Validation of sea ice concentration - European sector
Bulletin date: 2024-09-05
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-08-30:
| 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 |
88977 |
2502 |
15 |
9 |
0 |
0 |
0 |
0 |
| OW |
2910 |
548 |
131 |
97 |
2 |
0 |
0 |
0 |
| VODI |
859 |
155 |
155 |
422 |
153 |
2 |
0 |
0 |
| ODI |
0 |
0 |
5 |
106 |
1003 |
208 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
410 |
2996 |
252 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
99 |
717 |
129 |
|
...date precedes bulletin
|
Date: 2024-09-01:
| 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 |
88961 |
2396 |
15 |
4 |
0 |
0 |
0 |
0 |
| OW |
2939 |
638 |
113 |
119 |
2 |
0 |
0 |
0 |
| VODI |
830 |
160 |
145 |
386 |
180 |
10 |
0 |
0 |
| ODI |
0 |
0 |
1 |
100 |
795 |
375 |
2 |
0 |
| CDI |
0 |
0 |
0 |
0 |
291 |
3007 |
322 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
160 |
911 |
0 |
|
...date precedes bulletin
|
Date: 2024-09-03:
| 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 |
88869 |
2660 |
33 |
7 |
0 |
0 |
0 |
0 |
| OW |
3047 |
567 |
149 |
124 |
0 |
0 |
0 |
0 |
| VODI |
654 |
51 |
105 |
415 |
143 |
1 |
0 |
0 |
| ODI |
0 |
0 |
0 |
70 |
1043 |
283 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
199 |
2977 |
400 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
56 |
1009 |
0 |
|
...date precedes bulletin
|
Date: 2024-09-05:
| 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 |
88731 |
2687 |
47 |
26 |
0 |
0 |
0 |
0 |
| OW |
3009 |
416 |
125 |
279 |
16 |
0 |
0 |
0 |
| VODI |
693 |
25 |
64 |
390 |
218 |
4 |
0 |
0 |
| ODI |
0 |
0 |
2 |
45 |
790 |
362 |
2 |
0 |
| CDI |
0 |
0 |
0 |
1 |
244 |
2251 |
1008 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
100 |
1271 |
56 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
88734 |
2702 |
38 |
23 |
0 |
0 |
0 |
0 |
| OW |
3027 |
409 |
143 |
273 |
22 |
0 |
0 |
0 |
| VODI |
672 |
17 |
56 |
401 |
233 |
10 |
0 |
0 |
| ODI |
0 |
0 |
1 |
44 |
768 |
343 |
1 |
0 |
| CDI |
0 |
0 |
0 |
0 |
245 |
2258 |
754 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
106 |
1526 |
56 |
|
Date: 2024-09-07:
| 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 |
88750 |
2645 |
30 |
12 |
0 |
0 |
0 |
0 |
| OW |
2962 |
473 |
163 |
201 |
6 |
0 |
0 |
0 |
| VODI |
696 |
40 |
75 |
421 |
139 |
1 |
0 |
0 |
| ODI |
0 |
2 |
9 |
74 |
505 |
231 |
0 |
0 |
| CDI |
0 |
0 |
0 |
1 |
182 |
2822 |
602 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
457 |
1363 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
88764 |
2641 |
25 |
9 |
0 |
0 |
0 |
0 |
| OW |
2972 |
483 |
173 |
196 |
8 |
0 |
0 |
0 |
| VODI |
672 |
33 |
72 |
417 |
152 |
3 |
0 |
0 |
| ODI |
0 |
3 |
7 |
87 |
481 |
202 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
191 |
2780 |
530 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
526 |
1435 |
0 |
|
Date: 2024-09-09:
| 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 |
88441 |
2791 |
51 |
6 |
0 |
0 |
0 |
0 |
| OW |
2683 |
301 |
111 |
107 |
0 |
0 |
0 |
0 |
| VODI |
1064 |
31 |
112 |
466 |
77 |
2 |
0 |
0 |
| ODI |
0 |
6 |
7 |
136 |
649 |
121 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
176 |
3912 |
306 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
499 |
807 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
88528 |
2646 |
38 |
3 |
0 |
0 |
0 |
0 |
| OW |
2893 |
449 |
179 |
223 |
1 |
0 |
0 |
0 |
| VODI |
767 |
28 |
54 |
399 |
208 |
3 |
0 |
0 |
| ODI |
0 |
6 |
10 |
81 |
374 |
144 |
0 |
0 |
| CDI |
0 |
0 |
0 |
9 |
319 |
2805 |
163 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1582 |
950 |
0 |
|
Date: 2024-09-11:
| 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 |
88026 |
2964 |
57 |
10 |
0 |
0 |
0 |
0 |
| OW |
2548 |
274 |
128 |
160 |
7 |
0 |
0 |
0 |
| VODI |
1270 |
15 |
60 |
396 |
206 |
12 |
0 |
0 |
| ODI |
0 |
0 |
0 |
6 |
432 |
292 |
17 |
0 |
| CDI |
0 |
0 |
0 |
0 |
55 |
2782 |
911 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
131 |
2103 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
88113 |
2839 |
39 |
5 |
0 |
0 |
0 |
0 |
| OW |
2764 |
383 |
168 |
281 |
21 |
0 |
0 |
0 |
| VODI |
967 |
31 |
38 |
276 |
327 |
29 |
0 |
0 |
| ODI |
0 |
0 |
0 |
10 |
248 |
226 |
27 |
0 |
| CDI |
0 |
0 |
0 |
0 |
104 |
2107 |
297 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
855 |
2707 |
0 |
|
Date: 2024-09-13:
| 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 |
88023 |
3023 |
40 |
13 |
0 |
0 |
0 |
0 |
| OW |
2433 |
290 |
98 |
196 |
2 |
0 |
0 |
0 |
| VODI |
1464 |
19 |
39 |
256 |
255 |
40 |
0 |
0 |
| ODI |
0 |
0 |
4 |
11 |
168 |
318 |
37 |
0 |
| CDI |
0 |
0 |
0 |
0 |
33 |
842 |
688 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
1151 |
3417 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
88115 |
2660 |
37 |
38 |
0 |
0 |
0 |
0 |
| OW |
2641 |
533 |
68 |
203 |
37 |
0 |
0 |
0 |
| VODI |
1164 |
137 |
74 |
210 |
227 |
59 |
0 |
0 |
| ODI |
0 |
2 |
2 |
25 |
177 |
269 |
46 |
0 |
| CDI |
0 |
0 |
0 |
0 |
17 |
822 |
780 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
1201 |
3316 |
0 |
|
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