Validation of sea ice concentration - American sector
Bulletin date: 2023-06-08
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-06-02:
| 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 |
1007 |
314 |
912 |
244 |
24 |
0 |
0 |
| OW |
0 |
60 |
37 |
435 |
595 |
168 |
2 |
0 |
| VODI |
0 |
33 |
15 |
290 |
504 |
277 |
69 |
0 |
| ODI |
0 |
13 |
9 |
132 |
361 |
784 |
223 |
0 |
| CDI |
0 |
14 |
25 |
96 |
598 |
1902 |
2766 |
1 |
| VCDI |
0 |
0 |
0 |
164 |
304 |
2025 |
14654 |
16809 |
|
...date precedes bulletin
|
Date: 2023-06-04:
| 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 |
1143 |
393 |
1031 |
467 |
81 |
0 |
0 |
| OW |
0 |
99 |
56 |
380 |
484 |
149 |
0 |
0 |
| VODI |
0 |
61 |
24 |
263 |
530 |
460 |
9 |
0 |
| ODI |
0 |
31 |
12 |
143 |
575 |
1030 |
46 |
0 |
| CDI |
0 |
38 |
13 |
176 |
710 |
2933 |
1034 |
6 |
| VCDI |
0 |
7 |
5 |
158 |
415 |
2360 |
17237 |
13307 |
|
...date precedes bulletin
|
Date: 2023-06-06:
| 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 |
1801 |
411 |
1104 |
346 |
0 |
0 |
0 |
| OW |
0 |
58 |
21 |
460 |
281 |
3 |
0 |
0 |
| VODI |
0 |
38 |
5 |
235 |
656 |
42 |
0 |
0 |
| ODI |
0 |
35 |
7 |
118 |
866 |
383 |
5 |
0 |
| CDI |
0 |
6 |
11 |
129 |
642 |
3035 |
1218 |
40 |
| VCDI |
0 |
0 |
0 |
0 |
430 |
2800 |
19507 |
11173 |
|
...date precedes bulletin
|
Date: 2023-06-08:
| 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 |
2085 |
400 |
1178 |
261 |
0 |
0 |
0 |
| OW |
0 |
80 |
33 |
453 |
339 |
5 |
0 |
0 |
| VODI |
0 |
36 |
11 |
403 |
747 |
104 |
0 |
0 |
| ODI |
0 |
18 |
6 |
189 |
929 |
352 |
8 |
0 |
| CDI |
0 |
24 |
14 |
370 |
1724 |
2479 |
850 |
7 |
| VCDI |
0 |
0 |
0 |
30 |
519 |
1975 |
14672 |
15565 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
2075 |
404 |
1230 |
296 |
0 |
0 |
0 |
| OW |
0 |
86 |
27 |
365 |
344 |
5 |
0 |
0 |
| VODI |
0 |
37 |
12 |
430 |
701 |
110 |
0 |
0 |
| ODI |
0 |
20 |
7 |
179 |
949 |
411 |
15 |
0 |
| CDI |
0 |
25 |
14 |
351 |
1624 |
2369 |
844 |
10 |
| VCDI |
0 |
0 |
0 |
68 |
605 |
2020 |
14671 |
15562 |
|
Date: 2023-06-10:
| 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 |
2460 |
417 |
1103 |
280 |
0 |
0 |
0 |
| OW |
0 |
116 |
72 |
492 |
369 |
15 |
0 |
0 |
| VODI |
0 |
57 |
25 |
414 |
864 |
135 |
0 |
0 |
| ODI |
0 |
32 |
20 |
115 |
941 |
534 |
14 |
0 |
| CDI |
0 |
33 |
24 |
101 |
363 |
3748 |
666 |
18 |
| VCDI |
0 |
16 |
19 |
86 |
290 |
2153 |
16303 |
13571 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
2455 |
425 |
1144 |
314 |
0 |
0 |
0 |
| OW |
