Validation of sea ice concentration - Full domain
Bulletin date: 2023-06-15
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-06-09:
| 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 |
75124 |
17181 |
1089 |
2229 |
704 |
68 |
1 |
0 |
| OW |
42 |
582 |
310 |
1094 |
786 |
77 |
2 |
0 |
| VODI |
0 |
369 |
192 |
1211 |
2052 |
363 |
41 |
0 |
| ODI |
0 |
258 |
120 |
606 |
2259 |
1404 |
179 |
0 |
| CDI |
0 |
212 |
125 |
520 |
3274 |
6573 |
2520 |
0 |
| VCDI |
0 |
73 |
48 |
167 |
859 |
9015 |
48776 |
6543 |
|
...date precedes bulletin
|
Date: 2023-06-11:
| 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 |
74971 |
17890 |
1131 |
2358 |
906 |
38 |
0 |
0 |
| OW |
41 |
673 |
289 |
1127 |
1143 |
150 |
16 |
0 |
| VODI |
0 |
455 |
221 |
925 |
2129 |
612 |
108 |
0 |
| ODI |
0 |
225 |
128 |
562 |
1940 |
1556 |
315 |
0 |
| CDI |
0 |
218 |
125 |
550 |
2524 |
6846 |
2871 |
1 |
| VCDI |
0 |
149 |
56 |
206 |
1269 |
11992 |
45583 |
4749 |
|
...date precedes bulletin
|
Date: 2023-06-13:
| 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 |
76175 |
18120 |
1222 |
2505 |
917 |
96 |
3 |
0 |
| OW |
37 |
686 |
355 |
1249 |
911 |
113 |
6 |
0 |
| VODI |
0 |
329 |
284 |
1508 |
2173 |
469 |
26 |
0 |
| ODI |
0 |
254 |
112 |
619 |
2828 |
1757 |
197 |
0 |
| CDI |
0 |
107 |
78 |
352 |
1595 |
6768 |
3066 |
0 |
| VCDI |
0 |
1 |
4 |
27 |
161 |
11189 |
45697 |
5052 |
|
...date precedes bulletin
|
Date: 2023-06-15:
| 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 |
76329 |
18853 |
1302 |
2681 |
698 |
677 |
7 |
0 |
| OW |
23 |
690 |
327 |
1425 |
980 |
398 |
16 |
0 |
| VODI |
0 |
363 |
215 |
1141 |
1995 |
1048 |
82 |
0 |
| ODI |
0 |
158 |
126 |
396 |
1921 |
1996 |
242 |
0 |
| CDI |
0 |
110 |
113 |
435 |
2051 |
6897 |
3502 |
0 |
| VCDI |
0 |
5 |
6 |
15 |
815 |
9084 |
40510 |
9416 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
76329 |
18944 |
1346 |
3125 |
886 |
690 |
9 |
0 |
| OW |
23 |
596 |
292 |
1071 |
796 |
406 |
15 |
0 |
| VODI |
0 |
348 |
205 |
1017 |
1872 |
1094 |
95 |
0 |
| ODI |
0 |
172 |
123 |
385 |
1922 |
1835 |
227 |
0 |
| CDI |
0 |
115 |
116 |
479 |
2113 |
6870 |
3420 |
0 |
| VCDI |
0 |
4 |
7 |
16 |
871 |
9205 |
40593 |
9416 |
|
Date: 2023-06-17:
| 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 |
76221 |
19343 |
1353 |
2924 |
1667 |
133 |
0 |
0 |
| OW |
19 |
763 |
410 |
1447 |
1504 |
191 |
10 |
0 |
| VODI |
0 |
437 |
227 |
1045 |
2392 |
562 |
51 |
0 |
| ODI |
0 |
265 |
109 |
426 |
2358 |
1281 |
133 |
0 |
| CDI |
0 |
144 |
122 |
646 |
2805 |
6930 |
3885 |
0 |
| VCDI |
0 |
9 |
18 |
346 |
1300 |
7427 |
35538 |
12607 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
76220 |
19507 |
1456 |
3281 |
1834 |
