Validation of sea ice concentration - Full domain
Bulletin date: 2021-04-15
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-04-09:
| 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 |
69406 |
15201 |
189 |
923 |
295 |
12 |
0 |
0 |
| OW |
60 |
652 |
34 |
411 |
356 |
11 |
0 |
0 |
| VODI |
0 |
530 |
31 |
306 |
693 |
20 |
0 |
0 |
| ODI |
0 |
341 |
34 |
245 |
630 |
240 |
3 |
0 |
| CDI |
0 |
243 |
17 |
240 |
733 |
1559 |
193 |
5 |
| VCDI |
0 |
473 |
76 |
762 |
1616 |
5687 |
17890 |
66931 |
|
...date precedes bulletin
|
Date: 2021-04-11:
| 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 |
70384 |
14836 |
161 |
787 |
288 |
39 |
0 |
0 |
| OW |
74 |
781 |
46 |
442 |
327 |
6 |
0 |
0 |
| VODI |
0 |
723 |
36 |
348 |
699 |
56 |
0 |
0 |
| ODI |
0 |
364 |
29 |
240 |
587 |
245 |
19 |
0 |
| CDI |
0 |
302 |
19 |
242 |
955 |
1569 |
380 |
40 |
| VCDI |
0 |
652 |
62 |
558 |
1741 |
7254 |
22962 |
58795 |
|
...date precedes bulletin
|
Date: 2021-04-13:
| 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 |
70358 |
15673 |
198 |
970 |
294 |
15 |
0 |
0 |
| OW |
71 |
463 |
55 |
533 |
376 |
19 |
0 |
0 |
| VODI |
0 |
363 |
37 |
440 |
725 |
54 |
2 |
0 |
| ODI |
0 |
121 |
18 |
289 |
848 |
401 |
76 |
28 |
| CDI |
0 |
79 |
14 |
230 |
1160 |
2767 |
996 |
147 |
| VCDI |
0 |
203 |
31 |
357 |
1361 |
7473 |
21354 |
58449 |
|
...date precedes bulletin
|
Date: 2021-04-15:
| 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 |
69948 |
15511 |
213 |
1204 |
340 |
22 |
0 |
0 |
| OW |
73 |
336 |
65 |
634 |
350 |
26 |
0 |
0 |
| VODI |
0 |
204 |
20 |
464 |
855 |
38 |
11 |
0 |
| ODI |
0 |
88 |
18 |
226 |
843 |
325 |
95 |
0 |
| CDI |
0 |
49 |
6 |
211 |
961 |
1602 |
658 |
91 |
| VCDI |
0 |
65 |
11 |
180 |
1842 |
7492 |
23278 |
58693 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69948 |
15523 |
216 |
1282 |
386 |
28 |
0 |
0 |
| OW |
73 |
312 |
62 |
555 |
351 |
16 |
0 |
0 |
| VODI |
0 |
203 |
23 |
472 |
765 |
50 |
6 |
0 |
| ODI |
0 |
105 |
13 |
217 |
837 |
281 |
89 |
0 |
| CDI |
0 |
58 |
8 |
192 |
978 |
1532 |
639 |
102 |
| VCDI |
0 |
52 |
11 |
201 |
1874 |
7598 |
23308 |
58682 |
|
Date: 2021-04-17:
| 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 |
70553 |
14910 |
186 |
1045 |
402 |
33 |
0 |
0 |
| OW |
73 |
401 |
63 |
541 |
419 |
35 |
0 |
0 |
| VODI |
0 |
204 |
33 |
474 |
678 |
116 |
7 |
0 |
| ODI |
0 |
72 |
14 |
192 |
637 |
304 |
49 |
0 |
| CDI |
0 |
47 |
3 |
189 |
950 |
1152 |
464 |
152 |
| VCDI |
0 |
18 |
2 |
259 |
1584 |
6206 |
25868 |
58713 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70553 |
14964 |
191 |
1168 |
