Validation of sea ice concentration - European sector
Bulletin date: 2023-09-07
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-09-08:
| 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 |
86497 |
3506 |
14 |
5 |
0 |
0 |
0 |
0 |
| OW |
1 |
545 |
180 |
140 |
0 |
0 |
0 |
0 |
| VODI |
0 |
97 |
75 |
877 |
77 |
1 |
0 |
0 |
| ODI |
0 |
0 |
0 |
253 |
1263 |
221 |
0 |
0 |
| CDI |
0 |
0 |
0 |
5 |
1520 |
4004 |
82 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
725 |
328 |
0 |
|
...date precedes bulletin
|
Date: 2023-09-10:
| 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 |
87257 |
2770 |
10 |
4 |
0 |
0 |
0 |
0 |
| OW |
1 |
648 |
126 |
139 |
0 |
0 |
0 |
0 |
| VODI |
0 |
150 |
152 |
795 |
58 |
1 |
0 |
0 |
| ODI |
0 |
0 |
3 |
473 |
1079 |
38 |
0 |
0 |
| CDI |
0 |
0 |
0 |
4 |
1847 |
4297 |
94 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
438 |
32 |
0 |
|
...date precedes bulletin
|
Date: 2023-09-12:
| 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 |
87478 |
2912 |
37 |
8 |
0 |
0 |
0 |
0 |
| OW |
1 |
518 |
216 |
241 |
0 |
0 |
0 |
0 |
| VODI |
0 |
11 |
45 |
1053 |
84 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
227 |
1738 |
284 |
0 |
0 |
| CDI |
0 |
0 |
0 |
10 |
561 |
4034 |
164 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
765 |
29 |
0 |
|
...date precedes bulletin
|
Date: 2023-09-14:
| 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 |
87311 |
3081 |
28 |
10 |
0 |
0 |
0 |
0 |
| OW |
0 |
618 |
197 |
152 |
0 |
0 |
0 |
0 |
| VODI |
0 |
40 |
137 |
955 |
71 |
0 |
0 |
0 |
| ODI |
0 |
3 |
1 |
325 |
1630 |
411 |
0 |
0 |
| CDI |
0 |
0 |
1 |
9 |
673 |
3389 |
101 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1137 |
136 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
87311 |
2944 |
36 |
7 |
0 |
0 |
0 |
0 |
| OW |
0 |
591 |
146 |
165 |
1 |
0 |
0 |
0 |
| VODI |
0 |
182 |
141 |
644 |
66 |
0 |
0 |
0 |
| ODI |
0 |
21 |
38 |
520 |
681 |
83 |
0 |
0 |
| CDI |
0 |
4 |
3 |
115 |
1626 |
3709 |
101 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1145 |
136 |
0 |
|
Date: 2023-09-16:
| 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 |
86815 |
3561 |
38 |
6 |
0 |
0 |
0 |
0 |
| OW |
0 |
590 |
178 |
257 |
2 |
0 |
0 |
0 |
| VODI |
0 |
65 |
79 |
875 |
153 |
2 |
0 |
0 |
| ODI |
0 |
1 |
1 |
280 |
1326 |
151 |
0 |
0 |
| CDI |
0 |
0 |
0 |
6 |
515 |
3246 |
4 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1967 |
298 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
86815 |
3405 |
41 |
9 |
0 |
0 |
0 |
0 |
| OW |
0 |
562 |
155 |
264 |
1 |
0 |
0 |
0 |
| VODI |
0 |
211 |
55 |
580 |
119 |
1 |
0 |
0 |
| ODI |
0 |
36 |
42 |
462 |
661 |
47 |
0 |
0 |
| CDI |
0 |
3 |
3 |
109 |
1215 |
3408 |
12 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1910 |
290 |
0 |
|
Date: 2023-09-18:
| 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 |
87485 |
2892 |
20 |
4 |
0 |
0 |
0 |
0 |
| OW |
0 |
618 |
267 |
109 |
0 |
0 |
0 |
0 |
| VODI |
0 |
12 |
37 |
1152 |
164 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
161 |
1585 |
44 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
156 |
3710 |
3 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1676 |
321 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
87485 |
2523 |
33 |
9 |
0 |
0 |
0 |
0 |
| OW |
0 |
703 |
145 |
229 |
0 |
0 |
0 |
0 |
| VODI |
0 |
238 |
101 |
581 |
130 |
0 |
0 |
0 |
| ODI |
0 |
52 |
42 |
522 |
772 |
45 |
0 |
0 |
| CDI |
0 |
6 |
3 |
85 |
1003 |
2608 |
8 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2777 |
316 |
0 |
|
Date: 2023-09-20:
| 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 |
86958 |
3103 |
60 |
65 |
0 |
0 |
0 |
0 |
| OW |
0 |
570 |
234 |
224 |
7 |
0 |
0 |
0 |
| VODI |
0 |
10 |
47 |
840 |
422 |
17 |
0 |
0 |
| ODI |
0 |
0 |
0 |
20 |
1465 |
238 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
131 |
3512 |
4 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2268 |
221 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
86958 |
2832 |
73 |
68 |
0 |
0 |
0 |
0 |
| OW |
0 |
544 |
161 |
355 |
27 |
0 |
0 |
0 |
| VODI |
0 |
235 |
55 |
411 |
273 |
7 |
0 |
0 |
| ODI |
0 |
64 |
45 |
280 |
733 |
130 |
0 |
0 |
| CDI |
0 |
8 |
7 |
35 |
988 |
2440 |
1 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
4 |
3458 |
224 |
0 |
|
Date: 2023-09-22:
| 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 |
86590 |
3089 |
109 |
91 |
0 |
0 |
0 |
0 |
| OW |
0 |
680 |
175 |
272 |
8 |
0 |
0 |
0 |
| VODI |
0 |
43 |
75 |
828 |
389 |
4 |
0 |
0 |
| ODI |
0 |
0 |
0 |
62 |
1384 |
354 |
0 |
0 |
| CDI |
0 |
0 |
0 |
3 |
272 |
3210 |
34 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2023 |
721 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
86590 |
3038 |
147 |
110 |
0 |
0 |
0 |
0 |
| OW |
0 |
432 |
132 |
485 |
42 |
0 |
0 |
0 |
| VODI |
0 |
255 |
27 |
306 |
307 |
0 |
0 |
0 |
| ODI |
0 |
62 |
34 |
190 |
552 |
76 |
0 |
0 |
| CDI |
0 |
25 |
19 |
165 |
1151 |
1773 |
18 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
3742 |
737 |
0 |
|
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