Validation of sea ice concentration - American sector
Bulletin date: 2022-08-18
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
6820 |
10409 |
1469 |
924 |
57 |
0 |
0 |
0 |
| OW |
3 |
93 |
370 |
792 |
105 |
0 |
0 |
0 |
| VODI |
2 |
45 |
147 |
1545 |
523 |
25 |
0 |
0 |
| ODI |
0 |
10 |
21 |
1314 |
3310 |
197 |
0 |
0 |
| CDI |
0 |
2 |
1 |
215 |
2308 |
5593 |
901 |
0 |
| VCDI |
0 |
6 |
0 |
3 |
20 |
2056 |
6275 |
305 |
|
...date precedes bulletin
|
Date: 2022-08-14:
| 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 |
10586 |
6965 |
1364 |
837 |
103 |
1 |
0 |
0 |
| OW |
1 |
204 |
369 |
597 |
162 |
26 |
0 |
0 |
| VODI |
1 |
100 |
233 |
1490 |
514 |
90 |
0 |
0 |
| ODI |
0 |
7 |
42 |
1582 |
2438 |
423 |
70 |
0 |
| CDI |
0 |
3 |
1 |
248 |
2545 |
5567 |
1176 |
0 |
| VCDI |
0 |
5 |
0 |
2 |
43 |
1974 |
6043 |
54 |
|
...date precedes bulletin
|
Date: 2022-08-16:
| 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 |
5951 |
11626 |
1609 |
774 |
72 |
2 |
0 |
0 |
| OW |
1 |
207 |
480 |
621 |
99 |
19 |
0 |
0 |
| VODI |
0 |
72 |
161 |
2217 |
535 |
37 |
0 |
0 |
| ODI |
0 |
4 |
0 |
998 |
3378 |
627 |
0 |
0 |
| CDI |
0 |
5 |
1 |
17 |
1447 |
4482 |
2004 |
0 |
| VCDI |
0 |
4 |
0 |
0 |
10 |
1985 |
6421 |
0 |
|
...date precedes bulletin
|
Date: 2022-08-18:
| 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 |
2957 |
12388 |
3925 |
800 |
99 |
0 |
0 |
0 |
| OW |
0 |
232 |
539 |
580 |
153 |
14 |
0 |
0 |
| VODI |
0 |
56 |
147 |
2204 |
698 |
69 |
0 |
0 |
| ODI |
0 |
5 |
13 |
1042 |
2656 |
940 |
11 |
0 |
| CDI |
0 |
5 |
0 |
20 |
1871 |
3956 |
2183 |
0 |
| VCDI |
0 |
1 |
0 |
2 |
12 |
1025 |
7157 |
106 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2957 |
12405 |
3992 |
905 |
122 |
0 |
0 |
0 |
| OW |
0 |
213 |
465 |
535 |
135 |
13 |
0 |
0 |
| VODI |
0 |
55 |
150 |
2121 |
740 |
90 |
2 |
0 |
| ODI |
0 |
8 |
17 |
1062 |
2458 |
872 |
6 |
0 |
| CDI |
0 |
5 |
0 |
23 |
2019 |
3992 |
2069 |
0 |
| VCDI |
0 |
1 |
0 |
2 |
15 |
1037 |
7274 |
106 |
|
Date: 2022-08-20:
| 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 |
5749 |
12036 |
1860 |
507 |
75 |
1 |
0 |
0 |
| OW |
0 |
275 |
603 |
711 |
85 |
9 |
0 |
0 |
| VODI |
0 |
127 |
175 |
2357 |
511 |
41 |
0 |
0 |
| ODI |
0 |
40 |
28 |
917 |
2413 |
827 |
5 |
0 |
| CDI |
0 |
6 |
4 |
36 |
1874 |
4407 |
1982 |
0 |
| VCDI |
0 |
4 |
0 |
4 |
63 |
1040 |
6272 |
822 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5749 |
12051 |
1926 |
679 |
80 |
1 |
0 |
0 |
| OW |
