Validation of sea ice concentration - American sector
Bulletin date: 2018-10-18
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2018-10-12:
| 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 |
14717 |
7313 |
108 |
478 |
123 |
0 |
0 |
0 |
| OW |
21 |
286 |
40 |
564 |
301 |
21 |
0 |
0 |
| VODI |
0 |
12 |
9 |
177 |
593 |
146 |
0 |
0 |
| ODI |
0 |
1 |
0 |
83 |
634 |
539 |
7 |
0 |
| CDI |
0 |
0 |
0 |
5 |
441 |
527 |
112 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
93 |
4081 |
12634 |
1800 |
|
...date precedes bulletin
|
Date: 2018-10-14:
| 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 |
12044 |
8519 |
154 |
918 |
364 |
47 |
0 |
0 |
| OW |
25 |
392 |
43 |
651 |
310 |
89 |
2 |
0 |
| VODI |
0 |
18 |
12 |
159 |
533 |
169 |
21 |
0 |
| ODI |
0 |
2 |
2 |
39 |
368 |
773 |
55 |
0 |
| CDI |
0 |
0 |
0 |
9 |
240 |
732 |
154 |
19 |
| VCDI |
0 |
0 |
0 |
0 |
92 |
3792 |
12499 |
2620 |
|
...date precedes bulletin
|
Date: 2018-10-16:
| 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 |
11714 |
6470 |
101 |
1000 |
1131 |
85 |
0 |
0 |
| OW |
22 |
310 |
41 |
325 |
409 |
107 |
6 |
0 |
| VODI |
0 |
152 |
27 |
423 |
560 |
151 |
16 |
0 |
| ODI |
0 |
0 |
4 |
139 |
558 |
244 |
35 |
0 |
| CDI |
0 |
0 |
0 |
9 |
257 |
1493 |
113 |
4 |
| VCDI |
0 |
0 |
0 |
0 |
60 |
3578 |
13545 |
2777 |
|
...date precedes bulletin
|
Date: 2018-10-18:
| 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 |
10933 |
6549 |
106 |
1208 |
1106 |
111 |
2 |
0 |
| OW |
7 |
527 |
42 |
290 |
328 |
118 |
22 |
0 |
| VODI |
0 |
200 |
34 |
430 |
535 |
180 |
27 |
0 |
| ODI |
0 |
0 |
0 |
214 |
575 |
252 |
48 |
0 |
| CDI |
0 |
0 |
0 |
14 |
280 |
957 |
139 |
12 |
| VCDI |
0 |
0 |
0 |
1 |
136 |
4496 |
13141 |
2846 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
10937 |
6608 |
113 |
1162 |
1138 |
128 |
12 |
0 |
| OW |
3 |
421 |
30 |
248 |
274 |
91 |
17 |
0 |
| VODI |
0 |
222 |
30 |
406 |
419 |
171 |
20 |
0 |
| ODI |
0 |
25 |
9 |
302 |
537 |
183 |
50 |
0 |
| CDI |
0 |
0 |
0 |
39 |
427 |
846 |
81 |
12 |
| VCDI |
0 |
0 |
0 |
0 |
165 |
4695 |
13199 |
2846 |
|
Date: 2018-10-20:
| 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 |
10767 |
5993 |
83 |
665 |
1130 |
322 |
0 |
0 |
| OW |
34 |
565 |
51 |
355 |
607 |
181 |
36 |
0 |
| VODI |
1 |
153 |
27 |
452 |
661 |
231 |
47 |
0 |
| ODI |
0 |
0 |
0 |
139 |
645 |
324 |
39 |
0 |
| CDI |
0 |
0 |
0 |
3 |
428 |
719 |
211 |
15 |
| VCDI |
0 |
0 |
0 |
0 |
121 |
3898 |
13497 |
3466 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
10779 |
6122 |
94 |
