Validation of sea ice concentration - Asian sector
Bulletin date: 2023-06-15
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-06-09:
| 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 |
241 |
1820 |
99 |
80 |
4 |
0 |
0 |
0 |
| OW |
0 |
237 |
92 |
108 |
39 |
6 |
0 |
0 |
| VODI |
0 |
191 |
62 |
205 |
203 |
71 |
7 |
0 |
| ODI |
0 |
137 |
54 |
217 |
303 |
265 |
60 |
0 |
| CDI |
0 |
141 |
79 |
265 |
709 |
1641 |
732 |
0 |
| VCDI |
0 |
21 |
27 |
91 |
531 |
4195 |
18511 |
638 |
|
...date precedes bulletin
|
Date: 2023-06-11:
| 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 |
223 |
1765 |
116 |
72 |
9 |
0 |
0 |
0 |
| OW |
0 |
229 |
83 |
158 |
82 |
23 |
1 |
0 |
| VODI |
0 |
199 |
79 |
164 |
232 |
130 |
15 |
0 |
| ODI |
0 |
116 |
58 |
172 |
322 |
320 |
61 |
0 |
| CDI |
0 |
112 |
72 |
332 |
952 |
1972 |
1042 |
1 |
| VCDI |
0 |
35 |
21 |
132 |
1114 |
6296 |
15312 |
60 |
|
...date precedes bulletin
|
Date: 2023-06-13:
| 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 |
323 |
1973 |
59 |
39 |
10 |
0 |
0 |
0 |
| OW |
0 |
319 |
109 |
117 |
70 |
6 |
1 |
0 |
| VODI |
0 |
154 |
128 |
275 |
212 |
61 |
1 |
0 |
| ODI |
0 |
55 |
54 |
212 |
449 |
377 |
61 |
0 |
| CDI |
0 |
56 |
44 |
204 |
610 |
3031 |
1725 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
62 |
4610 |
16293 |
381 |
|
...date precedes bulletin
|
Date: 2023-06-15:
| 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 |
448 |
1998 |
65 |
42 |
6 |
0 |
0 |
0 |
| OW |
0 |
345 |
121 |
129 |
61 |
13 |
0 |
0 |
| VODI |
0 |
205 |
102 |
292 |
210 |
51 |
4 |
0 |
| ODI |
0 |
80 |
80 |
199 |
476 |
382 |
43 |
0 |
| CDI |
0 |
55 |
63 |
267 |
878 |
3449 |
1580 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
106 |
4436 |
14694 |
1202 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
448 |
2056 |
81 |
80 |
20 |
0 |
0 |
0 |
| OW |
0 |
277 |
100 |
93 |
46 |
13 |
0 |
0 |
| VODI |
0 |
199 |
102 |
269 |
200 |
49 |
3 |
0 |
| ODI |
0 |
94 |
81 |
177 |
404 |
345 |
49 |
0 |
| CDI |
0 |
57 |
67 |
310 |
910 |
3411 |
1519 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
157 |
4513 |
14750 |
1202 |
|
Date: 2023-06-17:
| 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 |
377 |
1976 |
72 |
73 |
36 |
1 |
0 |
0 |
| OW |
0 |
336 |
114 |
166 |
112 |
15 |
0 |
0 |
| VODI |
0 |
259 |
112 |
235 |
291 |
52 |
12 |
0 |
| ODI |
0 |
183 |
80 |
221 |
563 |
470 |
34 |
0 |
| CDI |
0 |
62 |
60 |
449 |
1390 |
3386 |
1723 |
0 |
| VCDI |
0 |
0 |
8 |
119 |
209 |
3797 |
14697 |
392 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
377 |
2067 |
