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 |
91391 |
7195 |
912 |
191 |
77 |
0 |
0 |
0 |
| OW |
0 |
108 |
110 |
225 |
63 |
0 |
0 |
0 |
| VODI |
0 |
43 |
46 |
345 |
208 |
5 |
0 |
0 |
| ODI |
0 |
25 |
30 |
208 |
840 |
238 |
0 |
0 |
| CDI |
0 |
1 |
9 |
117 |
1604 |
3032 |
21 |
0 |
| VCDI |
0 |
0 |
138 |
787 |
336 |
695 |
100 |
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 |
95092 |
4374 |
206 |
284 |
23 |
0 |
0 |
0 |
| OW |
0 |
152 |
101 |
243 |
25 |
0 |
0 |
0 |
| VODI |
0 |
78 |
52 |
273 |
208 |
0 |
0 |
0 |
| ODI |
0 |
47 |
68 |
275 |
696 |
84 |
3 |
0 |
| CDI |
0 |
0 |
7 |
86 |
1904 |
2786 |
86 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
199 |
1729 |
19 |
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 |
95385 |
4304 |
236 |
271 |
49 |
0 |
0 |
0 |
| OW |
0 |
88 |
109 |
222 |
19 |
0 |
0 |
0 |
| VODI |
0 |
49 |
86 |
406 |
165 |
4 |
0 |
0 |
| ODI |
0 |
8 |
28 |
316 |
1135 |
129 |
0 |
0 |
| CDI |
0 |
0 |
0 |
35 |
1429 |
3451 |
36 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
1118 |
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 |
95591 |
4122 |
236 |
265 |
15 |
0 |
0 |
0 |
| OW |
0 |
114 |
118 |
221 |
11 |
0 |
0 |
0 |
| VODI |
0 |
44 |
81 |
349 |
156 |
1 |
0 |
0 |
| ODI |
0 |
12 |
38 |
432 |
1055 |
97 |
0 |
0 |
| CDI |
0 |
2 |
0 |
7 |
1300 |
2650 |
82 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
82 |
1979 |
40 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
95591 |
4136 |
262 |
302 |
19 |
0 |
0 |
0 |
| OW |
0 |
91 |
87 |
188 |
21 |
0 |
0 |
0 |
| VODI |
0 |
50 |
77 |
333 |
144 |
0 |
0 |
0 |
| ODI |
0 |
13 |
45 |
427 |
1026 |
137 |
0 |
0 |
| CDI |
0 |
4 |
2 |
24 |
1249 |
2605 |
82 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
160 |
1985 |
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 |
95686 |
4020 |
180 |
265 |
4 |
0 |
0 |
0 |
| OW |
0 |
152 |
118 |
224 |
7 |
0 |
0 |
0 |
| VODI |
0 |
66 |
62 |
303 |
135 |
6 |
0 |
0 |
| ODI |
0 |
11 |
46 |
318 |
1100 |
137 |
0 |
0 |
| CDI |
0 |
0 |
5 |
36 |
984 |
2525 |
23 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
122 |
2493 |
72 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
95686 |
4045 |
218 |
316 |
6 |
0 |
0 |
0 |
| OW |
0 |
115 |
82 |
192 |
23 |
0 |
0 |
0 |
| VODI |
0 |
73 |
56 |
268 |
117 |
10 |
0 |
0 |
| ODI |
0 |
16 |
50 |
338 |
1089 |
155 |
0 |
0 |
| CDI |
0 |
0 |
5 |
32 |
995 |
2307 |
21 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
122 |
2689 |
74 |
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 |
95121 |
4554 |
235 |
269 |
18 |
0 |
0 |
0 |
| OW |
0 |
110 |
103 |
224 |
9 |
0 |
0 |
0 |
| VODI |
0 |
33 |
91 |
483 |
233 |
0 |
0 |
0 |
| ODI |
0 |
1 |
5 |
268 |
1286 |
90 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
511 |
3812 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1537 |
107 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
95121 |
4420 |
222 |
306 |
27 |
0 |
0 |
0 |
| OW |
0 |
135 |
81 |
179 |
39 |
0 |
0 |
0 |
| VODI |
0 |
107 |
73 |
240 |
102 |
3 |
0 |
0 |
| ODI |
0 |
36 |
56 |
439 |
842 |
80 |
0 |
0 |
| CDI |
0 |
0 |
2 |
80 |
878 |
1328 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
169 |
4028 |
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 |
94809 |
4582 |
239 |
373 |
42 |
0 |
0 |
0 |
| OW |
0 |
123 |
87 |
188 |
63 |
0 |
0 |
0 |
| VODI |
0 |
39 |
52 |
273 |
226 |
36 |
0 |
0 |
| ODI |
0 |
0 |
7 |
143 |
1246 |
230 |
1 |
0 |
| CDI |
0 |
0 |
0 |
0 |
484 |
3082 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2769 |
6 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
94809 |
4466 |
235 |
391 |
41 |
0 |
0 |
0 |
| OW |
0 |
125 |
60 |
157 |
68 |
1 |
0 |
0 |
| VODI |
0 |
110 |
47 |
182 |
164 |
14 |
0 |
0 |
| ODI |
0 |
43 |
43 |
217 |
667 |
159 |
1 |
0 |
| CDI |
0 |
0 |
0 |
30 |
947 |
1158 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
174 |
4785 |
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 |
94556 |
4551 |
236 |
383 |
128 |
0 |
0 |
0 |
| OW |
0 |
126 |
77 |
177 |
96 |
0 |
0 |
0 |
| VODI |
0 |
28 |
46 |
256 |
265 |
0 |
0 |
0 |
| ODI |
0 |
0 |
5 |
235 |
1126 |
152 |
3 |
0 |
| CDI |
0 |
0 |
0 |
28 |
788 |
2305 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
3392 |
140 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
94556 |
4408 |
250 |
471 |
154 |
3 |
0 |
0 |
| OW |
0 |
141 |
36 |
128 |
110 |
5 |
0 |
0 |
| VODI |
0 |
108 |
34 |
132 |
211 |
11 |
0 |
0 |
| ODI |
0 |
47 |
37 |
202 |
485 |
30 |
3 |
0 |
| CDI |
0 |
1 |
7 |
146 |
1071 |
1020 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
373 |
4780 |
140 |
0 |
|
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