Validation of sea ice concentration
Bulletin date: 2013-06-06
Model vs. observations, sea ice class contingency tables
Date: 2013-05-31:
| 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 |
16230 |
5778 |
405 |
418 |
116 |
20 |
1 |
0 |
| OW |
2 |
16 |
192 |
248 |
371 |
141 |
56 |
0 |
| VODI |
2 |
6 |
105 |
212 |
347 |
468 |
337 |
0 |
| ODI |
0 |
5 |
11 |
67 |
175 |
544 |
662 |
0 |
| CDI |
0 |
0 |
36 |
76 |
156 |
444 |
2595 |
20 |
| VCDI |
0 |
0 |
5 |
25 |
28 |
58 |
2932 |
4109 |
|
...date precedes bulletin
|
Date: 2013-06-04:
| 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 |
16389 |
5911 |
552 |
476 |
123 |
11 |
3 |
0 |
| OW |
2 |
18 |
143 |
385 |
310 |
76 |
43 |
0 |
| VODI |
0 |
5 |
74 |
265 |
419 |
359 |
233 |
0 |
| ODI |
0 |
0 |
13 |
85 |
170 |
634 |
943 |
0 |
| CDI |
0 |
0 |
18 |
69 |
147 |
310 |
3482 |
325 |
| VCDI |
0 |
0 |
0 |
1 |
20 |
68 |
2047 |
3290 |
|
...date precedes bulletin
|
Date: 2013-06-06:
| 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 |
16562 |
5682 |
584 |
553 |
186 |
71 |
40 |
0 |
| OW |
2 |
16 |
156 |
343 |
333 |
159 |
108 |
0 |
| VODI |
0 |
2 |
87 |
223 |
357 |
576 |
344 |
0 |
| ODI |
0 |
0 |
30 |
86 |
188 |
756 |
898 |
0 |
| CDI |
0 |
0 |
20 |
60 |
137 |
310 |
3069 |
429 |
| VCDI |
0 |
0 |
0 |
5 |
33 |
44 |
2039 |
2931 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16564 |
5690 |
735 |
904 |
550 |
361 |
186 |
0 |
| OW |
0 |
3 |
33 |
75 |
99 |
147 |
100 |
0 |
| VODI |
0 |
3 |
41 |
89 |
155 |
215 |
206 |
0 |
| ODI |
0 |
2 |
39 |
94 |
193 |
522 |
585 |
0 |
| CDI |
0 |
2 |
21 |
82 |
184 |
616 |
3236 |
319 |
| VCDI |
0 |
0 |
8 |
26 |
53 |
55 |
2185 |
3041 |
|
Date: 2013-06-10:
| 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 |
16612 |
5161 |
956 |
799 |
133 |
10 |
5 |
0 |
| OW |
0 |
37 |
203 |
527 |
260 |
42 |
64 |
0 |
| VODI |
0 |
22 |
44 |
360 |
566 |
313 |
137 |
0 |
| ODI |
0 |
6 |
12 |
150 |
515 |
838 |
474 |
0 |
| CDI |
0 |
2 |
3 |
49 |
151 |
579 |
1698 |
1532 |
| VCDI |
0 |
0 |
0 |
0 |
20 |
103 |
3000 |
2036 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16612 |
5194 |
1163 |
1467 |
780 |
337 |
229 |
0 |
| OW |
0 |
12 |
23 |
96 |
96 |
88 |
97 |
0 |
| VODI |
0 |
8 |
14 |
95 |
172 |
185 |
167 |
1 |
| ODI |
0 |
7 |
8 |
97 |
311 |
668 |
384 |
4 |
| CDI |
0 |
6 |
9 |
117 |
238 |
540 |
2552 |
1353 |
| VCDI |
0 |
1 |
1 |
13 |
48 |
67 |
1949 |
2210 |
|
Date: 2013-06-12:
| 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 |
16701 |
5073 |
1224 |
957 |
107 |
10 |
6 |
0 |
| OW |
0 |
39 |
150 |
437 |
261 |
125 |
81 |
0 |
| VODI |
0 |
15 |
64 |
313 |
483 |
376 |
266 |
0 |
| ODI |
0 |
8 |
30 |
210 |
452 |
623 |
346 |
2 |
| CDI |
0 |
0 |
21 |
109 |
276 |
571 |
1746 |
1446 |
| VCDI |
0 |
0 |
0 |
1 |
23 |
67 |
2770 |
2030 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16701 |
5107 |
1375 |
1508 |
628 |
384 |
318 |
0 |
| OW |
0 |
13 |
33 |
78 |
89 |
83 |
97 |
0 |
| VODI |
0 |
7 |
27 |
118 |
177 |
174 |
152 |
5 |
| ODI |
0 |
3 |
27 |
141 |
380 |
555 |
298 |
5 |
| CDI |
0 |
4 |
27 |
178 |
310 |
549 |
2479 |
1401 |
| VCDI |
0 |
1 |
0 |
4 |
18 |
27 |
1871 |
2067 |
|
Date: 2013-06-14:
| 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 |
16343 |
5172 |
1315 |
1107 |
225 |
21 |
12 |
0 |
| OW |
0 |
17 |
119 |
380 |
372 |
146 |
87 |
0 |
| VODI |
0 |
6 |
52 |
303 |
561 |
519 |
255 |
0 |
| ODI |
0 |
5 |
23 |
177 |
425 |
525 |
398 |
0 |
| CDI |
0 |
1 |
9 |
96 |
259 |
871 |
2414 |
747 |
| VCDI |
0 |
0 |
0 |
0 |
28 |
107 |
2234 |
2088 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16343 |
5183 |
1454 |
1609 |
886 |
427 |
388 |
0 |
| OW |
0 |
6 |
20 |
70 |
126 |
101 |
84 |
0 |
| VODI |
0 |
6 |
18 |
97 |
211 |
230 |
152 |
0 |
| ODI |
0 |
2 |
11 |
104 |
310 |
572 |
261 |
1 |
| CDI |
0 |
3 |
15 |
129 |
289 |
807 |
2650 |
766 |
| VCDI |
0 |
1 |
0 |
54 |
48 |
52 |
1865 |
2068 |
|
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