Validation of sea ice concentration - European sector
Bulletin date: 2023-07-13
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-07-07:
| 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 |
82653 |
11242 |
502 |
813 |
161 |
36 |
2 |
0 |
| OW |
6 |
140 |
104 |
373 |
304 |
33 |
6 |
0 |
| VODI |
0 |
41 |
55 |
665 |
1114 |
28 |
1 |
0 |
| ODI |
0 |
18 |
15 |
183 |
877 |
289 |
0 |
0 |
| CDI |
0 |
8 |
22 |
207 |
681 |
1871 |
36 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
731 |
5119 |
764 |
0 |
|
...date precedes bulletin
|
Date: 2023-07-09:
| 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 |
83436 |
10444 |
620 |
946 |
222 |
26 |
0 |
0 |
| OW |
4 |
123 |
93 |
576 |
333 |
6 |
0 |
0 |
| VODI |
0 |
41 |
41 |
800 |
976 |
18 |
0 |
0 |
| ODI |
0 |
21 |
8 |
165 |
728 |
178 |
0 |
0 |
| CDI |
0 |
8 |
26 |
249 |
643 |
2053 |
38 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
923 |
4690 |
665 |
0 |
|
...date precedes bulletin
|
Date: 2023-07-11:
| 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 |
83312 |
10846 |
539 |
814 |
209 |
9 |
0 |
0 |
| OW |
1 |
79 |
84 |
412 |
133 |
2 |
0 |
0 |
| VODI |
0 |
43 |
95 |
1210 |
798 |
9 |
0 |
0 |
| ODI |
0 |
0 |
14 |
313 |
918 |
237 |
0 |
0 |
| CDI |
0 |
0 |
10 |
73 |
770 |
4009 |
31 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
86 |
3439 |
605 |
0 |
|
...date precedes bulletin
|
Date: 2023-07-13:
| 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 |
82937 |
11480 |
510 |
785 |
180 |
1 |
0 |
0 |
| OW |
0 |
102 |
135 |
687 |
213 |
1 |
0 |
0 |
| VODI |
0 |
41 |
66 |
954 |
859 |
14 |
0 |
0 |
| ODI |
0 |
3 |
16 |
216 |
556 |
311 |
4 |
0 |
| CDI |
0 |
0 |
13 |
66 |
636 |
3839 |
181 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
320 |
3403 |
570 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
82937 |
11479 |
516 |
843 |
198 |
1 |
0 |
0 |
| OW |
0 |
91 |
117 |
670 |
219 |
1 |
0 |
0 |
| VODI |
0 |
51 |
76 |
896 |
824 |
25 |
0 |
0 |
| ODI |
0 |
5 |
18 |
219 |
545 |
251 |
6 |
0 |
| CDI |
0 |
0 |
13 |
81 |
668 |
3856 |
179 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
310 |
3435 |
570 |
0 |
|
Date: 2023-07-15:
| 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 |
83901 |
10954 |
460 |
718 |
149 |
0 |
0 |
0 |
| OW |
0 |
141 |
183 |
805 |
193 |
6 |
0 |
0 |
| VODI |
0 |
45 |
55 |
875 |
593 |
31 |
0 |
0 |
| ODI |
0 |
3 |
16 |
199 |
420 |
270 |
2 |
0 |
| CDI |
0 |
0 |
1 |
77 |
481 |
4096 |
103 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
88 |
3923 |
312 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
83901 |
10957 |
487 |
875 |
155 |
0 |
0 |
0 |
| OW |
0 |
125 |
138 |
710 |
210 |
6 |
0 |
0 |
| VODI |
0 |
56 |
72 |
794 |
580 |
41 |
0 |
0 |
| ODI |
0 |
5 |
15 |
209 |
372 |
225 |
3 |
0 |
| CDI |
0 |
0 |
3 |
86 |
524 |
4105 |
102 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
83 |
3949 |
312 |
0 |
|
Date: 2023-07-17:
| 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 |
86076 |
8976 |
499 |
622 |
149 |
4 |
0 |
0 |
| OW |
0 |
121 |
160 |
440 |
75 |
3 |
0 |
0 |
| VODI |
0 |
28 |
125 |
1103 |
492 |
5 |
0 |
0 |
| ODI |
0 |
1 |
10 |
279 |
597 |
232 |
0 |
0 |
| CDI |
0 |
0 |
0 |
24 |
544 |
4876 |
112 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
7 |
3287 |
253 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
86076 |
8909 |
552 |
1036 |
182 |
3 |
0 |
0 |
| OW |
0 |
147 |
146 |
653 |
278 |
4 |
0 |
0 |
| VODI |
0 |
63 |
73 |
507 |
477 |
45 |
0 |
0 |
| ODI |
0 |
5 |
14 |
195 |
297 |
308 |
15 |
0 |
| CDI |
0 |
2 |
9 |
77 |
615 |
3763 |
154 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
15 |
4284 |
196 |
0 |
|
Date: 2023-07-19:
| 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 |
85959 |
9413 |
472 |
681 |
197 |
0 |
0 |
0 |
| OW |
0 |
148 |
136 |
617 |
116 |
4 |
0 |
0 |
| VODI |
0 |
28 |
72 |
706 |
524 |
50 |
0 |
0 |
| ODI |
0 |
0 |
10 |
157 |
350 |
253 |
24 |
0 |
| CDI |
0 |
0 |
0 |
38 |
411 |
4953 |
329 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
10 |
2851 |
591 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
85959 |
9339 |
497 |
1059 |
251 |
0 |
0 |
0 |
| OW |
0 |
188 |
135 |
593 |
307 |
10 |
0 |
0 |
| VODI |
0 |
56 |
42 |
328 |
341 |
105 |
3 |
0 |
| ODI |
0 |
6 |
13 |
145 |
242 |
317 |
26 |
0 |
| CDI |
0 |
0 |
3 |
74 |
464 |
3830 |
321 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
3849 |
594 |
0 |
|
Date: 2023-07-21:
| 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 |
85681 |
9804 |
539 |
814 |
98 |
3 |
0 |
0 |
| OW |
0 |
219 |
200 |
601 |
110 |
7 |
0 |
0 |
| VODI |
0 |
38 |
80 |
536 |
423 |
39 |
0 |
0 |
| ODI |
0 |
4 |
10 |
174 |
305 |
234 |
3 |
0 |
| CDI |
0 |
0 |
1 |
61 |
437 |
5323 |
155 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
2228 |
971 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
85681 |
9791 |
642 |
1223 |
179 |
4 |
0 |
0 |
| OW |
0 |
209 |
124 |
393 |
185 |
8 |
0 |
0 |
| VODI |
0 |
60 |
45 |
323 |
302 |
89 |
0 |
0 |
| ODI |
0 |
3 |
11 |
147 |
200 |
304 |
29 |
0 |
| CDI |
0 |
2 |
8 |
100 |
504 |
4055 |
103 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
5 |
3374 |
997 |
0 |
|
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