Validation of sea ice concentration - American sector
Bulletin date: 2020-05-14
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-05-08:
| 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 |
0 |
6 |
2 |
59 |
6 |
0 |
0 |
0 |
| OW |
0 |
112 |
16 |
100 |
86 |
2 |
7 |
0 |
| VODI |
0 |
13 |
3 |
54 |
99 |
78 |
14 |
0 |
| ODI |
0 |
0 |
0 |
27 |
175 |
125 |
32 |
0 |
| CDI |
0 |
0 |
0 |
2 |
340 |
637 |
335 |
62 |
| VCDI |
0 |
0 |
0 |
0 |
331 |
2964 |
10716 |
29463 |
|
...date precedes bulletin
|
Date: 2020-05-10:
| 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 |
0 |
37 |
3 |
72 |
34 |
0 |
10 |
0 |
| OW |
0 |
123 |
7 |
98 |
175 |
17 |
24 |
0 |
| VODI |
0 |
45 |
10 |
74 |
226 |
60 |
19 |
0 |
| ODI |
0 |
6 |
1 |
79 |
310 |
167 |
84 |
0 |
| CDI |
0 |
2 |
1 |
26 |
632 |
581 |
349 |
0 |
| VCDI |
0 |
0 |
0 |
16 |
784 |
2849 |
11233 |
27712 |
|
...date precedes bulletin
|
Date: 2020-05-12:
| 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 |
0 |
192 |
14 |
65 |
49 |
0 |
14 |
0 |
| OW |
0 |
25 |
10 |
117 |
216 |
6 |
13 |
0 |
| VODI |
0 |
4 |
2 |
124 |
413 |
99 |
10 |
0 |
| ODI |
0 |
3 |
1 |
55 |
505 |
254 |
63 |
0 |
| CDI |
0 |
0 |
0 |
25 |
771 |
722 |
386 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
566 |
2414 |
12347 |
26376 |
|
...date precedes bulletin
|
Date: 2020-05-14:
| 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 |
0 |
150 |
12 |
44 |
97 |
17 |
11 |
0 |
| OW |
0 |
53 |
14 |
110 |
298 |
34 |
6 |
0 |
| VODI |
0 |
44 |
10 |
141 |
437 |
129 |
32 |
0 |
| ODI |
0 |
17 |
7 |
95 |
414 |
266 |
151 |
29 |
| CDI |
0 |
0 |
1 |
118 |
635 |
879 |
348 |
141 |
| VCDI |
0 |
0 |
0 |
43 |
731 |
2648 |
14046 |
23658 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
180 |
12 |
91 |
125 |
14 |
13 |
0 |
| OW |
0 |
15 |
15 |
65 |
262 |
44 |
10 |
0 |
| VODI |
0 |
54 |
12 |
148 |
531 |
125 |
26 |
0 |
| ODI |
0 |
14 |
3 |
98 |
376 |
321 |
113 |
28 |
| CDI |
0 |
1 |
2 |
105 |
597 |
878 |
398 |
151 |
| VCDI |
0 |
0 |
0 |
44 |
721 |
2591 |
14034 |
23649 |
|
Date: 2020-05-16:
| 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 |
0 |
159 |
13 |
82 |
225 |
14 |
0 |
0 |
| OW |
0 |
61 |
12 |
141 |
311 |
24 |
4 |
0 |
| VODI |
0 |
66 |
13 |
167 |
535 |
91 |
35 |
0 |
| ODI |
0 |
25 |
5 |
121 |
453 |
203 |
222 |
17 |
| CDI |
0 |
5 |
3 |
133 |
786 |
752 |
481 |
184 |
| VCDI |
0 |
0 |
0 |
29 |
675 |
2566 |
16093 |
21160 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
173 |
15 |
133 |
216 |
15 |
0 |
