Validation of sea ice concentration - American sector
Bulletin date: 2018-05-17
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2018-05-11:
| 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 |
319 |
2 |
19 |
0 |
0 |
0 |
0 |
| OW |
0 |
126 |
1 |
17 |
1 |
0 |
0 |
0 |
| VODI |
0 |
108 |
9 |
93 |
35 |
2 |
0 |
0 |
| ODI |
0 |
50 |
7 |
136 |
104 |
52 |
0 |
0 |
| CDI |
0 |
62 |
11 |
146 |
270 |
253 |
126 |
0 |
| VCDI |
0 |
4 |
1 |
96 |
519 |
3730 |
18089 |
21478 |
|
...date precedes bulletin
|
Date: 2018-05-13:
| 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 |
308 |
1 |
6 |
0 |
0 |
0 |
0 |
| OW |
0 |
156 |
2 |
15 |
0 |
0 |
0 |
0 |
| VODI |
0 |
88 |
11 |
77 |
71 |
2 |
0 |
0 |
| ODI |
0 |
81 |
3 |
55 |
223 |
39 |
26 |
0 |
| CDI |
0 |
104 |
11 |
108 |
348 |
293 |
134 |
15 |
| VCDI |
0 |
48 |
9 |
138 |
631 |
4902 |
18504 |
19457 |
|
...date precedes bulletin
|
Date: 2018-05-15:
| 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 |
541 |
6 |
54 |
0 |
0 |
0 |
0 |
| OW |
0 |
91 |
10 |
68 |
12 |
0 |
0 |
0 |
| VODI |
0 |
43 |
3 |
94 |
175 |
10 |
0 |
0 |
| ODI |
0 |
43 |
6 |
86 |
354 |
66 |
15 |
0 |
| CDI |
0 |
64 |
9 |
93 |
477 |
421 |
138 |
19 |
| VCDI |
0 |
2 |
3 |
52 |
613 |
4284 |
18884 |
19130 |
|
...date precedes bulletin
|
Date: 2018-05-17:
| 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 |
554 |
10 |
82 |
2 |
0 |
0 |
0 |
| OW |
0 |
115 |
11 |
47 |
22 |
0 |
0 |
0 |
| VODI |
0 |
72 |
13 |
229 |
99 |
7 |
0 |
0 |
| ODI |
0 |
63 |
6 |
234 |
251 |
46 |
10 |
0 |
| CDI |
0 |
77 |
12 |
184 |
422 |
311 |
203 |
3 |
| VCDI |
0 |
10 |
4 |
131 |
907 |
4086 |
17683 |
19960 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
563 |
11 |
96 |
5 |
0 |
0 |
0 |
| OW |
0 |
98 |
10 |
37 |
24 |
0 |
0 |
0 |
| VODI |
0 |
73 |
13 |
231 |
147 |
10 |
0 |
0 |
| ODI |
0 |
71 |
4 |
234 |
216 |
55 |
11 |
0 |
| CDI |
0 |
82 |
15 |
181 |
451 |
361 |
225 |
3 |
| VCDI |
0 |
4 |
3 |
128 |
860 |
4024 |
17660 |
19960 |
|
Date: 2018-05-19:
| 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 |
595 |
9 |
58 |
0 |
0 |
0 |
0 |
| OW |
0 |
163 |
11 |
66 |
41 |
0 |
0 |
0 |
| VODI |
0 |
156 |
19 |
248 |
155 |
8 |
0 |
0 |
| ODI |
0 |
126 |
15 |
119 |
270 |
50 |
3 |
0 |
| CDI |
0 |
120 |
22 |
171 |
384 |
315 |
256 |
0 |
| VCDI |
0 |
11 |
6 |
145 |
1059 |
3256 |
15996 |
22013 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
622 |
11 |
81 |
5 |
0 |
0 |
0 |
| OW |
0 |
130 |
10 |
