Validation of sea ice concentration - American sector
Bulletin date: 2024-05-16
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-05-10:
| 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 |
6969 |
1907 |
14 |
38 |
0 |
0 |
0 |
0 |
| OW |
0 |
635 |
141 |
262 |
49 |
0 |
0 |
0 |
| VODI |
0 |
103 |
82 |
776 |
457 |
21 |
2 |
0 |
| ODI |
0 |
64 |
23 |
235 |
971 |
195 |
25 |
2 |
| CDI |
0 |
26 |
38 |
320 |
1238 |
1427 |
627 |
70 |
| VCDI |
0 |
0 |
3 |
215 |
1088 |
4203 |
15287 |
23718 |
|
...date precedes bulletin
|
Date: 2024-05-12:
| 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 |
6936 |
1827 |
11 |
21 |
1 |
0 |
0 |
0 |
| OW |
0 |
922 |
79 |
124 |
26 |
1 |
0 |
0 |
| VODI |
0 |
354 |
192 |
744 |
260 |
21 |
6 |
0 |
| ODI |
0 |
103 |
28 |
401 |
877 |
149 |
41 |
0 |
| CDI |
0 |
43 |
35 |
490 |
1606 |
1798 |
1113 |
8 |
| VCDI |
0 |
0 |
3 |
197 |
906 |
3229 |
16064 |
22615 |
|
...date precedes bulletin
|
Date: 2024-05-14:
| 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 |
7114 |
2071 |
13 |
45 |
5 |
0 |
0 |
0 |
| OW |
0 |
1185 |
189 |
264 |
43 |
1 |
0 |
0 |
| VODI |
0 |
145 |
155 |
1127 |
260 |
14 |
0 |
0 |
| ODI |
0 |
19 |
34 |
406 |
1163 |
96 |
1 |
0 |
| CDI |
0 |
2 |
18 |
491 |
1552 |
1716 |
253 |
1 |
| VCDI |
0 |
0 |
0 |
45 |
403 |
2481 |
14335 |
25584 |
|
...date precedes bulletin
|
Date: 2024-05-16:
| 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 |
7932 |
1612 |
15 |
35 |
8 |
0 |
0 |
0 |
| OW |
6 |
1187 |
80 |
181 |
56 |
0 |
0 |
0 |
| VODI |
0 |
374 |
214 |
1010 |
324 |
31 |
3 |
0 |
| ODI |
0 |
48 |
25 |
542 |
847 |
159 |
16 |
0 |
| CDI |
0 |
46 |
62 |
564 |
1199 |
1176 |
385 |
0 |
| VCDI |
0 |
1 |
0 |
57 |
741 |
2960 |
14702 |
24633 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7935 |
1627 |
21 |
44 |
19 |
0 |
0 |
0 |
| OW |
3 |
1170 |
88 |
187 |
65 |
1 |
0 |
0 |
| VODI |
0 |
375 |
187 |
917 |
287 |
32 |
3 |
0 |
| ODI |
0 |
41 |
41 |
610 |
877 |
147 |
15 |
0 |
| CDI |
0 |
55 |
59 |
586 |
1183 |
1182 |
370 |
7 |
| VCDI |
0 |
0 |
0 |
45 |
744 |
2964 |
14718 |
24626 |
|
Date: 2024-05-18:
| 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 |
8494 |
1275 |
8 |
31 |
7 |
0 |
0 |
0 |
| OW |
3 |
1198 |
66 |
157 |
54 |
0 |
0 |
0 |
| VODI |
0 |
580 |
260 |
977 |
255 |
13 |
5 |
0 |
| ODI |
0 |
61 |
48 |
643 |
717 |
190 |
31 |
0 |
| CDI |
0 |
98 |
54 |
584 |
1242 |
1187 |
372 |
7 |
| VCDI |
0 |
0 |
0 |
94 |
688 |
2843 |
16835 |
22154 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8494 |
1316 |
22 |
41 |
15 |
0 |
0 |
