Validation of sea ice concentration - European sector
Bulletin date: 2024-12-19
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-12-13:
| 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 |
71855 |
8651 |
138 |
15 |
1 |
0 |
0 |
0 |
| OW |
863 |
1055 |
184 |
229 |
91 |
4 |
1 |
0 |
| VODI |
2281 |
258 |
118 |
266 |
284 |
170 |
23 |
0 |
| ODI |
1304 |
71 |
55 |
137 |
208 |
314 |
73 |
0 |
| CDI |
0 |
34 |
37 |
127 |
310 |
937 |
498 |
0 |
| VCDI |
0 |
0 |
2 |
49 |
142 |
1292 |
8289 |
2496 |
|
...date precedes bulletin
|
Date: 2024-12-15:
| 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 |
70492 |
9506 |
55 |
26 |
1 |
0 |
0 |
0 |
| OW |
853 |
1120 |
231 |
242 |
97 |
9 |
1 |
0 |
| VODI |
2234 |
328 |
138 |
293 |
310 |
193 |
38 |
0 |
| ODI |
1361 |
102 |
54 |
134 |
215 |
290 |
119 |
0 |
| CDI |
0 |
56 |
54 |
192 |
341 |
1136 |
623 |
0 |
| VCDI |
0 |
0 |
0 |
10 |
97 |
1415 |
7868 |
2628 |
|
...date precedes bulletin
|
Date: 2024-12-17:
| 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 |
69627 |
10276 |
68 |
32 |
8 |
4 |
0 |
0 |
| OW |
840 |
941 |
236 |
319 |
67 |
18 |
0 |
0 |
| VODI |
2179 |
219 |
149 |
405 |
358 |
80 |
12 |
0 |
| ODI |
1424 |
59 |
25 |
129 |
346 |
321 |
15 |
0 |
| CDI |
0 |
28 |
30 |
61 |
275 |
1109 |
593 |
0 |
| VCDI |
0 |
1 |
8 |
32 |
85 |
1025 |
8912 |
2546 |
|
...date precedes bulletin
|
Date: 2024-12-19:
| 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 |
68646 |
10184 |
110 |
48 |
8 |
8 |
0 |
0 |
| OW |
832 |
741 |
247 |
462 |
104 |
23 |
0 |
0 |
| VODI |
2119 |
173 |
120 |
454 |
401 |
150 |
5 |
0 |
| ODI |
1494 |
55 |
32 |
174 |
420 |
386 |
36 |
0 |
| CDI |
0 |
37 |
27 |
101 |
368 |
1572 |
1337 |
0 |
| VCDI |
0 |
3 |
1 |
22 |
107 |
592 |
7982 |
3281 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68647 |
10407 |
170 |
115 |
8 |
7 |
0 |
0 |
| OW |
837 |
541 |
217 |
518 |
149 |
33 |
0 |
0 |
| VODI |
2144 |
158 |
95 |
363 |
477 |
180 |
7 |
0 |
| ODI |
1463 |
53 |
31 |
151 |
384 |
472 |
89 |
0 |
| CDI |
0 |
34 |
24 |
99 |
316 |
1444 |
1428 |
0 |
| VCDI |
0 |
0 |
0 |
15 |
74 |
595 |
7836 |
3281 |
|
Date: 2024-12-21:
| 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 |
67990 |
10137 |
135 |
54 |
19 |
0 |
0 |
0 |
| OW |
827 |
736 |
290 |
407 |
116 |
25 |
0 |
0 |
| VODI |
2071 |
275 |
132 |
411 |
454 |
144 |
18 |
0 |
| ODI |
1559 |
97 |
60 |
162 |
434 |
414 |
55 |
0 |
| CDI |
0 |
43 |
36 |
121 |
394 |
1621 |
1061 |
0 |
| VCDI |
0 |
1 |
8 |
22 |
71 |
895 |
8197 |
3370 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67992 |
10386 |
219 |
136 |
26 |
0 |
