4911 |
83 |
42 |
2 |
0 |
0 |
0 |
| OW |
0 |
271 |
110 |
151 |
13 |
0 |
0 |
0 |
| VODI |
0 |
136 |
107 |
239 |
47 |
2 |
0 |
0 |
| ODI |
0 |
56 |
51 |
233 |
167 |
16 |
0 |
0 |
| CDI |
0 |
2 |
27 |
295 |
508 |
488 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
146 |
2076 |
5473 |
1826 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
82938 |
4954 |
92 |
49 |
4 |
0 |
0 |
0 |
| OW |
0 |
250 |
111 |
161 |
12 |
0 |
0 |
0 |
| VODI |
0 |
126 |
95 |
227 |
59 |
3 |
0 |
0 |
| ODI |
0 |
44 |
51 |
222 |
178 |
32 |
0 |
0 |
| CDI |
0 |
2 |
29 |
301 |
483 |
463 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
147 |
2084 |
5473 |
1826 |
|
Date: 2023-10-23:
| 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 |
83596 |
4224 |
59 |
48 |
7 |
0 |
0 |
0 |
| OW |
0 |
620 |
167 |
199 |
22 |
0 |
0 |
0 |
| VODI |
0 |
130 |
51 |
282 |
108 |
1 |
0 |
0 |
| ODI |
0 |
5 |
6 |
157 |
358 |
85 |
0 |
0 |
| CDI |
0 |
0 |
0 |
4 |
309 |
868 |
21 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
7 |
1661 |
5847 |
1574 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
83589 |
4096 |
72 |
72 |
8 |
0 |
0 |
0 |
| OW |
7 |
358 |
55 |
129 |
19 |
0 |
0 |
0 |
| VODI |
0 |
265 |
63 |
147 |
50 |
0 |
0 |
0 |
| ODI |
0 |
118 |
52 |
141 |
123 |
18 |
0 |
0 |
| CDI |
0 |
140 |
41 |
194 |
481 |
428 |
7 |
0 |
| VCDI |
0 |
2 |
0 |
7 |
130 |
2169 |
5861 |
1574 |
|
Date: 2023-10-25:
| 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 |
83042 |
4639 |
108 |
95 |
15 |
0 |
0 |
0 |
| OW |
1 |
449 |
154 |
302 |
55 |
0 |
0 |
0 |
| VODI |
0 |
37 |
37 |
370 |
89 |
0 |
0 |
0 |
| ODI |
0 |
5 |
15 |
200 |
200 |
31 |
0 |
0 |
| CDI |
0 |
0 |
0 |
48 |
502 |
709 |
29 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
75 |
1858 |
3950 |
3401 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
83003 |
4499 |
95 |
94 |
25 |
0 |
0 |
0 |
| OW |
40 |
319 |
64 |
128 |
37 |
0 |
0 |
0 |
| VODI |
0 |
215 |
70 |
194 |
54 |
0 |
0 |
0 |
| ODI |
0 |
68 |
35 |
189 |
94 |
15 |
0 |
0 |
| CDI |
0 |
29 |
50 |
396 |
452 |
452 |
20 |
0 |
| VCDI |
0 |
0 |
0 |
14 |
274 |
2131 |
3959 |
3401 |
|
Date: 2023-10-27:
| 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 |
82600 |
4783 |
120 |
121 |
27 |
0 |
0 |
0 |
| OW |
2 |
428 |
151 |
318 |
67 |
2 |
0 |
0 |
| VODI |
0 |
36 |
55 |
330 |
73 |
4 |
0 |
0 |
| ODI |
0 |
5 |
9 |
243 |
163 |
29 |
0 |
0 |
| CDI |
0 |
1 |
5 |
87 |
435 |
570 |
240 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
125 |
1686 |
4066 |
3633 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
82548 |
4664 |
81 |
76 |
52 |
0 |
0 |
0 |
| OW |
41 |
357 |
97 |
109 |
28 |
2 |
0 |
0 |
| VODI |
13 |
160 |
81 |
267 |
39 |
0 |
0 |
0 |
| ODI |
0 |
48 |
38 |
176 |
68 |
15 |
4 |
0 |
| CDI |
0 |
24 |
41 |
298 |
309 |
191 |
86 |
0 |
| VCDI |
0 |
0 |
2 |
175 |
394 |
2083 |
4216 |
3633 |
|
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