Validation of sea ice concentration - American sector
Bulletin date: 2018-08-23
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2018-08-17:
| 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 |
13047 |
8301 |
59 |
321 |
31 |
0 |
0 |
0 |
| OW |
0 |
1167 |
70 |
285 |
51 |
0 |
0 |
0 |
| VODI |
0 |
287 |
76 |
1558 |
380 |
9 |
0 |
0 |
| ODI |
0 |
4 |
0 |
427 |
2498 |
115 |
2 |
0 |
| CDI |
0 |
14 |
1 |
45 |
2342 |
4338 |
887 |
0 |
| VCDI |
0 |
10 |
1 |
32 |
380 |
3790 |
4896 |
442 |
|
...date precedes bulletin
|
Date: 2018-08-19:
| 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 |
13553 |
8148 |
54 |
306 |
22 |
0 |
0 |
0 |
| OW |
7 |
1130 |
51 |
244 |
60 |
1 |
0 |
0 |
| VODI |
0 |
404 |
100 |
1407 |
394 |
10 |
0 |
0 |
| ODI |
0 |
9 |
7 |
559 |
2154 |
137 |
0 |
0 |
| CDI |
0 |
13 |
3 |
79 |
2632 |
4005 |
861 |
0 |
| VCDI |
0 |
25 |
2 |
51 |
435 |
3492 |
4389 |
1122 |
|
...date precedes bulletin
|
Date: 2018-08-21:
| 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 |
14758 |
7647 |
49 |
274 |
12 |
0 |
0 |
0 |
| OW |
1 |
854 |
96 |
316 |
40 |
0 |
0 |
0 |
| VODI |
0 |
173 |
72 |
1704 |
470 |
13 |
0 |
0 |
| ODI |
0 |
6 |
0 |
154 |
2438 |
289 |
0 |
0 |
| CDI |
0 |
8 |
1 |
34 |
2588 |
3890 |
505 |
0 |
| VCDI |
0 |
11 |
1 |
25 |
158 |
2635 |
4823 |
1821 |
|
...date precedes bulletin
|
Date: 2018-08-23:
| 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 |
15201 |
7412 |
68 |
282 |
41 |
0 |
0 |
0 |
| OW |
0 |
883 |
90 |
424 |
51 |
0 |
0 |
0 |
| VODI |
0 |
132 |
49 |
1538 |
526 |
12 |
0 |
0 |
| ODI |
0 |
7 |
1 |
180 |
2152 |
120 |
6 |
0 |
| CDI |
0 |
5 |
1 |
74 |
2734 |
3693 |
658 |
0 |
| VCDI |
0 |
2 |
2 |
53 |
221 |
3449 |
4995 |
804 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15201 |
7599 |
85 |
315 |
36 |
0 |
0 |
0 |
| OW |
0 |
680 |
64 |
423 |
56 |
0 |
0 |
0 |
| VODI |
0 |
149 |
58 |
1474 |
524 |
13 |
0 |
0 |
| ODI |
0 |
7 |
1 |
217 |
2148 |
117 |
3 |
0 |
| CDI |
0 |
4 |
2 |
71 |
2730 |
3676 |
747 |
0 |
| VCDI |
0 |
2 |
1 |
51 |
231 |
3468 |
4909 |
804 |
|
Date: 2018-08-25:
| 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 |
15776 |
7236 |
56 |
172 |
13 |
0 |
0 |
0 |
| OW |
0 |
864 |
78 |
547 |
68 |
0 |
0 |
0 |
| VODI |
0 |
137 |
48 |
1112 |
844 |
2 |
0 |
0 |
| ODI |
0 |
5 |
1 |
111 |
1918 |
220 |
0 |
0 |
| CDI |
0 |
1 |
1 |
51 |
2123 |
4109 |
846 |
0 |
| VCDI |
0 |
0 |
0 |
70 |
134 |
3696 |
4820 |
807 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15776 |
7489 |
76 |
