Validation of sea ice concentration - European sector
Bulletin date: 2023-08-24
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-08-18:
| 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 |
93015 |
5578 |
283 |
251 |
12 |
0 |
0 |
0 |
| OW |
0 |
126 |
135 |
339 |
105 |
6 |
0 |
0 |
| VODI |
0 |
39 |
49 |
235 |
232 |
41 |
0 |
0 |
| ODI |
0 |
13 |
18 |
112 |
334 |
109 |
0 |
0 |
| CDI |
0 |
0 |
6 |
91 |
1343 |
2128 |
306 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
350 |
3237 |
607 |
|
...date precedes bulletin
|
Date: 2023-08-20:
| 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 |
94380 |
4318 |
262 |
240 |
27 |
0 |
0 |
0 |
| OW |
0 |
166 |
131 |
238 |
105 |
4 |
0 |
0 |
| VODI |
0 |
60 |
77 |
164 |
239 |
17 |
0 |
0 |
| ODI |
0 |
17 |
16 |
132 |
307 |
82 |
1 |
0 |
| CDI |
0 |
1 |
4 |
99 |
1204 |
2071 |
1153 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
94 |
3249 |
242 |
|
...date precedes bulletin
|
Date: 2023-08-22:
| 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 |
93911 |
4908 |
359 |
353 |
21 |
0 |
0 |
0 |
| OW |
0 |
100 |
95 |
194 |
43 |
0 |
0 |
0 |
| VODI |
0 |
35 |
57 |
279 |
271 |
4 |
0 |
0 |
| ODI |
0 |
5 |
16 |
148 |
721 |
151 |
0 |
0 |
| CDI |
0 |
0 |
0 |
45 |
646 |
1897 |
398 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
398 |
3613 |
432 |
|
...date precedes bulletin
|
Date: 2023-08-24:
| 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 |
94115 |
4677 |
364 |
425 |
67 |
0 |
0 |
0 |
| OW |
0 |
78 |
72 |
219 |
76 |
11 |
0 |
0 |
| VODI |
0 |
33 |
43 |
201 |
302 |
43 |
0 |
0 |
| ODI |
0 |
11 |
12 |
150 |
492 |
257 |
12 |
0 |
| CDI |
0 |
0 |
4 |
58 |
983 |
1769 |
574 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1207 |
2845 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
94115 |
4682 |
373 |
460 |
74 |
0 |
0 |
0 |
| OW |
0 |
67 |
60 |
193 |
93 |
11 |
0 |
0 |
| VODI |
0 |
36 |
42 |
190 |
280 |
37 |
0 |
0 |
| ODI |
0 |
13 |
16 |
152 |
452 |
221 |
9 |
0 |
| CDI |
0 |
1 |
4 |
58 |
1021 |
1815 |
637 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1203 |
2785 |
0 |
|
Date: 2023-08-26:
| 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 |
93649 |
5441 |
260 |
304 |
54 |
0 |
0 |
0 |
| OW |
0 |
90 |
84 |
238 |
71 |
5 |
0 |
0 |
| VODI |
0 |
49 |
43 |
269 |
240 |
7 |
0 |
0 |
| ODI |
0 |
12 |
25 |
164 |
542 |
192 |
3 |
0 |
| CDI |
0 |
1 |
2 |
70 |
938 |
2263 |
509 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
2053 |
1521 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
93649 |
5452 |
267 |
318 |
57 |
0 |
0 |
0 |
| OW |
0 |
75 |
78 |
247 |
74 |
5 |
0 |
0 |
| VODI |
0 |
47 |
37 |
244 |
227 |
7 |
0 |
0 |
| ODI |
0 |
18 |
28 |
158 |
443 |
131 |
4 |
0 |
| CDI |
0 |
1 |
4 |
78 |
1043 |
2308 |
520 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
2069 |
1509 |
0 |
|
Date: 2023-08-28:
| 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 |
94638 |
4395 |
319 |
265 |
30 |
0 |
0 |
0 |
| OW |
0 |
73 |
81 |
182 |
37 |
0 |
0 |
0 |
| VODI |
0 |
58 |
53 |
391 |
197 |
0 |
0 |
0 |
| ODI |
0 |
7 |
17 |
177 |
1086 |
270 |
0 |
0 |
| CDI |
0 |
0 |
4 |
33 |
1015 |
3544 |
111 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
7 |
900 |
1210 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
94638 |
4379 |
342 |
321 |
47 |
0 |
0 |
0 |
| OW |
0 |
77 |
58 |
282 |
71 |
0 |
0 |
0 |
| VODI |
0 |
39 |
30 |
224 |
222 |
9 |
0 |
0 |
| ODI |
0 |
33 |
32 |
140 |
397 |
163 |
0 |
0 |
| CDI |
0 |
5 |
12 |
81 |
1151 |
2419 |
241 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
484 |
2123 |
1080 |
0 |
|
Date: 2023-08-30:
| 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 |
94473 |
4628 |
334 |
259 |
57 |
0 |
0 |
0 |
| OW |
0 |
76 |
95 |
222 |
47 |
0 |
0 |
0 |
| VODI |
0 |
44 |
57 |
392 |
175 |
2 |
0 |
0 |
| ODI |
0 |
4 |
16 |
195 |
951 |
252 |
2 |
0 |
| CDI |
0 |
0 |
4 |
51 |
1237 |
2963 |
240 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
77 |
1976 |
271 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
94473 |
4576 |
334 |
338 |
83 |
0 |
0 |
0 |
| OW |
0 |
96 |
92 |
244 |
65 |
1 |
0 |
0 |
| VODI |
0 |
39 |
28 |
266 |
159 |
9 |
0 |
0 |
| ODI |
0 |
37 |
33 |
118 |
346 |
136 |
1 |
0 |
| CDI |
0 |
4 |
19 |
153 |
1267 |
2156 |
231 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
624 |
2891 |
281 |
0 |
|
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 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
91391 |
7152 |
932 |
300 |
129 |
0 |
0 |
0 |
| OW |
0 |
108 |
73 |
215 |
75 |
1 |
0 |
0 |
| VODI |
0 |
42 |
30 |
196 |
198 |
33 |
0 |
0 |
| ODI |
0 |
42 |
34 |
115 |
276 |
205 |
0 |
0 |
| CDI |
0 |
28 |
38 |
216 |
1253 |
2137 |
21 |
0 |
| VCDI |
0 |
0 |
138 |
831 |
1197 |
1594 |
100 |
0 |
|
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