Validation of sea ice concentration - Asian sector
Bulletin date: 2023-06-08
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-06-02:
| 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 |
35 |
1343 |
112 |
148 |
4 |
0 |
0 |
0 |
| OW |
0 |
99 |
36 |
152 |
26 |
0 |
0 |
0 |
| VODI |
0 |
72 |
54 |
239 |
170 |
14 |
23 |
0 |
| ODI |
0 |
25 |
19 |
213 |
314 |
153 |
82 |
0 |
| CDI |
0 |
15 |
14 |
232 |
716 |
1735 |
476 |
4 |
| VCDI |
0 |
0 |
3 |
163 |
588 |
4254 |
18256 |
2293 |
|
...date precedes bulletin
|
Date: 2023-06-04:
| 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 |
47 |
1335 |
111 |
192 |
0 |
0 |
0 |
0 |
| OW |
0 |
105 |
24 |
179 |
19 |
0 |
0 |
0 |
| VODI |
0 |
89 |
43 |
201 |
228 |
19 |
12 |
0 |
| ODI |
0 |
26 |
25 |
198 |
370 |
183 |
89 |
1 |
| CDI |
0 |
11 |
22 |
255 |
695 |
1425 |
1133 |
6 |
| VCDI |
0 |
0 |
0 |
162 |
463 |
2654 |
15766 |
5994 |
|
...date precedes bulletin
|
Date: 2023-06-06:
| 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 |
32 |
1732 |
130 |
95 |
0 |
0 |
0 |
0 |
| OW |
0 |
52 |
96 |
262 |
20 |
0 |
0 |
0 |
| VODI |
0 |
18 |
26 |
362 |
212 |
14 |
1 |
0 |
| ODI |
0 |
10 |
12 |
229 |
572 |
149 |
3 |
0 |
| CDI |
0 |
0 |
0 |
254 |
1059 |
1533 |
228 |
0 |
| VCDI |
0 |
0 |
0 |
15 |
167 |
3245 |
15898 |
5656 |
|
...date precedes bulletin
|
Date: 2023-06-08:
| 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 |
233 |
1641 |
166 |
160 |
0 |
0 |
0 |
0 |
| OW |
0 |
56 |
66 |
286 |
31 |
0 |
0 |
0 |
| VODI |
0 |
32 |
38 |
331 |
238 |
20 |
0 |
0 |
| ODI |
0 |
8 |
20 |
248 |
575 |
141 |
13 |
0 |
| CDI |
0 |
0 |
6 |
282 |
1038 |
1761 |
332 |
0 |
| VCDI |
0 |
0 |
0 |
43 |
399 |
3755 |
15336 |
4827 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
233 |
1644 |
173 |
205 |
7 |
0 |
0 |
0 |
| OW |
0 |
57 |
58 |
229 |
27 |
0 |
0 |
0 |
| VODI |
0 |
28 |
39 |
331 |
189 |
19 |
0 |
0 |
| ODI |
0 |
8 |
20 |
235 |
542 |
132 |
14 |
0 |
| CDI |
0 |
0 |
6 |
301 |
1111 |
1679 |
278 |
0 |
| VCDI |
0 |
0 |
0 |
49 |
405 |
3847 |
15389 |
4827 |
|
Date: 2023-06-10:
| 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 |
52 |
1877 |
147 |
160 |
3 |
0 |
0 |
0 |
| OW |
0 |
69 |
77 |
311 |
71 |
2 |
0 |
0 |
| VODI |
0 |
58 |
55 |
322 |
350 |
15 |
7 |
0 |
| ODI |
0 |
15 |
20 |
231 |
542 |
192 |
39 |
0 |
| CDI |
0 |
5 |
16 |
281 |
1452 |
1536 |
532 |
11 |
| VCDI |
0 |
0 |
0 |
100 |
706 |
4439 |
16517 |
1872 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
52 |
1880 |
153 |
214 |
11 |
0 |
0 |
0 |
