Validation of sea ice concentration - American sector
Bulletin date: 2024-07-18
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-07-12:
| 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 |
19394 |
5077 |
44 |
56 |
49 |
0 |
0 |
0 |
| OW |
50 |
1465 |
380 |
564 |
100 |
6 |
0 |
0 |
| VODI |
19 |
171 |
178 |
1774 |
984 |
22 |
0 |
0 |
| ODI |
16 |
21 |
0 |
342 |
4528 |
738 |
1 |
0 |
| CDI |
25 |
12 |
5 |
66 |
1486 |
16841 |
210 |
0 |
| VCDI |
1 |
12 |
3 |
38 |
504 |
5997 |
52 |
0 |
|
...date precedes bulletin
|
Date: 2024-07-14:
| 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 |
19257 |
5623 |
45 |
104 |
28 |
0 |
0 |
0 |
| OW |
18 |
1538 |
322 |
575 |
133 |
0 |
0 |
0 |
| VODI |
31 |
228 |
206 |
1966 |
1346 |
11 |
0 |
0 |
| ODI |
16 |
32 |
5 |
329 |
3630 |
93 |
0 |
0 |
| CDI |
18 |
53 |
1 |
29 |
3036 |
18980 |
451 |
0 |
| VCDI |
0 |
20 |
6 |
81 |
649 |
2278 |
93 |
0 |
|
...date precedes bulletin
|
Date: 2024-07-16:
| 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 |
19945 |
6205 |
80 |
66 |
12 |
0 |
0 |
0 |
| OW |
51 |
1291 |
354 |
522 |
54 |
0 |
0 |
0 |
| VODI |
2 |
90 |
113 |
2009 |
826 |
3 |
0 |
0 |
| ODI |
3 |
10 |
0 |
178 |
5004 |
248 |
0 |
0 |
| CDI |
11 |
65 |
14 |
80 |
2985 |
17256 |
1208 |
0 |
| VCDI |
0 |
0 |
2 |
46 |
327 |
1804 |
367 |
0 |
|
...date precedes bulletin
|
Date: 2024-07-18:
| 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 |
20178 |
6198 |
55 |
32 |
2 |
0 |
0 |
0 |
| OW |
13 |
1459 |
286 |
494 |
53 |
0 |
0 |
0 |
| VODI |
3 |
168 |
146 |
2360 |
1013 |
1 |
0 |
0 |
| ODI |
4 |
5 |
1 |
518 |
4333 |
33 |
0 |
0 |
| CDI |
9 |
64 |
21 |
124 |
4976 |
16240 |
61 |
0 |
| VCDI |
0 |
0 |
1 |
37 |
813 |
1397 |
133 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
20174 |
6130 |
71 |
43 |
5 |
0 |
0 |
0 |
| OW |
17 |
1460 |
247 |
499 |
55 |
0 |
0 |
0 |
| VODI |
3 |
236 |
169 |
2308 |
1123 |
1 |
0 |
0 |
| ODI |
3 |
8 |
1 |
557 |
3971 |
24 |
0 |
0 |
| CDI |
10 |
59 |
19 |
62 |
5226 |
16156 |
55 |
0 |
| VCDI |
0 |
1 |
3 |
96 |
810 |
1490 |
139 |
0 |
|
Date: 2024-07-20:
| 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 |
20427 |
6229 |
36 |
17 |
0 |
0 |
0 |
0 |
| OW |
5 |
1450 |
299 |
597 |
54 |
0 |
0 |
0 |
| VODI |
4 |
261 |
216 |
2834 |
1045 |
4 |
0 |
0 |
| ODI |
3 |
5 |
1 |
583 |
3572 |
56 |
0 |
0 |
| CDI |
6 |
138 |
7 |
60 |
5337 |
14329 |
324 |
0 |
| VCDI |
0 |
8 |
9 |
67 |
1080 |
2148 |
20 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
20427 |
6205 |
