Validation of sea ice concentration - American sector
Bulletin date: 2021-06-03
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-05-28:
| 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 |
0 |
487 |
34 |
200 |
40 |
2 |
0 |
0 |
| OW |
0 |
126 |
20 |
229 |
148 |
16 |
0 |
0 |
| VODI |
0 |
115 |
17 |
247 |
369 |
56 |
10 |
0 |
| ODI |
0 |
75 |
13 |
242 |
397 |
127 |
18 |
0 |
| CDI |
0 |
112 |
21 |
313 |
1225 |
1467 |
229 |
0 |
| VCDI |
0 |
80 |
10 |
226 |
812 |
5992 |
19559 |
12832 |
|
...date precedes bulletin
|
Date: 2021-05-30:
| 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 |
0 |
530 |
28 |
153 |
52 |
0 |
0 |
0 |
| OW |
0 |
106 |
9 |
249 |
200 |
8 |
7 |
0 |
| VODI |
0 |
137 |
22 |
230 |
321 |
71 |
11 |
0 |
| ODI |
0 |
131 |
9 |
238 |
420 |
239 |
20 |
0 |
| CDI |
0 |
138 |
19 |
253 |
1352 |
1628 |
407 |
0 |
| VCDI |
0 |
172 |
9 |
201 |
886 |
6823 |
16540 |
14247 |
|
...date precedes bulletin
|
Date: 2021-06-01:
| 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 |
0 |
697 |
56 |
291 |
75 |
0 |
0 |
0 |
| OW |
0 |
130 |
12 |
319 |
179 |
12 |
2 |
0 |
| VODI |
0 |
80 |
6 |
315 |
418 |
55 |
7 |
0 |
| ODI |
0 |
58 |
6 |
182 |
752 |
248 |
42 |
0 |
| CDI |
0 |
59 |
5 |
153 |
1456 |
2012 |
558 |
0 |
| VCDI |
0 |
165 |
12 |
105 |
443 |
4416 |
15190 |
17350 |
|
...date precedes bulletin
|
Date: 2021-06-03:
| 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 |
0 |
732 |
66 |
429 |
102 |
0 |
0 |
0 |
| OW |
0 |
133 |
18 |
335 |
219 |
24 |
1 |
0 |
| VODI |
0 |
98 |
9 |
314 |
426 |
56 |
9 |
0 |
| ODI |
0 |
55 |
9 |
173 |
744 |
260 |
46 |
0 |
| CDI |
0 |
51 |
1 |
136 |
1507 |
2027 |
750 |
3 |
| VCDI |
0 |
159 |
15 |
126 |
668 |
4565 |
18935 |
12665 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
763 |
71 |
508 |
135 |
2 |
0 |
0 |
| OW |
0 |
120 |
15 |
247 |
201 |
16 |
3 |
0 |
| VODI |
0 |
76 |
6 |
313 |
405 |
65 |
8 |
0 |
| ODI |
0 |
54 |
10 |
178 |
692 |
271 |
52 |
0 |
| CDI |
0 |
54 |
1 |
128 |
1509 |
1887 |
737 |
5 |
| VCDI |
0 |
161 |
15 |
139 |
724 |
4691 |
18941 |
12663 |
|
Date: 2021-06-05:
| 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 |
0 |
879 |
80 |
502 |
130 |
4 |
1 |
0 |
| OW |
0 |
156 |
19 |
346 |
223 |
48 |
4 |
0 |
| VODI |
0 |
158 |
9 |
304 |
422 |
76 |
10 |
0 |
| ODI |
0 |
83 |
8 |
183 |
680 |
206 |
80 |
0 |
| CDI |
0 |
71 |
4 |
131 |
1459 |
1885 |
1658 |
1 |
| VCDI |
0 |
154 |
11 |
177 |
681 |
3602 |
17420 |
14001 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
906 |
88 |
548 |
165 |
9 |
1 |
0 |
