Validation of sea ice concentration - Full domain
Bulletin date: 2023-05-25
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-05-19:
| 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 |
70726 |
15392 |
844 |
1256 |
263 |
33 |
1 |
0 |
| OW |
62 |
117 |
123 |
912 |
466 |
30 |
1 |
0 |
| VODI |
0 |
88 |
85 |
795 |
1040 |
175 |
3 |
0 |
| ODI |
0 |
12 |
30 |
417 |
1303 |
476 |
62 |
7 |
| CDI |
0 |
23 |
10 |
227 |
1910 |
3988 |
1588 |
27 |
| VCDI |
0 |
0 |
2 |
86 |
954 |
9879 |
37113 |
36522 |
|
...date precedes bulletin
|
Date: 2023-05-21:
| 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 |
70968 |
15343 |
767 |
1404 |
427 |
76 |
0 |
0 |
| OW |
57 |
253 |
179 |
836 |
571 |
51 |
5 |
0 |
| VODI |
0 |
138 |
102 |
797 |
1017 |
183 |
22 |
0 |
| ODI |
0 |
29 |
38 |
502 |
1092 |
610 |
97 |
0 |
| CDI |
0 |
6 |
15 |
352 |
2325 |
3290 |
1481 |
3 |
| VCDI |
0 |
0 |
0 |
124 |
1778 |
10723 |
37442 |
33945 |
|
...date precedes bulletin
|
Date: 2023-05-23:
| 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 |
71325 |
15618 |
966 |
1712 |
361 |
15 |
0 |
0 |
| OW |
56 |
67 |
130 |
1331 |
387 |
33 |
1 |
0 |
| VODI |
0 |
21 |
31 |
1001 |
1151 |
87 |
7 |
0 |
| ODI |
0 |
13 |
8 |
403 |
2013 |
409 |
34 |
0 |
| CDI |
0 |
0 |
10 |
360 |
2627 |
4570 |
830 |
78 |
| VCDI |
0 |
0 |
0 |
40 |
883 |
6805 |
34129 |
39536 |
|
...date precedes bulletin
|
Date: 2023-05-25:
| 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 |
72025 |
15186 |
1080 |
1934 |
429 |
4 |
0 |
0 |
| OW |
57 |
119 |
112 |
1297 |
429 |
32 |
0 |
0 |
| VODI |
0 |
83 |
54 |
908 |
1271 |
102 |
2 |
0 |
| ODI |
0 |
80 |
30 |
411 |
1861 |
398 |
65 |
0 |
| CDI |
0 |
47 |
61 |
438 |
2970 |
4716 |
1288 |
2 |
| VCDI |
0 |
10 |
13 |
222 |
1635 |
9363 |
31704 |
36610 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
72025 |
15158 |
1072 |
2116 |
464 |
4 |
0 |
0 |
| OW |
57 |
150 |
120 |
1101 |
415 |
33 |
0 |
0 |
| VODI |
0 |
79 |
53 |
910 |
1206 |
99 |
5 |
0 |
| ODI |
0 |
86 |
30 |
405 |
1744 |
386 |
78 |
0 |
| CDI |
0 |
42 |
60 |
451 |
3065 |
4791 |
1210 |
5 |
| VCDI |
0 |
10 |
15 |
227 |
1701 |
9302 |
31766 |
36607 |
|
Date: 2023-05-27:
| 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 |
73358 |
14256 |
988 |
2151 |
418 |
21 |
0 |
0 |
| OW |
58 |
225 |
146 |
1151 |
518 |
48 |
0 |
0 |
| VODI |
0 |
164 |
59 |
809 |
1403 |
144 |
24 |
0 |
| ODI |
0 |
130 |
63 |
408 |
1599 |
718 |
131 |
0 |
| CDI |
0 |
121 |
68 |
557 |
2427 |
4666 |
1963 |
0 |
| VCDI |
0 |
101 |
43 |
506 |
2764 |
10055 |
30508 |
34279 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
73358 |
14245 |
1000 |
2317 |
446 |