0 |
231 |
511 |
625 |
90 |
11 |
0 |
0 |
| VODI |
0 |
141 |
196 |
2259 |
584 |
41 |
0 |
0 |
| ODI |
0 |
49 |
33 |
936 |
2235 |
778 |
1 |
0 |
| CDI |
0 |
12 |
4 |
29 |
1973 |
4420 |
1867 |
0 |
| VCDI |
0 |
4 |
0 |
4 |
59 |
1074 |
6391 |
822 |
|
Date: 2022-08-22:
| 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 |
10586 |
8991 |
1276 |
686 |
83 |
2 |
0 |
0 |
| OW |
0 |
301 |
408 |
680 |
64 |
0 |
0 |
0 |
| VODI |
0 |
59 |
127 |
2283 |
633 |
6 |
0 |
0 |
| ODI |
0 |
8 |
4 |
461 |
2383 |
446 |
5 |
0 |
| CDI |
0 |
3 |
0 |
16 |
1448 |
4571 |
462 |
0 |
| VCDI |
0 |
5 |
0 |
2 |
16 |
904 |
6935 |
2012 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
10586 |
8516 |
909 |
598 |
105 |
2 |
0 |
0 |
| OW |
0 |
534 |
552 |
504 |
119 |
0 |
0 |
0 |
| VODI |
0 |
233 |
313 |
1957 |
475 |
32 |
0 |
0 |
| ODI |
0 |
60 |
41 |
1009 |
1765 |
818 |
14 |
0 |
| CDI |
0 |
16 |
0 |
55 |
2144 |
4561 |
1514 |
11 |
| VCDI |
0 |
8 |
0 |
5 |
19 |
516 |
5874 |
2001 |
|
Date: 2022-08-24:
| 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 |
11871 |
8535 |
1457 |
506 |
54 |
2 |
0 |
0 |
| OW |
0 |
238 |
386 |
665 |
42 |
0 |
0 |
0 |
| VODI |
0 |
60 |
179 |
2100 |
488 |
23 |
0 |
0 |
| ODI |
0 |
2 |
1 |
402 |
1851 |
487 |
20 |
0 |
| CDI |
0 |
9 |
3 |
9 |
1515 |
3921 |
1089 |
0 |
| VCDI |
0 |
3 |
3 |
6 |
37 |
1493 |
6201 |
2208 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11871 |
7921 |
1023 |
372 |
68 |
2 |
0 |
0 |
| OW |
0 |
582 |
519 |
506 |
61 |
1 |
0 |
0 |
| VODI |
0 |
267 |
460 |
1729 |
277 |
39 |
0 |
0 |
| ODI |
0 |
53 |
21 |
1039 |
1581 |
678 |
34 |
0 |
| CDI |
0 |
19 |
3 |
35 |
1963 |
4088 |
1826 |
251 |
| VCDI |
0 |
5 |
3 |
7 |
37 |
1118 |
5450 |
1957 |
|
Date: 2022-08-26:
| 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 |
11906 |
8677 |
1577 |
642 |
23 |
0 |
0 |
0 |
| OW |
0 |
185 |
328 |
1001 |
65 |
0 |
0 |
0 |
| VODI |
0 |
21 |
124 |
2003 |
401 |
7 |
0 |
0 |
| ODI |
0 |
2 |
1 |
596 |
1864 |
194 |
7 |
0 |
| CDI |
0 |
6 |
3 |
59 |
1952 |
3863 |
409 |
0 |
| VCDI |
0 |
3 |
1 |
4 |
11 |
1998 |
7046 |
887 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11905 |
8161 |
1207 |
466 |
37 |
0 |
0 |
0 |
| OW |
1 |
471 |
506 |
830 |
92 |
1 |
0 |
0 |
| VODI |
0 |
186 |
267 |
1626 |
252 |
11 |
0 |
0 |
| ODI |
0 |
62 |
50 |
1173 |
1530 |
384 |
0 |
2 |
| CDI |
0 |
9 |
3 |
206 |
2393 |
3432 |
695 |
398 |
| VCDI |
0 |
5 |
1 |
4 |
12 |
2234 |
6767 |
487 |
|
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