487 |
41 |
0 |
0 |
| OW |
73 |
330 |
54 |
461 |
381 |
27 |
0 |
0 |
| VODI |
0 |
206 |
39 |
427 |
633 |
98 |
5 |
0 |
| ODI |
0 |
76 |
10 |
178 |
563 |
286 |
46 |
0 |
| CDI |
0 |
45 |
5 |
202 |
1032 |
1187 |
508 |
195 |
| VCDI |
0 |
31 |
2 |
264 |
1574 |
6207 |
25829 |
58670 |
|
Date: 2021-04-19:
| 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 |
71638 |
14939 |
178 |
867 |
229 |
5 |
0 |
0 |
| OW |
71 |
343 |
93 |
791 |
204 |
12 |
0 |
0 |
| VODI |
0 |
76 |
23 |
561 |
730 |
37 |
9 |
0 |
| ODI |
0 |
31 |
5 |
172 |
1043 |
241 |
18 |
3 |
| CDI |
0 |
23 |
2 |
118 |
1216 |
1566 |
257 |
113 |
| VCDI |
0 |
0 |
0 |
131 |
1027 |
7129 |
25171 |
57976 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
71636 |
14428 |
174 |
1151 |
392 |
19 |
0 |
0 |
| OW |
73 |
476 |
52 |
348 |
309 |
13 |
6 |
0 |
| VODI |
0 |
318 |
45 |
355 |
515 |
72 |
19 |
0 |
| ODI |
0 |
83 |
17 |
247 |
541 |
215 |
51 |
44 |
| CDI |
0 |
61 |
9 |
238 |
1084 |
1259 |
488 |
262 |
| VCDI |
0 |
46 |
4 |
301 |
1608 |
7412 |
24891 |
57786 |
|
Date: 2021-04-21:
| 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 |
72432 |
14643 |
199 |
935 |
280 |
21 |
0 |
0 |
| OW |
71 |
288 |
77 |
563 |
343 |
15 |
0 |
0 |
| VODI |
0 |
128 |
16 |
359 |
682 |
108 |
5 |
0 |
| ODI |
0 |
55 |
10 |
142 |
703 |
315 |
61 |
0 |
| CDI |
0 |
40 |
6 |
164 |
1091 |
1613 |
642 |
15 |
| VCDI |
0 |
29 |
8 |
156 |
1095 |
5798 |
29626 |
54314 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
72432 |
14022 |
169 |
963 |
430 |
29 |
0 |
0 |
| OW |
71 |
515 |
59 |
302 |
320 |
39 |
0 |
0 |
| VODI |
0 |
345 |
45 |
312 |
411 |
170 |
31 |
0 |
| ODI |
0 |
115 |
13 |
264 |
447 |
230 |
68 |
1 |
| CDI |
0 |
131 |
17 |
219 |
1113 |
1196 |
819 |
91 |
| VCDI |
0 |
55 |
13 |
259 |
1473 |
6206 |
29416 |
54237 |
|
Date: 2021-04-23:
| 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 |
72687 |
14219 |
175 |
982 |
307 |
42 |
0 |
0 |
| OW |
71 |
421 |
83 |
554 |
331 |
32 |
0 |
0 |
| VODI |
0 |
123 |
30 |
436 |
729 |
104 |
17 |
0 |
| ODI |
0 |
60 |
8 |
167 |
734 |
244 |
61 |
0 |
| CDI |
0 |
24 |
3 |
116 |
1050 |
1790 |
1075 |
57 |
| VCDI |
0 |
54 |
8 |
98 |
1108 |
6967 |
25071 |
57010 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
72687 |
13715 |
154 |
876 |
446 |
66 |
0 |
0 |
| OW |
71 |
601 |
67 |
338 |
273 |
68 |
2 |
0 |
| VODI |
0 |
284 |
50 |
457 |
388 |
123 |
33 |
0 |
| ODI |
0 |
125 |
15 |
326 |
517 |
217 |
97 |
3 |
| CDI |
0 |
89 |
8 |
223 |
1286 |
1405 |
1069 |
40 |
| VCDI |
0 |
87 |
13 |
133 |
1349 |
7300 |
25023 |
57024 |
|
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