Validation of sea ice concentration
Bulletin date: 2021-01-07
Model vs. observations, sea ice class contingency tables
Date: 2021-01-01:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2021-01-05:
| 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 |
14629 |
6905 |
1368 |
335 |
122 |
39 |
25 |
0 |
| OW |
0 |
96 |
350 |
224 |
122 |
53 |
39 |
0 |
| VODI |
0 |
19 |
182 |
288 |
179 |
125 |
78 |
0 |
| ODI |
0 |
3 |
105 |
154 |
133 |
328 |
130 |
0 |
| CDI |
0 |
0 |
108 |
116 |
125 |
402 |
567 |
24 |
| VCDI |
0 |
0 |
115 |
208 |
254 |
669 |
5511 |
4029 |
|
...date precedes bulletin
|
Date: 2021-01-07:
| 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 |
14501 |
6795 |
1066 |
473 |
137 |
24 |
1 |
0 |
| OW |
0 |
158 |
308 |
329 |
99 |
65 |
9 |
0 |
| VODI |
0 |
107 |
242 |
460 |
227 |
120 |
31 |
0 |
| ODI |
0 |
23 |
182 |
254 |
250 |
159 |
84 |
0 |
| CDI |
0 |
16 |
127 |
238 |
230 |
214 |
394 |
17 |
| VCDI |
0 |
32 |
69 |
168 |
375 |
548 |
5152 |
4475 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14501 |
6828 |
1103 |
479 |
146 |
43 |
3 |
0 |
| OW |
0 |
129 |
278 |
310 |
94 |
46 |
8 |
0 |
| VODI |
0 |
91 |
230 |
473 |
215 |
126 |
34 |
0 |
| ODI |
0 |
30 |
159 |
254 |
257 |
162 |
95 |
0 |
| CDI |
0 |
25 |
163 |
215 |
207 |
208 |
402 |
15 |
| VCDI |
0 |
28 |
61 |
191 |
399 |
545 |
5129 |
4477 |
|
Date: 2021-01-11:
| 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 |
14248 |
6824 |
1271 |
599 |
298 |
80 |
7 |
0 |
| OW |
0 |
22 |
161 |
182 |
204 |
102 |
11 |
0 |
| VODI |
0 |
14 |
155 |
217 |
366 |
300 |
51 |
0 |
| ODI |
0 |
10 |
57 |
129 |
303 |
455 |
200 |
0 |
| CDI |
0 |
8 |
62 |
96 |
177 |
377 |
614 |
4 |
| VCDI |
0 |
0 |
47 |
130 |
235 |
442 |
5534 |
4167 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14248 |
6596 |
983 |
482 |
250 |
79 |
5 |
0 |
| OW |
0 |
124 |
186 |
164 |
173 |
155 |
16 |
0 |
| VODI |
0 |
107 |
200 |
226 |
277 |
256 |
54 |
0 |
| ODI |
0 |
19 |
127 |
131 |
257 |
310 |
153 |
0 |
| CDI |
0 |
21 |
135 |
117 |
225 |
281 |
426 |
4 |
| VCDI |
0 |
11 |
122 |
233 |
401 |
675 |
5763 |
4167 |
|
Date: 2021-01-13:
| 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 |
13947 |
6610 |
1236 |
616 |
453 |
131 |
2 |
0 |
| OW |
0 |
55 |
168 |
233 |
208 |
121 |
10 |
0 |
| VODI |
0 |
22 |
115 |
434 |
356 |
222 |
24 |
0 |
| ODI |
0 |
2 |
68 |
170 |
355 |
297 |
93 |
1 |
| CDI |
0 |
0 |
41 |
120 |
173 |
380 |
480 |
7 |
| VCDI |
0 |
0 |
11 |
76 |
207 |
553 |
5900 |
4262 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13947 |
6501 |
1036 |
466 |
270 |
74 |
3 |
0 |
| OW |
0 |
105 |
176 |
210 |
212 |
106 |
5 |
0 |
| VODI |
0 |
57 |
153 |
340 |
322 |
211 |
37 |
0 |
| ODI |
0 |
17 |
121 |
236 |
278 |
210 |
97 |
2 |
| CDI |
0 |
9 |
90 |
159 |
282 |
290 |
387 |
4 |
| VCDI |
0 |
0 |
63 |
238 |
388 |
813 |
5980 |
4264 |
|
Date: 2021-01-15:
| 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 |
14010 |
6466 |
1140 |
399 |
362 |
273 |
2 |
0 |
| OW |
0 |
23 |
162 |
228 |
149 |
177 |
8 |
0 |
| VODI |
0 |
7 |
93 |
329 |
205 |
279 |
40 |
0 |
| ODI |
0 |
3 |
44 |
253 |
241 |
368 |
116 |
0 |
| CDI |
0 |
0 |
29 |
118 |
199 |
469 |
607 |
34 |
| VCDI |
0 |
0 |
8 |
73 |
148 |
383 |
5826 |
4888 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14010 |
6375 |
908 |
261 |
256 |
179 |
0 |
0 |
| OW |
0 |
76 |
195 |
173 |
133 |
86 |
5 |
0 |
| VODI |
0 |
35 |
169 |
283 |
222 |
198 |
35 |
0 |
| ODI |
0 |
8 |
86 |
227 |
189 |
321 |
98 |
0 |
| CDI |
0 |
2 |
65 |
252 |
218 |
446 |
487 |
50 |
| VCDI |
0 |
3 |
53 |
204 |
286 |
719 |
5974 |
4872 |
|
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