| OW |
0 |
142 |
11 |
313 |
204 |
43 |
5 |
0 |
| VODI |
0 |
137 |
8 |
286 |
380 |
102 |
12 |
0 |
| ODI |
0 |
87 |
9 |
183 |
652 |
198 |
73 |
0 |
| CDI |
0 |
78 |
5 |
130 |
1485 |
1877 |
1758 |
1 |
| VCDI |
0 |
151 |
10 |
183 |
709 |
3592 |
17324 |
14001 |
|
Date: 2021-06-07:
| 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 |
0 |
1046 |
89 |
549 |
169 |
17 |
2 |
0 |
| OW |
0 |
159 |
21 |
344 |
176 |
23 |
4 |
0 |
| VODI |
0 |
168 |
11 |
375 |
539 |
48 |
6 |
0 |
| ODI |
0 |
67 |
5 |
144 |
1188 |
217 |
13 |
0 |
| CDI |
0 |
78 |
6 |
175 |
1376 |
3363 |
556 |
0 |
| VCDI |
0 |
107 |
10 |
139 |
391 |
2966 |
20286 |
11033 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
946 |
91 |
663 |
273 |
34 |
5 |
0 |
| OW |
0 |
150 |
16 |
292 |
237 |
39 |
1 |
0 |
| VODI |
0 |
177 |
10 |
217 |
442 |
134 |
9 |
0 |
| ODI |
0 |
108 |
6 |
153 |
707 |
220 |
81 |
0 |
| CDI |
0 |
102 |
5 |
182 |
1507 |
3083 |
1875 |
0 |
| VCDI |
0 |
142 |
14 |
219 |
673 |
3124 |
18896 |
11033 |
|
Date: 2021-06-09:
| 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 |
0 |
1361 |
99 |
655 |
177 |
23 |
5 |
0 |
| OW |
0 |
190 |
28 |
527 |
186 |
36 |
2 |
0 |
| VODI |
0 |
189 |
17 |
407 |
598 |
85 |
4 |
0 |
| ODI |
0 |
108 |
8 |
280 |
960 |
291 |
29 |
0 |
| CDI |
0 |
142 |
11 |
207 |
1126 |
2861 |
1467 |
0 |
| VCDI |
0 |
113 |
10 |
222 |
513 |
2631 |
12443 |
17855 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1164 |
97 |
732 |
283 |
41 |
6 |
0 |
| OW |
0 |
196 |
17 |
357 |
158 |
55 |
1 |
0 |
| VODI |
0 |
220 |
20 |
353 |
374 |
154 |
27 |
0 |
| ODI |
0 |
131 |
10 |
259 |
745 |
199 |
110 |
0 |
| CDI |
0 |
268 |
13 |
345 |
1387 |
2859 |
2401 |
0 |
| VCDI |
0 |
124 |
16 |
252 |
613 |
2619 |
11405 |
17855 |
|
Date: 2021-06-11:
| 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 |
0 |
1882 |
120 |
636 |
178 |
37 |
5 |
0 |
| OW |
0 |
345 |
54 |
498 |
222 |
28 |
4 |
0 |
| VODI |
0 |
225 |
18 |
368 |
549 |
148 |
30 |
0 |
| ODI |
0 |
146 |
15 |
328 |
735 |
427 |
62 |
2 |
| CDI |
0 |
269 |
21 |
229 |
994 |
3022 |
2132 |
0 |
| VCDI |
0 |
38 |
5 |
159 |
587 |
3327 |
12420 |
15601 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1625 |
114 |
644 |
245 |
52 |
4 |
0 |
| OW |
0 |
313 |
42 |
301 |
156 |
70 |
11 |
0 |
| VODI |
0 |
278 |
25 |
373 |
423 |
111 |
61 |
0 |
| ODI |
0 |
210 |
13 |
339 |
596 |
296 |
123 |
2 |
| CDI |
0 |
384 |
27 |
384 |
1132 |
3028 |
2823 |
0 |
| VCDI |
0 |
95 |
12 |
177 |
713 |
3432 |
11631 |
15601 |
|
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