Validation of sea ice concentration - Full domain
Bulletin date: 2023-06-08
Data source: OSI SAF N.H. AMSR 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 |
73476 |
16799 |
957 |
1736 |
571 |
102 |
18 |
0 |
| OW |
50 |
524 |
211 |
944 |
816 |
254 |
60 |
0 |
| VODI |
0 |
385 |
178 |
720 |
1138 |
543 |
247 |
0 |
| ODI |
0 |
234 |
103 |
505 |
1450 |
1377 |
763 |
1 |
| CDI |
0 |
248 |
115 |
485 |
1902 |
5492 |
5181 |
0 |
| VCDI |
0 |
118 |
87 |
419 |
706 |
9598 |
50715 |
7820 |
|
...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 |
72832 |
17514 |
1083 |
2005 |
841 |
218 |
19 |
0 |
| OW |
50 |
527 |
222 |
878 |
815 |
281 |
19 |
0 |
| VODI |
0 |
382 |
188 |
709 |
1377 |
780 |
106 |
0 |
| ODI |
0 |
251 |
123 |
630 |
1626 |
1943 |
500 |
0 |
| CDI |
0 |
336 |
161 |
613 |
2154 |
5506 |
3974 |
0 |
| VCDI |
0 |
143 |
116 |
292 |
725 |
7908 |
49134 |
10067 |
|
...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 |
75058 |
16582 |
1082 |
1970 |
689 |
67 |
2 |
0 |
| OW |
47 |
539 |
276 |
850 |
566 |
81 |
1 |
0 |
| VODI |
0 |
294 |
203 |
879 |
1485 |
289 |
33 |
0 |
| ODI |
0 |
199 |
125 |
599 |
2364 |
1492 |
224 |
0 |
| CDI |
0 |
160 |
122 |
508 |
2003 |
5289 |
4519 |
0 |
| VCDI |
0 |
15 |
23 |
139 |
512 |
8975 |
51996 |
6791 |
|
...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 |
75071 |
16967 |
1092 |
2170 |
681 |
71 |
0 |
0 |
| OW |
43 |
532 |
280 |
1020 |
671 |
65 |
8 |
0 |
| VODI |
0 |
365 |
174 |
1145 |
1839 |
364 |
51 |
0 |
| ODI |
0 |
227 |
125 |
689 |
2295 |
1335 |
238 |
0 |
| CDI |
0 |
363 |
175 |
1084 |
3217 |
5608 |
2878 |
4 |
| VCDI |
0 |
27 |
39 |
147 |
819 |
8484 |
46852 |
9833 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
75071 |
17003 |
1141 |
2304 |
769 |
70 |
1 |
0 |
| OW |
43 |
489 |
233 |
875 |
705 |
66 |
7 |
0 |
| VODI |
0 |
357 |
167 |
1156 |
1691 |
370 |
56 |
0 |
| ODI |
0 |
220 |
116 |
659 |
2194 |
1314 |
262 |
0 |
| CDI |
0 |
375 |
172 |
1046 |
3314 |
5480 |
2732 |
2 |
| VCDI |
0 |
37 |
56 |
215 |
849 |
8627 |
46969 |
9835 |
|
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 |
74921 |
17652 |
1133 |
2292 |
826 |
34 |
0 |
0 |
| OW |
41 |
613 |
324 |
1133 |
914 |
104 |
3 |
0 |
| VODI |
0 |
400 |
198 |
1180 |
1965 |
553 |
64 |
0 |
| ODI |
0 |
241 |
116 |
497 |
2077 |
1714 |
168 |
0 |
| CDI |
0 |
198 |
127 |
545 |
2202 |
7396 |
2552 |
7 |
| VCDI |
0 |
110 |
59 |
214 |
1079 |
10876 |
45639 |
6881 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
74921 |
17711 |
1164 |
2455 |
987 |
35 |
0 |
0 |
| OW |
41 |
520 |
273 |
933 |
919 |
106 |
6 |
0 |
| VODI |