24 |
0 |
0 |
| OW |
58 |
219 |
130 |
977 |
521 |
36 |
0 |
0 |
| VODI |
0 |
178 |
59 |
809 |
1275 |
150 |
25 |
0 |
| ODI |
0 |
138 |
60 |
410 |
1547 |
663 |
170 |
0 |
| CDI |
0 |
108 |
72 |
548 |
2480 |
5106 |
1811 |
0 |
| VCDI |
0 |
109 |
46 |
521 |
2860 |
9673 |
30620 |
34279 |
|
Date: 2023-05-29:
| 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 |
74459 |
13851 |
1016 |
1984 |
330 |
9 |
0 |
0 |
| OW |
52 |
219 |
169 |
1392 |
337 |
14 |
0 |
0 |
| VODI |
0 |
120 |
55 |
1439 |
1587 |
56 |
6 |
0 |
| ODI |
0 |
59 |
65 |
465 |
3204 |
393 |
40 |
0 |
| CDI |
0 |
22 |
34 |
442 |
3882 |
9021 |
1054 |
2 |
| VCDI |
0 |
0 |
0 |
136 |
572 |
6802 |
38528 |
25232 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
74457 |
13404 |
955 |
2380 |
531 |
18 |
0 |
0 |
| OW |
54 |
237 |
93 |
998 |
647 |
29 |
3 |
0 |
| VODI |
0 |
195 |
62 |
891 |
1371 |
134 |
34 |
0 |
| ODI |
0 |
178 |
71 |
479 |
1874 |
689 |
188 |
0 |
| CDI |
0 |
174 |
95 |
556 |
3254 |
5556 |
2014 |
2 |
| VCDI |
0 |
83 |
63 |
554 |
2235 |
9869 |
37389 |
25232 |
|
Date: 2023-05-31:
| 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 |
74644 |
14216 |
1092 |
2448 |
363 |
4 |
0 |
0 |
| OW |
50 |
174 |
94 |
1424 |
791 |
65 |
0 |
0 |
| VODI |
0 |
108 |
66 |
914 |
1702 |
408 |
18 |
0 |
| ODI |
0 |
79 |
35 |
433 |
2376 |
927 |
284 |
0 |
| CDI |
0 |
91 |
50 |
340 |
2363 |
6703 |
3734 |
5 |
| VCDI |
0 |
2 |
1 |
161 |
1059 |
8127 |
36772 |
24925 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
74642 |
13583 |
946 |
2427 |
647 |
15 |
0 |
0 |
| OW |
52 |
318 |
109 |
847 |
772 |
55 |
0 |
0 |
| VODI |
0 |
228 |
101 |
837 |
1368 |
290 |
55 |
0 |
| ODI |
0 |
199 |
55 |
565 |
1584 |
1021 |
335 |
1 |
| CDI |
0 |
209 |
58 |
565 |
2691 |
5706 |
3506 |
6 |
| VCDI |
0 |
133 |
69 |
479 |
1592 |
9147 |
36912 |
24923 |
|
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 |
74953 |
14457 |
1040 |
2603 |
576 |
30 |
0 |
0 |
| OW |
50 |
256 |
122 |
1252 |
995 |
182 |
2 |
0 |
| VODI |
0 |
157 |
81 |
926 |
1618 |
337 |
92 |
0 |
| ODI |
0 |
78 |
38 |
468 |
2192 |
1332 |
325 |
0 |
| CDI |
0 |
65 |
66 |
407 |
2258 |
6456 |
4166 |
5 |
| VCDI |
0 |
0 |
3 |
342 |
989 |
7507 |
37867 |
22755 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
74953 |
13861 |
866 |
2342 |
883 |
16 |
0 |
0 |
| OW |
50 |
370 |
150 |
812 |
815 |
50 |
8 |
0 |
| VODI |
0 |
306 |
140 |
852 |
1419 |
418 |
99 |
0 |
| ODI |
0 |
223 |
59 |
703 |
1412 |
1298 |
460 |
0 |
| CDI |
0 |
198 |
73 |
754 |
2576 |
5811 |
4514 |
12 |
| VCDI |
0 |
55 |
62 |
535 |
1523 |
8251 |
37371 |
22748 |
|
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