Validation of sea ice concentration - European sector
Bulletin date: 2024-01-04
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-12-29:
| 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 |
75759 |
12033 |
224 |
242 |
105 |
106 |
239 |
0 |
| OW |
75 |
595 |
99 |
161 |
69 |
18 |
38 |
0 |
| VODI |
0 |
363 |
107 |
203 |
156 |
53 |
30 |
0 |
| ODI |
0 |
153 |
56 |
168 |
207 |
74 |
30 |
0 |
| CDI |
0 |
92 |
33 |
136 |
265 |
242 |
104 |
0 |
| VCDI |
0 |
79 |
43 |
173 |
738 |
3782 |
8478 |
3572 |
|
...date precedes bulletin
|
Date: 2023-12-31:
| 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 |
74852 |
12631 |
203 |
253 |
132 |
134 |
200 |
0 |
| OW |
77 |
839 |
58 |
93 |
70 |
12 |
41 |
0 |
| VODI |
3 |
576 |
110 |
146 |
102 |
35 |
34 |
0 |
| ODI |
1 |
217 |
85 |
195 |
142 |
60 |
21 |
0 |
| CDI |
1 |
147 |
55 |
168 |
270 |
233 |
60 |
0 |
| VCDI |
0 |
172 |
87 |
316 |
797 |
3609 |
8759 |
3104 |
|
...date precedes bulletin
|
Date: 2024-01-02:
| 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 |
73818 |
14169 |
269 |
228 |
88 |
106 |
119 |
0 |
| OW |
82 |
557 |
138 |
209 |
46 |
6 |
28 |
0 |
| VODI |
2 |
285 |
136 |
344 |
143 |
23 |
40 |
0 |
| ODI |
2 |
120 |
67 |
225 |
215 |
58 |
31 |
0 |
| CDI |
0 |
38 |
48 |
175 |
429 |
336 |
61 |
0 |
| VCDI |
0 |
41 |
37 |
172 |
669 |
2860 |
10650 |
2030 |
|
...date precedes bulletin
|
Date: 2024-01-04:
| 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 |
73408 |
13694 |
288 |
313 |
136 |
118 |
97 |
0 |
| OW |
98 |
579 |
111 |
234 |
143 |
24 |
24 |
0 |
| VODI |
0 |
379 |
80 |
203 |
237 |
51 |
28 |
0 |
| ODI |
0 |
196 |
69 |
160 |
221 |
69 |
26 |
0 |
| CDI |
0 |
83 |
64 |
181 |
273 |
261 |
52 |
0 |
| VCDI |
0 |
11 |
29 |
201 |
601 |
3094 |
10542 |
2722 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
73400 |
13765 |
301 |
357 |
200 |
127 |
96 |
0 |
| OW |
105 |
502 |
104 |
212 |
108 |
22 |
22 |
0 |
| VODI |
1 |
373 |
73 |
187 |
214 |
47 |
28 |
0 |
| ODI |
0 |
196 |
68 |
139 |
200 |
64 |
25 |
0 |
| CDI |
0 |
86 |
64 |
180 |
262 |
227 |
43 |
0 |
| VCDI |
0 |
20 |
31 |
217 |
627 |
3130 |
10555 |
2722 |
|
Date: 2024-01-06:
| 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 |
71411 |
14508 |
360 |
450 |
213 |
101 |
152 |
0 |
| OW |
74 |
623 |
121 |
202 |
244 |
36 |
24 |
0 |
| VODI |
0 |
327 |
73 |
205 |
307 |
141 |
35 |
0 |
| ODI |
0 |
174 |
66 |
115 |
257 |
182 |
18 |
0 |
| CDI |
0 |
80 |
61 |
158 |
294 |
382 |
102 |
0 |
| VCDI |
0 |
11 |
24 |
158 |
383 |
2961 |
10954 |
3113 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
71411 |
14650 |
