Validation of sea ice concentration - American sector
Bulletin date: 2022-06-09
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-06-03:
| 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 |
398 |
204 |
508 |
185 |
8 |
1 |
0 |
| OW |
0 |
139 |
93 |
500 |
625 |
102 |
2 |
0 |
| VODI |
0 |
78 |
54 |
334 |
475 |
212 |
20 |
0 |
| ODI |
0 |
52 |
31 |
155 |
405 |
286 |
73 |
0 |
| CDI |
0 |
118 |
121 |
296 |
1150 |
1534 |
683 |
18 |
| VCDI |
0 |
42 |
56 |
222 |
635 |
8767 |
23201 |
4083 |
|
...date precedes bulletin
|
Date: 2022-06-05:
| 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 |
486 |
280 |
904 |
393 |
56 |
0 |
0 |
| OW |
0 |
112 |
94 |
413 |
446 |
176 |
5 |
0 |
| VODI |
0 |
76 |
52 |
282 |
341 |
149 |
32 |
0 |
| ODI |
0 |
84 |
36 |
154 |
436 |
281 |
67 |
0 |
| CDI |
0 |
189 |
121 |
365 |
955 |
1945 |
1148 |
0 |
| VCDI |
0 |
57 |
48 |
179 |
527 |
5937 |
23047 |
5993 |
|
...date precedes bulletin
|
Date: 2022-06-07:
| 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 |
724 |
371 |
1052 |
449 |
76 |
0 |
0 |
| OW |
0 |
109 |
167 |
441 |
322 |
87 |
1 |
0 |
| VODI |
0 |
123 |
75 |
312 |
458 |
124 |
10 |
0 |
| ODI |
0 |
142 |
60 |
224 |
543 |
379 |
45 |
0 |
| CDI |
0 |
167 |
76 |
330 |
919 |
2450 |
580 |
8 |
| VCDI |
0 |
10 |
26 |
160 |
470 |
4578 |
21277 |
8521 |
|
...date precedes bulletin
|
Date: 2022-06-09:
| 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 |
833 |
723 |
1283 |
430 |
31 |
0 |
0 |
| OW |
0 |
135 |
89 |
518 |
397 |
53 |
0 |
0 |
| VODI |
0 |
153 |
50 |
254 |
472 |
107 |
4 |
0 |
| ODI |
0 |
123 |
43 |
157 |
595 |
334 |
18 |
0 |
| CDI |
0 |
158 |
80 |
269 |
705 |
1941 |
469 |
8 |
| VCDI |
0 |
54 |
47 |
196 |
399 |
5034 |
23686 |
6018 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
846 |
755 |
1432 |
560 |
58 |
0 |
0 |
| OW |
0 |
110 |
53 |
336 |
284 |
33 |
0 |
0 |
| VODI |
0 |
157 |
50 |
277 |
477 |
108 |
1 |
0 |
| ODI |
0 |
128 |
50 |
168 |
547 |
319 |
17 |
0 |
| CDI |
0 |
160 |
81 |
249 |
720 |
1927 |
425 |
9 |
| VCDI |
0 |
55 |
43 |
215 |
410 |
5055 |
23734 |
6017 |
|
Date: 2022-06-11:
| 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 |
1018 |
866 |
1541 |
549 |
43 |
0 |
0 |
| OW |
0 |
140 |
44 |
340 |
325 |
118 |
1 |
0 |
| VODI |
0 |
127 |
36 |
233 |
400 |
251 |
11 |
0 |
| ODI |
0 |
108 |
39 |
119 |
325 |
642 |
17 |
0 |
| CDI |
0 |
115 |
79 |
317 |
527 |
1639 |
769 |
19 |
| VCDI |
0 |
97 |
52 |
181 |
467 |
5987 |
24633 |
3691 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1042 |
870 |
1592 |