0 |
0 |
| OW |
834 |
534 |
241 |
446 |
194 |
43 |
0 |
0 |
| VODI |
2093 |
237 |
99 |
325 |
498 |
213 |
24 |
0 |
| ODI |
1528 |
104 |
63 |
131 |
346 |
559 |
111 |
0 |
| CDI |
0 |
28 |
34 |
118 |
350 |
1419 |
1316 |
0 |
| VCDI |
0 |
0 |
5 |
21 |
74 |
865 |
7880 |
3370 |
|
Date: 2024-12-23:
| 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 |
68054 |
9936 |
88 |
40 |
2 |
0 |
0 |
0 |
| OW |
825 |
1000 |
265 |
264 |
58 |
4 |
0 |
0 |
| VODI |
2022 |
164 |
163 |
566 |
452 |
77 |
0 |
0 |
| ODI |
1618 |
45 |
16 |
120 |
618 |
331 |
17 |
0 |
| CDI |
0 |
42 |
20 |
58 |
246 |
1412 |
478 |
0 |
| VCDI |
0 |
23 |
9 |
43 |
56 |
1029 |
9706 |
2995 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68052 |
9919 |
168 |
92 |
19 |
0 |
0 |
0 |
| OW |
831 |
711 |
209 |
378 |
109 |
39 |
0 |
0 |
| VODI |
2045 |
296 |
96 |
358 |
481 |
194 |
35 |
0 |
| ODI |
1591 |
149 |
39 |
103 |
409 |
497 |
91 |
0 |
| CDI |
0 |
102 |
37 |
110 |
338 |
1179 |
1397 |
0 |
| VCDI |
0 |
33 |
12 |
50 |
76 |
944 |
8678 |
2995 |
|
Date: 2024-12-25:
| 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 |
69088 |
9005 |
67 |
35 |
14 |
0 |
0 |
0 |
| OW |
885 |
1059 |
181 |
167 |
81 |
17 |
0 |
0 |
| VODI |
2007 |
380 |
145 |
415 |
279 |
102 |
21 |
0 |
| ODI |
1647 |
129 |
44 |
167 |
353 |
173 |
72 |
0 |
| CDI |
0 |
149 |
62 |
171 |
376 |
631 |
721 |
0 |
| VCDI |
0 |
72 |
33 |
119 |
265 |
1360 |
9636 |
2734 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69084 |
8928 |
107 |
93 |
43 |
4 |
0 |
0 |
| OW |
890 |
942 |
164 |
255 |
124 |
33 |
9 |
0 |
| VODI |
2032 |
428 |
106 |
283 |
348 |
160 |
95 |
0 |
| ODI |
1621 |
227 |
57 |
149 |
284 |
261 |
239 |
0 |
| CDI |
0 |
180 |
57 |
172 |
417 |
749 |
933 |
0 |
| VCDI |
0 |
89 |
41 |
122 |
152 |
1076 |
9174 |
2734 |
|
Date: 2024-12-27:
| 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 |
68204 |
9587 |
64 |
64 |
29 |
0 |
0 |
0 |
| OW |
942 |
1107 |
108 |
161 |
70 |
20 |
0 |
0 |
| VODI |
1982 |
528 |
154 |
347 |
228 |
143 |
5 |
0 |
| ODI |
1666 |
214 |
60 |
158 |
263 |
283 |
40 |
0 |
| CDI |
0 |
213 |
109 |
266 |
397 |
771 |
521 |
0 |
| VCDI |
0 |
71 |
27 |
111 |
437 |
1251 |
8954 |
3307 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68233 |
9779 |
116 |
136 |
68 |
34 |
0 |
0 |
| OW |
917 |
925 |
116 |
243 |
157 |
93 |
4 |
0 |
| VODI |
2018 |
479 |
99 |
242 |
231 |
225 |
60 |
0 |
| ODI |
1626 |
261 |
68 |
162 |
225 |
312 |
192 |
0 |
| CDI |
0 |
208 |
92 |
223 |
479 |
688 |
521 |
0 |
| VCDI |
0 |
68 |
31 |
101 |
264 |
1116 |
8743 |
3307 |
|
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