Validation of sea ice concentration - European sector
Bulletin date: 2023-09-07
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-09-01:
| 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 |
85199 |
2817 |
739 |
9 |
0 |
0 |
0 |
0 |
| OW |
2643 |
561 |
160 |
131 |
7 |
0 |
0 |
0 |
| VODI |
1162 |
118 |
181 |
603 |
205 |
1 |
0 |
0 |
| ODI |
0 |
25 |
27 |
278 |
1075 |
305 |
0 |
0 |
| CDI |
0 |
0 |
0 |
598 |
1770 |
3208 |
14 |
0 |
| VCDI |
0 |
0 |
138 |
254 |
71 |
456 |
107 |
0 |
|
...date precedes bulletin
|
Date: 2023-09-03:
| 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 |
85496 |
3322 |
24 |
15 |
0 |
0 |
0 |
0 |
| OW |
2737 |
663 |
122 |
110 |
12 |
0 |
0 |
0 |
| VODI |
994 |
255 |
230 |
563 |
82 |
2 |
0 |
0 |
| ODI |
0 |
38 |
58 |
438 |
876 |
145 |
1 |
0 |
| CDI |
0 |
0 |
0 |
35 |
2085 |
4018 |
90 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
434 |
17 |
0 |
|
...date precedes bulletin
|
Date: 2023-09-05:
| 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 |
86246 |
2944 |
48 |
17 |
0 |
0 |
0 |
0 |
| OW |
2777 |
562 |
185 |
204 |
13 |
0 |
0 |
0 |
| VODI |
947 |
116 |
214 |
674 |
165 |
6 |
0 |
0 |
| ODI |
0 |
4 |
12 |
330 |
1696 |
179 |
0 |
0 |
| CDI |
0 |
0 |
0 |
25 |
924 |
3767 |
36 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
750 |
21 |
0 |
|
...date precedes bulletin
|
Date: 2023-09-07:
| 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 |
86066 |
3035 |
53 |
22 |
0 |
0 |
0 |
0 |
| OW |
2724 |
602 |
180 |
170 |
6 |
0 |
0 |
0 |
| VODI |
1071 |
145 |
213 |
671 |
156 |
4 |
0 |
0 |
| ODI |
0 |
4 |
25 |
406 |
1538 |
381 |
0 |
0 |
| CDI |
0 |
0 |
2 |
5 |
919 |
3143 |
82 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1199 |
40 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
86190 |
2921 |
51 |
12 |
0 |
0 |
0 |
0 |
| OW |
2828 |
550 |
150 |
177 |
12 |
0 |
0 |
0 |
| VODI |
843 |
244 |
176 |
492 |
108 |
0 |
0 |
0 |
| ODI |
0 |
65 |
72 |
405 |
700 |
90 |
0 |
0 |
| CDI |
0 |
6 |
24 |
188 |
1799 |
3428 |
82 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1209 |
40 |
0 |
|
Date: 2023-09-09:
| 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 |
86047 |
3039 |
46 |
26 |
0 |
0 |
0 |
0 |
| OW |
2693 |
631 |
156 |
228 |
8 |
0 |
0 |
0 |
| VODI |
1106 |
162 |
173 |
614 |
195 |
15 |
0 |
0 |
| ODI |
0 |
18 |
36 |
274 |
1232 |
185 |
0 |
0 |
| CDI |
0 |
1 |
0 |
4 |
897 |
2843 |
3 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
20 |
2118 |
92 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
86116 |
2889 |
49 |
32 |
0 |
0 |
0 |
0 |
| OW |
2750 |
629 |
139 |
199 |
3 |
0 |
0 |
0 |
| VODI |
980 |
229 |
136 |
437 |
142 |
8 |
0 |
0 |
| ODI |
0 |
79 |
67 |
377 |
657 |
55 |
0 |
0 |
| CDI |
0 |
25 |
20 |
101 |
1534 |
3027 |
7 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
16 |
2071 |
88 |
0 |
|
Date: 2023-09-11:
| 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 |
85581 |
3565 |
53 |
31 |
0 |
0 |
0 |
0 |
| OW |
2879 |
626 |
193 |
162 |
0 |
0 |
0 |
0 |
| VODI |
831 |
99 |
183 |
795 |
281 |
0 |
0 |
0 |
| ODI |
0 |
0 |
5 |
256 |
1421 |
94 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
355 |
3505 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1840 |
107 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
85614 |
3206 |
62 |
37 |
0 |
0 |
0 |
0 |
| OW |
2796 |
733 |
138 |
189 |
4 |
0 |
0 |
0 |
| VODI |
881 |
242 |
153 |
459 |
183 |
0 |
0 |
0 |
| ODI |
0 |
101 |
68 |
430 |
754 |
69 |
0 |
0 |
| CDI |
0 |
8 |
13 |
129 |
1068 |
2477 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
48 |
2893 |
107 |
0 |
|
Date: 2023-09-13:
| 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 |
85445 |
3474 |
71 |
83 |
7 |
0 |
0 |
0 |
| OW |
2937 |
660 |
183 |
166 |
8 |
0 |
0 |
0 |
| VODI |
713 |
86 |
131 |
652 |
427 |
32 |
0 |
0 |
| ODI |
0 |
0 |
0 |
76 |
1315 |
322 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
288 |
3350 |
1 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
16 |
2413 |
6 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
85418 |
3213 |
74 |
93 |
3 |
0 |
0 |
0 |
| OW |
2797 |
638 |
145 |
251 |
49 |
0 |
0 |
0 |
| VODI |
880 |
236 |
97 |
357 |
240 |
31 |
0 |
0 |
| ODI |
0 |
117 |
61 |
232 |
656 |
176 |
0 |
0 |
| CDI |
0 |
16 |
8 |
44 |
1084 |
2313 |
1 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
29 |
3597 |
6 |
0 |
|
Date: 2023-09-15:
| 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 |
85120 |
3437 |
80 |
119 |
17 |
0 |
0 |
0 |
| OW |
2915 |
722 |
157 |
191 |
43 |
0 |
0 |
0 |
| VODI |
740 |
89 |
126 |
605 |
502 |
7 |
0 |
0 |
| ODI |
0 |
0 |
1 |
160 |
1259 |
370 |
2 |
0 |
| CDI |
0 |
0 |
0 |
4 |
582 |
2923 |
1 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
2549 |
140 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
85095 |
3380 |
123 |
143 |
13 |
0 |
0 |
0 |
| OW |
2771 |
488 |
147 |
324 |
126 |
0 |
0 |
0 |
| VODI |
909 |
237 |
36 |
259 |
344 |
1 |
0 |
0 |
| ODI |
0 |
90 |
36 |
174 |
494 |
105 |
0 |
0 |
| CDI |
0 |
53 |
22 |
179 |
1362 |
1512 |
3 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
65 |
4231 |
140 |
0 |
|
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