Validation of sea ice concentration - Asian sector
Bulletin date: 2024-06-13
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-06-07:
| 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 |
0 |
115 |
3 |
15 |
17 |
0 |
0 |
0 |
| OW |
0 |
153 |
47 |
56 |
57 |
19 |
1 |
0 |
| VODI |
0 |
286 |
98 |
231 |
174 |
29 |
11 |
0 |
| ODI |
0 |
133 |
62 |
246 |
492 |
207 |
43 |
0 |
| CDI |
0 |
203 |
91 |
300 |
1801 |
2180 |
386 |
0 |
| VCDI |
0 |
157 |
63 |
176 |
410 |
2215 |
16891 |
4714 |
|
...date precedes bulletin
|
Date: 2024-06-09:
| 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 |
0 |
176 |
18 |
26 |
29 |
18 |
0 |
0 |
| OW |
0 |
222 |
46 |
40 |
41 |
38 |
0 |
0 |
| VODI |
0 |
300 |
104 |
198 |
157 |
69 |
6 |
0 |
| ODI |
0 |
145 |
71 |
266 |
443 |
246 |
39 |
0 |
| CDI |
0 |
291 |
115 |
337 |
1671 |
2163 |
703 |
0 |
| VCDI |
0 |
119 |
49 |
180 |
471 |
2162 |
15313 |
5810 |
|
...date precedes bulletin
|
Date: 2024-06-11:
| 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 |
0 |
222 |
13 |
21 |
12 |
31 |
0 |
0 |
| OW |
0 |
490 |
80 |
66 |
46 |
27 |
0 |
0 |
| VODI |
0 |
430 |
171 |
303 |
200 |
68 |
3 |
0 |
| ODI |
0 |
130 |
63 |
298 |
904 |
490 |
20 |
0 |
| CDI |
0 |
87 |
78 |
271 |
1244 |
2608 |
834 |
0 |
| VCDI |
0 |
1 |
6 |
32 |
170 |
1779 |
11161 |
9723 |
|
...date precedes bulletin
|
Date: 2024-06-13:
| 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 |
0 |
203 |
14 |
24 |
23 |
15 |
0 |
0 |
| OW |
0 |
494 |
62 |
73 |
29 |
32 |
0 |
0 |
| VODI |
0 |
443 |
184 |
348 |
189 |
107 |
1 |
0 |
| ODI |
0 |
133 |
66 |
359 |
857 |
578 |
43 |
0 |
| CDI |
0 |
107 |
51 |
307 |
1375 |
3187 |
1134 |
0 |
| VCDI |
0 |
2 |
8 |
41 |
351 |
3469 |
13259 |
4514 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
213 |
19 |
30 |
25 |
10 |
0 |
0 |
| OW |
0 |
496 |
59 |
67 |
27 |
34 |
0 |
0 |
| VODI |
0 |
432 |
183 |
366 |
184 |
107 |
2 |
0 |
| ODI |
0 |
135 |
70 |
359 |
901 |
598 |
56 |
0 |
| CDI |
0 |
101 |
46 |
282 |
1318 |
3156 |
1138 |
0 |
| VCDI |
0 |
5 |
8 |
48 |
369 |
3483 |
13241 |
4514 |
|
Date: 2024-06-15:
| 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 |
0 |
205 |
13 |
25 |
21 |
28 |
0 |
0 |
| OW |
0 |
451 |
81 |
70 |
31 |
50 |
0 |
0 |
| VODI |
0 |
521 |
189 |
323 |
228 |
121 |
3 |
0 |
| ODI |
0 |
209 |
107 |
434 |
812 |
681 |
35 |
0 |
| CDI |
0 |
99 |
71 |
394 |
1589 |
3326 |
1319 |
2 |
| VCDI |
0 |
0 |
0 |
25 |
394 |
3931 |
9577 |
6717 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
219 |
23 |
38 |
