Validation of sea ice concentration - Full domain
Bulletin date: 2024-06-27
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-06-21:
| 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 |
68643 |
16640 |
228 |
185 |
65 |
31 |
0 |
0 |
| OW |
1106 |
4309 |
719 |
747 |
228 |
75 |
5 |
0 |
| VODI |
3326 |
1495 |
641 |
1864 |
1225 |
349 |
37 |
0 |
| ODI |
5 |
396 |
220 |
1251 |
2992 |
1068 |
162 |
0 |
| CDI |
0 |
186 |
132 |
686 |
4947 |
11982 |
2878 |
0 |
| VCDI |
0 |
34 |
31 |
328 |
2425 |
27541 |
18493 |
3135 |
|
...date precedes bulletin
|
Date: 2024-06-23:
| 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 |
69396 |
16566 |
208 |
203 |
76 |
39 |
1 |
0 |
| OW |
1117 |
4287 |
654 |
709 |
291 |
107 |
13 |
0 |
| VODI |
3322 |
1763 |
623 |
1650 |
1271 |
320 |
36 |
0 |
| ODI |
1 |
575 |
279 |
1200 |
2658 |
1194 |
129 |
0 |
| CDI |
0 |
239 |
137 |
1139 |
5475 |
11041 |
2602 |
0 |
| VCDI |
0 |
35 |
46 |
212 |
3465 |
29918 |
17275 |
538 |
|
...date precedes bulletin
|
Date: 2024-06-25:
| 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 |
69536 |
18581 |
315 |
336 |
92 |
25 |
3 |
0 |
| OW |
1132 |
4082 |
751 |
727 |
214 |
39 |
5 |
0 |
| VODI |
3256 |
917 |
783 |
2447 |
1323 |
154 |
21 |
0 |
| ODI |
0 |
94 |
156 |
1503 |
5159 |
1505 |
55 |
0 |
| CDI |
0 |
63 |
79 |
502 |
3760 |
19986 |
2219 |
0 |
| VCDI |
0 |
18 |
5 |
101 |
2523 |
26181 |
12162 |
0 |
|
...date precedes bulletin
|
Date: 2024-06-27:
| 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 |
70026 |
18710 |
311 |
260 |
47 |
22 |
0 |
0 |
| OW |
1140 |
4020 |
657 |
870 |
256 |
66 |
4 |
0 |
| VODI |
3249 |
1188 |
889 |
2068 |
1443 |
259 |
3 |
0 |
| ODI |
0 |
183 |
250 |
1870 |
4885 |
1536 |
95 |
0 |
| CDI |
0 |
77 |
88 |
646 |
4626 |
19431 |
2771 |
0 |
| VCDI |
0 |
26 |
8 |
71 |
2098 |
29699 |
6961 |
1 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70033 |
18960 |
327 |
287 |
59 |
25 |
0 |
0 |
| OW |
1131 |
3735 |
641 |
894 |
264 |
54 |
4 |
0 |
| VODI |
3251 |
1206 |
874 |
2006 |
1503 |
269 |
6 |
0 |
| ODI |
0 |
196 |
258 |
1893 |
4673 |
1516 |
117 |
0 |
| CDI |
0 |
84 |
93 |
637 |
4920 |
19404 |
2597 |
0 |
| VCDI |
0 |
23 |
10 |
68 |
1936 |
29745 |
7110 |
1 |
|
Date: 2024-06-29:
| 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 |
70876 |
18057 |
269 |
206 |
37 |
8 |
0 |
0 |
| OW |
1153 |
4110 |
745 |
903 |
264 |
55 |
0 |
0 |
| VODI |
3228 |
1626 |
774 |
2124 |
1639 |
190 |
9 |
0 |
| ODI |
0 |
369 |
422 |
2098 |
4658 |
1358 |
260 |
0 |
| CDI |
0 |
110 |
155 |
745 |
6220 |
19915 |
2419 |
0 |
| VCDI |
0 |
15 |
7 |
196 |
3251 |
29761 |
2578 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70885 |
18287 |
321 |
