Validation of sea ice concentration
Bulletin date: 2017-06-15
Model vs. observations, sea ice class contingency tables
Date: 2017-06-09:
| 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 |
15462 |
6510 |
1086 |
601 |
183 |
71 |
46 |
0 |
| OW |
0 |
47 |
179 |
277 |
171 |
79 |
96 |
6 |
| VODI |
0 |
12 |
168 |
260 |
186 |
154 |
219 |
0 |
| ODI |
0 |
0 |
68 |
149 |
142 |
137 |
498 |
0 |
| CDI |
0 |
0 |
48 |
124 |
268 |
444 |
2404 |
47 |
| VCDI |
0 |
0 |
3 |
31 |
40 |
138 |
4036 |
3769 |
|
...date precedes bulletin
|
Date: 2017-06-13:
| 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 |
15613 |
6173 |
1483 |
920 |
248 |
80 |
65 |
0 |
| OW |
0 |
22 |
182 |
253 |
196 |
56 |
58 |
0 |
| VODI |
0 |
5 |
65 |
228 |
248 |
170 |
155 |
0 |
| ODI |
0 |
0 |
25 |
207 |
268 |
353 |
644 |
0 |
| CDI |
0 |
0 |
13 |
82 |
134 |
363 |
2699 |
0 |
| VCDI |
0 |
0 |
0 |
18 |
21 |
72 |
3713 |
3327 |
|
...date precedes bulletin
|
Date: 2017-06-15:
| 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 |
15521 |
6174 |
1543 |
1100 |
280 |
79 |
74 |
0 |
| OW |
0 |
7 |
156 |
255 |
181 |
93 |
60 |
0 |
| VODI |
0 |
1 |
77 |
206 |
273 |
206 |
197 |
0 |
| ODI |
0 |
0 |
28 |
173 |
258 |
322 |
803 |
0 |
| CDI |
0 |
0 |
19 |
114 |
165 |
428 |
2514 |
0 |
| VCDI |
0 |
0 |
0 |
21 |
25 |
85 |
3503 |
3218 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15521 |
6175 |
1564 |
1130 |
306 |
86 |
76 |
0 |
| OW |
0 |
6 |
126 |
221 |
166 |
74 |
59 |
0 |
| VODI |
0 |
1 |
72 |
210 |
240 |
216 |
221 |
0 |
| ODI |
0 |
0 |
33 |
161 |
264 |
325 |
822 |
0 |
| CDI |
0 |
0 |
28 |
128 |
181 |
427 |
2464 |
0 |
| VCDI |
0 |
0 |
0 |
19 |
25 |
85 |
3509 |
3218 |
|
Date: 2017-06-19:
| 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 |
15517 |
6295 |
1603 |
995 |
478 |
177 |
76 |
9 |
| OW |
0 |
6 |
110 |
223 |
176 |
71 |
41 |
0 |
| VODI |
0 |
0 |
21 |
215 |
308 |
279 |
173 |
0 |
| ODI |
0 |
0 |
2 |
62 |
157 |
460 |
800 |
0 |
| CDI |
0 |
0 |
1 |
31 |
100 |
307 |
2637 |
1 |
| VCDI |
0 |
0 |
0 |
10 |
26 |
87 |
2993 |
3712 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15517 |
6297 |
1557 |
1004 |
480 |
218 |
99 |
9 |
| OW |
0 |
4 |
103 |
193 |
207 |
97 |
129 |
0 |
| VODI |
0 |
0 |
59 |
168 |
247 |
318 |
469 |
0 |
| ODI |
0 |
0 |
16 |
78 |
130 |
291 |
877 |
0 |
| CDI |
0 |
0 |
2 |
76 |
140 |
342 |
2797 |
72 |
| VCDI |
0 |
0 |
0 |
17 |
41 |
115 |
2349 |
3641 |
|
Date: 2017-06-21:
| 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 |
15065 |
6449 |
2203 |
1148 |
346 |
111 |
89 |
0 |
| OW |
0 |
0 |
102 |
225 |
174 |
122 |
51 |
0 |
| VODI |
0 |
0 |
20 |
142 |
218 |
362 |
251 |
0 |
| ODI |
0 |
0 |
6 |
49 |
128 |
515 |
763 |
0 |
| CDI |
0 |
0 |
3 |
47 |
88 |
330 |
2633 |
1 |
| VCDI |
0 |
0 |
3 |
20 |
40 |
73 |
2607 |
3775 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15065 |
6449 |
2099 |
1142 |
352 |
158 |
139 |
0 |
| OW |
0 |
0 |
128 |
173 |
168 |
187 |
188 |
0 |
| VODI |
0 |
0 |
70 |
167 |
201 |
360 |
472 |
0 |
| ODI |
0 |
0 |
26 |
47 |
101 |
381 |
813 |
0 |
| CDI |
0 |
0 |
9 |
80 |
114 |
304 |
2595 |
140 |
| VCDI |
0 |
0 |
5 |
22 |
58 |
123 |
2187 |
3636 |
|
Date: 2017-06-23:
| 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 |
15453 |
5952 |
2477 |
1106 |
413 |
126 |
79 |
0 |
| OW |
0 |
5 |
160 |
249 |
152 |
143 |
57 |
0 |
| VODI |
0 |
0 |
56 |
118 |
177 |
350 |
378 |
0 |
| ODI |
0 |
0 |
1 |
44 |
92 |
408 |
862 |
0 |
| CDI |
0 |
0 |
3 |
50 |
85 |
236 |
2440 |
1 |
| VCDI |
0 |
0 |
2 |
7 |
15 |
62 |
2136 |
4264 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15453 |
5951 |
2418 |
1115 |
405 |
168 |
189 |
0 |
| OW |
0 |
6 |
170 |
171 |
125 |
156 |
218 |
0 |
| VODI |
0 |
0 |
93 |
135 |
152 |
340 |
550 |
0 |
| ODI |
0 |
0 |
13 |
59 |
110 |
339 |
997 |
0 |
| CDI |
0 |
0 |
0 |
82 |
128 |
250 |
2206 |
209 |
| VCDI |
0 |
0 |
5 |
12 |
14 |
72 |
1792 |
4056 |
|
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