Validation of sea ice concentration - American sector
Bulletin date: 2020-10-08
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-10-02:
| 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 |
16932 |
6960 |
81 |
387 |
235 |
5 |
0 |
0 |
| OW |
0 |
635 |
58 |
328 |
366 |
68 |
0 |
0 |
| VODI |
0 |
150 |
30 |
539 |
543 |
236 |
23 |
0 |
| ODI |
0 |
3 |
3 |
152 |
879 |
415 |
264 |
0 |
| CDI |
0 |
0 |
0 |
2 |
366 |
989 |
1085 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
74 |
3390 |
8941 |
1727 |
|
...date precedes bulletin
|
Date: 2020-10-04:
| 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 |
16313 |
7294 |
68 |
288 |
216 |
16 |
0 |
0 |
| OW |
0 |
928 |
69 |
482 |
174 |
103 |
6 |
0 |
| VODI |
0 |
176 |
35 |
774 |
479 |
119 |
51 |
0 |
| ODI |
0 |
0 |
0 |
158 |
972 |
452 |
116 |
0 |
| CDI |
0 |
0 |
0 |
30 |
464 |
1234 |
455 |
8 |
| VCDI |
0 |
0 |
0 |
0 |
34 |
2372 |
6319 |
5661 |
|
...date precedes bulletin
|
Date: 2020-10-06:
| 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 |
15929 |
7911 |
112 |
494 |
125 |
0 |
0 |
0 |
| OW |
0 |
390 |
51 |
316 |
275 |
2 |
0 |
0 |
| VODI |
0 |
30 |
28 |
735 |
715 |
61 |
0 |
0 |
| ODI |
0 |
0 |
0 |
73 |
1252 |
331 |
19 |
0 |
| CDI |
0 |
0 |
0 |
1 |
360 |
1853 |
176 |
25 |
| VCDI |
0 |
0 |
0 |
0 |
70 |
1119 |
7696 |
5717 |
|
...date precedes bulletin
|
Date: 2020-10-08:
| 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 |
15885 |
7391 |
86 |
416 |
168 |
0 |
0 |
0 |
| OW |
0 |
563 |
57 |
359 |
326 |
26 |
0 |
0 |
| VODI |
0 |
83 |
34 |
622 |
705 |
150 |
0 |
0 |
| ODI |
0 |
0 |
2 |
91 |
981 |
403 |
34 |
0 |
| CDI |
0 |
0 |
0 |
0 |
267 |
1331 |
751 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
55 |
707 |
6275 |
8098 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15885 |
7447 |
82 |
410 |
191 |
2 |
0 |
0 |
| OW |
0 |
475 |
55 |
337 |
287 |
21 |
0 |
0 |
| VODI |
0 |
115 |
38 |
617 |
607 |
135 |
0 |
0 |
| ODI |
0 |
0 |
4 |
124 |
1019 |
477 |
41 |
0 |
| CDI |
0 |
0 |
0 |
0 |
326 |
1113 |
767 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
72 |
869 |
6252 |
8098 |
|
Date: 2020-10-10:
| 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 |
15233 |
7583 |
79 |
306 |
225 |
34 |
0 |
0 |
| OW |
0 |
378 |
33 |
236 |
213 |
250 |
4 |
0 |
| VODI |
0 |
118 |
35 |
356 |
670 |
372 |
52 |
0 |
| ODI |
0 |
5 |
5 |
126 |
638 |
567 |
102 |
0 |
| CDI |
0 |
3 |
0 |
3 |
332 |
1055 |
549 |
2 |
| VCDI |
0 |
0 |
0 |
0 |
56 |
1226 |
8356 |
6664 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15233 |
7699 |
81 |
313 |
301 |
81 |
0 |
0 |
| OW |
0 |
276 |
30 |
193 |
107 |
172 |
3 |
0 |
| VODI |
0 |
106 |
40 |
393 |
658 |
322 |
49 |
0 |
| ODI |
0 |
5 |
1 |
124 |
680 |
524 |
89 |
0 |
| CDI |
0 |
1 |
0 |
4 |
301 |
1027 |
379 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
87 |
1378 |
8543 |
6666 |
|
Date: 2020-10-12:
| 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 |
14669 |
7601 |
84 |
387 |
37 |
0 |
0 |
0 |
| OW |
0 |
181 |
38 |
355 |
129 |
2 |
0 |
0 |
| VODI |
0 |
25 |
11 |
309 |
451 |
27 |
0 |
0 |
| ODI |
0 |
8 |
1 |
42 |
941 |
191 |
0 |
0 |
| CDI |
0 |
7 |
0 |
2 |
251 |
2349 |
150 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
29 |
1427 |
8774 |
7388 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14669 |
7586 |
88 |
595 |
319 |
38 |
0 |
0 |
| OW |
0 |
196 |
31 |
186 |
247 |
128 |
0 |
0 |
| VODI |
0 |
22 |
14 |
264 |
526 |
367 |
6 |
0 |
| ODI |
0 |
11 |
1 |
47 |
477 |
778 |
71 |
0 |
| CDI |
0 |
7 |
0 |
3 |
177 |
1048 |
318 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
92 |
1637 |
8529 |
7388 |
|
Date: 2020-10-14:
| 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 |
14112 |
7012 |
114 |
638 |
236 |
2 |
0 |
0 |
| OW |
0 |
420 |
28 |
169 |
354 |
54 |
0 |
0 |
| VODI |
0 |
98 |
30 |
154 |
378 |
210 |
0 |
0 |
| ODI |
0 |
6 |
3 |
139 |
277 |
452 |
52 |
0 |
| CDI |
0 |
0 |
0 |
17 |
263 |
971 |
789 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
85 |
1097 |
6445 |
11261 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14112 |
6941 |
103 |
561 |
420 |
10 |
0 |
0 |
| OW |
0 |
505 |
41 |
259 |
352 |
280 |
27 |
0 |
| VODI |
0 |
80 |
22 |
147 |
316 |
454 |
255 |
0 |
| ODI |
0 |
10 |
9 |
85 |
217 |
511 |
347 |
0 |
| CDI |
0 |
0 |
0 |
53 |
146 |
491 |
790 |
13 |
| VCDI |
0 |
0 |
0 |
12 |
142 |
1040 |
5867 |
11248 |
|
Date: 2020-10-16:
| 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 |
14009 |
6622 |
88 |
644 |
163 |
5 |
0 |
0 |
| OW |
0 |
333 |
29 |
377 |
308 |
29 |
0 |
0 |
| VODI |
0 |
246 |
30 |
193 |
419 |
119 |
0 |
0 |
| ODI |
0 |
26 |
8 |
121 |
399 |
274 |
5 |
0 |
| CDI |
0 |
0 |
1 |
51 |
189 |
774 |
313 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
246 |
1384 |
9704 |
8754 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14009 |
6687 |
101 |
856 |
404 |
37 |
0 |
0 |
| OW |
0 |
416 |
31 |
275 |
464 |
162 |
0 |
0 |
| VODI |
0 |
72 |
11 |
91 |
470 |
528 |
227 |
0 |
| ODI |
0 |
38 |
6 |
67 |
90 |
483 |
411 |
0 |
| CDI |
0 |
14 |
7 |
47 |
79 |
289 |
760 |
0 |
| VCDI |
0 |
0 |
0 |
53 |
217 |
1086 |
8624 |
8754 |
|
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