Validation of sea ice concentration
Bulletin date: 2019-07-11
Model vs. observations, sea ice class contingency tables
Date: 2019-07-05:
| 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 |
16964 |
7195 |
1939 |
1017 |
566 |
360 |
168 |
0 |
| OW |
0 |
14 |
228 |
188 |
157 |
144 |
144 |
0 |
| VODI |
0 |
0 |
98 |
162 |
215 |
230 |
497 |
0 |
| ODI |
0 |
0 |
11 |
28 |
101 |
205 |
824 |
7 |
| CDI |
0 |
0 |
0 |
9 |
18 |
31 |
1198 |
101 |
| VCDI |
0 |
0 |
0 |
2 |
1 |
8 |
1302 |
4027 |
|
...date precedes bulletin
|
Date: 2019-07-09:
| 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 |
18082 |
7820 |
1549 |
577 |
334 |
225 |
67 |
0 |
| OW |
0 |
85 |
135 |
123 |
127 |
141 |
74 |
0 |
| VODI |
0 |
4 |
56 |
115 |
197 |
294 |
222 |
3 |
| ODI |
0 |
0 |
3 |
31 |
120 |
429 |
890 |
27 |
| CDI |
0 |
0 |
2 |
6 |
25 |
83 |
2327 |
743 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2 |
256 |
2985 |
|
...date precedes bulletin
|
Date: 2019-07-11:
| 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 |
17935 |
8147 |
1208 |
828 |
342 |
245 |
41 |
0 |
| OW |
0 |
42 |
79 |
178 |
195 |
168 |
63 |
0 |
| VODI |
0 |
0 |
16 |
128 |
290 |
349 |
304 |
0 |
| ODI |
0 |
0 |
3 |
29 |
149 |
484 |
830 |
12 |
| CDI |
0 |
0 |
1 |
8 |
28 |
264 |
1837 |
1185 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
198 |
2573 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17935 |
8149 |
1247 |
842 |
350 |
262 |
44 |
0 |
| OW |
0 |
38 |
40 |
178 |
205 |
151 |
67 |
0 |
| VODI |
0 |
2 |
16 |
115 |
280 |
359 |
324 |
0 |
| ODI |
0 |
0 |
2 |
30 |
150 |
487 |
716 |
9 |
| CDI |
0 |
0 |
2 |
6 |
19 |
251 |
1925 |
1090 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
197 |
2671 |
|
Date: 2019-07-15:
| 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 |
17675 |
7994 |
1586 |
940 |
471 |
184 |
43 |
0 |
| OW |
0 |
1 |
56 |
168 |
159 |
100 |
44 |
0 |
| VODI |
0 |
0 |
7 |
106 |
286 |
250 |
125 |
0 |
| ODI |
0 |
0 |
8 |
65 |
196 |
594 |
535 |
9 |
| CDI |
0 |
0 |
0 |
2 |
23 |
169 |
2241 |
2317 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1 |
241 |
1563 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17675 |
7993 |
1605 |
1016 |
576 |
238 |
68 |
0 |
| OW |
0 |
2 |
41 |
142 |
233 |
234 |
121 |
0 |
| VODI |
0 |
0 |
9 |
101 |
255 |
436 |
511 |
0 |
| ODI |
0 |
0 |
2 |
22 |
58 |
306 |
1095 |
72 |
| CDI |
0 |
0 |
0 |
0 |
13 |
84 |
1396 |
2414 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
38 |
1403 |
|
Date: 2019-07-17:
| 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 |
17356 |
8526 |
1618 |
1012 |
429 |
86 |
29 |
0 |
| OW |
0 |
7 |
44 |
189 |
181 |
109 |
46 |
0 |
| VODI |
0 |
0 |
9 |
119 |
321 |
351 |
163 |
1 |
| ODI |
0 |
0 |
5 |
43 |
202 |
608 |
488 |
32 |
| CDI |
0 |
0 |
0 |
10 |
27 |
139 |
2510 |
2664 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
4 |
39 |
792 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17356 |
8524 |
1607 |
1076 |
542 |
159 |
51 |
0 |
| OW |
0 |
9 |
62 |
184 |
277 |
275 |
134 |
0 |
| VODI |
0 |
0 |
5 |
91 |
259 |
538 |
509 |
9 |
| ODI |
0 |
0 |
2 |
19 |
72 |
250 |
1027 |
113 |
| CDI |
0 |
0 |
0 |
3 |
10 |
73 |
1529 |
2713 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2 |
25 |
654 |
|
Date: 2019-07-19:
| 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 |
17182 |
9054 |
1653 |
898 |
333 |
82 |
16 |
0 |
| OW |
0 |
50 |
95 |
178 |
167 |
117 |
37 |
0 |
| VODI |
0 |
7 |
37 |
169 |
312 |
423 |
185 |
0 |
| ODI |
0 |
0 |
10 |
59 |
214 |
549 |
575 |
0 |
| CDI |
0 |
0 |
2 |
12 |
49 |
211 |
2964 |
2042 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
4 |
24 |
449 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17182 |
9019 |
1670 |
982 |
452 |
205 |
64 |
0 |
| OW |
0 |
77 |
92 |
168 |
231 |
271 |
118 |
0 |
| VODI |
0 |
15 |
29 |
111 |
272 |
521 |
634 |
0 |
| ODI |
0 |
0 |
4 |
44 |
85 |
256 |
910 |
21 |
| CDI |
0 |
0 |
2 |
11 |
35 |
131 |
2054 |
2290 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2 |
21 |
180 |
|
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