374 |
494 |
294 |
116 |
148 |
0 |
| OW |
74 |
489 |
104 |
151 |
215 |
50 |
23 |
0 |
| VODI |
0 |
314 |
71 |
200 |
267 |
130 |
36 |
0 |
| ODI |
0 |
170 |
68 |
109 |
234 |
166 |
20 |
0 |
| CDI |
0 |
90 |
63 |
157 |
253 |
353 |
86 |
0 |
| VCDI |
0 |
10 |
25 |
177 |
435 |
2988 |
10972 |
3113 |
|
Date: 2024-01-08:
| 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 |
69814 |
16552 |
488 |
393 |
184 |
80 |
74 |
0 |
| OW |
74 |
359 |
129 |
242 |
163 |
43 |
2 |
0 |
| VODI |
0 |
120 |
93 |
266 |
341 |
129 |
2 |
0 |
| ODI |
0 |
9 |
44 |
165 |
373 |
286 |
7 |
0 |
| CDI |
0 |
5 |
4 |
97 |
372 |
770 |
79 |
0 |
| VCDI |
0 |
0 |
0 |
25 |
234 |
2664 |
9858 |
4560 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69828 |
15954 |
444 |
405 |
306 |
157 |
78 |
0 |
| OW |
60 |
551 |
90 |
131 |
131 |
92 |
2 |
0 |
| VODI |
0 |
357 |
100 |
197 |
195 |
159 |
8 |
0 |
| ODI |
0 |
133 |
63 |
154 |
210 |
188 |
4 |
0 |
| CDI |
0 |
44 |
46 |
151 |
323 |
353 |
48 |
0 |
| VCDI |
0 |
6 |
15 |
150 |
502 |
3023 |
9882 |
4560 |
|
Date: 2024-01-10:
| 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 |
70629 |
15517 |
368 |
494 |
229 |
80 |
73 |
0 |
| OW |
78 |
380 |
131 |
204 |
195 |
78 |
8 |
0 |
| VODI |
2 |
163 |
118 |
231 |
213 |
156 |
30 |
0 |
| ODI |
0 |
29 |
45 |
164 |
229 |
229 |
25 |
0 |
| CDI |
0 |
15 |
27 |
92 |
310 |
396 |
81 |
0 |
| VCDI |
0 |
0 |
7 |
80 |
518 |
3200 |
9596 |
4680 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70644 |
15042 |
280 |
407 |
280 |
171 |
87 |
0 |
| OW |
61 |
540 |
111 |
161 |
119 |
90 |
18 |
0 |
| VODI |
4 |
356 |
142 |
195 |
169 |
161 |
27 |
0 |
| ODI |
0 |
127 |
93 |
174 |
150 |
180 |
53 |
0 |
| CDI |
0 |
39 |
56 |
186 |
347 |
435 |
123 |
0 |
| VCDI |
0 |
0 |
14 |
142 |
629 |
3102 |
9505 |
4680 |
|
Date: 2024-01-12:
| 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 |
70717 |
15222 |
320 |
426 |
226 |
91 |
92 |
0 |
| OW |
60 |
503 |
119 |
177 |
182 |
74 |
10 |
0 |
| VODI |
0 |
203 |
130 |
208 |
215 |
155 |
30 |
0 |
| ODI |
0 |
45 |
47 |
209 |
202 |
200 |
41 |
0 |
| CDI |
0 |
17 |
19 |
145 |
277 |
464 |
88 |
0 |
| VCDI |
0 |
9 |
16 |
97 |
421 |
2815 |
12283 |
2545 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70717 |
14592 |
304 |
452 |
325 |
200 |
111 |
0 |
| OW |
60 |
705 |
82 |
129 |
155 |
91 |
32 |
0 |
| VODI |
0 |
451 |
106 |
170 |
181 |
181 |
50 |
0 |
| ODI |
0 |
166 |
80 |
175 |
135 |
207 |
55 |
0 |
| CDI |
0 |
65 |
62 |
186 |
258 |
527 |
115 |
0 |
| VCDI |
0 |
20 |
17 |
150 |
469 |
2593 |
12181 |
2545 |
|
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