Validation of sea ice concentration
Bulletin date: 2019-11-14
Model vs. observations, sea ice class contingency tables
Date: 2019-11-08:
| 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 |
16194 |
7882 |
770 |
384 |
189 |
115 |
64 |
0 |
| OW |
0 |
105 |
139 |
109 |
112 |
84 |
40 |
0 |
| VODI |
0 |
16 |
56 |
80 |
170 |
125 |
84 |
0 |
| ODI |
0 |
6 |
28 |
27 |
70 |
126 |
140 |
1 |
| CDI |
0 |
5 |
12 |
18 |
42 |
197 |
345 |
38 |
| VCDI |
0 |
5 |
11 |
10 |
30 |
337 |
5854 |
4139 |
|
...date precedes bulletin
|
Date: 2019-11-12:
| 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 |
16095 |
7042 |
1073 |
452 |
350 |
256 |
85 |
0 |
| OW |
0 |
14 |
176 |
157 |
153 |
183 |
62 |
0 |
| VODI |
0 |
2 |
42 |
122 |
103 |
297 |
141 |
0 |
| ODI |
0 |
1 |
20 |
38 |
27 |
166 |
175 |
0 |
| CDI |
0 |
0 |
12 |
27 |
37 |
163 |
425 |
2 |
| VCDI |
0 |
0 |
8 |
18 |
70 |
383 |
5477 |
4305 |
|
...date precedes bulletin
|
Date: 2019-11-14:
| 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 |
15473 |
7102 |
1436 |
547 |
211 |
142 |
67 |
0 |
| OW |
0 |
15 |
231 |
296 |
155 |
85 |
50 |
0 |
| VODI |
0 |
4 |
57 |
244 |
172 |
261 |
88 |
0 |
| ODI |
0 |
0 |
22 |
45 |
104 |
170 |
133 |
0 |
| CDI |
0 |
0 |
19 |
47 |
67 |
203 |
358 |
0 |
| VCDI |
0 |
0 |
17 |
41 |
86 |
432 |
5828 |
3951 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15473 |
7099 |
1467 |
596 |
212 |
145 |
73 |
0 |
| OW |
0 |
18 |
216 |
270 |
155 |
88 |
43 |
0 |
| VODI |
0 |
4 |
45 |
230 |
199 |
262 |
88 |
0 |
| ODI |
0 |
0 |
20 |
37 |
76 |
163 |
146 |
0 |
| CDI |
0 |
0 |
16 |
45 |
66 |
201 |
335 |
0 |
| VCDI |
0 |
0 |
18 |
42 |
87 |
434 |
5839 |
3951 |
|
Date: 2019-11-18:
| 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 |
15581 |
7293 |
1358 |
366 |
107 |
74 |
28 |
0 |
| OW |
0 |
24 |
202 |
315 |
143 |
70 |
31 |
0 |
| VODI |
0 |
8 |
57 |
243 |
273 |
283 |
123 |
0 |
| ODI |
0 |
1 |
18 |
108 |
148 |
355 |
315 |
0 |
| CDI |
0 |
0 |
12 |
47 |
102 |
312 |
597 |
8 |
| VCDI |
0 |
0 |
5 |
29 |
56 |
572 |
5859 |
3036 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15581 |
7271 |
1297 |
310 |
131 |
90 |
39 |
0 |
| OW |
0 |
30 |
219 |
203 |
131 |
85 |
39 |
0 |
| VODI |
0 |
12 |
82 |
276 |
212 |
261 |
124 |
0 |
| ODI |
0 |
7 |
22 |
140 |
133 |
282 |
286 |
0 |
| CDI |
0 |
5 |
18 |
74 |
97 |
302 |
480 |
8 |
| VCDI |
0 |
1 |
14 |
105 |
125 |
646 |
5985 |
3036 |
|
Date: 2019-11-20:
| 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 |
7314 |
1084 |
361 |
128 |
80 |
34 |
0 |
| OW |
0 |
58 |
355 |
239 |
96 |
77 |
20 |
0 |
| VODI |
0 |
24 |
112 |
284 |
193 |
193 |
125 |
0 |
| ODI |
0 |
6 |
28 |
144 |
179 |
286 |
245 |
0 |
| CDI |
0 |
5 |
22 |
67 |
119 |
289 |
718 |
20 |
| VCDI |
0 |
2 |
14 |
34 |
64 |
398 |
5916 |
3213 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15613 |
7268 |
1042 |
330 |
152 |
123 |
45 |
0 |
| OW |
0 |
76 |
267 |
177 |
87 |
75 |
32 |
0 |
| VODI |
0 |
28 |
180 |
256 |
180 |
218 |
155 |
0 |
| ODI |
0 |
17 |
53 |
146 |
126 |
233 |
267 |
0 |
| CDI |
0 |
13 |
36 |
99 |
106 |
230 |
558 |
7 |
| VCDI |
0 |
7 |
37 |
121 |
128 |
444 |
6001 |
3226 |
|
Date: 2019-11-22:
| 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 |
15116 |
7009 |
1213 |
478 |
297 |
177 |
56 |
0 |
| OW |
0 |
24 |
199 |
153 |
150 |
128 |
30 |
0 |
| VODI |
0 |
7 |
114 |
188 |
215 |
280 |
93 |
0 |
| ODI |
0 |
6 |
22 |
89 |
181 |
440 |
174 |
0 |
| CDI |
0 |
1 |
18 |
47 |
79 |
460 |
670 |
9 |
| VCDI |
0 |
1 |
2 |
23 |
34 |
175 |
5847 |
3954 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15116 |
6977 |
1164 |
450 |
279 |
245 |
77 |
0 |
| OW |
0 |
29 |
185 |
134 |
137 |
96 |
43 |
0 |
| VODI |
0 |
22 |
110 |
191 |
189 |
355 |
96 |
0 |
| ODI |
0 |
7 |
66 |
92 |
113 |
305 |
123 |
0 |
| CDI |
0 |
6 |
24 |
69 |
127 |
320 |
430 |
2 |
| VCDI |
0 |
7 |
19 |
42 |
111 |
339 |
6101 |
3961 |
|
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