165 |
1 |
0 |
| OW |
20 |
608 |
321 |
1092 |
1322 |
162 |
11 |
0 |
| VODI |
0 |
405 |
199 |
1033 |
2402 |
610 |
48 |
0 |
| ODI |
0 |
285 |
117 |
411 |
2264 |
1158 |
110 |
0 |
| CDI |
0 |
147 |
129 |
684 |
2834 |
6647 |
3782 |
0 |
| VCDI |
0 |
9 |
17 |
333 |
1370 |
7782 |
35665 |
12607 |
|
Date: 2023-06-19:
| 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 |
76181 |
20330 |
1355 |
2962 |
1603 |
25 |
1 |
0 |
| OW |
18 |
840 |
419 |
1362 |
910 |
53 |
6 |
0 |
| VODI |
0 |
459 |
375 |
1894 |
2344 |
175 |
8 |
0 |
| ODI |
0 |
97 |
79 |
784 |
4207 |
1353 |
53 |
0 |
| CDI |
0 |
44 |
66 |
335 |
3068 |
8958 |
1601 |
0 |
| VCDI |
0 |
0 |
4 |
26 |
1067 |
7553 |
35417 |
11016 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
76181 |
20005 |
1468 |
3797 |
2387 |
52 |
6 |
0 |
| OW |
18 |
702 |
308 |
1226 |
1402 |
167 |
11 |
0 |
| VODI |
0 |
537 |
211 |
1001 |
2135 |
432 |
43 |
0 |
| ODI |
0 |
335 |
149 |
574 |
2136 |
962 |
188 |
0 |
| CDI |
0 |
178 |
152 |
716 |
3649 |
6794 |
3831 |
0 |
| VCDI |
0 |
13 |
10 |
49 |
1490 |
9710 |
33007 |
11016 |
|
Date: 2023-06-21:
| 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 |
76973 |
20888 |
1683 |
3921 |
1092 |
13 |
3 |
0 |
| OW |
16 |
902 |
470 |
1707 |
1017 |
108 |
9 |
0 |
| VODI |
0 |
431 |
257 |
1559 |
2435 |
304 |
24 |
0 |
| ODI |
0 |
146 |
103 |
599 |
3008 |
1574 |
112 |
0 |
| CDI |
0 |
69 |
96 |
405 |
3558 |
8782 |
1610 |
0 |
| VCDI |
0 |
0 |
0 |
49 |
1612 |
10294 |
29184 |
12035 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
76973 |
20258 |
1709 |
4664 |
1718 |
51 |
16 |
0 |
| OW |
16 |
845 |
269 |
1290 |
1214 |
176 |
18 |
0 |
| VODI |
0 |
615 |
245 |
857 |
1817 |
489 |
57 |
0 |
| ODI |
0 |
432 |
202 |
630 |
1899 |
1283 |
243 |
0 |
| CDI |
0 |
278 |
164 |
660 |
3990 |
9081 |
4835 |
0 |
| VCDI |
0 |
8 |
20 |
139 |
2084 |
9995 |
25773 |
12035 |
|
Date: 2023-06-23:
| 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 |
77374 |
21263 |
1650 |
4718 |
1110 |
54 |
6 |
0 |
| OW |
14 |
809 |
379 |
1838 |
1056 |
164 |
23 |
0 |
| VODI |
0 |
358 |
222 |
1287 |
2578 |
503 |
68 |
0 |
| ODI |
0 |
173 |
108 |
518 |
2542 |
1515 |
255 |
0 |
| CDI |
0 |
75 |
128 |
619 |
3801 |
8101 |
2180 |
0 |
| VCDI |
0 |
0 |
3 |
63 |
1096 |
11542 |
25567 |
13288 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
77374 |
20603 |
1621 |
5507 |
1729 |
153 |
34 |
0 |
| OW |
14 |
690 |
222 |
1023 |
1126 |
276 |
25 |
0 |
| VODI |
0 |
648 |
222 |
921 |
1717 |
581 |
98 |
0 |
| ODI |
0 |
451 |
184 |
594 |
1829 |
1496 |
354 |
0 |
| CDI |
0 |
273 |
219 |
848 |
4456 |
10175 |
5937 |
709 |
| VCDI |
0 |
13 |
22 |
150 |
1326 |
9198 |
21651 |
12579 |
|
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