Validation of sea ice concentration - American sector
Bulletin date: 2017-05-18
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2017-05-12:
| 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 |
6 |
6 |
44 |
6 |
0 |
0 |
0 |
| OW |
0 |
21 |
22 |
28 |
13 |
0 |
0 |
0 |
| VODI |
0 |
18 |
44 |
64 |
59 |
3 |
0 |
0 |
| ODI |
0 |
14 |
51 |
135 |
151 |
52 |
10 |
0 |
| CDI |
0 |
15 |
93 |
326 |
616 |
760 |
217 |
3 |
| VCDI |
0 |
0 |
8 |
444 |
1439 |
4212 |
14368 |
22618 |
|
...date precedes bulletin
|
Date: 2017-05-14:
| 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 |
9 |
20 |
50 |
11 |
0 |
0 |
0 |
| OW |
0 |
30 |
43 |
58 |
10 |
0 |
0 |
0 |
| VODI |
0 |
72 |
44 |
116 |
62 |
1 |
0 |
0 |
| ODI |
0 |
40 |
80 |
186 |
158 |
29 |
3 |
0 |
| CDI |
0 |
33 |
197 |
338 |
844 |
674 |
107 |
0 |
| VCDI |
0 |
6 |
117 |
673 |
1581 |
4924 |
13404 |
21946 |
|
...date precedes bulletin
|
Date: 2017-05-16:
| 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 |
120 |
186 |
112 |
28 |
1 |
0 |
0 |
| OW |
0 |
43 |
164 |
225 |
35 |
10 |
0 |
0 |
| VODI |
0 |
25 |
110 |
372 |
108 |
11 |
2 |
0 |
| ODI |
0 |
12 |
148 |
328 |
265 |
61 |
26 |
0 |
| CDI |
0 |
0 |
80 |
586 |
1179 |
1145 |
159 |
0 |
| VCDI |
0 |
0 |
42 |
345 |
827 |
4464 |
12876 |
21771 |
|
...date precedes bulletin
|
Date: 2017-05-18:
| 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 |
235 |
154 |
120 |
12 |
1 |
0 |
0 |
| OW |
0 |
71 |
127 |
237 |
49 |
19 |
0 |
0 |
| VODI |
0 |
16 |
190 |
334 |
125 |
11 |
3 |
0 |
| ODI |
0 |
22 |
131 |
272 |
224 |
79 |
18 |
0 |
| CDI |
0 |
4 |
152 |
671 |
1013 |
818 |
234 |
0 |
| VCDI |
0 |
0 |
45 |
353 |
1186 |
3737 |
15884 |
19319 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
265 |
194 |
173 |
19 |
1 |
0 |
0 |
| OW |
0 |
43 |
113 |
189 |
48 |
18 |
0 |
0 |
| VODI |
0 |
16 |
188 |
327 |
130 |
17 |
3 |
0 |
| ODI |
0 |
21 |
125 |
262 |
212 |
94 |
18 |
0 |
| CDI |
0 |
3 |
142 |
663 |
1027 |
783 |
260 |
1 |
| VCDI |
0 |
0 |
37 |
373 |
1173 |
3752 |
15858 |
19318 |
|
Date: 2017-05-20:
| 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 |
236 |
147 |
131 |
25 |
2 |
0 |
0 |
| OW |
0 |
71 |
141 |
217 |
57 |
15 |
0 |
0 |
| VODI |
0 |
37 |
213 |
291 |
131 |
20 |
23 |
0 |
| ODI |
0 |
27 |
131 |
292 |
183 |
71 |
63 |
0 |
| CDI |
0 |
14 |
186 |
775 |
943 |
558 |
548 |
0 |
| VCDI |
0 |
0 |
7 |
405 |
1272 |
4380 |
18223 |
16031 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
254 |
182 |
144 |
40 |
3 |
0 |
0 |
