Validation of sea ice concentration - European sector
Bulletin date: 2024-08-15
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-08-09:
| 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 |
85383 |
3888 |
55 |
20 |
0 |
0 |
0 |
0 |
| OW |
2244 |
895 |
181 |
206 |
30 |
0 |
1 |
0 |
| VODI |
1717 |
191 |
203 |
577 |
219 |
32 |
5 |
0 |
| ODI |
0 |
2 |
4 |
172 |
1232 |
781 |
15 |
0 |
| CDI |
0 |
0 |
0 |
2 |
131 |
2572 |
1752 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
339 |
13 |
|
...date precedes bulletin
|
Date: 2024-08-11:
| 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 |
87380 |
2179 |
39 |
11 |
3 |
0 |
0 |
0 |
| OW |
2228 |
955 |
178 |
186 |
33 |
1 |
0 |
0 |
| VODI |
1681 |
212 |
158 |
548 |
141 |
38 |
2 |
0 |
| ODI |
0 |
5 |
17 |
274 |
1122 |
500 |
9 |
0 |
| CDI |
0 |
0 |
0 |
0 |
316 |
3394 |
888 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
3 |
361 |
0 |
|
...date precedes bulletin
|
Date: 2024-08-13:
| 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 |
87396 |
2620 |
58 |
36 |
8 |
0 |
0 |
0 |
| OW |
2327 |
948 |
164 |
129 |
27 |
0 |
0 |
0 |
| VODI |
1540 |
101 |
190 |
701 |
161 |
16 |
0 |
0 |
| ODI |
0 |
0 |
2 |
189 |
1491 |
305 |
6 |
0 |
| CDI |
0 |
0 |
0 |
0 |
221 |
3374 |
653 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
54 |
145 |
0 |
|
...date precedes bulletin
|
Date: 2024-08-15:
| 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 |
87702 |
2476 |
34 |
33 |
6 |
0 |
0 |
0 |
| OW |
2359 |
937 |
127 |
126 |
16 |
0 |
0 |
0 |
| VODI |
1496 |
243 |
213 |
613 |
164 |
9 |
0 |
0 |
| ODI |
0 |
3 |
11 |
280 |
1370 |
416 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
566 |
2972 |
550 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
7 |
133 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
87698 |
2601 |
31 |
40 |
7 |
0 |
0 |
0 |
| OW |
2361 |
825 |
131 |
119 |
13 |
0 |
0 |
0 |
| VODI |
1498 |
230 |
211 |
621 |
174 |
9 |
0 |
0 |
| ODI |
0 |
3 |
12 |
272 |
1290 |
302 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
638 |
3067 |
488 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
26 |
195 |
0 |
|
Date: 2024-08-17:
| 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 |
87918 |
2437 |
51 |
46 |
14 |
0 |
0 |
0 |
| OW |
2398 |
888 |
117 |
79 |
21 |
0 |
0 |
0 |
| VODI |
1447 |
251 |
217 |
562 |
152 |
16 |
1 |
0 |
| ODI |
0 |
2 |
6 |
208 |
1542 |
379 |
13 |
0 |
| CDI |
0 |
0 |
0 |
0 |
370 |
2352 |
1205 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
16 |
154 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
87983 |
2560 |
45 |
40 |
10 |
0 |
0 |
0 |
| OW |
2468 |
771 |
135 |
82 |
24 |
0 |
0 |
0 |
| VODI |
1312 |
245 |
202 |
564 |
183 |
15 |
1 |
0 |
| ODI |
0 |
2 |
9 |
209 |
1354 |
310 |
11 |
0 |
| CDI |
0 |
0 |
0 |
0 |
528 |
2384 |
1136 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
54 |
225 |
0 |
|
Date: 2024-08-19:
| 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 |
88397 |
2707 |
53 |
63 |
8 |
0 |
0 |
0 |
| OW |
2607 |
655 |
176 |
93 |
9 |
0 |
0 |
0 |
| VODI |
1149 |
26 |
115 |
641 |
156 |
10 |
0 |
0 |
| ODI |
0 |
0 |
0 |
109 |
1730 |
173 |
13 |
0 |
| CDI |
0 |
0 |
0 |
6 |
231 |
2972 |
195 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
189 |
379 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
88382 |
2368 |
28 |
40 |
0 |
0 |
0 |
0 |
| OW |
2504 |
736 |
114 |
73 |
13 |
0 |
0 |
0 |
| VODI |
1267 |
284 |
198 |
560 |
139 |
22 |
0 |
0 |
| ODI |
0 |
0 |
4 |
232 |
1301 |
200 |
9 |
0 |
| CDI |
0 |
0 |
0 |
7 |
681 |
3074 |
505 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
48 |
73 |
0 |
|
Date: 2024-08-21:
| 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 |
88549 |
2744 |
39 |
55 |
7 |
0 |
0 |
0 |
| OW |
2645 |
605 |
163 |
132 |
9 |
0 |
0 |
0 |
| VODI |
1106 |
51 |
111 |
604 |
143 |
8 |
0 |
0 |
| ODI |
0 |
0 |
0 |
86 |
1763 |
134 |
0 |
0 |
| CDI |
0 |
0 |
0 |
10 |
333 |
2622 |
342 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
65 |
536 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
88532 |
2359 |
30 |
42 |
0 |
0 |
0 |
0 |
| OW |
2548 |
711 |
94 |
85 |
17 |
0 |
0 |
0 |
| VODI |
1220 |
326 |
180 |
521 |
130 |
17 |
0 |
0 |
| ODI |
0 |
4 |
9 |
229 |
1238 |
246 |
0 |
0 |
| CDI |
0 |
0 |
0 |
10 |
870 |
2561 |
749 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
5 |
129 |
0 |
|
Date: 2024-08-23:
| 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 |
88831 |
2510 |
55 |
55 |
0 |
0 |
0 |
0 |
| OW |
2701 |
500 |
167 |
181 |
15 |
0 |
0 |
0 |
| VODI |
1060 |
88 |
92 |
542 |
173 |
13 |
0 |
0 |
| ODI |
0 |
0 |
8 |
110 |
1387 |
284 |
15 |
0 |
| CDI |
0 |
0 |
0 |
3 |
369 |
2782 |
226 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
49 |
646 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
88804 |
2266 |
39 |
29 |
0 |
0 |
0 |
0 |
| OW |
2622 |
510 |
133 |
157 |
33 |
3 |
0 |
0 |
| VODI |
1166 |
294 |
129 |
502 |
204 |
30 |
6 |
0 |
| ODI |
0 |
28 |
18 |
177 |
1007 |
426 |
41 |
0 |
| CDI |
0 |
0 |
3 |
26 |
700 |
2668 |
657 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1 |
183 |
0 |
|
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