Validation of sea ice concentration - American sector
Bulletin date: 2021-06-10
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-06-04:
| 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 |
0 |
799 |
82 |
476 |
109 |
0 |
0 |
0 |
| OW |
0 |
130 |
19 |
347 |
201 |
41 |
3 |
0 |
| VODI |
0 |
116 |
9 |
315 |
439 |
78 |
7 |
0 |
| ODI |
0 |
72 |
9 |
170 |
730 |
232 |
46 |
0 |
| CDI |
0 |
57 |
4 |
132 |
1478 |
1890 |
1157 |
30 |
| VCDI |
0 |
152 |
15 |
146 |
738 |
3732 |
21193 |
10712 |
|
...date precedes bulletin
|
Date: 2021-06-06:
| 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 |
0 |
854 |
82 |
573 |
192 |
15 |
2 |
0 |
| OW |
0 |
154 |
19 |
373 |
236 |
42 |
4 |
0 |
| VODI |
0 |
178 |
13 |
245 |
447 |
85 |
17 |
0 |
| ODI |
0 |
77 |
6 |
159 |
683 |
241 |
99 |
1 |
| CDI |
0 |
92 |
3 |
122 |
1384 |
2351 |
2036 |
10 |
| VCDI |
0 |
155 |
8 |
196 |
624 |
4336 |
20208 |
9544 |
|
...date precedes bulletin
|
Date: 2021-06-08:
| 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 |
1200 |
84 |
600 |
181 |
17 |
4 |
0 |
| OW |
0 |
168 |
23 |
456 |
169 |
29 |
1 |
0 |
| VODI |
0 |
171 |
12 |
397 |
584 |
63 |
7 |
0 |
| ODI |
0 |
87 |
7 |
212 |
1037 |
232 |
13 |
0 |
| CDI |
0 |
135 |
13 |
201 |
1293 |
2816 |
1186 |
0 |
| VCDI |
0 |
109 |
7 |
177 |
479 |
2881 |
16381 |
14434 |
|
...date precedes bulletin
|
Date: 2021-06-10:
| 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 |
1659 |
102 |
610 |
172 |
33 |
5 |
0 |
| OW |
0 |
310 |
44 |
490 |
207 |
33 |
4 |
0 |
| VODI |
0 |
234 |
20 |
384 |
572 |
111 |
20 |
0 |
| ODI |
0 |
158 |
21 |
271 |
829 |
361 |
63 |
0 |
| CDI |
0 |
193 |
15 |
239 |
1078 |
3084 |
1665 |
0 |
| VCDI |
0 |
93 |
9 |
175 |
520 |
2622 |
13038 |
16422 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1735 |
112 |
708 |
187 |
32 |
2 |
0 |
| OW |
0 |
273 |
35 |
407 |
199 |
29 |
6 |
0 |
| VODI |
0 |
206 |
21 |
383 |
558 |
133 |
18 |
0 |
| ODI |
0 |
143 |
18 |
261 |
781 |
298 |
59 |
0 |
| CDI |
0 |
197 |
16 |
230 |
1092 |
2920 |
1671 |
0 |
| VCDI |
0 |
93 |
9 |
180 |
561 |
2832 |
13039 |
16422 |
|
Date: 2021-06-12:
| 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 |
0 |
1977 |
130 |
707 |
233 |
27 |
13 |
0 |
| OW |
0 |
351 |
37 |
470 |
243 |
40 |
12 |
0 |
| VODI |
0 |
211 |
16 |
373 |
586 |
155 |
36 |
0 |
| ODI |
0 |
147 |
14 |
304 |
718 |
462 |
61 |
0 |
| CDI |
0 |
297 |
23 |
253 |
1074 |
3101 |
2551 |
0 |
| VCDI |
0 |
16 |
1 |
142 |
503 |
2924 |
11604 |
16054 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
2039 |
131 |
784 |
