Validation of sea ice concentration - American sector
Bulletin date: 2022-09-22
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-09-16:
| 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 |
18664 |
8058 |
66 |
236 |
39 |
1 |
0 |
0 |
| OW |
0 |
767 |
48 |
215 |
76 |
0 |
0 |
0 |
| VODI |
0 |
174 |
49 |
777 |
334 |
24 |
0 |
0 |
| ODI |
0 |
0 |
1 |
285 |
1122 |
265 |
0 |
0 |
| CDI |
0 |
0 |
0 |
1 |
465 |
2345 |
359 |
0 |
| VCDI |
0 |
2 |
1 |
8 |
21 |
2776 |
7248 |
1439 |
|
...date precedes bulletin
|
Date: 2022-09-18:
| 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 |
18958 |
7392 |
60 |
215 |
40 |
2 |
0 |
0 |
| OW |
5 |
930 |
38 |
224 |
144 |
11 |
0 |
0 |
| VODI |
0 |
310 |
61 |
688 |
364 |
108 |
0 |
0 |
| ODI |
0 |
3 |
7 |
343 |
569 |
434 |
2 |
0 |
| CDI |
0 |
0 |
0 |
3 |
403 |
1703 |
557 |
0 |
| VCDI |
0 |
2 |
1 |
6 |
14 |
1973 |
8422 |
1874 |
|
...date precedes bulletin
|
Date: 2022-09-20:
| 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 |
18025 |
8564 |
90 |
334 |
95 |
1 |
0 |
0 |
| OW |
0 |
431 |
53 |
366 |
118 |
0 |
0 |
0 |
| VODI |
0 |
37 |
24 |
654 |
526 |
44 |
0 |
0 |
| ODI |
0 |
0 |
0 |
81 |
851 |
114 |
0 |
0 |
| CDI |
0 |
0 |
0 |
1 |
231 |
1717 |
72 |
0 |
| VCDI |
0 |
0 |
1 |
5 |
50 |
1732 |
9660 |
1989 |
|
...date precedes bulletin
|
Date: 2022-09-22:
| 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 |
18207 |
7825 |
81 |
329 |
154 |
3 |
0 |
0 |
| OW |
0 |
734 |
41 |
379 |
105 |
0 |
0 |
0 |
| VODI |
0 |
68 |
23 |
744 |
463 |
23 |
0 |
0 |
| ODI |
0 |
0 |
0 |
128 |
744 |
126 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
326 |
1361 |
145 |
0 |
| VCDI |
0 |
0 |
1 |
5 |
45 |
1260 |
8813 |
3733 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
18207 |
8020 |
80 |
353 |
176 |
3 |
0 |
0 |
| OW |
0 |
560 |
46 |
293 |
78 |
0 |
0 |
0 |
| VODI |
0 |
47 |
19 |
770 |
349 |
25 |
0 |
0 |
| ODI |
0 |
0 |
0 |
164 |
795 |
127 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
370 |
1180 |
158 |
0 |
| VCDI |
0 |
0 |
1 |
5 |
69 |
1438 |
8800 |
3733 |
|
Date: 2022-09-24:
| 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 |
17994 |
6915 |
84 |
541 |
116 |
2 |
0 |
0 |
| OW |
0 |
940 |
31 |
314 |
318 |
3 |
0 |
0 |
| VODI |
0 |
140 |
32 |
547 |
494 |
78 |
0 |
0 |
| ODI |
0 |
0 |
0 |
37 |
849 |
213 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
310 |
1072 |
43 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
62 |
3414 |
8697 |
2615 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17994 |
7126 |
92 |
589 |
206 |
0 |
0 |
0 |
| OW |
0 |
693 |
25 |
289 |
202 |
4 |
0 |
0 |
| VODI |
0 |
176 |
30 |
478 |
511 |
52 |
0 |
0 |
| ODI |
0 |
0 |
0 |
83 |
780 |
202 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
388 |
882 |
56 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
62 |
3642 |
8684 |
2615 |
|
Date: 2022-09-26:
| 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 |
17459 |
7356 |
102 |
442 |
75 |
0 |
0 |
0 |
| OW |
0 |
171 |
35 |
446 |
144 |
2 |
0 |
0 |
| VODI |
0 |
72 |
18 |
403 |
598 |
12 |
0 |
0 |
| ODI |
0 |
1 |
0 |
16 |
1095 |
175 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
186 |
1471 |
53 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
16 |
3512 |
10922 |
1080 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17459 |
6569 |
88 |
542 |
220 |
20 |
0 |
0 |
| OW |
0 |
696 |
31 |
345 |
351 |
46 |
0 |
0 |
| VODI |
0 |
325 |
32 |
358 |
485 |
126 |
0 |
0 |
| ODI |
0 |
10 |
4 |
62 |
781 |
305 |
6 |
0 |
| CDI |
0 |
0 |
0 |
0 |
260 |
738 |
69 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
17 |
3937 |
10900 |
1080 |
|
Date: 2022-09-28:
| 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 |
16269 |
7721 |
111 |
364 |
203 |
142 |
0 |
0 |
| OW |
0 |
326 |
34 |
295 |
212 |
168 |
0 |
0 |
| VODI |
0 |
30 |
11 |
186 |
698 |
219 |
0 |
0 |
| ODI |
0 |
2 |
0 |
12 |
563 |
514 |
3 |
0 |
| CDI |
0 |
0 |
0 |
0 |
160 |
896 |
389 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
14 |
3696 |
10032 |
2594 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16269 |
6835 |
89 |
348 |
270 |
271 |
0 |
0 |
| OW |
0 |
652 |
17 |
153 |
465 |
200 |
6 |
0 |
| VODI |
0 |
572 |
45 |
262 |
373 |
310 |
49 |
0 |
| ODI |
0 |
20 |
5 |
94 |
567 |
379 |
114 |
0 |
| CDI |
0 |
0 |
0 |
0 |
161 |
672 |
350 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
14 |
3803 |
9905 |
2594 |
|
Date: 2022-09-30:
| 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 |
16156 |
7600 |
97 |
330 |
204 |
29 |
0 |
0 |
| OW |
0 |
529 |
43 |
288 |
265 |
49 |
0 |
0 |
| VODI |
0 |
93 |
22 |
325 |
551 |
138 |
0 |
0 |
| ODI |
0 |
7 |
0 |
75 |
651 |
248 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
444 |
867 |
66 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
58 |
4114 |
11677 |
940 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16146 |
6565 |
87 |
313 |
484 |
126 |
0 |
0 |
| OW |
10 |
822 |
23 |
126 |
261 |
108 |
7 |
0 |
| VODI |
0 |
681 |
29 |
278 |
396 |
391 |
22 |
0 |
| ODI |
0 |
161 |
23 |
271 |
426 |
238 |
87 |
0 |
| CDI |
0 |
0 |
0 |
30 |
467 |
475 |
241 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
139 |
4107 |
11386 |
940 |
|
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