0 |
| OW |
0 |
49 |
11 |
116 |
334 |
34 |
6 |
0 |
| VODI |
0 |
62 |
14 |
166 |
619 |
85 |
28 |
0 |
| ODI |
0 |
25 |
4 |
112 |
430 |
236 |
170 |
19 |
| CDI |
0 |
7 |
2 |
109 |
745 |
724 |
489 |
178 |
| VCDI |
0 |
0 |
0 |
37 |
641 |
2556 |
16142 |
21164 |
|
Date: 2020-05-18:
| 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 |
0 |
310 |
38 |
176 |
159 |
12 |
0 |
0 |
| OW |
0 |
133 |
10 |
290 |
229 |
10 |
0 |
0 |
| VODI |
0 |
41 |
9 |
413 |
541 |
58 |
4 |
0 |
| ODI |
0 |
6 |
1 |
97 |
728 |
322 |
38 |
0 |
| CDI |
0 |
0 |
0 |
79 |
963 |
1729 |
295 |
2 |
| VCDI |
0 |
0 |
0 |
13 |
197 |
3343 |
17786 |
17834 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
201 |
21 |
224 |
236 |
16 |
0 |
0 |
| OW |
0 |
85 |
14 |
155 |
277 |
61 |
7 |
0 |
| VODI |
0 |
141 |
15 |
223 |
435 |
120 |
38 |
0 |
| ODI |
0 |
33 |
5 |
234 |
361 |
342 |
237 |
1 |
| CDI |
0 |
22 |
1 |
148 |
814 |
1157 |
541 |
43 |
| VCDI |
0 |
8 |
2 |
84 |
694 |
3778 |
17300 |
17792 |
|
Date: 2020-05-20:
| 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 |
0 |
436 |
46 |
369 |
222 |
15 |
0 |
0 |
| OW |
0 |
139 |
19 |
320 |
310 |
21 |
0 |
0 |
| VODI |
0 |
46 |
11 |
198 |
612 |
157 |
6 |
0 |
| ODI |
0 |
11 |
2 |
105 |
602 |
293 |
31 |
0 |
| CDI |
0 |
4 |
3 |
121 |
1427 |
1487 |
361 |
0 |
| VCDI |
0 |
0 |
0 |
18 |
1058 |
4433 |
17956 |
15027 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
268 |
33 |
285 |
312 |
30 |
0 |
0 |
| OW |
0 |
147 |
11 |
161 |
258 |
70 |
10 |
0 |
| VODI |
0 |
137 |
19 |
195 |
490 |
173 |
57 |
0 |
| ODI |
0 |
52 |
13 |
232 |
467 |
220 |
160 |
0 |
| CDI |
0 |
17 |
2 |
191 |
1201 |
1430 |
506 |
0 |
| VCDI |
0 |
15 |
3 |
67 |
1503 |
4483 |
17621 |
15027 |
|
Date: 2020-05-22:
| 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 |
0 |
600 |
60 |
418 |
157 |
14 |
0 |
0 |
| OW |
0 |
315 |
25 |
321 |
196 |
67 |
14 |
0 |
| VODI |
0 |
102 |
20 |
288 |
481 |
148 |
63 |
0 |
| ODI |
0 |
29 |
6 |
160 |
441 |
253 |
156 |
4 |
| CDI |
0 |
12 |
6 |
191 |
1192 |
1252 |
771 |
16 |
| VCDI |
0 |
0 |
0 |
33 |
361 |
4026 |
21353 |
12315 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
432 |
51 |
411 |
267 |
55 |
3 |
0 |
| OW |
0 |
232 |
24 |
149 |
257 |
80 |
37 |
0 |
| VODI |
0 |
230 |
12 |
225 |
286 |
230 |
143 |
6 |
| ODI |
0 |
113 |
16 |
208 |
350 |
212 |
294 |
7 |
| CDI |
0 |
43 |
11 |
307 |
972 |
1378 |
1389 |
12 |
| VCDI |
0 |
8 |
3 |
111 |
696 |
3805 |
20491 |
12310 |
|
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