249 |
27 |
9 |
0 |
| OW |
0 |
299 |
33 |
366 |
235 |
36 |
13 |
0 |
| VODI |
0 |
221 |
21 |
417 |
560 |
166 |
37 |
0 |
| ODI |
0 |
114 |
10 |
271 |
710 |
467 |
62 |
0 |
| CDI |
0 |
310 |
25 |
287 |
1094 |
3001 |
2288 |
0 |
| VCDI |
0 |
16 |
1 |
124 |
509 |
3012 |
11868 |
16054 |
|
Date: 2021-06-14:
| 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 |
0 |
2585 |
127 |
754 |
198 |
22 |
4 |
0 |
| OW |
0 |
353 |
52 |
454 |
127 |
20 |
1 |
0 |
| VODI |
0 |
102 |
8 |
666 |
602 |
58 |
6 |
0 |
| ODI |
0 |
64 |
8 |
229 |
1290 |
243 |
15 |
0 |
| CDI |
0 |
234 |
25 |
223 |
1242 |
4134 |
1210 |
2 |
| VCDI |
0 |
5 |
1 |
95 |
329 |
1578 |
10501 |
18299 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
2295 |
123 |
853 |
266 |
39 |
1 |
0 |
| OW |
0 |
332 |
33 |
352 |
250 |
56 |
6 |
0 |
| VODI |
0 |
259 |
24 |
451 |
677 |
146 |
23 |
0 |
| ODI |
0 |
130 |
12 |
306 |
703 |
428 |
36 |
2 |
| CDI |
0 |
250 |
18 |
257 |
1144 |
3745 |
1898 |
0 |
| VCDI |
0 |
77 |
11 |
202 |
748 |
1641 |
9773 |
18299 |
|
Date: 2021-06-16:
| 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 |
0 |
3134 |
125 |
759 |
219 |
24 |
4 |
0 |
| OW |
0 |
330 |
31 |
466 |
242 |
24 |
2 |
0 |
| VODI |
0 |
175 |
30 |
549 |
799 |
72 |
2 |
0 |
| ODI |
0 |
135 |
12 |
261 |
866 |
256 |
9 |
0 |
| CDI |
0 |
320 |
24 |
290 |
1743 |
3429 |
1575 |
0 |
| VCDI |
0 |
1 |
2 |
166 |
915 |
8693 |
12498 |
7684 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
2581 |
113 |
748 |
316 |
42 |
3 |
0 |
| OW |
0 |
429 |
32 |
299 |
311 |
32 |
4 |
0 |
| VODI |
0 |
378 |
25 |
468 |
777 |
95 |
11 |
0 |
| ODI |
0 |
233 |
13 |
326 |
690 |
371 |
33 |
0 |
| CDI |
0 |
380 |
31 |
435 |
1403 |
3531 |
1993 |
0 |
| VCDI |
0 |
94 |
10 |
215 |
1287 |
8427 |
12046 |
7684 |
|
Date: 2021-06-18:
| 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 |
0 |
3283 |
130 |
858 |
209 |
35 |
0 |
0 |
| OW |
0 |
340 |
43 |
594 |
313 |
17 |
0 |
0 |
| VODI |
0 |
126 |
14 |
501 |
909 |
42 |
0 |
0 |
| ODI |
0 |
96 |
9 |
249 |
1101 |
294 |
8 |
0 |
| CDI |
0 |
257 |
20 |
219 |
1686 |
4978 |
131 |
0 |
| VCDI |
0 |
44 |
5 |
133 |
1247 |
13091 |
5965 |
8919 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
2865 |
110 |
804 |
320 |
57 |
0 |
0 |
| OW |
0 |
389 |
42 |
485 |
372 |
23 |
0 |
0 |
| VODI |
0 |
253 |
18 |
448 |
872 |
91 |
10 |
0 |
| ODI |
0 |
156 |
14 |
268 |
759 |
432 |
35 |
0 |
| CDI |
0 |
404 |
29 |
392 |
1603 |
5582 |
302 |
0 |
| VCDI |
0 |
79 |
8 |
157 |
1539 |
12272 |
5757 |
8919 |
|
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