Validation of sea ice concentration
Bulletin date: 2019-03-14
Model vs. observations, sea ice class contingency tables
Date: 2019-03-08:
| 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 |
12786 |
5639 |
1010 |
469 |
240 |
135 |
110 |
0 |
| OW |
0 |
29 |
128 |
138 |
113 |
84 |
60 |
0 |
| VODI |
0 |
3 |
83 |
105 |
123 |
136 |
95 |
0 |
| ODI |
0 |
0 |
24 |
85 |
136 |
182 |
172 |
4 |
| CDI |
0 |
0 |
20 |
65 |
112 |
298 |
627 |
31 |
| VCDI |
0 |
0 |
53 |
114 |
119 |
381 |
7936 |
6314 |
|
...date precedes bulletin
|
Date: 2019-03-12:
| 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 |
12711 |
5818 |
671 |
533 |
175 |
192 |
104 |
0 |
| OW |
0 |
22 |
115 |
146 |
60 |
77 |
71 |
0 |
| VODI |
0 |
0 |
76 |
139 |
106 |
155 |
97 |
0 |
| ODI |
0 |
0 |
20 |
76 |
117 |
211 |
180 |
0 |
| CDI |
0 |
0 |
13 |
114 |
121 |
408 |
544 |
42 |
| VCDI |
0 |
0 |
7 |
44 |
71 |
701 |
7994 |
6228 |
|
...date precedes bulletin
|
Date: 2019-03-14:
| 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 |
12752 |
5789 |
812 |
386 |
153 |
124 |
160 |
0 |
| OW |
0 |
42 |
143 |
107 |
56 |
58 |
90 |
0 |
| VODI |
0 |
12 |
95 |
104 |
108 |
81 |
148 |
0 |
| ODI |
0 |
3 |
48 |
91 |
110 |
128 |
185 |
6 |
| CDI |
0 |
0 |
30 |
73 |
136 |
252 |
497 |
51 |
| VCDI |
0 |
0 |
0 |
33 |
89 |
327 |
6026 |
8854 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12752 |
5783 |
825 |
403 |
160 |
127 |
170 |
0 |
| OW |
0 |
43 |
135 |
96 |
68 |
48 |
83 |
0 |
| VODI |
0 |
17 |
94 |
104 |
101 |
85 |
141 |
0 |
| ODI |
0 |
3 |
46 |
90 |
100 |
142 |
178 |
6 |
| CDI |
0 |
0 |
28 |
70 |
136 |
244 |
536 |
52 |
| VCDI |
0 |
0 |
0 |
31 |
87 |
324 |
5998 |
8853 |
|
Date: 2019-03-18:
| 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 |
13045 |
5968 |
675 |
412 |
102 |
49 |
139 |
0 |
| OW |
0 |
75 |
182 |
161 |
59 |
54 |
58 |
0 |
| VODI |
0 |
5 |
119 |
297 |
188 |
130 |
96 |
1 |
| ODI |
0 |
0 |
33 |
179 |
177 |
193 |
140 |
20 |
| CDI |
0 |
0 |
7 |
110 |
130 |
351 |
334 |
59 |
| VCDI |
0 |
0 |
3 |
74 |
90 |
754 |
8466 |
5224 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13045 |
5943 |
638 |
419 |
114 |
53 |
162 |
0 |
| OW |
0 |
81 |
153 |
108 |
47 |
32 |
64 |
0 |
| VODI |
0 |
22 |
129 |
218 |
145 |
104 |
114 |
0 |
| ODI |
0 |
2 |
56 |
166 |
140 |
160 |
140 |
19 |
| CDI |
0 |
0 |
29 |
156 |
126 |
295 |
310 |
59 |
| VCDI |
0 |
0 |
14 |
166 |
174 |
887 |
8443 |
5226 |
|
Date: 2019-03-20:
| 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 |
13354 |
5872 |
678 |
360 |
134 |
100 |
89 |
0 |
| OW |
0 |
115 |
189 |
156 |
87 |
80 |
73 |
0 |
| VODI |
0 |
11 |
164 |
176 |
145 |
128 |
157 |
0 |
| ODI |
0 |
0 |
58 |
105 |
116 |
193 |
222 |
3 |
| CDI |
0 |
0 |
28 |
66 |
89 |
285 |
452 |
102 |
| VCDI |
0 |
0 |
8 |
66 |
132 |
503 |
7687 |
5976 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13354 |
5815 |
620 |
299 |
126 |
117 |
142 |
0 |
| OW |
0 |
128 |
154 |
114 |
58 |
51 |
89 |
0 |
| VODI |
0 |
45 |
168 |
222 |
138 |
93 |
190 |
0 |
| ODI |
0 |
9 |
96 |
122 |
104 |
162 |
259 |
2 |
| CDI |
0 |
1 |
55 |
86 |
121 |
324 |
467 |
87 |
| VCDI |
0 |
0 |
32 |
86 |
156 |
542 |
7533 |
5992 |
|
Date: 2019-03-22:
| 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 |
13213 |
5944 |
708 |
335 |
161 |
97 |
37 |
0 |
| OW |
0 |
77 |
140 |
163 |
167 |
126 |
60 |
0 |
| VODI |
0 |
21 |
80 |
189 |
205 |
154 |
158 |
0 |
| ODI |
0 |
2 |
22 |
84 |
154 |
190 |
271 |
8 |
| CDI |
0 |
0 |
10 |
53 |
130 |
262 |
706 |
109 |
| VCDI |
0 |
0 |
1 |
35 |
100 |
433 |
7094 |
6460 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13213 |
5864 |
653 |
297 |
156 |
106 |
43 |
0 |
| OW |
0 |
116 |
121 |
121 |
120 |
85 |
51 |
0 |
| VODI |
0 |
45 |
134 |
200 |
212 |
170 |
170 |
0 |
| ODI |
0 |
14 |
33 |
117 |
161 |
180 |
290 |
0 |
| CDI |
0 |
5 |
11 |
67 |
153 |
286 |
654 |
89 |
| VCDI |
0 |
0 |
9 |
57 |
115 |
435 |
7118 |
6488 |
|
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