96 |
96 |
37 |
3 |
0 |
0 |
| OW |
0 |
240 |
97 |
141 |
106 |
14 |
1 |
0 |
| VODI |
0 |
241 |
92 |
229 |
303 |
50 |
11 |
0 |
| ODI |
0 |
204 |
86 |
199 |
485 |
461 |
30 |
0 |
| CDI |
0 |
64 |
67 |
490 |
1408 |
3231 |
1786 |
0 |
| VCDI |
0 |
0 |
8 |
108 |
262 |
3962 |
14638 |
392 |
|
Date: 2023-06-19:
| 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 |
322 |
2252 |
124 |
105 |
67 |
2 |
0 |
0 |
| OW |
0 |
347 |
124 |
187 |
66 |
10 |
0 |
0 |
| VODI |
0 |
241 |
160 |
470 |
455 |
79 |
4 |
0 |
| ODI |
0 |
59 |
55 |
372 |
1363 |
629 |
22 |
0 |
| CDI |
0 |
18 |
38 |
218 |
1686 |
3359 |
497 |
0 |
| VCDI |
0 |
0 |
4 |
18 |
52 |
2335 |
16240 |
102 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
322 |
2012 |
139 |
171 |
90 |
6 |
0 |
0 |
| OW |
0 |
277 |
80 |
165 |
98 |
46 |
9 |
0 |
| VODI |
0 |
317 |
82 |
218 |
332 |
120 |
15 |
0 |
| ODI |
0 |
238 |
108 |
320 |
706 |
406 |
40 |
0 |
| CDI |
0 |
73 |
92 |
472 |
2161 |
2985 |
2237 |
0 |
| VCDI |
0 |
0 |
4 |
24 |
302 |
2851 |
14462 |
102 |
|
Date: 2023-06-21:
| 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 |
281 |
2283 |
195 |
243 |
84 |
1 |
0 |
0 |
| OW |
0 |
337 |
161 |
279 |
156 |
72 |
0 |
0 |
| VODI |
0 |
235 |
135 |
423 |
626 |
173 |
4 |
0 |
| ODI |
0 |
112 |
79 |
335 |
1216 |
774 |
57 |
0 |
| CDI |
0 |
38 |
65 |
249 |
1948 |
2858 |
295 |
0 |
| VCDI |
0 |
0 |
0 |
14 |
186 |
3768 |
14020 |
380 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
281 |
1955 |
175 |
304 |
97 |
19 |
0 |
0 |
| OW |
0 |
285 |
90 |
198 |
137 |
90 |
2 |
0 |
| VODI |
0 |
338 |
100 |
226 |
406 |
205 |
18 |
0 |
| ODI |
0 |
322 |
148 |
331 |
761 |
544 |
102 |
0 |
| CDI |
0 |
98 |
110 |
423 |
2377 |
4443 |
2960 |
0 |
| VCDI |
0 |
7 |
12 |
61 |
438 |
2345 |
11294 |
380 |
|
Date: 2023-06-23:
| 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 |
253 |
2363 |
229 |
360 |
88 |
20 |
0 |
0 |
| OW |
0 |
348 |
151 |
298 |
215 |
105 |
2 |
0 |
| VODI |
0 |
239 |
128 |
446 |
757 |
266 |
9 |
0 |
| ODI |
0 |
120 |
86 |
311 |
1267 |
755 |
152 |
0 |
| CDI |
0 |
35 |
75 |
392 |
1958 |
2559 |
392 |
0 |
| VCDI |
0 |
0 |
1 |
18 |
271 |
4536 |
10559 |
2318 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
253 |
2051 |
215 |
391 |
119 |
59 |
1 |
0 |
| OW |
0 |
220 |
69 |
208 |
204 |
107 |
5 |
0 |
| VODI |
0 |
370 |
103 |
300 |
438 |
305 |
47 |
0 |
| ODI |
0 |
319 |
138 |
323 |
809 |
528 |
176 |
0 |
| CDI |
0 |
136 |
131 |
493 |
2637 |
5322 |
3843 |
709 |
| VCDI |
0 |
9 |
14 |
110 |
349 |
1920 |
7042 |
1609 |
|
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