28 |
28 |
0 |
0 |
| OW |
0 |
474 |
71 |
51 |
31 |
44 |
0 |
0 |
| VODI |
0 |
484 |
193 |
333 |
226 |
118 |
3 |
0 |
| ODI |
0 |
216 |
108 |
449 |
887 |
717 |
32 |
0 |
| CDI |
0 |
92 |
66 |
375 |
1496 |
3219 |
1249 |
7 |
| VCDI |
0 |
0 |
0 |
25 |
407 |
4011 |
9650 |
6712 |
|
Date: 2024-06-17:
| 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 |
0 |
294 |
17 |
25 |
53 |
0 |
0 |
0 |
| OW |
0 |
772 |
109 |
78 |
69 |
11 |
0 |
0 |
| VODI |
0 |
403 |
255 |
574 |
292 |
36 |
0 |
0 |
| ODI |
0 |
51 |
44 |
509 |
1862 |
647 |
7 |
0 |
| CDI |
0 |
9 |
23 |
157 |
1352 |
4444 |
840 |
0 |
| VCDI |
0 |
0 |
0 |
60 |
617 |
7483 |
9488 |
1501 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
271 |
24 |
45 |
67 |
0 |
0 |
0 |
| OW |
0 |
397 |
98 |
51 |
86 |
13 |
0 |
0 |
| VODI |
0 |
496 |
174 |
387 |
307 |
90 |
1 |
0 |
| ODI |
0 |
278 |
82 |
482 |
1184 |
607 |
31 |
0 |
| CDI |
0 |
86 |
69 |
357 |
1679 |
3336 |
1611 |
0 |
| VCDI |
0 |
1 |
1 |
81 |
922 |
8575 |
8692 |
1501 |
|
Date: 2024-06-19:
| 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 |
0 |
361 |
36 |
43 |
52 |
22 |
0 |
0 |
| OW |
0 |
777 |
145 |
103 |
57 |
36 |
0 |
0 |
| VODI |
0 |
364 |
219 |
571 |
323 |
148 |
2 |
0 |
| ODI |
0 |
58 |
45 |
512 |
1465 |
1069 |
29 |
0 |
| CDI |
0 |
9 |
44 |
211 |
1374 |
4434 |
667 |
0 |
| VCDI |
0 |
2 |
14 |
108 |
1165 |
10051 |
5199 |
2367 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
357 |
43 |
58 |
56 |
46 |
0 |
0 |
| OW |
0 |
350 |
111 |
87 |
57 |
58 |
0 |
0 |
| VODI |
0 |
460 |
183 |
382 |
278 |
242 |
7 |
0 |
| ODI |
0 |
260 |
77 |
486 |
920 |
904 |
36 |
0 |
| CDI |
0 |
135 |
63 |
384 |
1790 |
3200 |
1120 |
0 |
| VCDI |
0 |
9 |
26 |
151 |
1335 |
11310 |
4734 |
2367 |
|
Date: 2024-06-21:
| 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 |
0 |
469 |
48 |
58 |
40 |
31 |
0 |
0 |
| OW |
0 |
829 |
113 |
80 |
66 |
58 |
2 |
0 |
| VODI |
0 |
482 |
240 |
474 |
347 |
134 |
12 |
0 |
| ODI |
0 |
126 |
84 |
488 |
1617 |
509 |
44 |
0 |
| CDI |
0 |
42 |
55 |
295 |
2202 |
4582 |
521 |
0 |
| VCDI |
0 |
3 |
8 |
102 |
619 |
10244 |
5131 |
1927 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
470 |
57 |
60 |
66 |
25 |
0 |
0 |
| OW |
0 |
447 |
86 |
59 |
73 |
51 |
2 |
0 |
| VODI |
0 |
497 |
171 |
328 |
446 |
141 |
20 |
0 |
| ODI |
0 |
326 |
127 |
449 |
1089 |
656 |
87 |
0 |
| CDI |
0 |
180 |
81 |
438 |
2298 |
2034 |
910 |
0 |
| VCDI |
0 |
31 |
26 |
163 |
919 |
12651 |
4691 |
1927 |
|
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