Validation of sea ice concentration - European sector
Bulletin date: 2023-07-06
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-06-30:
| 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 |
79935 |
12031 |
809 |
1376 |
228 |
11 |
0 |
0 |
| OW |
8 |
63 |
86 |
537 |
297 |
8 |
0 |
0 |
| VODI |
0 |
12 |
41 |
437 |
914 |
70 |
0 |
0 |
| ODI |
0 |
7 |
18 |
224 |
1162 |
447 |
10 |
0 |
| CDI |
0 |
24 |
42 |
205 |
972 |
1267 |
152 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
85 |
2808 |
4758 |
56 |
|
...date precedes bulletin
|
Date: 2023-07-02:
| 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 |
81314 |
11479 |
641 |
1057 |
190 |
5 |
0 |
0 |
| OW |
7 |
87 |
97 |
546 |
417 |
10 |
0 |
0 |
| VODI |
0 |
18 |
38 |
361 |
862 |
130 |
0 |
0 |
| ODI |
0 |
14 |
15 |
179 |
993 |
478 |
5 |
0 |
| CDI |
0 |
35 |
46 |
229 |
1213 |
1311 |
99 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
164 |
4122 |
2938 |
0 |
|
...date precedes bulletin
|
Date: 2023-07-04:
| 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 |
81667 |
11651 |
591 |
863 |
137 |
20 |
1 |
0 |
| OW |
6 |
98 |
104 |
413 |
191 |
20 |
0 |
0 |
| VODI |
0 |
35 |
54 |
537 |
783 |
40 |
2 |
0 |
| ODI |
0 |
8 |
14 |
226 |
1768 |
377 |
4 |
0 |
| CDI |
0 |
6 |
15 |
156 |
780 |
1744 |
177 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
244 |
4738 |
1630 |
0 |
|
...date precedes bulletin
|
Date: 2023-07-06:
| 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 |
83405 |
10396 |
474 |
798 |
140 |
32 |
8 |
0 |
| OW |
6 |
133 |
88 |
368 |
286 |
27 |
3 |
0 |
| VODI |
0 |
44 |
54 |
529 |
1150 |
50 |
0 |
0 |
| ODI |
0 |
17 |
13 |
174 |
1052 |
382 |
1 |
0 |
| CDI |
0 |
4 |
15 |
183 |
626 |
1732 |
137 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
550 |
5265 |
953 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
83405 |
10407 |
476 |
804 |
159 |
37 |
10 |
0 |
| OW |
6 |
118 |
87 |
338 |
273 |
27 |
1 |
0 |
| VODI |
0 |
49 |
55 |
550 |
1035 |
46 |
0 |
0 |
| ODI |
0 |
16 |
12 |
177 |
1111 |
346 |
1 |
0 |
| CDI |
0 |
4 |
14 |
183 |
674 |
1814 |
140 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
552 |
5218 |
950 |
0 |
|
Date: 2023-07-08:
| 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 |
82421 |
11312 |
629 |
944 |
217 |
21 |
0 |
0 |
| OW |
4 |
149 |
113 |
382 |
357 |
26 |
0 |
0 |
| VODI |
0 |
44 |
51 |
651 |
1163 |
15 |
0 |
0 |
| ODI |
0 |
25 |
15 |
204 |
874 |
143 |
0 |
0 |
| CDI |
0 |
10 |
30 |
218 |
741 |
1895 |
10 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
865 |
5282 |
289 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
82421 |
11325 |
631 |
954 |
254 |
29 |
0 |
0 |
| OW |
4 |
132 |
106 |
387 |
320 |
17 |
0 |
0 |
| VODI |
0 |
55 |
57 |
624 |
1128 |
15 |
0 |
0 |
| ODI |
0 |
17 |
14 |
216 |
843 |
109 |
0 |
0 |
| CDI |
0 |
11 |
30 |
218 |
866 |
1981 |
10 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
806 |
5231 |
289 |
0 |
|
Date: 2023-07-10:
| 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 |
83374 |
10661 |
564 |
794 |
193 |
14 |
0 |
0 |
| OW |
2 |
88 |
71 |
313 |
126 |
1 |
0 |
0 |
| VODI |
0 |
48 |
95 |
1066 |
777 |
4 |
0 |
0 |
| ODI |
0 |
2 |
21 |
394 |
1303 |
220 |
0 |
0 |
| CDI |
0 |
0 |
2 |
61 |
864 |
3984 |
98 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
47 |
3402 |
511 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
83372 |
10646 |
578 |
957 |
302 |
14 |
0 |
0 |
| OW |
4 |
109 |
93 |
627 |
372 |
3 |
0 |
0 |
| VODI |
0 |
32 |
46 |
670 |
907 |
11 |
0 |
0 |
| ODI |
0 |
12 |
18 |
159 |
600 |
142 |
0 |
0 |
| CDI |
0 |
0 |
18 |
207 |
604 |
2074 |
98 |
0 |
| VCDI |
0 |
0 |
0 |
8 |
525 |
5381 |
511 |
0 |
|
Date: 2023-07-12:
| 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 |
83957 |
10348 |
488 |
841 |
170 |
0 |
0 |
0 |
| OW |
1 |
88 |
96 |
533 |
179 |
2 |
0 |
0 |
| VODI |
0 |
35 |
66 |
1073 |
883 |
40 |
0 |
0 |
| ODI |
0 |
0 |
15 |
241 |
722 |
281 |
0 |
0 |
| CDI |
0 |
0 |
4 |
87 |
679 |
4015 |
2 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
113 |
3811 |
329 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
83957 |
10302 |
507 |
1150 |
280 |
0 |
0 |
0 |
| OW |
1 |
107 |
83 |
761 |
457 |
3 |
0 |
0 |
| VODI |
0 |
45 |
49 |
479 |
642 |
35 |
0 |
0 |
| ODI |
0 |
17 |
9 |
165 |
397 |
157 |
0 |
0 |
| CDI |
0 |
0 |
21 |
217 |
529 |
2149 |
2 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
441 |
5805 |
329 |
0 |
|
Date: 2023-07-14:
| 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 |
84711 |
10025 |
479 |
642 |
162 |
0 |
0 |
0 |
| OW |
0 |
132 |
148 |
733 |
255 |
0 |
0 |
0 |
| VODI |
0 |
48 |
70 |
860 |
782 |
32 |
0 |
0 |
| ODI |
0 |
4 |
16 |
205 |
404 |
329 |
7 |
0 |
| CDI |
0 |
0 |
0 |
74 |
663 |
3804 |
173 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
392 |
3839 |
109 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
84710 |
9998 |
514 |
1239 |
358 |
0 |
0 |
0 |
| OW |
1 |
112 |
111 |
570 |
472 |
1 |
0 |
0 |
| VODI |
0 |
75 |
56 |
347 |
384 |
32 |
0 |
0 |
| ODI |
0 |
20 |
15 |
170 |
253 |
153 |
0 |
0 |
| CDI |
0 |
4 |
17 |
188 |
444 |
2385 |
180 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
747 |
5433 |
109 |
0 |
|
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