Validation of sea ice concentration - Full domain
Bulletin date: 2022-08-04
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-07-29:
| 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 |
86054 |
33829 |
5282 |
2290 |
279 |
2 |
0 |
0 |
| OW |
5 |
697 |
534 |
1050 |
250 |
10 |
0 |
0 |
| VODI |
0 |
237 |
317 |
1685 |
1337 |
96 |
0 |
0 |
| ODI |
0 |
35 |
101 |
1291 |
3976 |
1908 |
88 |
0 |
| CDI |
0 |
1 |
10 |
549 |
6493 |
20009 |
3432 |
0 |
| VCDI |
0 |
4 |
0 |
47 |
80 |
6163 |
8663 |
244 |
|
...date precedes bulletin
|
Date: 2022-07-31:
| 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 |
85262 |
35549 |
4925 |
2482 |
206 |
3 |
0 |
0 |
| OW |
0 |
685 |
526 |
1239 |
297 |
12 |
0 |
0 |
| VODI |
0 |
226 |
304 |
1791 |
1332 |
147 |
0 |
0 |
| ODI |
0 |
33 |
100 |
1459 |
4490 |
1494 |
33 |
0 |
| CDI |
0 |
1 |
8 |
521 |
7406 |
20718 |
1104 |
0 |
| VCDI |
0 |
4 |
4 |
70 |
116 |
5482 |
8305 |
714 |
|
...date precedes bulletin
|
Date: 2022-08-02:
| 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 |
88731 |
34926 |
4009 |
2300 |
193 |
0 |
0 |
0 |
| OW |
0 |
258 |
429 |
1359 |
272 |
4 |
0 |
0 |
| VODI |
0 |
82 |
244 |
2468 |
1551 |
96 |
0 |
0 |
| ODI |
0 |
14 |
16 |
953 |
6519 |
1769 |
4 |
0 |
| CDI |
0 |
30 |
22 |
194 |
6051 |
20008 |
888 |
0 |
| VCDI |
0 |
5 |
1 |
2 |
26 |
4767 |
7399 |
1458 |
|
...date precedes bulletin
|
Date: 2022-08-04:
| 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 |
89893 |
33690 |
4983 |
2115 |
149 |
0 |
0 |
0 |
| OW |
0 |
335 |
509 |
1550 |
344 |
9 |
0 |
0 |
| VODI |
0 |
97 |
300 |
2426 |
1461 |
102 |
8 |
0 |
| ODI |
0 |
39 |
34 |
1099 |
6334 |
1683 |
42 |
0 |
| CDI |
0 |
58 |
13 |
230 |
6732 |
17667 |
2240 |
0 |
| VCDI |
0 |
5 |
0 |
4 |
11 |
4617 |
7237 |
1032 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
89893 |
33725 |
5055 |
2296 |
184 |
1 |
0 |
0 |
| OW |
0 |
296 |
413 |
1281 |
352 |
9 |
0 |
0 |
| VODI |
0 |
101 |
324 |
2451 |
1486 |
102 |
6 |
0 |
| ODI |
0 |
42 |
32 |
1136 |
6153 |
1785 |
61 |
0 |
| CDI |
0 |
55 |
15 |
256 |
6844 |
17543 |
2178 |
0 |
| VCDI |
0 |
5 |
0 |
4 |
12 |
4638 |
7282 |
1032 |
|
Date: 2022-08-06:
| 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 |
89657 |
35293 |
4311 |
2066 |
160 |
1 |
0 |
0 |
| OW |
1 |
380 |
588 |
1621 |
424 |
4 |
0 |
0 |
| VODI |
0 |
119 |
328 |
2069 |
1631 |
172 |
0 |
0 |
| ODI |
0 |
43 |
53 |
1390 |
5684 |
2221 |
26 |
0 |
| CDI |
0 |
40 |
16 |
418 |
7663 |
17183 |
1643 |
0 |
| VCDI |
0 |
7 |
0 |
5 |
35 |
4698 |
7098 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
89657 |
35322 |
4352 |
2261 |
244 |
