Validation of sea ice concentration - European sector
Bulletin date: 2024-10-31
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-10-25:
| 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 |
85408 |
3836 |
28 |
18 |
4 |
0 |
0 |
0 |
| OW |
1525 |
199 |
56 |
110 |
75 |
2 |
0 |
0 |
| VODI |
2513 |
55 |
55 |
97 |
65 |
78 |
0 |
0 |
| ODI |
0 |
11 |
12 |
72 |
118 |
54 |
0 |
0 |
| CDI |
0 |
6 |
11 |
45 |
203 |
303 |
11 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
50 |
2784 |
4329 |
727 |
|
...date precedes bulletin
|
Date: 2024-10-27:
| 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 |
84973 |
3777 |
224 |
35 |
0 |
0 |
0 |
0 |
| OW |
1407 |
139 |
133 |
114 |
56 |
4 |
0 |
0 |
| VODI |
2708 |
44 |
82 |
133 |
105 |
55 |
0 |
0 |
| ODI |
0 |
20 |
12 |
90 |
137 |
49 |
0 |
0 |
| CDI |
0 |
13 |
18 |
39 |
145 |
550 |
31 |
0 |
| VCDI |
0 |
4 |
9 |
25 |
59 |
3350 |
4055 |
267 |
|
...date precedes bulletin
|
Date: 2024-10-29:
| 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 |
84735 |
4008 |
51 |
32 |
0 |
0 |
0 |
0 |
| OW |
1349 |
314 |
60 |
86 |
45 |
5 |
0 |
0 |
| VODI |
2782 |
72 |
78 |
138 |
133 |
100 |
0 |
0 |
| ODI |
0 |
12 |
13 |
81 |
113 |
200 |
3 |
0 |
| CDI |
0 |
4 |
10 |
36 |
128 |
868 |
68 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
42 |
3013 |
3201 |
1080 |
|
...date precedes bulletin
|
Date: 2024-10-31:
| 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 |
83811 |
4369 |
63 |
107 |
11 |
0 |
0 |
0 |
| OW |
1318 |
321 |
80 |
122 |
41 |
0 |
0 |
0 |
| VODI |
2816 |
74 |
73 |
173 |
149 |
61 |
0 |
0 |
| ODI |
0 |
7 |
20 |
108 |
176 |
230 |
6 |
0 |
| CDI |
0 |
0 |
0 |
37 |
204 |
1461 |
66 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
23 |
3571 |
3364 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
83811 |
4373 |
52 |
104 |
11 |
0 |
0 |
0 |
| OW |
1318 |
306 |
88 |
112 |
45 |
1 |
0 |
0 |
| VODI |
2816 |
83 |
76 |
185 |
150 |
62 |
0 |
0 |
| ODI |
0 |
9 |
20 |
107 |
181 |
227 |
2 |
0 |
| CDI |
0 |
0 |
0 |
39 |
193 |
1627 |
77 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
24 |
3406 |
3357 |
0 |
|
Date: 2024-11-02:
| 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 |
83486 |
4426 |
56 |
112 |
9 |
0 |
0 |
0 |
| OW |
1305 |
425 |
94 |
104 |
74 |
3 |
0 |
0 |
| VODI |
2839 |
108 |
87 |
163 |
124 |
60 |
0 |
0 |
| ODI |
0 |
11 |
32 |
141 |
118 |
194 |
6 |
0 |
| CDI |
0 |
0 |
0 |
65 |
241 |
951 |
96 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
16 |
2989 |
4100 |
427 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
83488 |
4453 |
55 |
107 |
13 |
0 |
0 |
0 |
| OW |
1304 |
393 |
93 |
97 |
80 |
5 |
0 |
0 |
| VODI |
2838 |
111 |
89 |
176 |
107 |
66 |
0 |
0 |
| ODI |
0 |
13 |
32 |
143 |
126 |
190 |
3 |
0 |
| CDI |
0 |
0 |
0 |
62 |
240 |
1048 |
103 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
16 |
2888 |
4096 |
427 |
|
Date: 2024-11-04:
| 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 |
83179 |
4712 |
34 |
35 |
9 |
0 |
0 |
0 |
| OW |
1218 |
540 |
121 |
76 |
16 |
0 |
0 |
0 |
| VODI |
2997 |
48 |
88 |
275 |
231 |
11 |
0 |
0 |
| ODI |
0 |
1 |
9 |
113 |
276 |
227 |
5 |
0 |
| CDI |
0 |
0 |
1 |
17 |
143 |
1684 |
230 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
2657 |
3708 |
198 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
83179 |
4590 |
38 |
29 |
10 |
0 |
0 |
0 |
| OW |
1218 |
526 |
78 |
90 |
74 |
0 |
0 |
0 |
| VODI |
2997 |
149 |
105 |
149 |
138 |
23 |
0 |
0 |
| ODI |
0 |
33 |
24 |
152 |
161 |
115 |
3 |
0 |
| CDI |
0 |
3 |
8 |
96 |
291 |
1087 |
141 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
4 |
3354 |
3799 |
198 |
|
Date: 2024-11-06:
| 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 |
82563 |
4981 |
69 |
86 |
16 |
0 |
0 |
0 |
| OW |
1191 |
491 |
77 |
147 |
53 |
0 |
0 |
0 |
| VODI |
3033 |
86 |
87 |
214 |
263 |
5 |
0 |
0 |
| ODI |
0 |
3 |
10 |
88 |
364 |
98 |
1 |
0 |
| CDI |
0 |
0 |
0 |
25 |
295 |
653 |
74 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
15 |
3056 |
4425 |
393 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
82564 |
4889 |
79 |
126 |
22 |
0 |
0 |
0 |
| OW |
1191 |
464 |
54 |
155 |
120 |
0 |
0 |
0 |
| VODI |
3032 |
162 |
60 |
87 |
275 |
19 |
0 |
0 |
| ODI |
0 |
40 |
40 |
107 |
216 |
83 |
8 |
0 |
| CDI |
0 |
6 |
10 |
85 |
350 |
624 |
82 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
23 |
3086 |
4410 |
393 |
|
Date: 2024-11-08:
| 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 |
81565 |
5874 |
108 |
100 |
1 |
0 |
0 |
0 |
| OW |
1166 |
499 |
91 |
117 |
54 |
1 |
0 |
0 |
| VODI |
3064 |
125 |
86 |
181 |
199 |
23 |
0 |
0 |
| ODI |
0 |
12 |
29 |
112 |
169 |
89 |
0 |
0 |
| CDI |
0 |
2 |
4 |
55 |
258 |
649 |
14 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
12 |
2535 |
5413 |
255 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
81564 |
5656 |
133 |
146 |
37 |
0 |
0 |
0 |
| OW |
1168 |
580 |
50 |
96 |
85 |
5 |
0 |
0 |
| VODI |
3063 |
222 |
75 |
132 |
174 |
71 |
2 |
0 |
| ODI |
0 |
42 |
45 |
110 |
115 |
122 |
10 |
0 |
| CDI |
0 |
12 |
15 |
80 |
266 |
499 |
40 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
16 |
2600 |
5375 |
255 |
|
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