105 |
57 |
0 |
0 |
0 |
| VODI |
0 |
172 |
21 |
207 |
202 |
15 |
0 |
0 |
| ODI |
0 |
130 |
14 |
114 |
221 |
67 |
4 |
0 |
| CDI |
0 |
107 |
19 |
161 |
408 |
335 |
257 |
1 |
| VCDI |
0 |
10 |
7 |
139 |
1016 |
3212 |
15994 |
22012 |
|
Date: 2018-05-21:
| 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 |
2 |
918 |
12 |
38 |
0 |
0 |
0 |
0 |
| OW |
0 |
393 |
37 |
197 |
35 |
1 |
0 |
0 |
| VODI |
0 |
196 |
20 |
327 |
201 |
14 |
0 |
0 |
| ODI |
0 |
80 |
10 |
90 |
291 |
76 |
8 |
0 |
| CDI |
0 |
40 |
21 |
244 |
784 |
577 |
196 |
27 |
| VCDI |
0 |
0 |
0 |
69 |
645 |
2600 |
13790 |
23927 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2 |
694 |
14 |
86 |
15 |
0 |
0 |
0 |
| OW |
0 |
261 |
18 |
149 |
42 |
1 |
0 |
0 |
| VODI |
0 |
290 |
26 |
190 |
130 |
45 |
2 |
0 |
| ODI |
0 |
186 |
8 |
140 |
228 |
68 |
34 |
0 |
| CDI |
0 |
178 |
22 |
183 |
539 |
380 |
315 |
40 |
| VCDI |
0 |
18 |
12 |
217 |
1002 |
2774 |
13643 |
23914 |
|
Date: 2018-05-23:
| 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 |
8 |
1107 |
30 |
90 |
4 |
0 |
0 |
0 |
| OW |
1 |
535 |
26 |
213 |
69 |
5 |
0 |
0 |
| VODI |
0 |
146 |
14 |
154 |
213 |
18 |
1 |
0 |
| ODI |
0 |
95 |
8 |
106 |
291 |
93 |
13 |
0 |
| CDI |
0 |
56 |
21 |
244 |
731 |
531 |
248 |
2 |
| VCDI |
0 |
5 |
1 |
189 |
1040 |
2732 |
12664 |
24162 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8 |
960 |
23 |
88 |
12 |
0 |
0 |
0 |
| OW |
1 |
303 |
12 |
68 |
39 |
5 |
0 |
0 |
| VODI |
0 |
277 |
22 |
196 |
168 |
44 |
2 |
0 |
| ODI |
0 |
186 |
14 |
127 |
311 |
129 |
16 |
0 |
| CDI |
0 |
206 |
25 |
211 |
617 |
542 |
386 |
4 |
| VCDI |
0 |
12 |
4 |
306 |
1201 |
2659 |
12522 |
24160 |
|
Date: 2018-05-25:
| 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 |
8 |
1465 |
41 |
115 |
18 |
1 |
0 |
0 |
| OW |
0 |
251 |
13 |
154 |
103 |
10 |
0 |
0 |
| VODI |
0 |
186 |
14 |
153 |
221 |
46 |
3 |
0 |
| ODI |
0 |
110 |
11 |
105 |
315 |
120 |
52 |
0 |
| CDI |
0 |
62 |
21 |
322 |
792 |
451 |
405 |
25 |
| VCDI |
0 |
0 |
0 |
241 |
1036 |
2385 |
12566 |
24045 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8 |
1068 |
27 |
102 |
27 |
5 |
0 |
0 |
| OW |
0 |
283 |
14 |
69 |
92 |
13 |
2 |
0 |
| VODI |
0 |
274 |
19 |
160 |
201 |
78 |
50 |
0 |
| ODI |
0 |
193 |
11 |
103 |
253 |
151 |
84 |
0 |
| CDI |
0 |
245 |
26 |
304 |
754 |
494 |
795 |
65 |
| VCDI |
0 |
11 |
3 |
352 |
1158 |
2272 |
12095 |
24005 |
|
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