3 |
0 |
0 |
| OW |
1 |
345 |
509 |
1380 |
419 |
3 |
0 |
0 |
| VODI |
0 |
124 |
366 |
2064 |
1555 |
178 |
0 |
0 |
| ODI |
0 |
55 |
52 |
1411 |
5542 |
2307 |
48 |
0 |
| CDI |
0 |
30 |
17 |
448 |
7803 |
17085 |
1608 |
0 |
| VCDI |
0 |
6 |
0 |
5 |
34 |
4703 |
7111 |
0 |
|
Date: 2022-08-08:
| 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 |
92254 |
33109 |
4823 |
1995 |
112 |
1 |
0 |
0 |
| OW |
0 |
336 |
578 |
1360 |
175 |
14 |
0 |
0 |
| VODI |
0 |
65 |
276 |
2300 |
1141 |
82 |
11 |
0 |
| ODI |
0 |
3 |
36 |
1317 |
9138 |
2052 |
20 |
0 |
| CDI |
0 |
2 |
3 |
107 |
5115 |
18106 |
1120 |
0 |
| VCDI |
0 |
7 |
1 |
2 |
9 |
2832 |
7216 |
1330 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
92244 |
32976 |
4801 |
2225 |
266 |
24 |
0 |
0 |
| OW |
10 |
326 |
506 |
1358 |
379 |
106 |
11 |
0 |
| VODI |
0 |
130 |
284 |
1706 |
1606 |
572 |
25 |
0 |
| ODI |
0 |
81 |
110 |
1266 |
5484 |
3027 |
21 |
0 |
| CDI |
0 |
3 |
15 |
524 |
7904 |
15854 |
1316 |
21 |
| VCDI |
0 |
6 |
1 |
2 |
51 |
3504 |
6994 |
1309 |
|
Date: 2022-08-10:
| 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 |
100580 |
27245 |
3356 |
1904 |
68 |
0 |
0 |
0 |
| OW |
0 |
314 |
622 |
1385 |
213 |
0 |
0 |
0 |
| VODI |
0 |
74 |
318 |
2371 |
1264 |
65 |
0 |
0 |
| ODI |
0 |
6 |
42 |
1983 |
8134 |
2099 |
1 |
0 |
| CDI |
0 |
4 |
8 |
225 |
4845 |
15738 |
2822 |
0 |
| VCDI |
0 |
6 |
1 |
5 |
15 |
1864 |
7465 |
2006 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
100575 |
27000 |
3387 |
2056 |
223 |
0 |
0 |
0 |
| OW |
5 |
389 |
380 |
1281 |
481 |
71 |
0 |
0 |
| VODI |
0 |
202 |
358 |
1767 |
1822 |
421 |
0 |
0 |
| ODI |
0 |
48 |
175 |
1690 |
5224 |
2875 |
188 |
0 |
| CDI |
0 |
5 |
47 |
1076 |
6752 |
14191 |
3041 |
26 |
| VCDI |
0 |
5 |
0 |
3 |
37 |
2208 |
7059 |
1980 |
|
Date: 2022-08-12:
| 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 |
95067 |
32594 |
4029 |
1832 |
80 |
0 |
0 |
0 |
| OW |
3 |
437 |
695 |
1299 |
226 |
0 |
0 |
0 |
| VODI |
2 |
116 |
379 |
2627 |
1280 |
113 |
5 |
0 |
| ODI |
0 |
11 |
58 |
2249 |
7489 |
2177 |
34 |
0 |
| CDI |
0 |
2 |
12 |
320 |
4468 |
15571 |
3098 |
0 |
| VCDI |
0 |
6 |
0 |
3 |
20 |
2515 |
7926 |
305 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
95059 |
32302 |
3935 |
1931 |
308 |
23 |
0 |
0 |
| OW |
10 |
497 |
482 |
1128 |
461 |
124 |
0 |
0 |
| VODI |
3 |
310 |
439 |
1827 |
1679 |
419 |
8 |
0 |
| ODI |
0 |
48 |
217 |
2101 |
4939 |
3137 |
332 |
0 |
| CDI |
0 |
3 |
100 |
1341 |
6149 |
14583 |
3628 |
0 |
| VCDI |
0 |
6 |
0 |
2 |
27 |
2090 |
7095 |
305 |
|
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