Validation of sea ice concentration
Bulletin date: 2017-05-18
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 |
13464 |
6285 |
954 |
330 |
145 |
66 |
15 |
0 |
| OW |
0 |
25 |
127 |
129 |
99 |
79 |
48 |
0 |
| VODI |
0 |
1 |
96 |
132 |
205 |
145 |
131 |
0 |
| ODI |
0 |
0 |
17 |
51 |
145 |
167 |
293 |
0 |
| CDI |
0 |
0 |
10 |
26 |
156 |
233 |
853 |
2 |
| VCDI |
0 |
0 |
0 |
13 |
163 |
341 |
8511 |
4702 |
|
...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 |
14059 |
6303 |
613 |
266 |
143 |
32 |
4 |
0 |
| OW |
0 |
8 |
131 |
120 |
140 |
61 |
20 |
0 |
| VODI |
0 |
12 |
78 |
152 |
156 |
165 |
101 |
0 |
| ODI |
0 |
0 |
16 |
48 |
128 |
250 |
338 |
0 |
| CDI |
0 |
0 |
7 |
21 |
106 |
301 |
1562 |
11 |
| VCDI |
0 |
0 |
10 |
14 |
56 |
200 |
7834 |
4693 |
|
...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 |
14105 |
6313 |
524 |
350 |
192 |
40 |
6 |
0 |
| OW |
0 |
36 |
86 |
108 |
101 |
123 |
13 |
0 |
| VODI |
0 |
9 |
50 |
137 |
144 |
187 |
131 |
0 |
| ODI |
0 |
1 |
11 |
82 |
105 |
242 |
329 |
20 |
| CDI |
0 |
0 |
1 |
47 |
93 |
250 |
1578 |
43 |
| VCDI |
0 |
0 |
1 |
37 |
57 |
149 |
6729 |
5729 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14105 |
6319 |
527 |
366 |
211 |
78 |
8 |
0 |
| OW |
0 |
37 |
82 |
96 |
97 |
99 |
15 |
0 |
| VODI |
0 |
2 |
49 |
132 |
129 |
178 |
128 |
0 |
| ODI |
0 |
1 |
13 |
71 |
101 |
234 |
325 |
14 |
| CDI |
0 |
0 |
1 |
55 |
93 |
250 |
1501 |
41 |
| VCDI |
0 |
0 |
1 |
41 |
61 |
152 |
6809 |
5737 |
|
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 |
13949 |
6063 |
969 |
347 |
305 |
52 |
20 |
0 |
| OW |
0 |
10 |
113 |
123 |
120 |
76 |
62 |
0 |
| VODI |
0 |
1 |
73 |
107 |
163 |
198 |
127 |
0 |
| ODI |
0 |
1 |
43 |
72 |
111 |
239 |
380 |
3 |
| CDI |
0 |
0 |
16 |
58 |
136 |
483 |
1970 |
10 |
| VCDI |
0 |
0 |
2 |
12 |
27 |
158 |
6708 |
4852 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13949 |
6059 |
917 |
341 |
343 |
89 |
77 |
0 |
| OW |
0 |
14 |
114 |
88 |
105 |
99 |
91 |
0 |
| VODI |
0 |
1 |
64 |
97 |
106 |
184 |
238 |
0 |
| ODI |
0 |
1 |
30 |
80 |
111 |
178 |
332 |
0 |
| CDI |
0 |
0 |
66 |
73 |
133 |
383 |
1474 |
5 |
| VCDI |
0 |
0 |
25 |
40 |
64 |
273 |
7055 |
4860 |
|
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 |
14585 |
5567 |
944 |
449 |
223 |
59 |
19 |
0 |
| OW |
5 |
2 |
110 |
135 |
159 |
104 |
32 |
0 |
| VODI |
0 |
2 |
70 |
120 |
210 |
166 |
114 |
0 |
| ODI |
0 |
2 |
42 |
61 |
143 |
261 |
332 |
3 |
| CDI |
0 |
0 |
17 |
65 |
168 |
559 |
1570 |
30 |
| VCDI |
0 |
0 |
14 |
30 |
56 |
307 |
6261 |
5163 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14590 |
5562 |
886 |
437 |
266 |
94 |
58 |
0 |
| OW |
0 |
5 |
91 |
104 |
125 |
114 |
70 |
0 |
| VODI |
0 |
5 |
64 |
94 |
162 |
152 |
206 |
0 |
| ODI |
0 |
1 |
60 |
87 |
118 |
171 |
291 |
0 |
| CDI |
0 |
0 |
70 |
88 |
198 |
541 |
1327 |
26 |
| VCDI |
0 |
0 |
26 |
50 |
90 |
384 |
6376 |
5170 |
|
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 |
14620 |
5706 |
813 |
547 |
180 |
23 |
14 |
0 |
| OW |
1 |
9 |
66 |
243 |
147 |
65 |
22 |
0 |
| VODI |
3 |
4 |
24 |
206 |
204 |
148 |
176 |
0 |
| ODI |
1 |
0 |
5 |
126 |
121 |
209 |
331 |
0 |
| CDI |
0 |
1 |
9 |
124 |
241 |
1030 |
1051 |
0 |
| VCDI |
0 |
0 |
1 |
72 |
109 |
1400 |
7721 |
2386 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14619 |
5689 |
801 |
522 |
233 |
95 |
61 |
0 |
| OW |
2 |
16 |
63 |
147 |
109 |
69 |
100 |
0 |
| VODI |
4 |
13 |
34 |
202 |
148 |
122 |
211 |
0 |
| ODI |
0 |
2 |
10 |
165 |
139 |
192 |
269 |
0 |
| CDI |
0 |
0 |
8 |
212 |
265 |
1029 |
1046 |
3 |
| VCDI |
0 |
0 |
2 |
70 |
108 |
1368 |
7628 |
2383 |
|
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