Validation of sea ice concentration
Bulletin date: 2014-07-17
Model vs. observations, sea ice class contingency tables
Date: 2014-07-11:
| 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 |
18861 |
4823 |
1571 |
1158 |
159 |
113 |
48 |
0 |
| OW |
0 |
7 |
166 |
765 |
194 |
67 |
39 |
0 |
| VODI |
0 |
1 |
65 |
492 |
617 |
243 |
28 |
0 |
| ODI |
0 |
0 |
19 |
202 |
305 |
297 |
125 |
0 |
| CDI |
0 |
0 |
2 |
107 |
288 |
702 |
503 |
0 |
| VCDI |
0 |
0 |
0 |
10 |
18 |
439 |
2267 |
2366 |
|
...date precedes bulletin
|
Date: 2014-07-15:
| 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 |
18660 |
4894 |
2108 |
1304 |
268 |
160 |
58 |
0 |
| OW |
0 |
3 |
103 |
405 |
249 |
156 |
29 |
0 |
| VODI |
0 |
2 |
40 |
383 |
579 |
158 |
14 |
0 |
| ODI |
0 |
1 |
8 |
130 |
462 |
144 |
47 |
0 |
| CDI |
0 |
0 |
4 |
91 |
340 |
917 |
1573 |
447 |
| VCDI |
0 |
0 |
0 |
3 |
21 |
336 |
1170 |
1800 |
|
...date precedes bulletin
|
Date: 2014-07-17:
| 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 |
18780 |
5025 |
2179 |
1426 |
212 |
143 |
60 |
0 |
| OW |
0 |
0 |
87 |
603 |
232 |
47 |
22 |
0 |
| VODI |
0 |
0 |
26 |
410 |
456 |
77 |
23 |
0 |
| ODI |
0 |
0 |
9 |
108 |
343 |
150 |
91 |
0 |
| CDI |
0 |
0 |
0 |
57 |
309 |
664 |
1703 |
845 |
| VCDI |
0 |
0 |
0 |
1 |
44 |
100 |
1177 |
1658 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
18780 |
5010 |
1871 |
1512 |
512 |
178 |
75 |
0 |
| OW |
0 |
15 |
252 |
298 |
237 |
95 |
12 |
0 |
| VODI |
0 |
0 |
124 |
451 |
247 |
100 |
73 |
0 |
| ODI |
0 |
0 |
52 |
180 |
331 |
213 |
247 |
0 |
| CDI |
0 |
0 |
2 |
164 |
261 |
560 |
2246 |
1369 |
| VCDI |
0 |
0 |
0 |
0 |
8 |
35 |
423 |
1134 |
|
Date: 2014-07-21:
| 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 |
18968 |
5088 |
2339 |
1568 |
213 |
117 |
63 |
0 |
| OW |
0 |
3 |
74 |
373 |
220 |
35 |
21 |
0 |
| VODI |
0 |
0 |
14 |
410 |
458 |
90 |
37 |
0 |
| ODI |
0 |
0 |
0 |
99 |
410 |
231 |
161 |
0 |
| CDI |
0 |
0 |
0 |
2 |
235 |
812 |
2702 |
1006 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
46 |
270 |
1000 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
18968 |
5077 |
2113 |
1555 |
598 |
195 |
83 |
0 |
| OW |
0 |
14 |
212 |
273 |
162 |
85 |
24 |
0 |
| VODI |
0 |
0 |
81 |
323 |
223 |
93 |
148 |
0 |
| ODI |
0 |
0 |
21 |
157 |
262 |
243 |
296 |
0 |
| CDI |
0 |
0 |
0 |
144 |
291 |
653 |
2489 |
1234 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
62 |
214 |
772 |
|
Date: 2014-07-23:
| 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 |
18684 |
5271 |
2477 |
1794 |
234 |
131 |
66 |
0 |
| OW |
0 |
3 |
71 |
354 |
279 |
55 |
20 |
0 |
| VODI |
0 |
0 |
29 |
275 |
402 |
94 |
60 |
0 |
| ODI |
0 |
0 |
2 |
64 |
407 |
203 |
179 |
4 |
| CDI |
0 |
0 |
0 |
3 |
203 |
969 |
2361 |
1474 |
| VCDI |
0 |
0 |
0 |
0 |
5 |
146 |
193 |
555 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
18684 |
5257 |
2232 |
1787 |
531 |
201 |
74 |
0 |
| OW |
0 |
17 |
200 |
237 |
153 |
77 |
38 |
0 |
| VODI |
0 |
0 |
86 |
254 |
262 |
91 |
177 |
0 |
| ODI |
0 |
0 |
39 |
93 |
332 |
265 |
257 |
0 |
| CDI |
0 |
0 |
22 |
119 |
248 |
801 |
2173 |
1577 |
| VCDI |
0 |
0 |
0 |
0 |
4 |
163 |
160 |
456 |
|
Date: 2014-07-25:
| 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 |
18618 |
5127 |
3305 |
1413 |
225 |
145 |
65 |
0 |
| OW |
0 |
21 |
102 |
359 |
208 |
45 |
14 |
0 |
| VODI |
0 |
44 |
40 |
308 |
262 |
73 |
33 |
0 |
| ODI |
0 |
72 |
15 |
95 |
270 |
191 |
228 |
3 |
| CDI |
0 |
387 |
30 |
71 |
177 |
526 |
2375 |
1258 |
| VCDI |
0 |
35 |
6 |
7 |
8 |
11 |
226 |
669 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
18618 |
5112 |
2941 |
1422 |
509 |
228 |
69 |
0 |
| OW |
0 |
21 |
296 |
198 |
123 |
44 |
38 |
0 |
| VODI |
0 |
48 |
109 |
287 |
139 |
68 |
208 |
0 |
| ODI |
0 |
72 |
90 |
163 |
167 |
223 |
215 |
1 |
| CDI |
0 |
312 |
47 |
167 |
191 |
413 |
2240 |
1685 |
| VCDI |
0 |
121 |
15 |
16 |
21 |
15 |
171 |
244 |
|
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