Validation of sea ice concentration
Bulletin date: 2019-06-27
Model vs. observations, sea ice class contingency tables
Date: 2019-06-21:
| 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 |
15507 |
5927 |
1609 |
1254 |
670 |
287 |
233 |
0 |
| OW |
0 |
1 |
76 |
288 |
310 |
239 |
200 |
0 |
| VODI |
0 |
0 |
17 |
142 |
228 |
768 |
850 |
0 |
| ODI |
0 |
0 |
9 |
29 |
65 |
252 |
1304 |
0 |
| CDI |
0 |
0 |
13 |
62 |
68 |
94 |
1337 |
1 |
| VCDI |
0 |
0 |
0 |
3 |
10 |
24 |
2561 |
3721 |
|
...date precedes bulletin
|
Date: 2019-06-25:
| 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 |
15368 |
6387 |
1198 |
2153 |
556 |
190 |
173 |
0 |
| OW |
0 |
27 |
67 |
400 |
327 |
246 |
134 |
0 |
| VODI |
0 |
1 |
78 |
192 |
415 |
666 |
363 |
0 |
| ODI |
0 |
0 |
17 |
65 |
139 |
612 |
931 |
0 |
| CDI |
0 |
0 |
11 |
49 |
55 |
115 |
1461 |
73 |
| VCDI |
0 |
0 |
0 |
4 |
8 |
30 |
1974 |
3674 |
|
...date precedes bulletin
|
Date: 2019-06-27:
| 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 |
14790 |
6442 |
1752 |
2087 |
758 |
347 |
207 |
0 |
| OW |
0 |
1 |
133 |
252 |
391 |
435 |
214 |
0 |
| VODI |
0 |
0 |
49 |
88 |
234 |
694 |
616 |
0 |
| ODI |
0 |
0 |
22 |
55 |
84 |
227 |
1073 |
0 |
| CDI |
0 |
0 |
26 |
19 |
13 |
77 |
1134 |
29 |
| VCDI |
0 |
0 |
0 |
4 |
6 |
36 |
1925 |
3939 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14790 |
6443 |
1781 |
2119 |
774 |
390 |
224 |
0 |
| OW |
0 |
0 |
106 |
212 |
322 |
328 |
199 |
0 |
| VODI |
0 |
0 |
44 |
91 |
289 |
747 |
591 |
0 |
| ODI |
0 |
0 |
17 |
53 |
75 |
230 |
1077 |
0 |
| CDI |
0 |
0 |
34 |
27 |
19 |
82 |
1123 |
29 |
| VCDI |
0 |
0 |
0 |
3 |
7 |
39 |
1955 |
3939 |
|
Date: 2019-07-01:
| 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 |
17030 |
7668 |
304 |
1452 |
437 |
280 |
184 |
6 |
| OW |
0 |
105 |
40 |
227 |
215 |
257 |
180 |
4 |
| VODI |
0 |
13 |
15 |
157 |
221 |
317 |
342 |
2 |
| ODI |
0 |
0 |
0 |
82 |
104 |
216 |
1144 |
0 |
| CDI |
0 |
0 |
1 |
7 |
7 |
22 |
1240 |
4 |
| VCDI |
0 |
0 |
3 |
3 |
5 |
6 |
1713 |
4146 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17030 |
7639 |
291 |
1434 |
506 |
435 |
312 |
10 |
| OW |
0 |
114 |
49 |
219 |
198 |
285 |
331 |
1 |
| VODI |
0 |
33 |
17 |
152 |
210 |
251 |
702 |
1 |
| ODI |
0 |
0 |
3 |
91 |
57 |
85 |
747 |
1 |
| CDI |
0 |
0 |
0 |
29 |
13 |
36 |
1142 |
4 |
| VCDI |
0 |
0 |
3 |
3 |
5 |
6 |
1569 |
4145 |
|
Date: 2019-07-03:
| 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 |
16318 |
7281 |
1974 |
1316 |
569 |
348 |
152 |
0 |
| OW |
0 |
11 |
191 |
185 |
173 |
210 |
127 |
0 |
| VODI |
0 |
0 |
65 |
213 |
208 |
277 |
316 |
0 |
| ODI |
0 |
0 |
3 |
53 |
117 |
327 |
863 |
1 |
| CDI |
0 |
0 |
0 |
7 |
18 |
34 |
1085 |
26 |
| VCDI |
0 |
0 |
0 |
4 |
5 |
15 |
1639 |
4028 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16318 |
7267 |
1915 |
1313 |
642 |
485 |
243 |
0 |
| OW |
0 |
23 |
184 |
214 |
168 |
217 |
294 |
0 |
| VODI |
0 |
2 |
99 |
155 |
178 |
246 |
519 |
0 |
| ODI |
0 |
0 |
19 |
68 |
76 |
202 |
507 |
0 |
| CDI |
0 |
0 |
16 |
26 |
21 |
48 |
1257 |
4 |
| VCDI |
0 |
0 |
0 |
2 |
5 |
13 |
1362 |
4051 |
|
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 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16964 |
7184 |
1860 |
1052 |
632 |
487 |
337 |
0 |
| OW |
0 |
24 |
248 |
176 |
169 |
130 |
335 |
0 |
| VODI |
0 |
1 |
118 |
99 |
158 |
168 |
542 |
0 |
| ODI |
0 |
0 |
21 |
59 |
74 |
134 |
463 |
0 |
| CDI |
0 |
0 |
29 |
18 |
24 |
52 |
1351 |
56 |
| VCDI |
0 |
0 |
0 |
2 |
1 |
7 |
1105 |
4079 |
|
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