616 |
73 |
0 |
0 |
| OW |
0 |
94 |
33 |
274 |
286 |
108 |
0 |
0 |
| VODI |
0 |
150 |
44 |
248 |
387 |
234 |
6 |
0 |
| ODI |
0 |
106 |
40 |
118 |
293 |
595 |
21 |
0 |
| CDI |
0 |
111 |
75 |
274 |
523 |
1649 |
638 |
18 |
| VCDI |
0 |
102 |
54 |
225 |
488 |
6021 |
24766 |
3692 |
|
Date: 2022-06-13:
| 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 |
1266 |
1057 |
1497 |
518 |
22 |
0 |
0 |
| OW |
0 |
165 |
46 |
291 |
297 |
25 |
0 |
0 |
| VODI |
0 |
104 |
84 |
357 |
491 |
132 |
0 |
0 |
| ODI |
0 |
65 |
41 |
182 |
593 |
1077 |
17 |
0 |
| CDI |
0 |
82 |
77 |
261 |
436 |
1830 |
812 |
6 |
| VCDI |
0 |
6 |
34 |
266 |
529 |
4605 |
24694 |
3901 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1159 |
1056 |
1553 |
684 |
70 |
0 |
0 |
| OW |
0 |
119 |
39 |
302 |
315 |
92 |
0 |
0 |
| VODI |
0 |
135 |
27 |
205 |
377 |
291 |
3 |
0 |
| ODI |
0 |
92 |
36 |
115 |
292 |
578 |
17 |
1 |
| CDI |
0 |
107 |
94 |
348 |
576 |
1541 |
908 |
51 |
| VCDI |
0 |
76 |
87 |
331 |
620 |
5119 |
24595 |
3855 |
|
Date: 2022-06-15:
| 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 |
1458 |
1331 |
1673 |
416 |
3 |
0 |
0 |
| OW |
0 |
118 |
53 |
440 |
361 |
27 |
0 |
0 |
| VODI |
0 |
91 |
48 |
294 |
758 |
143 |
1 |
0 |
| ODI |
0 |
81 |
40 |
163 |
798 |
898 |
16 |
0 |
| CDI |
0 |
77 |
73 |
253 |
1094 |
1215 |
625 |
0 |
| VCDI |
0 |
49 |
69 |
213 |
688 |
5584 |
23147 |
3568 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1261 |
1300 |
1704 |
614 |
47 |
0 |
0 |
| OW |
0 |
113 |
53 |
269 |
301 |
59 |
0 |
0 |
| VODI |
0 |
118 |
38 |
288 |
502 |
202 |
4 |
0 |
| ODI |
0 |
99 |
18 |
178 |
443 |
424 |
15 |
0 |
| CDI |
0 |
172 |
90 |
282 |
1303 |
1326 |
854 |
15 |
| VCDI |
0 |
111 |
115 |
315 |
952 |
5812 |
22916 |
3553 |
|
Date: 2022-06-17:
| 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 |
3033 |
900 |
1307 |
256 |
12 |
0 |
0 |
| OW |
0 |
116 |
85 |
502 |
489 |
34 |
0 |
0 |
| VODI |
0 |
80 |
25 |
247 |
721 |
365 |
28 |
0 |
| ODI |
0 |
78 |
48 |
144 |
687 |
808 |
113 |
0 |
| CDI |
0 |
101 |
60 |
169 |
609 |
874 |
575 |
0 |
| VCDI |
0 |
59 |
64 |
335 |
893 |
5171 |
22494 |
4384 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
2829 |
838 |
1318 |
379 |
44 |
0 |
0 |
| OW |
0 |
142 |
94 |
373 |
329 |
70 |
3 |
0 |
| VODI |
0 |
113 |
43 |
262 |
581 |
153 |
25 |
0 |
| ODI |
0 |
92 |
32 |
156 |
396 |
487 |
88 |
0 |
| CDI |
0 |
192 |
87 |
296 |
1081 |
1290 |
1264 |
4 |
| VCDI |
0 |
99 |
88 |
299 |
889 |
5220 |
21830 |
4380 |
|
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