| OW |
0 |
62 |
122 |
215 |
54 |
15 |
0 |
0 |
| VODI |
0 |
32 |
229 |
280 |
129 |
20 |
23 |
0 |
| ODI |
0 |
25 |
118 |
282 |
182 |
73 |
61 |
0 |
| CDI |
0 |
12 |
154 |
782 |
953 |
613 |
517 |
0 |
| VCDI |
0 |
0 |
20 |
408 |
1253 |
4322 |
18256 |
16031 |
|
Date: 2017-05-22:
| 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 |
366 |
503 |
337 |
36 |
2 |
0 |
0 |
| OW |
0 |
103 |
226 |
374 |
52 |
13 |
0 |
0 |
| VODI |
0 |
16 |
84 |
414 |
202 |
27 |
1 |
0 |
| ODI |
0 |
3 |
79 |
324 |
431 |
110 |
18 |
0 |
| CDI |
0 |
0 |
67 |
551 |
1352 |
1458 |
279 |
0 |
| VCDI |
0 |
0 |
0 |
33 |
569 |
4531 |
19794 |
13511 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
288 |
205 |
156 |
68 |
4 |
0 |
0 |
| OW |
0 |
90 |
163 |
230 |
79 |
15 |
0 |
0 |
| VODI |
0 |
62 |
225 |
229 |
107 |
50 |
28 |
0 |
| ODI |
0 |
27 |
116 |
292 |
209 |
89 |
16 |
0 |
| CDI |
0 |
21 |
201 |
808 |
1007 |
939 |
386 |
0 |
| VCDI |
0 |
0 |
49 |
318 |
1172 |
5044 |
19662 |
13511 |
|
Date: 2017-05-24:
| 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 |
0 |
423 |
707 |
409 |
57 |
2 |
0 |
0 |
| OW |
0 |
40 |
148 |
223 |
86 |
14 |
0 |
0 |
| VODI |
0 |
22 |
76 |
333 |
207 |
37 |
2 |
0 |
| ODI |
0 |
1 |
45 |
428 |
518 |
156 |
5 |
0 |
| CDI |
0 |
0 |
88 |
570 |
1509 |
1596 |
329 |
24 |
| VCDI |
0 |
0 |
27 |
175 |
794 |
4032 |
18317 |
14466 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
313 |
267 |
183 |
68 |
2 |
0 |
0 |
| OW |
0 |
73 |
177 |
188 |
73 |
23 |
0 |
0 |
| VODI |
0 |
64 |
291 |
207 |
120 |
81 |
1 |
0 |
| ODI |
0 |
36 |
168 |
282 |
349 |
118 |
6 |
0 |
| CDI |
0 |
0 |
155 |
964 |
1271 |
1080 |
359 |
16 |
| VCDI |
0 |
0 |
33 |
314 |
1290 |
4533 |
18287 |
14474 |
|
Date: 2017-05-26:
| 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 |
0 |
532 |
656 |
325 |
60 |
9 |
0 |
0 |
| OW |
0 |
89 |
141 |
233 |
94 |
21 |
0 |
0 |
| VODI |
0 |
39 |
116 |
346 |
294 |
87 |
4 |
0 |
| ODI |
0 |
9 |
103 |
465 |
564 |
213 |
11 |
0 |
| CDI |
0 |
6 |
118 |
635 |
1628 |
1994 |
675 |
8 |
| VCDI |
0 |
0 |
42 |
219 |
834 |
7888 |
14879 |
12529 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
425 |
316 |
196 |
70 |
13 |
0 |
0 |
| OW |
0 |
96 |
189 |
137 |
92 |
26 |
0 |
0 |
| VODI |
0 |
103 |
269 |
189 |
257 |
44 |
2 |
0 |
| ODI |
0 |
47 |
179 |
327 |
432 |
139 |
23 |
0 |
| CDI |
0 |
4 |
205 |
1116 |
1282 |
1606 |
703 |
8 |
| VCDI |
0 |
0 |
18 |
258 |
1341 |
8384 |
14841 |
12529 |
|
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