Validation of sea ice concentration - European sector
Bulletin date: 2023-09-28
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-09-22:
| 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 |
84060 |
4093 |
115 |
131 |
16 |
0 |
0 |
0 |
| OW |
2560 |
458 |
152 |
270 |
51 |
3 |
0 |
0 |
| VODI |
1208 |
54 |
75 |
338 |
258 |
35 |
0 |
0 |
| ODI |
0 |
3 |
8 |
154 |
410 |
52 |
10 |
0 |
| CDI |
0 |
0 |
0 |
82 |
460 |
1515 |
101 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
4 |
3836 |
2350 |
0 |
|
...date precedes bulletin
|
Date: 2023-09-24:
| 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 |
84269 |
3753 |
85 |
143 |
25 |
0 |
0 |
0 |
| OW |
2407 |
472 |
112 |
208 |
151 |
5 |
0 |
0 |
| VODI |
1437 |
89 |
77 |
237 |
275 |
53 |
0 |
0 |
| ODI |
0 |
8 |
6 |
89 |
271 |
198 |
6 |
0 |
| CDI |
0 |
0 |
1 |
37 |
337 |
1026 |
316 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
4037 |
2730 |
0 |
|
...date precedes bulletin
|
Date: 2023-09-26:
| 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 |
84075 |
3806 |
87 |
107 |
20 |
0 |
0 |
0 |
| OW |
2232 |
402 |
124 |
125 |
18 |
0 |
0 |
0 |
| VODI |
1648 |
93 |
130 |
370 |
154 |
12 |
0 |
0 |
| ODI |
0 |
4 |
12 |
214 |
480 |
93 |
0 |
0 |
| CDI |
0 |
0 |
0 |
5 |
162 |
820 |
43 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
4131 |
3494 |
0 |
|
...date precedes bulletin
|
Date: 2023-09-28:
| 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 |
84155 |
3730 |
83 |
97 |
17 |
0 |
0 |
0 |
| OW |
2311 |
363 |
91 |
183 |
34 |
2 |
0 |
0 |
| VODI |
1459 |
109 |
103 |
292 |
170 |
25 |
0 |
0 |
| ODI |
0 |
1 |
13 |
146 |
446 |
124 |
0 |
0 |
| CDI |
0 |
0 |
0 |
15 |
224 |
617 |
133 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
15 |
2422 |
5482 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
84160 |
3748 |
77 |
93 |
17 |
0 |
0 |
0 |
| OW |
2320 |
366 |
105 |
183 |
32 |
0 |
0 |
0 |
| VODI |
1445 |
88 |
95 |
328 |
217 |
30 |
0 |
0 |
| ODI |
0 |
1 |
13 |
121 |
417 |
122 |
0 |
0 |
| CDI |
0 |
0 |
0 |
8 |
205 |
622 |
149 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
18 |
2416 |
5466 |
0 |
|
Date: 2023-09-30:
| 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 |
84401 |
3464 |
64 |
113 |
11 |
0 |
0 |
0 |
| OW |
2264 |
402 |
57 |
173 |
52 |
7 |
0 |
0 |
| VODI |
1518 |
144 |
72 |
217 |
164 |
31 |
0 |
0 |
| ODI |
0 |
35 |
24 |
84 |
234 |
108 |
0 |
0 |
| CDI |
0 |
0 |
14 |
53 |
231 |
484 |
72 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
28 |
1810 |
6502 |
28 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
84407 |
3491 |
68 |
102 |
9 |
0 |
0 |
0 |
| OW |
2279 |
411 |
66 |
199 |
59 |
4 |
0 |
0 |
| VODI |
1497 |
119 |
70 |
226 |
182 |
47 |
0 |
0 |
| ODI |
0 |
24 |
19 |
68 |
241 |
121 |
0 |
0 |
| CDI |
0 |
0 |
8 |
46 |
206 |
479 |
64 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
23 |
1789 |
6510 |
28 |
|
Date: 2023-10-02:
| 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 |
83231 |
4348 |
109 |
145 |
81 |
8 |
0 |
0 |
| OW |
2126 |
382 |
46 |
87 |
30 |
22 |
0 |
0 |
| VODI |
1684 |
119 |
95 |
121 |
79 |
27 |
2 |
0 |
| ODI |
0 |
20 |
22 |
122 |
77 |
32 |
4 |
0 |
| CDI |
0 |
3 |
13 |
73 |
177 |
281 |
13 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
18 |
2832 |
6378 |
55 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
83246 |
4231 |
121 |
154 |
92 |
17 |
0 |
0 |
| OW |
2200 |
366 |
34 |
99 |
68 |
68 |
9 |
0 |
| VODI |
1595 |
167 |
63 |
94 |
98 |
228 |
2 |
0 |
| ODI |
0 |
50 |
41 |
92 |
34 |
180 |
32 |
0 |
| CDI |
0 |
54 |
20 |
84 |
116 |
360 |
115 |
0 |
| VCDI |
0 |
4 |
6 |
25 |
54 |
2349 |
6239 |
55 |
|
Date: 2023-10-04:
| 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 |
83506 |
3905 |
79 |
104 |
45 |
14 |
0 |
0 |
| OW |
2080 |
391 |
63 |
92 |
32 |
14 |
1 |
0 |
| VODI |
1744 |
222 |
61 |
86 |
67 |
13 |
5 |
0 |
| ODI |
0 |
44 |
51 |
85 |
85 |
22 |
5 |
0 |
| CDI |
0 |
15 |
25 |
130 |
232 |
238 |
1 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
54 |
3189 |
6162 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
83521 |
3822 |
92 |
123 |
62 |
24 |
2 |
0 |
| OW |
2133 |
391 |
50 |
92 |
57 |
41 |
11 |
0 |
| VODI |
1676 |
232 |
53 |
82 |
101 |
78 |
3 |
0 |
| ODI |
0 |
87 |
55 |
68 |
51 |
222 |
0 |
0 |
| CDI |
0 |
45 |
29 |
125 |
185 |
360 |
64 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
59 |
2765 |
6094 |
0 |
|
Date: 2023-10-06:
| 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 |
83501 |
3536 |
87 |
122 |
68 |
45 |
0 |
0 |
| OW |
1966 |
391 |
57 |
115 |
79 |
40 |
1 |
0 |
| VODI |
1909 |
257 |
43 |
46 |
87 |
45 |
4 |
0 |
| ODI |
0 |
99 |
41 |
61 |
40 |
63 |
6 |
0 |
| CDI |
0 |
46 |
48 |
164 |
225 |
262 |
18 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
42 |
2198 |
6840 |
310 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
83553 |
3454 |
86 |
129 |
77 |
71 |
0 |
0 |
| OW |
2084 |
462 |
63 |
88 |
91 |
55 |
15 |
0 |
| VODI |
1739 |
224 |
43 |
91 |
105 |
70 |
4 |
0 |
| ODI |
0 |
131 |
39 |
58 |
55 |
135 |
5 |
0 |
| CDI |
0 |
58 |
45 |
140 |
166 |
537 |
59 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
47 |
1785 |
6786 |
310 |
|
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