686 |
1140 |
300 |
0 |
0 |
| OW |
23 |
404 |
33 |
265 |
551 |
206 |
37 |
0 |
| VODI |
0 |
174 |
31 |
391 |
590 |
192 |
41 |
0 |
| ODI |
0 |
11 |
3 |
249 |
582 |
268 |
35 |
0 |
| CDI |
0 |
0 |
0 |
23 |
558 |
703 |
113 |
12 |
| VCDI |
0 |
0 |
0 |
0 |
171 |
4006 |
13604 |
3469 |
|
Date: 2018-10-22:
| 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 |
9945 |
6315 |
87 |
522 |
458 |
83 |
0 |
0 |
| OW |
6 |
195 |
45 |
330 |
621 |
358 |
0 |
0 |
| VODI |
0 |
58 |
14 |
325 |
1261 |
683 |
40 |
0 |
| ODI |
0 |
5 |
2 |
20 |
606 |
936 |
178 |
0 |
| CDI |
0 |
0 |
0 |
5 |
259 |
1024 |
688 |
19 |
| VCDI |
0 |
0 |
0 |
0 |
116 |
3518 |
12738 |
4406 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9948 |
6193 |
83 |
499 |
736 |
598 |
0 |
0 |
| OW |
3 |
250 |
43 |
315 |
532 |
445 |
39 |
0 |
| VODI |
0 |
119 |
20 |
264 |
839 |
366 |
191 |
0 |
| ODI |
0 |
11 |
2 |
65 |
599 |
468 |
139 |
0 |
| CDI |
0 |
0 |
0 |
41 |
297 |
722 |
278 |
9 |
| VCDI |
0 |
0 |
0 |
18 |
318 |
4003 |
12997 |
4416 |
|
Date: 2018-10-24:
| 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 |
9763 |
5656 |
85 |
584 |
533 |
33 |
0 |
0 |
| OW |
8 |
315 |
41 |
288 |
426 |
205 |
17 |
0 |
| VODI |
0 |
153 |
22 |
528 |
588 |
885 |
136 |
0 |
| ODI |
0 |
19 |
2 |
194 |
610 |
865 |
174 |
0 |
| CDI |
0 |
4 |
2 |
64 |
253 |
751 |
908 |
15 |
| VCDI |
0 |
0 |
1 |
36 |
235 |
3922 |
15272 |
2273 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9764 |
5549 |
85 |
586 |
645 |
492 |
47 |
0 |
| OW |
7 |
350 |
36 |
311 |
411 |
587 |
63 |
0 |
| VODI |
0 |
200 |
20 |
419 |
575 |
491 |
190 |
0 |
| ODI |
0 |
44 |
9 |
190 |
461 |
476 |
285 |
0 |
| CDI |
0 |
3 |
2 |
115 |
218 |
545 |
526 |
16 |
| VCDI |
0 |
1 |
1 |
73 |
335 |
4070 |
15396 |
2272 |
|
Date: 2018-10-26:
| 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 |
9582 |
5187 |
75 |
511 |
528 |
176 |
5 |
0 |
| OW |
17 |
365 |
23 |
241 |
215 |
297 |
181 |
0 |
| VODI |
3 |
172 |
24 |
348 |
415 |
561 |
429 |
0 |
| ODI |
0 |
49 |
8 |
208 |
488 |
677 |
419 |
0 |
| CDI |
0 |
9 |
2 |
41 |
517 |
1077 |
233 |
2 |
| VCDI |
0 |
0 |
1 |
37 |
191 |
7295 |
13813 |
1444 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9590 |
5081 |
80 |
503 |
540 |
624 |
390 |
0 |
| OW |
11 |
317 |
18 |
329 |
216 |
305 |
350 |
0 |
| VODI |
1 |
219 |
18 |
317 |
354 |
571 |
170 |
0 |
| ODI |
0 |
127 |
10 |
138 |
538 |
497 |
234 |
0 |
| CDI |
0 |
29 |
5 |
41 |
382 |
871 |
287 |
4 |
| VCDI |
0 |
9 |
2 |
58 |
324 |
7215 |
13649 |
1442 |
|
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