Validation of sea ice concentration - European sector
Bulletin date: 2023-09-14
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-09-08:
| 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 |
95527 |
4175 |
241 |
270 |
0 |
0 |
0 |
0 |
| OW |
0 |
123 |
111 |
240 |
12 |
0 |
0 |
0 |
| VODI |
0 |
46 |
64 |
319 |
161 |
5 |
0 |
0 |
| ODI |
0 |
8 |
46 |
408 |
1050 |
123 |
0 |
0 |
| CDI |
0 |
0 |
1 |
17 |
798 |
2937 |
32 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
48 |
2263 |
75 |
0 |
|
...date precedes bulletin
|
Date: 2023-09-10:
| 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 |
95407 |
4207 |
180 |
251 |
11 |
0 |
0 |
0 |
| OW |
0 |
157 |
116 |
225 |
10 |
0 |
0 |
0 |
| VODI |
0 |
68 |
81 |
281 |
124 |
12 |
0 |
0 |
| ODI |
0 |
10 |
40 |
442 |
955 |
135 |
0 |
0 |
| CDI |
0 |
0 |
4 |
60 |
771 |
2159 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
139 |
3163 |
92 |
0 |
|
...date precedes bulletin
|
Date: 2023-09-12:
| 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 |
95063 |
4491 |
235 |
372 |
13 |
0 |
0 |
0 |
| OW |
0 |
93 |
107 |
202 |
36 |
0 |
0 |
0 |
| VODI |
0 |
38 |
71 |
351 |
225 |
1 |
0 |
0 |
| ODI |
0 |
3 |
10 |
282 |
1196 |
150 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
520 |
3194 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2435 |
12 |
0 |
|
...date precedes bulletin
|
Date: 2023-09-14:
| 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 |
94707 |
4432 |
197 |
379 |
210 |
0 |
0 |
0 |
| OW |
0 |
124 |
72 |
143 |
125 |
12 |
0 |
0 |
| VODI |
0 |
35 |
44 |
235 |
262 |
30 |
0 |
0 |
| ODI |
0 |
3 |
7 |
180 |
1221 |
164 |
1 |
0 |
| CDI |
0 |
0 |
0 |
8 |
734 |
2601 |
6 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
7 |
3127 |
34 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
94707 |
4490 |
215 |
401 |
258 |
11 |
0 |
0 |
| OW |
0 |
70 |
59 |
124 |
125 |
8 |
0 |
0 |
| VODI |
0 |
30 |
38 |
208 |
255 |
29 |
0 |
0 |
| ODI |
0 |
4 |
8 |
202 |
1133 |
138 |
1 |
0 |
| CDI |
0 |
0 |
0 |
10 |
781 |
2765 |
6 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
7 |
2983 |
34 |
0 |
|
Date: 2023-09-16:
| 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 |
94474 |
4632 |
192 |
354 |
165 |
0 |
0 |
0 |
| OW |
0 |
101 |
95 |
169 |
101 |
0 |
0 |
0 |
| VODI |
0 |
38 |
35 |
267 |
232 |
0 |
0 |
0 |
| ODI |
0 |
3 |
12 |
237 |
917 |
282 |
3 |
0 |
| CDI |
0 |
0 |
0 |
42 |
411 |
2502 |
5 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
3400 |
431 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
94474 |
4695 |
215 |
388 |
220 |
0 |
0 |
0 |
| OW |
0 |
44 |
76 |
152 |
92 |
0 |
0 |
0 |
| VODI |
0 |
32 |
30 |
243 |
191 |
0 |
0 |
0 |
| ODI |
0 |
3 |
13 |
234 |
835 |
256 |
4 |
0 |
| CDI |
0 |
0 |
0 |
52 |
488 |
2599 |
6 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
3329 |
429 |
0 |
|
Date: 2023-09-18:
| 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 |
94483 |
4473 |
218 |
344 |
137 |
0 |
0 |
0 |
| OW |
0 |
90 |
81 |
100 |
72 |
4 |
0 |
0 |
| VODI |
0 |
34 |
61 |
245 |
166 |
7 |
0 |
0 |
| ODI |
0 |
2 |
8 |
171 |
596 |
133 |
1 |
0 |
| CDI |
0 |
0 |
0 |
3 |
276 |
3860 |
38 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2584 |
913 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
94483 |
4496 |
246 |
409 |
260 |
7 |
0 |
0 |
| OW |
0 |
70 |
68 |
102 |
94 |
1 |
0 |
0 |
| VODI |
0 |
28 |
43 |
199 |
187 |
17 |
0 |
0 |
| ODI |
0 |
5 |
11 |
134 |
419 |
465 |
11 |
0 |
| CDI |
0 |
0 |
0 |
19 |
287 |
2697 |
36 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
3401 |
905 |
0 |
|
Date: 2023-09-20:
| 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 |
94403 |
4464 |
225 |
294 |
119 |
1 |
0 |
0 |
| OW |
0 |
101 |
70 |
128 |
81 |
2 |
0 |
0 |
| VODI |
0 |
37 |
62 |
236 |
144 |
11 |
0 |
0 |
| ODI |
0 |
5 |
11 |
172 |
439 |
108 |
0 |
0 |
| CDI |
0 |
0 |
0 |
45 |
415 |
2832 |
204 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
3621 |
870 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
94403 |
4495 |
257 |
397 |
197 |
1 |
0 |
0 |
| OW |
0 |
79 |
50 |
123 |
95 |
2 |
0 |
0 |
| VODI |
0 |
30 |
50 |
174 |
187 |
15 |
0 |
0 |
| ODI |
0 |
3 |
11 |
137 |
388 |
301 |
11 |
0 |
| CDI |
0 |
0 |
0 |
44 |
331 |
2319 |
308 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
3937 |
755 |
0 |
|
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 |
93822 |
4757 |
249 |
372 |
169 |
6 |
0 |
0 |
| OW |
0 |
65 |
62 |
163 |
86 |
7 |
0 |
0 |
| VODI |
0 |
28 |
30 |
207 |
189 |
22 |
0 |
0 |
| ODI |
0 |
2 |
9 |
173 |
395 |
109 |
8 |
0 |
| CDI |
0 |
0 |
0 |
60 |
360 |
1806 |
169 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
3491 |
2284 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
93822 |
4750 |
272 |
469 |
250 |
10 |
0 |
0 |
| OW |
0 |
61 |
30 |
139 |
126 |
10 |
0 |
0 |
| VODI |
0 |
39 |
34 |
159 |
167 |
26 |
0 |
0 |
| ODI |
0 |
2 |
14 |
159 |
337 |
151 |
12 |
0 |
| CDI |
0 |
0 |
0 |
49 |
319 |
1974 |
395 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
3270 |
2054 |
0 |
|
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