Validation of sea ice concentration
Bulletin date: 2019-08-22
Model vs. observations, sea ice class contingency tables
Date: 2019-08-16:
| 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 |
23032 |
5295 |
1290 |
550 |
141 |
54 |
0 |
0 |
| OW |
0 |
1 |
104 |
247 |
131 |
61 |
12 |
0 |
| VODI |
0 |
0 |
72 |
205 |
234 |
181 |
75 |
0 |
| ODI |
0 |
0 |
7 |
34 |
90 |
268 |
418 |
0 |
| CDI |
0 |
0 |
3 |
4 |
22 |
71 |
2122 |
687 |
| VCDI |
0 |
0 |
0 |
2 |
3 |
12 |
925 |
1806 |
|
...date precedes bulletin
|
Date: 2019-08-20:
| 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 |
23013 |
5422 |
1386 |
490 |
161 |
32 |
2 |
0 |
| OW |
0 |
2 |
105 |
257 |
111 |
51 |
13 |
0 |
| VODI |
0 |
0 |
49 |
242 |
244 |
134 |
72 |
0 |
| ODI |
0 |
0 |
6 |
53 |
85 |
183 |
436 |
0 |
| CDI |
0 |
0 |
3 |
5 |
22 |
77 |
1704 |
665 |
| VCDI |
0 |
0 |
0 |
0 |
4 |
5 |
795 |
2330 |
|
...date precedes bulletin
|
Date: 2019-08-22:
| 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 |
23361 |
5240 |
1330 |
435 |
142 |
38 |
3 |
0 |
| OW |
0 |
0 |
183 |
275 |
99 |
30 |
12 |
0 |
| VODI |
0 |
0 |
51 |
270 |
208 |
120 |
65 |
0 |
| ODI |
0 |
0 |
5 |
55 |
95 |
171 |
362 |
0 |
| CDI |
0 |
0 |
5 |
2 |
31 |
154 |
2084 |
429 |
| VCDI |
0 |
0 |
0 |
0 |
4 |
5 |
740 |
2155 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23361 |
5237 |
1368 |
498 |
170 |
43 |
7 |
0 |
| OW |
0 |
3 |
138 |
205 |
86 |
37 |
7 |
0 |
| VODI |
0 |
0 |
58 |
274 |
185 |
117 |
80 |
0 |
| ODI |
0 |
0 |
7 |
58 |
96 |
150 |
321 |
0 |
| CDI |
0 |
0 |
3 |
2 |
38 |
166 |
2092 |
440 |
| VCDI |
0 |
0 |
0 |
0 |
4 |
5 |
759 |
2144 |
|
Date: 2019-08-26:
| 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 |
23757 |
4827 |
1502 |
438 |
141 |
33 |
6 |
0 |
| OW |
0 |
6 |
170 |
265 |
108 |
45 |
4 |
0 |
| VODI |
0 |
2 |
91 |
247 |
191 |
192 |
33 |
0 |
| ODI |
0 |
0 |
15 |
56 |
130 |
267 |
246 |
0 |
| CDI |
0 |
0 |
0 |
7 |
50 |
407 |
2344 |
501 |
| VCDI |
0 |
0 |
0 |
1 |
6 |
7 |
686 |
1378 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23757 |
4828 |
1477 |
447 |
147 |
36 |
6 |
0 |
| OW |
0 |
6 |
186 |
256 |
94 |
49 |
4 |
0 |
| VODI |
0 |
1 |
102 |
239 |
189 |
178 |
26 |
0 |
| ODI |
0 |
0 |
11 |
65 |
132 |
252 |
261 |
0 |
| CDI |
0 |
0 |
2 |
6 |
58 |
426 |
2166 |
646 |
| VCDI |
0 |
0 |
0 |
1 |
6 |
10 |
856 |
1233 |
|
Date: 2019-08-28:
| 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 |
24022 |
4924 |
1248 |
560 |
128 |
3 |
3 |
0 |
| OW |
0 |
25 |
111 |
318 |
132 |
28 |
5 |
0 |
| VODI |
0 |
18 |
63 |
248 |
202 |
145 |
39 |
0 |
| ODI |
0 |
2 |
10 |
78 |
123 |
287 |
218 |
0 |
| CDI |
0 |
0 |
1 |
9 |
37 |
388 |
2614 |
430 |
| VCDI |
0 |
0 |
0 |
1 |
1 |
8 |
423 |
1307 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24022 |
4917 |
1194 |
497 |
103 |
4 |
3 |
0 |
| OW |
0 |
35 |
146 |
278 |
142 |
20 |
3 |
0 |
| VODI |
0 |
14 |
80 |
316 |
184 |
147 |
34 |
0 |
| ODI |
0 |
3 |
12 |
103 |
144 |
268 |
210 |
0 |
| CDI |
0 |
0 |
1 |
19 |
49 |
413 |
2409 |
566 |
| VCDI |
0 |
0 |
0 |
1 |
1 |
7 |
643 |
1171 |
|
Date: 2019-08-30:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
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