267 |
46 |
8 |
0 |
0 |
| OW |
1143 |
3871 |
716 |
928 |
266 |
50 |
0 |
0 |
| VODI |
3228 |
1635 |
747 |
1984 |
1654 |
184 |
10 |
0 |
| ODI |
1 |
375 |
414 |
2122 |
4484 |
1377 |
262 |
0 |
| CDI |
0 |
96 |
162 |
857 |
6650 |
19419 |
2172 |
0 |
| VCDI |
0 |
23 |
12 |
114 |
2969 |
30249 |
2822 |
0 |
|
Date: 2024-07-01:
| 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 |
72199 |
18685 |
355 |
288 |
50 |
12 |
0 |
0 |
| OW |
1245 |
4556 |
890 |
1018 |
170 |
6 |
1 |
0 |
| VODI |
2990 |
1064 |
1050 |
3723 |
1907 |
45 |
3 |
0 |
| ODI |
0 |
69 |
117 |
1428 |
8493 |
1973 |
23 |
0 |
| CDI |
0 |
36 |
31 |
526 |
4800 |
28165 |
944 |
0 |
| VCDI |
0 |
3 |
7 |
43 |
2444 |
18047 |
3404 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
72081 |
17175 |
300 |
309 |
76 |
16 |
1 |
0 |
| OW |
1155 |
4168 |
701 |
974 |
324 |
36 |
0 |
0 |
| VODI |
3198 |
2000 |
750 |
2223 |
1952 |
187 |
9 |
0 |
| ODI |
0 |
886 |
483 |
2019 |
4148 |
1180 |
45 |
0 |
| CDI |
0 |
156 |
202 |
1221 |
7301 |
18702 |
1154 |
0 |
| VCDI |
0 |
28 |
14 |
280 |
4063 |
28127 |
3166 |
0 |
|
Date: 2024-07-03:
| 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 |
73667 |
17982 |
344 |
264 |
35 |
15 |
0 |
0 |
| OW |
1245 |
4774 |
858 |
887 |
198 |
22 |
2 |
0 |
| VODI |
2972 |
1427 |
1072 |
3825 |
2335 |
148 |
12 |
0 |
| ODI |
0 |
90 |
146 |
1476 |
7164 |
2201 |
20 |
0 |
| CDI |
0 |
60 |
30 |
675 |
8303 |
23665 |
1151 |
0 |
| VCDI |
0 |
13 |
8 |
44 |
2917 |
18427 |
2336 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
73549 |
16269 |
312 |
336 |
49 |
28 |
0 |
0 |
| OW |
1151 |
4398 |
690 |
952 |
381 |
51 |
6 |
0 |
| VODI |
3183 |
2332 |
789 |
2401 |
2051 |
411 |
17 |
0 |
| ODI |
1 |
1074 |
435 |
1825 |
3536 |
1413 |
20 |
0 |
| CDI |
0 |
236 |
222 |
1505 |
9292 |
16504 |
484 |
0 |
| VCDI |
0 |
37 |
10 |
152 |
5643 |
26071 |
2994 |
0 |
|
Date: 2024-07-05:
| 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 |
74435 |
18111 |
323 |
251 |
43 |
3 |
0 |
0 |
| OW |
1283 |
5019 |
793 |
914 |
222 |
32 |
3 |
0 |
| VODI |
2946 |
1598 |
1068 |
3721 |
2371 |
278 |
2 |
0 |
| ODI |
0 |
203 |
194 |
1657 |
7016 |
1891 |
10 |
0 |
| CDI |
24 |
28 |
65 |
785 |
7449 |
25247 |
768 |
0 |
| VCDI |
9 |
2 |
5 |
45 |
1489 |
17552 |
2955 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
74320 |
16260 |
335 |
299 |
48 |
25 |
0 |
0 |
| OW |
1179 |
4387 |
619 |
932 |
383 |
46 |
0 |
0 |
| VODI |
3165 |
2835 |
724 |
2511 |
1849 |
461 |
0 |
0 |
| ODI |
0 |
1162 |
466 |
1684 |
3360 |
1612 |
25 |
0 |
| CDI |
4 |
310 |
282 |
1793 |
10320 |
18559 |
358 |
0 |
| VCDI |
29 |
7 |
22 |
154 |
2630 |
24300 |
3355 |
0 |
|
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