249 |
15 |
0 |
0 |
0 |
| OW |
0 |
604 |
67 |
482 |
74 |
0 |
0 |
0 |
| VODI |
0 |
143 |
37 |
1082 |
869 |
10 |
0 |
0 |
| ODI |
0 |
6 |
3 |
129 |
1849 |
259 |
0 |
0 |
| CDI |
0 |
1 |
1 |
52 |
2130 |
3986 |
825 |
0 |
| VCDI |
0 |
0 |
0 |
69 |
163 |
3772 |
4841 |
807 |
|
Date: 2018-08-27:
| 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 |
15496 |
7726 |
56 |
168 |
3 |
0 |
0 |
0 |
| OW |
0 |
827 |
73 |
309 |
25 |
0 |
0 |
0 |
| VODI |
0 |
126 |
57 |
1586 |
312 |
0 |
0 |
0 |
| ODI |
0 |
0 |
1 |
156 |
2973 |
62 |
0 |
0 |
| CDI |
0 |
0 |
0 |
50 |
1533 |
4340 |
584 |
0 |
| VCDI |
0 |
0 |
0 |
15 |
78 |
3680 |
5630 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15496 |
7777 |
74 |
269 |
16 |
0 |
0 |
0 |
| OW |
0 |
694 |
58 |
466 |
88 |
0 |
0 |
0 |
| VODI |
0 |
205 |
53 |
1208 |
707 |
13 |
0 |
0 |
| ODI |
0 |
3 |
2 |
223 |
1786 |
114 |
5 |
0 |
| CDI |
0 |
0 |
0 |
77 |
2084 |
3391 |
1266 |
0 |
| VCDI |
0 |
0 |
0 |
41 |
243 |
4564 |
4943 |
0 |
|
Date: 2018-08-29:
| 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 |
15436 |
7960 |
47 |
167 |
5 |
0 |
0 |
0 |
| OW |
0 |
1031 |
60 |
297 |
37 |
4 |
0 |
0 |
| VODI |
0 |
427 |
76 |
1247 |
306 |
15 |
0 |
0 |
| ODI |
0 |
10 |
2 |
336 |
2449 |
96 |
0 |
0 |
| CDI |
0 |
4 |
2 |
81 |
1796 |
3551 |
947 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
15 |
6753 |
2706 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15436 |
8047 |
57 |
214 |
24 |
0 |
0 |
0 |
| OW |
0 |
937 |
59 |
443 |
83 |
4 |
0 |
0 |
| VODI |
0 |
410 |
62 |
1016 |
498 |
48 |
0 |
0 |
| ODI |
0 |
31 |
7 |
306 |
1554 |
89 |
0 |
0 |
| CDI |
0 |
7 |
2 |
124 |
2309 |
3350 |
967 |
0 |
| VCDI |
0 |
0 |
0 |
28 |
140 |
6928 |
2686 |
0 |
|
Date: 2018-08-31:
| 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 |
15316 |
7819 |
52 |
206 |
7 |
0 |
0 |
0 |
| OW |
0 |
1301 |
56 |
314 |
59 |
4 |
0 |
0 |
| VODI |
0 |
484 |
71 |
1095 |
343 |
11 |
0 |
0 |
| ODI |
0 |
67 |
12 |
392 |
2166 |
110 |
2 |
0 |
| CDI |
0 |
14 |
2 |
113 |
2883 |
2261 |
840 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
683 |
6895 |
2288 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15316 |
8031 |
59 |
299 |
42 |
0 |
0 |
0 |
| OW |
0 |
1081 |
47 |
345 |
136 |
8 |
0 |
0 |
| VODI |
0 |
464 |
72 |
887 |
474 |
44 |
0 |
0 |
| ODI |
0 |
78 |
8 |
389 |
1384 |
93 |
20 |
0 |
| CDI |
0 |
17 |
4 |
131 |
3138 |
1987 |
1032 |
0 |
| VCDI |
0 |
14 |
3 |
69 |
967 |
7149 |
2078 |
0 |
|
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