0 |
122 |
59 |
368 |
356 |
15 |
0 |
0 |
| VODI |
0 |
45 |
27 |
500 |
854 |
157 |
3 |
0 |
| ODI |
0 |
38 |
19 |
115 |
914 |
563 |
19 |
0 |
| CDI |
0 |
35 |
24 |
99 |
376 |
3766 |
693 |
21 |
| VCDI |
0 |
19 |
23 |
85 |
293 |
2084 |
16268 |
13568 |
|
Date: 2023-06-12:
| 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 |
3091 |
556 |
1189 |
133 |
0 |
0 |
0 |
| OW |
0 |
276 |
118 |
730 |
245 |
0 |
3 |
0 |
| VODI |
0 |
89 |
39 |
712 |
1035 |
46 |
9 |
0 |
| ODI |
0 |
40 |
33 |
144 |
2017 |
507 |
11 |
0 |
| CDI |
0 |
3 |
12 |
57 |
572 |
1762 |
183 |
1 |
| VCDI |
0 |
0 |
0 |
27 |
79 |
2128 |
16404 |
13615 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
2777 |
499 |
1264 |
293 |
1 |
0 |
0 |
| OW |
0 |
184 |
58 |
446 |
480 |
35 |
4 |
0 |
| VODI |
0 |
137 |
68 |
466 |
952 |
156 |
28 |
0 |
| ODI |
0 |
127 |
40 |
212 |
1043 |
254 |
55 |
0 |
| CDI |
0 |
222 |
64 |
337 |
1138 |
1701 |
807 |
8 |
| VCDI |
0 |
52 |
29 |
134 |
175 |
2296 |
15716 |
13608 |
|
Date: 2023-06-14:
| 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 |
8 |
3835 |
521 |
1227 |
368 |
414 |
0 |
0 |
| OW |
0 |
82 |
66 |
574 |
397 |
253 |
0 |
0 |
| VODI |
0 |
44 |
14 |
327 |
941 |
522 |
0 |
0 |
| ODI |
0 |
27 |
25 |
123 |
1004 |
1004 |
29 |
0 |
| CDI |
0 |
9 |
7 |
106 |
550 |
1345 |
325 |
0 |
| VCDI |
0 |
0 |
0 |
16 |
220 |
4383 |
13708 |
13392 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8 |
3378 |
397 |
1106 |
451 |
16 |
0 |
0 |
| OW |
0 |
240 |
98 |
462 |
503 |
81 |
10 |
0 |
| VODI |
0 |
178 |
56 |
351 |
936 |
221 |
37 |
0 |
| ODI |
0 |
51 |
29 |
163 |
788 |
1214 |
62 |
0 |
| CDI |
0 |
79 |
19 |
113 |
403 |
2102 |
963 |
0 |
| VCDI |
0 |
71 |
34 |
178 |
399 |
4287 |
12990 |
13392 |
|
Date: 2023-06-16:
| 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 |
59 |
4035 |
586 |
1317 |
686 |
388 |
0 |
0 |
| OW |
0 |
97 |
51 |
543 |
608 |
241 |
0 |
0 |
| VODI |
0 |
36 |
19 |
259 |
1078 |
496 |
2 |
0 |
| ODI |
0 |
25 |
31 |
92 |
874 |
741 |
27 |
0 |
| CDI |
0 |
15 |
8 |
153 |
660 |
1571 |
784 |
0 |
| VCDI |
0 |
0 |
0 |
53 |
964 |
3356 |
12592 |
13419 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
59 |
3525 |
466 |
1131 |
637 |
42 |
0 |
0 |
| OW |
0 |
259 |
56 |
477 |
547 |
166 |
6 |
0 |
| VODI |
0 |
183 |
70 |
267 |
813 |
485 |
27 |
0 |
| ODI |
0 |
70 |
29 |
142 |
904 |
1069 |
56 |
0 |
| CDI |
0 |
71 |
27 |
157 |
680 |
1388 |
1266 |
4 |
| VCDI |
0 |
100 |
47 |
243 |
1289 |
3643 |
12050 |
13415 |
|
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