0 |
| OW |
3 |
1171 |
61 |
184 |
68 |
0 |
0 |
0 |
| VODI |
0 |
540 |
235 |
895 |
230 |
13 |
7 |
0 |
| ODI |
0 |
81 |
65 |
684 |
706 |
192 |
30 |
0 |
| CDI |
0 |
104 |
53 |
616 |
1237 |
1120 |
388 |
21 |
| VCDI |
0 |
0 |
0 |
66 |
707 |
2908 |
16818 |
22140 |
|
Date: 2024-05-20:
| 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 |
8590 |
1827 |
12 |
34 |
3 |
0 |
0 |
0 |
| OW |
0 |
1868 |
356 |
265 |
35 |
1 |
0 |
0 |
| VODI |
0 |
72 |
60 |
1545 |
221 |
14 |
0 |
0 |
| ODI |
0 |
25 |
25 |
350 |
1114 |
135 |
2 |
0 |
| CDI |
0 |
28 |
22 |
473 |
1707 |
1931 |
190 |
0 |
| VCDI |
0 |
0 |
0 |
24 |
391 |
3334 |
15343 |
21234 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8578 |
1465 |
10 |
43 |
17 |
0 |
0 |
0 |
| OW |
12 |
1274 |
54 |
155 |
51 |
1 |
0 |
0 |
| VODI |
0 |
699 |
254 |
868 |
197 |
20 |
1 |
0 |
| ODI |
0 |
99 |
52 |
703 |
744 |
176 |
14 |
0 |
| CDI |
0 |
226 |
66 |
617 |
1567 |
1298 |
330 |
0 |
| VCDI |
0 |
57 |
39 |
305 |
895 |
3920 |
15190 |
21234 |
|
Date: 2024-05-22:
| 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 |
8912 |
1869 |
24 |
76 |
4 |
0 |
0 |
0 |
| OW |
37 |
2054 |
203 |
319 |
35 |
2 |
0 |
0 |
| VODI |
0 |
270 |
186 |
1127 |
200 |
24 |
0 |
0 |
| ODI |
0 |
32 |
23 |
423 |
798 |
157 |
14 |
0 |
| CDI |
0 |
59 |
34 |
569 |
1530 |
1692 |
262 |
3 |
| VCDI |
0 |
31 |
21 |
199 |
618 |
2984 |
15756 |
20684 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8894 |
1439 |
21 |
68 |
6 |
0 |
0 |
0 |
| OW |
55 |
1278 |
81 |
184 |
46 |
1 |
0 |
0 |
| VODI |
0 |
1014 |
189 |
771 |
199 |
28 |
3 |
0 |
| ODI |
0 |
205 |
70 |
536 |
680 |
130 |
19 |
0 |
| CDI |
0 |
150 |
79 |
799 |
1390 |
1527 |
674 |
3 |
| VCDI |
0 |
229 |
51 |
355 |
864 |
3173 |
15336 |
20684 |
|
Date: 2024-05-24:
| 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 |
9459 |
1926 |
10 |
81 |
8 |
0 |
0 |
0 |
| OW |
391 |
1720 |
162 |
265 |
36 |
1 |
0 |
0 |
| VODI |
24 |
294 |
133 |
1024 |
188 |
22 |
0 |
0 |
| ODI |
0 |
67 |
53 |
541 |
546 |
125 |
7 |
0 |
| CDI |
0 |
87 |
59 |
701 |
1341 |
1611 |
429 |
7 |
| VCDI |
0 |
53 |
32 |
220 |
638 |
2423 |
14387 |
22160 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9337 |
1199 |
8 |
100 |
5 |
0 |
0 |
0 |
| OW |
278 |
1068 |
62 |
191 |
42 |
2 |
1 |
0 |
| VODI |
243 |
1174 |
163 |
691 |
170 |
18 |
19 |
0 |
| ODI |
16 |
147 |
55 |
632 |
460 |
127 |
58 |
3 |
| CDI |
0 |
196 |
97 |
774 |
1163 |
1433 |
1075 |
19 |
| VCDI |
0 |
363 |
64 |
444 |
917 |
2602 |
13670 |
22145 |
|
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