Validation of sea ice concentration - American sector
Bulletin date: 2020-10-29
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
|
...date precedes bulletin
|
Date: 2020-10-25:
| 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 |
12487 |
6319 |
71 |
334 |
129 |
0 |
0 |
0 |
| OW |
0 |
615 |
57 |
389 |
237 |
15 |
0 |
0 |
| VODI |
0 |
34 |
20 |
286 |
656 |
125 |
0 |
0 |
| ODI |
0 |
0 |
0 |
31 |
476 |
396 |
5 |
0 |
| CDI |
0 |
0 |
0 |
4 |
401 |
707 |
44 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
204 |
1987 |
6023 |
13814 |
|
...date precedes bulletin
|
Date: 2020-10-27:
| 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 |
11844 |
6927 |
99 |
563 |
130 |
0 |
0 |
0 |
| OW |
0 |
87 |
21 |
336 |
216 |
0 |
0 |
0 |
| VODI |
0 |
11 |
6 |
243 |
434 |
23 |
0 |
0 |
| ODI |
0 |
0 |
0 |
36 |
546 |
291 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
206 |
1148 |
64 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
36 |
1177 |
5100 |
16322 |
|
...date precedes bulletin
|
Date: 2020-10-29:
| 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 |
11581 |
5943 |
121 |
734 |
206 |
39 |
0 |
0 |
| OW |
0 |
82 |
22 |
386 |
587 |
66 |
0 |
0 |
| VODI |
0 |
4 |
1 |
99 |
583 |
223 |
0 |
0 |
| ODI |
0 |
0 |
0 |
25 |
242 |
385 |
24 |
0 |
| CDI |
0 |
0 |
0 |
2 |
113 |
802 |
189 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
22 |
1094 |
5030 |
17261 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11578 |
5907 |
131 |
861 |
271 |
24 |
0 |
0 |
| OW |
3 |
116 |
11 |
279 |
475 |
66 |
0 |
0 |
| VODI |
0 |
6 |
2 |
80 |
645 |
212 |
0 |
0 |
| ODI |
0 |
0 |
0 |
19 |
215 |
430 |
15 |
0 |
| CDI |
0 |
0 |
0 |
7 |
118 |
742 |
156 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
29 |
1135 |
5072 |
17261 |
|
Date: 2020-10-31:
| 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 |
9782 |
6312 |
94 |
685 |
244 |
42 |
0 |
0 |
| OW |
4 |
35 |
14 |
329 |
954 |
136 |
29 |
0 |
| VODI |
0 |
7 |
1 |
74 |
688 |
470 |
14 |
0 |
| ODI |
0 |
0 |
0 |
25 |
186 |
507 |
56 |
0 |
| CDI |
0 |
0 |
0 |
16 |
98 |
515 |
319 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
86 |
755 |
4955 |
18434 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9785 |
6290 |
92 |
811 |
419 |
72 |
0 |
0 |
| OW |
1 |
57 |
16 |
187 |
685 |
120 |
21 |
0 |
| VODI |
0 |
7 |
1 |
92 |
808 |
417 |
24 |
0 |
| ODI |
0 |
0 |
0 |
27 |
162 |
523 |
57 |
0 |
| CDI |
0 |
0 |
0 |
12 |
97 |
560 |
270 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
85 |
733 |
5001 |
18434 |
|
Date: 2020-11-02:
| 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 |
8922 |
6482 |
84 |
515 |
96 |
4 |
0 |
0 |
| OW |
15 |
70 |
23 |
269 |
149 |
8 |
0 |
0 |
| VODI |
0 |
7 |
2 |
95 |
568 |
86 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
778 |
672 |
9 |
0 |
| CDI |
0 |
0 |
0 |
0 |
209 |
1620 |
200 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
47 |
1084 |
5019 |
18833 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8923 |
6400 |
85 |
686 |
296 |
43 |
0 |
0 |
| OW |
14 |
127 |
15 |
167 |
548 |
265 |
0 |
0 |
| VODI |
0 |
27 |
8 |
23 |
500 |
917 |
50 |
0 |
| ODI |
0 |
5 |
1 |
3 |
224 |
633 |
118 |
0 |
| CDI |
0 |
0 |
0 |
0 |
164 |
501 |
223 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
115 |
1115 |
4837 |
18833 |
|
Date: 2020-11-04:
| 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 |
8119 |
6497 |
84 |
501 |
179 |
13 |
0 |
0 |
| OW |
28 |
213 |
25 |
217 |
331 |
19 |
0 |
0 |
| VODI |
2 |
29 |
11 |
121 |
420 |
100 |
0 |
0 |
| ODI |
0 |
0 |
0 |
31 |
264 |
505 |
57 |
0 |
| CDI |
0 |
0 |
0 |
17 |
335 |
753 |
526 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
331 |
1318 |
4367 |
20453 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8124 |
6409 |
92 |
589 |
427 |
31 |
0 |
0 |
| OW |
24 |
190 |
5 |
104 |
308 |
158 |
4 |
0 |
| VODI |
1 |
131 |
15 |
157 |
333 |
820 |
143 |
0 |
| ODI |
0 |
9 |
8 |
36 |
180 |
503 |
432 |
0 |
| CDI |
0 |
0 |
0 |
1 |
238 |
333 |
449 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
374 |
863 |
3922 |
20453 |
|
Date: 2020-11-06:
| 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 |
8231 |
5784 |
66 |
370 |
105 |
0 |
0 |
0 |
| OW |
57 |
268 |
16 |
277 |
368 |
14 |
0 |
0 |
| VODI |
4 |
67 |
23 |
197 |
480 |
72 |
0 |
0 |
| ODI |
0 |
1 |
1 |
83 |
276 |
200 |
0 |
0 |
| CDI |
0 |
0 |
0 |
6 |
250 |
657 |
195 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
289 |
1996 |
6298 |
19215 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8238 |
5575 |
71 |
492 |
344 |
3 |
0 |
0 |
| OW |
54 |
402 |
9 |
141 |
441 |
109 |
0 |
0 |
| VODI |
0 |
121 |
13 |
113 |
232 |
354 |
43 |
0 |
| ODI |
0 |
22 |
13 |
142 |
254 |
469 |
478 |
2 |
| CDI |
0 |
0 |
0 |
44 |
228 |
371 |
603 |
42 |
| VCDI |
0 |
0 |
0 |
1 |
269 |
1633 |
5369 |
19171 |
|
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