Validation of sea ice concentration - European sector
Bulletin date: 2023-08-17
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-08-11:
| 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 |
92234 |
6224 |
212 |
129 |
8 |
0 |
0 |
0 |
| OW |
0 |
107 |
112 |
279 |
58 |
0 |
0 |
0 |
| VODI |
0 |
38 |
104 |
512 |
261 |
21 |
0 |
0 |
| ODI |
0 |
1 |
18 |
194 |
321 |
139 |
0 |
0 |
| CDI |
0 |
1 |
4 |
46 |
1077 |
3327 |
351 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
953 |
2369 |
0 |
|
...date precedes bulletin
|
Date: 2023-08-13:
| 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 |
93683 |
4809 |
207 |
140 |
9 |
0 |
0 |
0 |
| OW |
0 |
137 |
131 |
357 |
68 |
0 |
0 |
0 |
| VODI |
0 |
51 |
96 |
375 |
267 |
21 |
0 |
0 |
| ODI |
0 |
8 |
34 |
159 |
323 |
160 |
0 |
0 |
| CDI |
0 |
1 |
2 |
65 |
837 |
2835 |
746 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
11 |
1024 |
2543 |
0 |
|
...date precedes bulletin
|
Date: 2023-08-15:
| 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 |
92604 |
5986 |
274 |
150 |
6 |
0 |
0 |
0 |
| OW |
0 |
93 |
193 |
380 |
36 |
0 |
0 |
0 |
| VODI |
0 |
52 |
81 |
287 |
237 |
24 |
0 |
0 |
| ODI |
0 |
3 |
18 |
157 |
340 |
170 |
0 |
0 |
| CDI |
0 |
1 |
6 |
37 |
567 |
2442 |
597 |
0 |
| VCDI |
0 |
1 |
2 |
6 |
15 |
466 |
3090 |
779 |
|
...date precedes bulletin
|
Date: 2023-08-17:
| 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 |
94262 |
4384 |
224 |
238 |
21 |
0 |
0 |
0 |
| OW |
0 |
194 |
188 |
276 |
78 |
2 |
0 |
0 |
| VODI |
0 |
63 |
82 |
195 |
230 |
26 |
0 |
0 |
| ODI |
0 |
16 |
23 |
116 |
332 |
103 |
0 |
0 |
| CDI |
0 |
1 |
7 |
107 |
1457 |
1871 |
319 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
17 |
546 |
3392 |
325 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
94262 |
4379 |
221 |
216 |
26 |
0 |
0 |
0 |
| OW |
0 |
196 |
189 |
299 |
84 |
4 |
0 |
0 |
| VODI |
0 |
65 |
80 |
188 |
215 |
25 |
0 |
0 |
| ODI |
0 |
17 |
25 |
112 |
315 |
77 |
0 |
0 |
| CDI |
0 |
1 |
9 |
120 |
1488 |
1850 |
342 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
7 |
592 |
3369 |
325 |
|
Date: 2023-08-19:
| 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 |
91177 |
7126 |
333 |
403 |
105 |
0 |
0 |
0 |
| OW |
0 |
160 |
153 |
280 |
96 |
10 |
0 |
0 |
| VODI |
0 |
53 |
58 |
180 |
227 |
53 |
0 |
0 |
| ODI |
0 |
17 |
18 |
139 |
317 |
89 |
0 |
0 |
| CDI |
0 |
0 |
6 |
90 |
1243 |
2138 |
596 |
16 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
211 |
3455 |
351 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
91177 |
7090 |
309 |
454 |
120 |
0 |
0 |
0 |
| OW |
0 |
185 |
168 |
228 |
98 |
17 |
0 |
0 |
| VODI |
0 |
69 |
68 |
164 |
206 |
43 |
0 |
0 |
| ODI |
0 |
12 |
17 |
148 |
299 |
82 |
0 |
0 |
| CDI |
0 |
0 |
6 |
98 |
1265 |
2072 |
656 |
16 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
287 |
3395 |
351 |
|
Date: 2023-08-21:
| 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 |
94362 |
4314 |
242 |
279 |
32 |
0 |
0 |
0 |
| OW |
0 |
264 |
124 |
203 |
117 |
0 |
0 |
0 |
| VODI |
0 |
76 |
75 |
159 |
216 |
11 |
0 |
0 |
| ODI |
0 |
26 |
25 |
156 |
280 |
46 |
1 |
0 |
| CDI |
0 |
0 |
10 |
108 |
1164 |
2330 |
1293 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
120 |
2858 |
209 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
94362 |
4356 |
264 |
316 |
34 |
0 |
0 |
0 |
| OW |
0 |
217 |
102 |
168 |
111 |
0 |
0 |
0 |
| VODI |
0 |
81 |
75 |
150 |
213 |
9 |
0 |
0 |
| ODI |
0 |
25 |
26 |
159 |
275 |
58 |
0 |
0 |
| CDI |
0 |
1 |
9 |
112 |
1176 |
2291 |
1314 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
149 |
2838 |
209 |
|
Date: 2023-08-23:
| 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 |
94190 |
4460 |
293 |
380 |
54 |
0 |
0 |
0 |
| OW |
0 |
227 |
119 |
208 |
129 |
0 |
0 |
0 |
| VODI |
0 |
65 |
74 |
185 |
177 |
9 |
0 |
0 |
| ODI |
0 |
34 |
25 |
147 |
263 |
41 |
1 |
0 |
| CDI |
0 |
5 |
16 |
145 |
1046 |
2903 |
1675 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
101 |
2109 |
19 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
94190 |
4524 |
316 |
403 |
54 |
0 |
0 |
0 |
| OW |
0 |
167 |
99 |
180 |
113 |
0 |
0 |
0 |
| VODI |
0 |
72 |
70 |
182 |
189 |
7 |
0 |
0 |
| ODI |
0 |
27 |
35 |
178 |
272 |
84 |
4 |
0 |
| CDI |
0 |
1 |
7 |
122 |
1041 |
2848 |
2303 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
115 |
1478 |
19 |
|
Date: 2023-08-25:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
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