Validation of sea ice concentration - American sector
Bulletin date: 2020-11-19
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-11-13:
| 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 |
6286 |
5323 |
63 |
160 |
6 |
0 |
0 |
0 |
| OW |
36 |
641 |
27 |
234 |
73 |
6 |
0 |
0 |
| VODI |
12 |
350 |
19 |
174 |
299 |
20 |
0 |
0 |
| ODI |
0 |
59 |
10 |
102 |
253 |
203 |
1 |
0 |
| CDI |
0 |
1 |
0 |
34 |
278 |
373 |
14 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
501 |
1933 |
7732 |
20639 |
|
...date precedes bulletin
|
Date: 2020-11-15:
| 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 |
5711 |
4726 |
67 |
374 |
75 |
0 |
0 |
0 |
| OW |
50 |
567 |
36 |
329 |
276 |
0 |
0 |
0 |
| VODI |
2 |
422 |
18 |
176 |
291 |
95 |
3 |
0 |
| ODI |
0 |
167 |
8 |
124 |
232 |
172 |
10 |
0 |
| CDI |
0 |
3 |
1 |
60 |
221 |
328 |
110 |
0 |
| VCDI |
0 |
0 |
0 |
10 |
543 |
2757 |
12938 |
14964 |
|
...date precedes bulletin
|
Date: 2020-11-17:
| 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 |
5146 |
5338 |
87 |
309 |
41 |
0 |
0 |
0 |
| OW |
63 |
314 |
47 |
345 |
154 |
0 |
0 |
0 |
| VODI |
1 |
130 |
12 |
306 |
454 |
0 |
0 |
0 |
| ODI |
0 |
63 |
1 |
181 |
580 |
64 |
0 |
0 |
| CDI |
0 |
1 |
0 |
56 |
471 |
331 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
313 |
2431 |
8737 |
19885 |
|
...date precedes bulletin
|
Date: 2020-11-19:
| 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 |
4594 |
5159 |
62 |
331 |
44 |
0 |
0 |
0 |
| OW |
73 |
489 |
36 |
319 |
251 |
0 |
0 |
0 |
| VODI |
3 |
219 |
24 |
338 |
396 |
28 |
0 |
0 |
| ODI |
0 |
51 |
8 |
72 |
533 |
119 |
0 |
0 |
| CDI |
0 |
29 |
6 |
110 |
614 |
399 |
2 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
256 |
2976 |
7219 |
21106 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4574 |
5154 |
66 |
348 |
63 |
0 |
0 |
0 |
| OW |
90 |
425 |
28 |
260 |
185 |
0 |
0 |
0 |
| VODI |
6 |
256 |
28 |
321 |
368 |
23 |
0 |
0 |
| ODI |
0 |
70 |
7 |
121 |
534 |
129 |
0 |
0 |
| CDI |
0 |
42 |
7 |
107 |
634 |
367 |
7 |
0 |
| VCDI |
0 |
0 |
0 |
13 |
310 |
3003 |
7214 |
21106 |
|
Date: 2020-11-21:
| 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 |
2681 |
5957 |
90 |
563 |
130 |
0 |
0 |
0 |
| OW |
46 |
468 |
35 |
390 |
296 |
30 |
0 |
0 |
| VODI |
1 |
234 |
25 |
258 |
383 |
196 |
0 |
0 |
| ODI |
0 |
91 |
6 |
134 |
346 |
222 |
0 |
0 |
| CDI |
0 |
21 |
6 |
54 |
354 |
636 |
2 |
0 |
| VCDI |
0 |
0 |
0 |
26 |
181 |
2640 |
6392 |
22972 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2690 |
6025 |
93 |
651 |
175 |
2 |
0 |
0 |
| OW |
38 |
387 |
26 |
262 |
204 |
23 |
0 |
0 |
| VODI |
0 |
212 |
30 |
286 |
369 |
168 |
0 |
0 |
| ODI |
0 |
98 |
6 |
115 |
357 |
229 |
0 |
0 |
| CDI |
0 |
49 |
7 |
87 |
377 |
636 |
3 |
0 |
| VCDI |
0 |
0 |
0 |
24 |
208 |
2666 |
6391 |
22972 |
|
Date: 2020-11-23:
| 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 |
1718 |
5634 |
57 |
269 |
84 |
5 |
0 |
0 |
| OW |
22 |
333 |
81 |
518 |
223 |
32 |
0 |
0 |
| VODI |
1 |
47 |
16 |
582 |
836 |
102 |
0 |
0 |
| ODI |
0 |
22 |
5 |
89 |
888 |
392 |
5 |
0 |
| CDI |
0 |
1 |
3 |
6 |
380 |
979 |
143 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
109 |
2125 |
6884 |
23275 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1724 |
5531 |
89 |
590 |
786 |
158 |
0 |
0 |
| OW |
16 |
295 |
22 |
342 |
293 |
104 |
0 |
0 |
| VODI |
1 |
99 |
28 |
250 |
346 |
240 |
21 |
0 |
| ODI |
0 |
57 |
10 |
151 |
346 |
293 |
60 |
0 |
| CDI |
0 |
52 |
9 |
79 |
278 |
391 |
164 |
2 |
| VCDI |
0 |
3 |
4 |
52 |
471 |
2449 |
6787 |
23273 |
|
Date: 2020-11-25:
| 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 |
1737 |
4907 |
48 |
238 |
213 |
63 |
0 |
0 |
| OW |
48 |
458 |
33 |
237 |
307 |
80 |
0 |
0 |
| VODI |
2 |
135 |
36 |
268 |
552 |
230 |
0 |
0 |
| ODI |
0 |
21 |
11 |
228 |
757 |
446 |
1 |
0 |
| CDI |
0 |
21 |
3 |
103 |
461 |
922 |
112 |
50 |
| VCDI |
0 |
1 |
1 |
1 |
488 |
2544 |
6798 |
23305 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1667 |
4867 |
57 |
350 |
631 |
561 |
0 |
0 |
| OW |
112 |
329 |
20 |
153 |
374 |
373 |
0 |
0 |
| VODI |
8 |
199 |
13 |
128 |
438 |
282 |
10 |
0 |
| ODI |
0 |
58 |
16 |
145 |
325 |
273 |
70 |
0 |
| CDI |
0 |
46 |
12 |
78 |
268 |
279 |
167 |
26 |
| VCDI |
0 |
44 |
14 |
221 |
742 |
2517 |
6664 |
23329 |
|
Date: 2020-11-27:
| 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 |
1221 |
4892 |
75 |
265 |
155 |
14 |
1 |
0 |
| OW |
147 |
476 |
25 |
326 |
296 |
110 |
38 |
0 |
| VODI |
14 |
264 |
32 |
194 |
424 |
212 |
39 |
0 |
| ODI |
0 |
97 |
18 |
145 |
639 |
384 |
49 |
0 |
| CDI |
0 |
58 |
11 |
140 |
375 |
742 |
211 |
26 |
| VCDI |
0 |
2 |
2 |
84 |
470 |
2758 |
7740 |
22695 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1237 |
4840 |
83 |
531 |
579 |
501 |
69 |
0 |
| OW |
130 |
302 |
13 |
127 |
305 |
434 |
78 |
0 |
| VODI |
15 |
220 |
10 |
88 |
465 |
192 |
107 |
0 |
| ODI |
0 |
104 |
12 |
70 |
302 |
248 |
148 |
0 |
| CDI |
0 |
83 |
8 |
67 |
189 |
292 |
277 |
6 |
| VCDI |
0 |
240 |
37 |
271 |
519 |
2553 |
7399 |
22715 |
|
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