Validation of sea ice concentration - American sector
Bulletin date: 2020-10-15
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-10-09:
| 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 |
15310 |
7769 |
68 |
353 |
233 |
0 |
0 |
0 |
| OW |
0 |
393 |
38 |
386 |
335 |
79 |
0 |
0 |
| VODI |
0 |
131 |
41 |
502 |
595 |
335 |
9 |
0 |
| ODI |
0 |
6 |
3 |
125 |
718 |
533 |
63 |
0 |
| CDI |
0 |
0 |
0 |
6 |
241 |
1152 |
702 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
10 |
856 |
8331 |
6543 |
|
...date precedes bulletin
|
Date: 2020-10-11:
| 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 |
14559 |
7907 |
71 |
283 |
159 |
22 |
0 |
0 |
| OW |
0 |
372 |
42 |
337 |
363 |
203 |
10 |
0 |
| VODI |
0 |
86 |
20 |
265 |
599 |
413 |
53 |
0 |
| ODI |
0 |
9 |
4 |
96 |
598 |
701 |
111 |
0 |
| CDI |
0 |
8 |
0 |
4 |
230 |
1087 |
430 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
46 |
1431 |
8670 |
6677 |
|
...date precedes bulletin
|
Date: 2020-10-13:
| 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 |
15450 |
6394 |
87 |
517 |
73 |
0 |
0 |
0 |
| OW |
0 |
291 |
27 |
280 |
210 |
7 |
0 |
0 |
| VODI |
0 |
34 |
18 |
256 |
441 |
83 |
0 |
0 |
| ODI |
0 |
6 |
1 |
72 |
682 |
268 |
6 |
0 |
| CDI |
0 |
0 |
0 |
2 |
285 |
1599 |
492 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
19 |
1384 |
6763 |
10119 |
|
...date precedes bulletin
|
Date: 2020-10-15:
| 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 |
13772 |
7025 |
102 |
669 |
202 |
14 |
0 |
0 |
| OW |
0 |
429 |
32 |
248 |
321 |
71 |
0 |
0 |
| VODI |
0 |
147 |
31 |
192 |
366 |
195 |
17 |
0 |
| ODI |
0 |
9 |
3 |
140 |
280 |
367 |
81 |
0 |
| CDI |
0 |
0 |
1 |
23 |
225 |
739 |
741 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
163 |
1018 |
7692 |
10551 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13771 |
7103 |
110 |
799 |
340 |
19 |
0 |
0 |
| OW |
1 |
344 |
26 |
126 |
280 |
62 |
2 |
0 |
| VODI |
0 |
157 |
22 |
149 |
306 |
205 |
26 |
0 |
| ODI |
0 |
6 |
11 |
175 |
227 |
414 |
87 |
0 |
| CDI |
0 |
0 |
0 |
23 |
192 |
562 |
524 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
212 |
1142 |
7892 |
10551 |
|
Date: 2020-10-17:
| 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 |
14356 |
6078 |
73 |
452 |
164 |
12 |
0 |
0 |
| OW |
0 |
394 |
34 |
379 |
399 |
29 |
0 |
0 |
| VODI |
0 |
150 |
31 |
258 |
437 |
119 |
0 |
0 |
| ODI |
0 |
27 |
8 |
92 |
355 |
271 |
2 |
0 |
| CDI |
0 |
2 |
1 |
24 |
218 |
769 |
104 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
212 |
1562 |
10741 |
8109 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14355 |
6037 |
90 |
678 |
445 |
22 |
0 |
0 |
| OW |
1 |
428 |
15 |
200 |
243 |
47 |
0 |
0 |
| VODI |
0 |
145 |
29 |
179 |
403 |
138 |
0 |
0 |
| ODI |
0 |
41 |
12 |
132 |
231 |
372 |
8 |
0 |
| CDI |
0 |
0 |
1 |
15 |
220 |
547 |
136 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
243 |
1636 |
10703 |
8109 |
|
Date: 2020-10-19:
| 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 |
14040 |
6207 |
59 |
262 |
118 |
6 |
0 |
0 |
| OW |
0 |
245 |
40 |
311 |
80 |
25 |
0 |
0 |
| VODI |
0 |
49 |
21 |
424 |
417 |
43 |
0 |
0 |
| ODI |
0 |
2 |
3 |
38 |
951 |
121 |
0 |
0 |
| CDI |
0 |
0 |
0 |
1 |
166 |
1172 |
39 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
86 |
1394 |
8464 |
11082 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14033 |
6163 |
88 |
606 |
587 |
82 |
0 |
0 |
| OW |
7 |
234 |
10 |
168 |
277 |
90 |
0 |
0 |
| VODI |
0 |
87 |
18 |
133 |
371 |
267 |
9 |
0 |
| ODI |
0 |
19 |
4 |
113 |
235 |
344 |
32 |
0 |
| CDI |
0 |
0 |
3 |
16 |
178 |
444 |
130 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
170 |
1534 |
8332 |
11082 |
|
Date: 2020-10-21:
| 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 |
14041 |
6057 |
57 |
188 |
94 |
0 |
0 |
0 |
| OW |
0 |
407 |
34 |
272 |
68 |
26 |
0 |
0 |
| VODI |
0 |
84 |
23 |
490 |
282 |
50 |
0 |
0 |
| ODI |
0 |
1 |
2 |
126 |
723 |
129 |
0 |
0 |
| CDI |
0 |
0 |
0 |
21 |
467 |
650 |
1 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
85 |
2057 |
6510 |
12921 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13984 |
6204 |
81 |
528 |
434 |
38 |
0 |
0 |
| OW |
57 |
257 |
16 |
201 |
217 |
66 |
0 |
0 |
| VODI |
0 |
79 |
17 |
204 |
422 |
141 |
0 |
0 |
| ODI |
0 |
9 |
2 |
131 |
305 |
266 |
0 |
0 |
| CDI |
0 |
0 |
0 |
33 |
206 |
509 |
11 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
135 |
1892 |
6500 |
12921 |
|
Date: 2020-10-23:
| 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 |
14124 |
5632 |
49 |
232 |
36 |
0 |
0 |
0 |
| OW |
6 |
563 |
47 |
358 |
124 |
3 |
0 |
0 |
| VODI |
0 |
81 |
25 |
421 |
349 |
26 |
0 |
0 |
| ODI |
0 |
0 |
0 |
70 |
756 |
89 |
0 |
0 |
| CDI |
0 |
0 |
0 |
14 |
574 |
490 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
285 |
3978 |
5512 |
12022 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14047 |
5838 |
73 |
536 |
148 |
1 |
0 |
0 |
| OW |
81 |
398 |
36 |
295 |
398 |
12 |
0 |
0 |
| VODI |
2 |
39 |
11 |
165 |
451 |
173 |
0 |
0 |
| ODI |
0 |
1 |
1 |
69 |
325 |
288 |
0 |
0 |
| CDI |
0 |
0 |
0 |
28 |
359 |
362 |
15 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
443 |
3750 |
5497 |
12022 |
|
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