Validation of sea ice concentration - European sector
Bulletin date: 2023-08-31
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-08-25:
| 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 |
93977 |
4946 |
369 |
383 |
10 |
0 |
0 |
0 |
| OW |
0 |
29 |
42 |
343 |
47 |
0 |
0 |
0 |
| VODI |
0 |
1 |
10 |
349 |
260 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
99 |
722 |
68 |
0 |
0 |
| CDI |
0 |
0 |
0 |
6 |
914 |
2212 |
408 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1546 |
2359 |
0 |
|
...date precedes bulletin
|
Date: 2023-08-27:
| 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 |
92513 |
6506 |
304 |
360 |
25 |
0 |
0 |
0 |
| OW |
0 |
40 |
62 |
336 |
85 |
0 |
0 |
0 |
| VODI |
0 |
2 |
7 |
284 |
293 |
3 |
0 |
0 |
| ODI |
0 |
0 |
0 |
106 |
634 |
169 |
0 |
0 |
| CDI |
0 |
0 |
0 |
25 |
819 |
2088 |
1038 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
124 |
1940 |
1337 |
0 |
|
...date precedes bulletin
|
Date: 2023-08-29:
| 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 |
95661 |
3514 |
289 |
252 |
4 |
0 |
0 |
0 |
| OW |
0 |
25 |
60 |
293 |
14 |
0 |
0 |
0 |
| VODI |
0 |
3 |
7 |
439 |
223 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
62 |
1045 |
358 |
0 |
0 |
| CDI |
0 |
0 |
0 |
20 |
967 |
3179 |
336 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1487 |
862 |
0 |
|
...date precedes bulletin
|
Date: 2023-08-31:
| 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 |
94998 |
3992 |
342 |
361 |
53 |
0 |
0 |
0 |
| OW |
0 |
12 |
59 |
371 |
26 |
0 |
0 |
0 |
| VODI |
0 |
0 |
4 |
451 |
215 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
160 |
1134 |
121 |
0 |
0 |
| CDI |
0 |
0 |
0 |
30 |
1161 |
2891 |
570 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
94 |
1403 |
652 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
94998 |
3979 |
343 |
394 |
54 |
0 |
0 |
0 |
| OW |
0 |
25 |
60 |
336 |
32 |
0 |
0 |
0 |
| VODI |
0 |
0 |
2 |
439 |
218 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
183 |
1107 |
109 |
0 |
0 |
| CDI |
0 |
0 |
0 |
21 |
1165 |
2837 |
563 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
107 |
1469 |
659 |
0 |
|
Date: 2023-09-02:
| 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 |
94397 |
5000 |
220 |
236 |
3 |
0 |
0 |
0 |
| OW |
0 |
121 |
81 |
302 |
11 |
0 |
0 |
0 |
| VODI |
0 |
6 |
37 |
420 |
163 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
262 |
966 |
47 |
0 |
0 |
| CDI |
0 |
0 |
0 |
45 |
1646 |
3130 |
46 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
109 |
1765 |
87 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
94397 |
5000 |
217 |
281 |
3 |
0 |
0 |
0 |
| OW |
0 |
114 |
78 |
262 |
10 |
0 |
0 |
0 |
| VODI |
0 |
13 |
41 |
420 |
138 |
0 |
0 |
0 |
| ODI |
0 |
0 |
2 |
255 |
966 |
29 |
0 |
0 |
| CDI |
0 |
0 |
0 |
47 |
1655 |
2932 |
46 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
126 |
1981 |
87 |
0 |
|
Date: 2023-09-04:
| 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 |
96193 |
3426 |
231 |
303 |
1 |
0 |
0 |
0 |
| OW |
0 |
25 |
68 |
320 |
9 |
0 |
0 |
0 |
| VODI |
0 |
0 |
2 |
636 |
144 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
127 |
1421 |
42 |
0 |
0 |
| CDI |
0 |
0 |
0 |
5 |
1082 |
4199 |
234 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
573 |
59 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
96193 |
3298 |
187 |
396 |
10 |
0 |
0 |
0 |
| OW |
0 |
131 |
61 |
281 |
27 |
0 |
0 |
0 |
| VODI |
0 |
22 |
53 |
343 |
180 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
323 |
731 |
38 |
0 |
0 |
| CDI |
0 |
0 |
0 |
48 |
1598 |
3068 |
197 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
111 |
1708 |
96 |
0 |
|
Date: 2023-09-06:
| 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 |
96104 |
3503 |
261 |
375 |
0 |
0 |
0 |
0 |
| OW |
0 |
23 |
52 |
378 |
1 |
0 |
0 |
0 |
| VODI |
0 |
1 |
11 |
552 |
110 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
272 |
1256 |
117 |
0 |
0 |
| CDI |
0 |
0 |
0 |
3 |
586 |
3450 |
366 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1642 |
37 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
96104 |
3368 |
196 |
465 |
5 |
0 |
0 |
0 |
| OW |
0 |
119 |
70 |
298 |
20 |
0 |
0 |
0 |
| VODI |
0 |
40 |
55 |
338 |
181 |
0 |
0 |
0 |
| ODI |
0 |
0 |
3 |
402 |
613 |
34 |
0 |
0 |
| CDI |
0 |
0 |
0 |
77 |
1110 |
3000 |
366 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
24 |
2175 |
37 |
0 |
|
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 |
95886 |
3852 |
262 |
213 |
0 |
0 |
0 |
0 |
| OW |
0 |
49 |
91 |
344 |
2 |
0 |
0 |
0 |
| VODI |
0 |
6 |
18 |
468 |
103 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
365 |
1200 |
70 |
0 |
0 |
| CDI |
0 |
0 |
0 |
13 |
563 |
3148 |
61 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
12 |
2241 |
133 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
95886 |
3732 |
251 |
365 |
0 |
0 |
0 |
0 |
| OW |
0 |
135 |
63 |
253 |
50 |
0 |
0 |
0 |
| VODI |
0 |
36 |
54 |
332 |
217 |
0 |
0 |
0 |
| ODI |
0 |
4 |
3 |
341 |
491 |
51 |
0 |
0 |
| CDI |
0 |
0 |
0 |
112 |
1064 |
2820 |
58 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
58 |
2588 |
136 |
0 |
|
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