Validation of sea ice concentration - European sector
Bulletin date: 2023-11-02
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-10-27:
| 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 |
81116 |
4798 |
73 |
98 |
28 |
2 |
0 |
0 |
| OW |
1335 |
485 |
134 |
219 |
95 |
10 |
0 |
0 |
| VODI |
2800 |
78 |
55 |
268 |
56 |
31 |
1 |
0 |
| ODI |
0 |
22 |
21 |
224 |
116 |
58 |
3 |
0 |
| CDI |
0 |
14 |
13 |
93 |
274 |
692 |
239 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
86 |
1683 |
5801 |
1836 |
|
...date precedes bulletin
|
Date: 2023-10-29:
| 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 |
80622 |
4902 |
87 |
85 |
35 |
12 |
0 |
0 |
| OW |
1237 |
536 |
106 |
184 |
135 |
17 |
0 |
0 |
| VODI |
2980 |
92 |
56 |
168 |
118 |
46 |
3 |
0 |
| ODI |
0 |
24 |
37 |
203 |
104 |
83 |
11 |
0 |
| CDI |
0 |
19 |
18 |
127 |
183 |
457 |
327 |
0 |
| VCDI |
0 |
1 |
1 |
30 |
147 |
1009 |
7216 |
1444 |
|
...date precedes bulletin
|
Date: 2023-10-31:
| 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 |
79619 |
5781 |
113 |
109 |
63 |
16 |
0 |
0 |
| OW |
1182 |
414 |
101 |
165 |
88 |
44 |
0 |
0 |
| VODI |
3046 |
128 |
120 |
232 |
168 |
38 |
1 |
0 |
| ODI |
0 |
14 |
36 |
236 |
158 |
121 |
9 |
0 |
| CDI |
0 |
0 |
5 |
71 |
192 |
535 |
163 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
69 |
930 |
6797 |
2096 |
|
...date precedes bulletin
|
Date: 2023-11-02:
| 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 |
79250 |
5897 |
124 |
117 |
23 |
23 |
1 |
0 |
| OW |
1163 |
380 |
110 |
167 |
113 |
53 |
2 |
0 |
| VODI |
3082 |
87 |
77 |
208 |
173 |
60 |
2 |
0 |
| ODI |
0 |
19 |
25 |
184 |
230 |
90 |
8 |
0 |
| CDI |
0 |
4 |
10 |
77 |
212 |
327 |
127 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
60 |
736 |
6923 |
2712 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
79245 |
5901 |
122 |
119 |
34 |
30 |
1 |
0 |
| OW |
1168 |
376 |
122 |
168 |
106 |
54 |
2 |
0 |
| VODI |
3082 |
87 |
69 |
230 |
191 |
57 |
3 |
0 |
| ODI |
0 |
17 |
28 |
168 |
229 |
92 |
9 |
0 |
| CDI |
0 |
6 |
5 |
69 |
182 |
340 |
159 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
69 |
716 |
6889 |
2712 |
|
Date: 2023-11-04:
| 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 |
78880 |
5992 |
129 |
110 |
27 |
10 |
9 |
0 |
| OW |
1159 |
337 |
132 |
201 |
121 |
50 |
2 |
0 |
| VODI |
3102 |
57 |
64 |
178 |
194 |
62 |
7 |
0 |
| ODI |
0 |
6 |
14 |
70 |
264 |
100 |
16 |
0 |
| CDI |
0 |
0 |
2 |
47 |
298 |
429 |
160 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
37 |
815 |
7104 |
2672 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
78878 |
5993 |
139 |
129 |
43 |
16 |
7 |
0 |
| OW |
1160 |
328 |
125 |
189 |
120 |
52 |
4 |
0 |
| VODI |
3103 |
66 |
60 |
181 |
204 |
63 |
12 |
0 |
| ODI |
0 |
5 |
15 |
63 |
300 |
121 |
21 |
0 |
| CDI |
0 |
0 |
2 |
46 |
243 |
427 |
173 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
31 |
787 |
7081 |
2672 |
|
Date: 2023-11-06:
| 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 |
78323 |
6340 |
118 |
122 |
52 |
5 |
0 |
0 |
| OW |
1113 |
486 |
113 |
107 |
58 |
32 |
13 |
0 |
| VODI |
3270 |
67 |
85 |
199 |
168 |
52 |
0 |
0 |
| ODI |
0 |
15 |
13 |
77 |
202 |
165 |
7 |
0 |
| CDI |
0 |
3 |
9 |
58 |
137 |
716 |
148 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
33 |
1018 |
6791 |
2740 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
78339 |
6221 |
126 |
129 |
43 |
3 |
1 |
0 |
| OW |
1098 |
456 |
80 |
130 |
118 |
50 |
12 |
0 |
| VODI |
3268 |
166 |
79 |
107 |
136 |
82 |
4 |
0 |
| ODI |
1 |
50 |
35 |
106 |
161 |
145 |
4 |
0 |
| CDI |
0 |
16 |
17 |
78 |
141 |
729 |
192 |
0 |
| VCDI |
0 |
2 |
1 |
20 |
51 |
979 |
6746 |
2740 |
|
Date: 2023-11-08:
| 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 |
77405 |
6752 |
148 |
195 |
42 |
3 |
0 |
0 |
| OW |
1100 |
475 |
89 |
163 |
108 |
27 |
3 |
0 |
| VODI |
3285 |
118 |
59 |
167 |
168 |
81 |
3 |
0 |
| ODI |
0 |
22 |
23 |
89 |
184 |
166 |
1 |
0 |
| CDI |
0 |
4 |
13 |
70 |
186 |
777 |
297 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
9 |
876 |
7358 |
2396 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
77413 |
6586 |
134 |
156 |
51 |
4 |
0 |
0 |
| OW |
1090 |
480 |
92 |
196 |
130 |
50 |
6 |
0 |
| VODI |
3287 |
227 |
32 |
127 |
165 |
85 |
0 |
0 |
| ODI |
0 |
71 |
57 |
111 |
170 |
226 |
6 |
0 |
| CDI |
0 |
7 |
17 |
85 |
155 |
699 |
660 |
0 |
| VCDI |
0 |
0 |
0 |
9 |
26 |
866 |
6990 |
2396 |
|
Date: 2023-11-10:
| 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 |
76619 |
7055 |
169 |
146 |
53 |
2 |
0 |
0 |
| OW |
1116 |
509 |
110 |
236 |
113 |
51 |
8 |
0 |
| VODI |
3310 |
100 |
84 |
203 |
145 |
128 |
11 |
0 |
| ODI |
0 |
14 |
18 |
99 |
149 |
182 |
0 |
0 |
| CDI |
0 |
1 |
4 |
46 |
144 |
651 |
355 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
22 |
815 |
7678 |
2516 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
76604 |
6722 |
134 |
139 |
59 |
4 |
0 |
0 |
| OW |
1142 |
725 |
130 |
211 |
124 |
62 |
17 |
0 |
| VODI |
3299 |
178 |
74 |
208 |
128 |
145 |
3 |
0 |
| ODI |
0 |
50 |
36 |
100 |
135 |
189 |
11 |
0 |
| CDI |
0 |
4 |
11 |
69 |
155 |
589 |
603 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
25 |
840 |
7418 |
2516 |
|
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