Validation of sea ice concentration
Bulletin date: 2019-08-08
Model vs. observations, sea ice class contingency tables
Date: 2019-08-02:
| 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 |
20278 |
7132 |
1572 |
605 |
176 |
27 |
4 |
0 |
| OW |
0 |
1 |
144 |
267 |
186 |
61 |
19 |
0 |
| VODI |
0 |
0 |
61 |
377 |
407 |
264 |
130 |
0 |
| ODI |
0 |
0 |
17 |
106 |
116 |
278 |
572 |
0 |
| CDI |
0 |
0 |
8 |
9 |
19 |
135 |
2341 |
1127 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
0 |
446 |
1273 |
|
...date precedes bulletin
|
Date: 2019-08-06:
| 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 |
19637 |
7862 |
1764 |
627 |
149 |
19 |
3 |
0 |
| OW |
0 |
0 |
96 |
234 |
170 |
81 |
19 |
0 |
| VODI |
0 |
1 |
56 |
240 |
313 |
239 |
98 |
0 |
| ODI |
0 |
0 |
19 |
69 |
170 |
291 |
489 |
0 |
| CDI |
0 |
0 |
5 |
9 |
12 |
167 |
2424 |
1504 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2 |
515 |
875 |
|
...date precedes bulletin
|
Date: 2019-08-08:
| 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 |
20618 |
6956 |
1906 |
480 |
168 |
19 |
4 |
0 |
| OW |
0 |
2 |
125 |
213 |
146 |
79 |
15 |
0 |
| VODI |
0 |
0 |
69 |
259 |
282 |
223 |
115 |
0 |
| ODI |
0 |
0 |
19 |
85 |
148 |
258 |
668 |
0 |
| CDI |
0 |
0 |
6 |
3 |
17 |
61 |
2467 |
2068 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
2 |
268 |
408 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
20618 |
6954 |
1909 |
514 |
195 |
32 |
5 |
0 |
| OW |
0 |
4 |
118 |
177 |
112 |
68 |
19 |
0 |
| VODI |
0 |
0 |
75 |
252 |
285 |
216 |
111 |
0 |
| ODI |
0 |
0 |
17 |
88 |
145 |
223 |
678 |
0 |
| CDI |
0 |
0 |
6 |
9 |
23 |
100 |
2228 |
1998 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
3 |
496 |
478 |
|
Date: 2019-08-12:
| 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 |
22910 |
5094 |
1550 |
444 |
217 |
61 |
7 |
0 |
| OW |
0 |
4 |
93 |
158 |
118 |
52 |
15 |
0 |
| VODI |
0 |
0 |
45 |
207 |
267 |
202 |
43 |
0 |
| ODI |
0 |
0 |
16 |
60 |
191 |
305 |
363 |
0 |
| CDI |
0 |
0 |
4 |
7 |
24 |
166 |
2007 |
784 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
20 |
1013 |
1711 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
22910 |
5088 |
1468 |
434 |
265 |
95 |
12 |
0 |
| OW |
0 |
10 |
136 |
133 |
119 |
93 |
22 |
0 |
| VODI |
0 |
0 |
81 |
185 |
258 |
234 |
127 |
0 |
| ODI |
0 |
0 |
18 |
97 |
126 |
248 |
744 |
0 |
| CDI |
0 |
0 |
5 |
27 |
50 |
130 |
2121 |
2469 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
6 |
422 |
26 |
|
Date: 2019-08-14:
| 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 |
23073 |
5153 |
1437 |
479 |
159 |
30 |
7 |
0 |
| OW |
0 |
0 |
74 |
224 |
122 |
35 |
18 |
0 |
| VODI |
0 |
0 |
33 |
224 |
266 |
170 |
69 |
0 |
| ODI |
0 |
0 |
12 |
33 |
99 |
265 |
453 |
0 |
| CDI |
0 |
0 |
3 |
8 |
28 |
99 |
2193 |
619 |
| VCDI |
0 |
0 |
0 |
1 |
1 |
2 |
919 |
1851 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23073 |
5151 |
1332 |
457 |
191 |
41 |
6 |
0 |
| OW |
0 |
2 |
136 |
200 |
126 |
65 |
32 |
0 |
| VODI |
0 |
0 |
72 |
239 |
207 |
197 |
128 |
0 |
| ODI |
0 |
0 |
15 |
59 |
112 |
212 |
831 |
0 |
| CDI |
0 |
0 |
4 |
13 |
38 |
84 |
2424 |
2470 |
| VCDI |
0 |
0 |
0 |
1 |
1 |
2 |
238 |
0 |
|
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 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23032 |
5224 |
1212 |
566 |
157 |
105 |
9 |
0 |
| OW |
0 |
42 |
115 |
197 |
141 |
80 |
28 |
0 |
| VODI |
0 |
25 |
100 |
206 |
213 |
171 |
133 |
0 |
| ODI |
0 |
5 |
33 |
47 |
68 |
216 |
777 |
0 |
| CDI |
0 |
0 |
16 |
25 |
41 |
72 |
2457 |
2493 |
| VCDI |
0 |
0 |
0 |
1 |
1 |
3 |
148 |
0 |
|
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