Validation of sea ice concentration - Full domain
Bulletin date: 2023-09-14
Data source: OSI SAF N.H. 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 |
129274 |
17488 |
624 |
398 |
4 |
0 |
0 |
0 |
| OW |
0 |
680 |
576 |
1118 |
19 |
0 |
0 |
0 |
| VODI |
0 |
46 |
114 |
3170 |
565 |
0 |
0 |
0 |
| ODI |
0 |
4 |
3 |
1605 |
6782 |
1327 |
0 |
0 |
| CDI |
0 |
0 |
0 |
163 |
3741 |
11001 |
707 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
46 |
6171 |
1418 |
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 |
129702 |
16752 |
617 |
544 |
2 |
0 |
0 |
0 |
| OW |
3 |
1038 |
555 |
1018 |
48 |
0 |
0 |
0 |
| VODI |
0 |
137 |
216 |
2805 |
730 |
3 |
0 |
0 |
| ODI |
0 |
13 |
35 |
1375 |
6987 |
690 |
0 |
0 |
| CDI |
0 |
0 |
0 |
265 |
5022 |
7949 |
207 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
61 |
7691 |
2580 |
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 |
129915 |
17669 |
841 |
926 |
19 |
0 |
0 |
0 |
| OW |
0 |
328 |
416 |
1259 |
97 |
0 |
0 |
0 |
| VODI |
0 |
16 |
59 |
3131 |
810 |
19 |
0 |
0 |
| ODI |
0 |
1 |
0 |
540 |
9379 |
952 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
1541 |
11312 |
883 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
16 |
4703 |
2213 |
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 |
131614 |
15811 |
636 |
857 |
159 |
0 |
0 |
0 |
| OW |
0 |
693 |
491 |
1101 |
206 |
0 |
0 |
0 |
| VODI |
0 |
41 |
149 |
2714 |
746 |
42 |
0 |
0 |
| ODI |
0 |
0 |
2 |
894 |
7859 |
1364 |
17 |
0 |
| CDI |
0 |
0 |
0 |
30 |
2684 |
8244 |
1539 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
12 |
5430 |
3705 |
8 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
131614 |
16092 |
754 |
1006 |
222 |
0 |
0 |
0 |
| OW |
0 |
428 |
376 |
1024 |
176 |
0 |
0 |
0 |
| VODI |
0 |
25 |
148 |
2635 |
836 |
31 |
0 |
0 |
| ODI |
0 |
0 |
0 |
898 |
8212 |
1471 |
19 |
0 |
| CDI |
0 |
0 |
0 |
33 |
2207 |
8628 |
1678 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
13 |
4950 |
3564 |
8 |
|
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 |
132340 |
15162 |
499 |
617 |
99 |
0 |
0 |
0 |
| OW |
0 |
1001 |
566 |
1024 |
121 |
2 |
0 |
0 |
| VODI |
0 |
85 |
189 |
2512 |
702 |
36 |
0 |
0 |
| ODI |
0 |
0 |
20 |
1056 |
6241 |
1807 |
66 |
0 |
| CDI |
0 |
0 |
0 |
149 |
2633 |
8825 |
1057 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
51 |
4113 |
6060 |
15 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
132340 |
15571 |
672 |
757 |
153 |
0 |
0 |
0 |
| OW |
0 |
601 |
362 |
991 |
118 |
1 |
0 |
0 |
| VODI |
0 |
76 |
236 |
2397 |
760 |
28 |
0 |
0 |
| ODI |
0 |
0 |
4 |
1064 |
6518 |
1850 |
58 |
0 |
| CDI |
0 |
0 |
0 |
149 |
2256 |
9081 |
1315 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
42 |
3823 |
5810 |
15 |
|
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 |
129604 |
18070 |
801 |
738 |
73 |
0 |
0 |
0 |
| OW |
0 |
314 |
501 |
1116 |
71 |
0 |
0 |
0 |
| VODI |
0 |
4 |
35 |
2821 |
508 |
7 |
0 |
0 |
| ODI |
0 |
0 |
1 |
306 |
6022 |
198 |
1 |
0 |
| CDI |
0 |
0 |
0 |
0 |
1428 |
13442 |
498 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
13 |
2240 |
8141 |
91 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
129604 |
17337 |
717 |
883 |
212 |
0 |
0 |
0 |
| OW |
0 |
893 |
368 |
822 |
120 |
2 |
0 |
0 |
| VODI |
0 |
158 |
233 |
2293 |
812 |
39 |
0 |
0 |
| ODI |
0 |
0 |
20 |
813 |
4639 |
2312 |
81 |
0 |
| CDI |
0 |
0 |
0 |
170 |
2294 |
10414 |
1388 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
38 |
3120 |
7171 |
91 |
|
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 |
130025 |
17387 |
874 |
710 |
61 |
0 |
0 |
0 |
| OW |
0 |
464 |
439 |
1130 |
77 |
0 |
0 |
0 |
| VODI |
0 |
26 |
82 |
2317 |
633 |
8 |
0 |
0 |
| ODI |
0 |
0 |
2 |
468 |
4745 |
518 |
0 |
0 |
| CDI |
0 |
0 |
0 |
1 |
2471 |
11845 |
1388 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
11 |
3921 |
7442 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
130025 |
16362 |
680 |
736 |
148 |
0 |
0 |
0 |
| OW |
0 |
1138 |
395 |
730 |
130 |
0 |
0 |
0 |
| VODI |
0 |
369 |
296 |
2147 |
697 |
31 |
0 |
0 |
| ODI |
0 |
8 |
25 |
866 |
4109 |
1253 |
26 |
0 |
| CDI |
0 |
0 |
1 |
147 |
2899 |
10722 |
2138 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
15 |
4286 |
6666 |
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 |
131215 |
15298 |
602 |
813 |
126 |
0 |
0 |
0 |
| OW |
0 |
885 |
466 |
1060 |
325 |
42 |
0 |
0 |
| VODI |
0 |
52 |
152 |
1612 |
898 |
243 |
0 |
0 |
| ODI |
0 |
0 |
1 |
659 |
3455 |
890 |
81 |
0 |
| CDI |
0 |
0 |
0 |
33 |
1609 |
10505 |
3060 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
40 |
2309 |
10282 |
330 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
131215 |
14573 |
533 |
868 |
194 |
0 |
0 |
0 |
| OW |
0 |
1058 |
260 |
750 |
257 |
2 |
0 |
0 |
| VODI |
0 |
544 |
347 |
1352 |
1071 |
221 |
0 |
0 |
| ODI |
0 |
60 |
81 |
895 |
2609 |
1434 |
113 |
0 |
| CDI |
0 |
0 |
0 |
313 |
2282 |
10226 |
3607 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
40 |
2106 |
9703 |
330 |
|
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