49 |
41 |
0 |
0 |
0 |
0 |
| OW |
4 |
1419 |
294 |
583 |
67 |
0 |
0 |
0 |
| VODI |
4 |
316 |
208 |
2833 |
1058 |
9 |
0 |
0 |
| ODI |
2 |
6 |
1 |
575 |
3162 |
49 |
0 |
0 |
| CDI |
8 |
90 |
13 |
51 |
5736 |
14294 |
344 |
0 |
| VCDI |
0 |
55 |
3 |
75 |
1065 |
2185 |
0 |
0 |
|
Date: 2024-07-22:
| 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 |
20545 |
6895 |
41 |
41 |
0 |
0 |
0 |
0 |
| OW |
7 |
1170 |
559 |
487 |
21 |
0 |
0 |
0 |
| VODI |
2 |
60 |
25 |
3521 |
540 |
0 |
0 |
0 |
| ODI |
0 |
55 |
0 |
131 |
7176 |
340 |
0 |
0 |
| CDI |
0 |
104 |
10 |
79 |
2415 |
13356 |
277 |
0 |
| VCDI |
0 |
1 |
0 |
2 |
873 |
1558 |
940 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
20537 |
6242 |
72 |
46 |
0 |
0 |
0 |
0 |
| OW |
4 |
1503 |
296 |
640 |
84 |
0 |
0 |
0 |
| VODI |
4 |
348 |
257 |
2892 |
1137 |
5 |
0 |
0 |
| ODI |
2 |
13 |
0 |
576 |
2739 |
84 |
0 |
0 |
| CDI |
7 |
118 |
6 |
75 |
6018 |
12422 |
1010 |
0 |
| VCDI |
0 |
61 |
4 |
32 |
1047 |
2743 |
207 |
0 |
|
Date: 2024-07-24:
| 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 |
20874 |
6776 |
54 |
53 |
7 |
0 |
0 |
0 |
| OW |
6 |
1382 |
469 |
533 |
30 |
0 |
0 |
0 |
| VODI |
1 |
156 |
160 |
3636 |
310 |
0 |
0 |
0 |
| ODI |
0 |
64 |
0 |
828 |
6189 |
471 |
0 |
0 |
| CDI |
0 |
111 |
11 |
59 |
3324 |
9937 |
2207 |
0 |
| VCDI |
0 |
1 |
0 |
14 |
978 |
1743 |
847 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
20866 |
6046 |
72 |
76 |
17 |
0 |
0 |
0 |
| OW |
6 |
1698 |
286 |
731 |
91 |
0 |
0 |
0 |
| VODI |
1 |
520 |
311 |
3150 |
542 |
0 |
0 |
0 |
| ODI |
3 |
20 |
14 |
1005 |
2230 |
145 |
0 |
0 |
| CDI |
5 |
134 |
9 |
140 |
7007 |
9878 |
1775 |
0 |
| VCDI |
0 |
72 |
2 |
21 |
951 |
2128 |
1279 |
0 |
|
Date: 2024-07-26:
| 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 |
20820 |
6947 |
71 |
76 |
15 |
0 |
0 |
0 |
| OW |
5 |
1598 |
422 |
696 |
52 |
0 |
0 |
0 |
| VODI |
0 |
198 |
199 |
3398 |
618 |
0 |
0 |
0 |
| ODI |
0 |
66 |
1 |
793 |
5621 |
1330 |
1 |
0 |
| CDI |
0 |
131 |
1 |
72 |
2686 |
10261 |
1888 |
0 |
| VCDI |
0 |
16 |
1 |
78 |
905 |
1563 |
702 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
20810 |
6239 |
96 |
141 |
44 |
0 |
0 |
0 |
| OW |
7 |
1825 |
248 |
1004 |
147 |
2 |
0 |
0 |
| VODI |
1 |
608 |
344 |
2637 |
616 |
11 |
0 |
0 |
| ODI |
4 |
34 |
5 |
1072 |
1960 |
487 |
47 |
0 |
| CDI |
3 |
187 |
2 |
200 |
6249 |
9705 |
1572 |
0 |
| VCDI |
0 |
63 |
0 |
59 |
881 |
2949 |
972 |
0 |
|
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