0 |
422 |
219 |
1187 |
1731 |
560 |
66 |
0 |
| ODI |
0 |
225 |
107 |
509 |
2008 |
1625 |
184 |
0 |
| CDI |
0 |
220 |
135 |
579 |
2354 |
7425 |
2554 |
7 |
| VCDI |
0 |
116 |
59 |
198 |
1064 |
10926 |
45616 |
6881 |
|
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 |
75873 |
17773 |
1118 |
2223 |
621 |
23 |
0 |
0 |
| OW |
38 |
1039 |
429 |
1081 |
522 |
54 |
5 |
0 |
| VODI |
0 |
617 |
337 |
1661 |
1939 |
223 |
18 |
0 |
| ODI |
0 |
250 |
124 |
864 |
3696 |
1594 |
127 |
0 |
| CDI |
0 |
112 |
55 |
499 |
2220 |
6827 |
2253 |
0 |
| VCDI |
0 |
9 |
11 |
33 |
392 |
11713 |
47121 |
3554 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
75873 |
17347 |
1212 |
2907 |
1166 |
75 |
4 |
0 |
| OW |
38 |
686 |
211 |
946 |
1090 |
160 |
41 |
0 |
| VODI |
0 |
527 |
252 |
915 |
1961 |
573 |
127 |
0 |
| ODI |
0 |
392 |
151 |
585 |
1831 |
1268 |
285 |
0 |
| CDI |
0 |
661 |
200 |
855 |
2378 |
5300 |
3738 |
13 |
| VCDI |
0 |
187 |
48 |
153 |
964 |
13058 |
45329 |
3541 |
|
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 |
75936 |
18544 |
1273 |
2725 |
781 |
562 |
6 |
0 |
| OW |
24 |
708 |
299 |
1330 |
884 |
366 |
24 |
0 |
| VODI |
0 |
327 |
263 |
1238 |
2060 |
912 |
53 |
0 |
| ODI |
0 |
178 |
80 |
436 |
2251 |
2050 |
189 |
0 |
| CDI |
0 |
122 |
97 |
399 |
1705 |
6814 |
3340 |
0 |
| VCDI |
0 |
2 |
5 |
21 |
299 |
9843 |
41068 |
9834 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
75936 |
17814 |
1225 |
3508 |
1359 |
159 |
15 |
0 |
| OW |
24 |
750 |
267 |
925 |
1148 |
261 |
46 |
0 |
| VODI |
0 |
560 |
177 |
680 |
1868 |
745 |
134 |
0 |
| ODI |
0 |
291 |
162 |
389 |
1547 |
2217 |
280 |
0 |
| CDI |
0 |
275 |
129 |
509 |
1452 |
6147 |
5451 |
0 |
| VCDI |
0 |
191 |
57 |
138 |
606 |
11018 |
38754 |
9834 |
|
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 |
76184 |
19212 |
1317 |
2785 |
980 |
596 |
0 |
0 |
| OW |
20 |
763 |
369 |
1447 |
1094 |
395 |
20 |
0 |
| VODI |
0 |
407 |
217 |
1012 |
2193 |
857 |
80 |
0 |
| ODI |
0 |
228 |
117 |
357 |
2017 |
1847 |
129 |
0 |
| CDI |
0 |
125 |
129 |
473 |
2380 |
7381 |
3857 |
0 |
| VCDI |
0 |
0 |
6 |
177 |
1119 |
7665 |
36869 |
12224 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
76182 |
18387 |
1351 |
3585 |
1505 |
180 |
34 |
0 |
| OW |
22 |
803 |
223 |
795 |
1180 |
363 |
75 |
0 |
| VODI |
0 |
618 |
176 |
658 |
1644 |
1002 |
91 |
0 |
| ODI |
0 |
373 |
154 |
387 |
1561 |
2040 |
229 |
0 |
| CDI |
0 |
345 |
183 |
548 |
2172 |
6866 |
6239 |
21 |
| VCDI |
0 |
209 |
68 |
278 |
1721 |
8290 |
34287 |
12203 |
|
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