| OW |
0 |
67 |
67 |
230 |
61 |
1 |
0 |
0 |
| VODI |
0 |
55 |
59 |
336 |
295 |
12 |
5 |
0 |
| ODI |
0 |
14 |
18 |
217 |
505 |
195 |
35 |
0 |
| CDI |
0 |
8 |
18 |
316 |
1588 |
1393 |
544 |
11 |
| VCDI |
0 |
0 |
0 |
92 |
664 |
4583 |
16511 |
1872 |
|
Date: 2023-06-12:
| 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 |
228 |
1718 |
147 |
139 |
10 |
0 |
0 |
0 |
| OW |
0 |
50 |
113 |
337 |
66 |
0 |
0 |
0 |
| VODI |
0 |
7 |
21 |
487 |
327 |
4 |
2 |
0 |
| ODI |
0 |
4 |
8 |
195 |
939 |
145 |
14 |
0 |
| CDI |
0 |
0 |
0 |
111 |
1581 |
3576 |
361 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
205 |
4281 |
16360 |
646 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
228 |
1643 |
134 |
247 |
95 |
0 |
0 |
0 |
| OW |
0 |
74 |
62 |
204 |
149 |
2 |
0 |
0 |
| VODI |
0 |
36 |
47 |
295 |
290 |
82 |
9 |
0 |
| ODI |
0 |
8 |
27 |
188 |
453 |
291 |
19 |
0 |
| CDI |
0 |
18 |
19 |
283 |
1235 |
2132 |
1091 |
33 |
| VCDI |
0 |
0 |
0 |
52 |
906 |
5499 |
15618 |
613 |
|
Date: 2023-06-14:
| 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 |
353 |
1905 |
101 |
131 |
5 |
0 |
0 |
0 |
| OW |
0 |
99 |
118 |
359 |
84 |
0 |
0 |
0 |
| VODI |
0 |
8 |
36 |
444 |
342 |
9 |
2 |
0 |
| ODI |
0 |
0 |
0 |
226 |
726 |
181 |
58 |
0 |
| CDI |
0 |
0 |
0 |
150 |
961 |
3592 |
1317 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
47 |
3020 |
13952 |
3856 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
353 |
1789 |
110 |
234 |
92 |
0 |
0 |
0 |
| OW |
0 |
149 |
43 |
160 |
128 |
0 |
0 |
0 |
| VODI |
0 |
57 |
78 |
298 |
316 |
33 |
8 |
0 |
| ODI |
0 |
17 |
21 |
287 |
454 |
213 |
52 |
0 |
| CDI |
0 |
0 |
3 |
305 |
933 |
2248 |
2542 |
0 |
| VCDI |
0 |
0 |
0 |
26 |
242 |
4308 |
12727 |
3856 |
|
Date: 2023-06-16:
| 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 |
332 |
1840 |
150 |
218 |
8 |
0 |
0 |
0 |
| OW |
0 |
118 |
136 |
343 |
104 |
0 |
0 |
0 |
| VODI |
0 |
18 |
65 |
424 |
382 |
8 |
1 |
0 |
| ODI |
0 |
0 |
7 |
286 |
880 |
204 |
29 |
1 |
| CDI |
0 |
0 |
0 |
163 |
1486 |
3902 |
1367 |
43 |
| VCDI |
0 |
0 |
0 |
0 |
230 |
2725 |
14089 |
2523 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
332 |
1730 |
125 |
328 |
73 |
0 |
0 |
0 |
| OW |
0 |
142 |
68 |
173 |
190 |
12 |
0 |
0 |
| VODI |
0 |
71 |
89 |
300 |
296 |
51 |
4 |
0 |
| ODI |
0 |
24 |
52 |
316 |
548 |
144 |
37 |
0 |
| CDI |
0 |
9 |
24 |
316 |
1351 |
3304 |
3399 |
92 |
| VCDI |
0 |
0 |
0 |
1 |
632 |
3328 |
12046 |
2475 |
|
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