Validation of sea ice concentration - American sector
Bulletin date: 2022-11-10
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-11-04:
| 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 |
3650 |
8074 |
581 |
125 |
59 |
25 |
0 |
0 |
| OW |
43 |
457 |
242 |
239 |
101 |
81 |
0 |
0 |
| VODI |
19 |
145 |
112 |
213 |
212 |
279 |
4 |
0 |
| ODI |
2 |
70 |
71 |
206 |
293 |
346 |
4 |
0 |
| CDI |
0 |
32 |
25 |
164 |
441 |
701 |
40 |
0 |
| VCDI |
0 |
0 |
2 |
119 |
417 |
3445 |
7704 |
17123 |
|
...date precedes bulletin
|
Date: 2022-11-06:
| 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 |
4753 |
6279 |
691 |
56 |
65 |
40 |
0 |
0 |
| OW |
116 |
552 |
76 |
58 |
35 |
44 |
0 |
0 |
| VODI |
93 |
459 |
201 |
163 |
200 |
166 |
1 |
0 |
| ODI |
18 |
55 |
82 |
172 |
213 |
362 |
4 |
0 |
| CDI |
1 |
58 |
69 |
174 |
358 |
622 |
52 |
0 |
| VCDI |
0 |
5 |
3 |
82 |
849 |
4363 |
13520 |
10756 |
|
...date precedes bulletin
|
Date: 2022-11-08:
| 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 |
1901 |
10176 |
788 |
73 |
47 |
23 |
0 |
0 |
| OW |
95 |
203 |
148 |
140 |
34 |
25 |
0 |
0 |
| VODI |
42 |
48 |
70 |
179 |
137 |
48 |
11 |
0 |
| ODI |
18 |
17 |
52 |
138 |
298 |
150 |
8 |
0 |
| CDI |
1 |
11 |
22 |
120 |
401 |
620 |
169 |
0 |
| VCDI |
0 |
1 |
9 |
46 |
415 |
4409 |
13141 |
11632 |
|
...date precedes bulletin
|
Date: 2022-11-10:
| 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 |
2206 |
9282 |
519 |
123 |
40 |
48 |
0 |
0 |
| OW |
8 |
349 |
167 |
143 |
62 |
18 |
6 |
0 |
| VODI |
8 |
291 |
127 |
244 |
115 |
21 |
34 |
0 |
| ODI |
0 |
78 |
27 |
102 |
247 |
88 |
44 |
0 |
| CDI |
7 |
19 |
18 |
77 |
354 |
368 |
45 |
4 |
| VCDI |
0 |
3 |
5 |
113 |
608 |
5436 |
12992 |
11420 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2205 |
9359 |
552 |
173 |
49 |
41 |
0 |
0 |
| OW |
10 |
301 |
153 |
136 |
73 |
23 |
3 |
0 |
| VODI |
7 |
247 |
102 |
191 |
114 |
24 |
32 |
0 |
| ODI |
0 |
92 |
25 |
109 |
241 |
99 |
50 |
0 |
| CDI |
7 |
20 |
25 |
77 |
329 |
393 |
91 |
5 |
| VCDI |
0 |
3 |
6 |
116 |
620 |
5399 |
12945 |
11419 |
|
Date: 2022-11-12:
| 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 |
3654 |
6435 |
1029 |
150 |
64 |
38 |
8 |
0 |
| OW |
1 |
304 |
205 |
259 |
68 |
13 |
14 |
0 |
| VODI |
0 |
233 |
109 |
185 |
205 |
31 |
28 |
0 |
| ODI |
0 |
155 |
127 |
140 |
170 |
108 |
33 |
0 |
| CDI |
0 |
106 |
25 |
47 |
215 |
351 |
53 |
0 |
| VCDI |
0 |
10 |
5 |
28 |
481 |
3365 |
18050 |
9364 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
3651 |
6492 |
1083 |
227 |
70 |
40 |
6 |
0 |
| OW |
4 |
261 |
155 |
213 |
106 |
9 |
11 |
0 |
| VODI |
0 |
221 |
91 |
155 |
177 |
34 |
30 |
0 |
| ODI |
0 |
121 |
99 |
113 |
153 |
120 |
37 |
0 |
| CDI |
0 |
132 |
65 |
63 |
185 |
323 |
70 |
0 |
| VCDI |
0 |
16 |
7 |
38 |
512 |
3380 |
18032 |
9364 |
|
Date: 2022-11-14:
| 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 |
2432 |
7127 |
1281 |
192 |
51 |
55 |
0 |
0 |
| OW |
1 |
270 |
130 |
196 |
115 |
27 |
4 |
0 |
| VODI |
0 |
187 |
57 |
172 |
211 |
54 |
13 |
0 |
| ODI |
0 |
128 |
71 |
115 |
224 |
177 |
15 |
0 |
| CDI |
0 |
58 |
53 |
82 |
127 |
425 |
56 |
0 |
| VCDI |
0 |
10 |
10 |
84 |
290 |
2845 |
11926 |
16595 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2433 |
6945 |
1259 |
199 |
86 |
80 |
9 |
0 |
| OW |
0 |
308 |
147 |
197 |
100 |
29 |
9 |
0 |
| VODI |
0 |
286 |
53 |
136 |
186 |
79 |
39 |
0 |
| ODI |
0 |
140 |
26 |
73 |
121 |
138 |
43 |
0 |
| CDI |
0 |
69 |
74 |
99 |
160 |
237 |
61 |
0 |
| VCDI |
0 |
32 |
43 |
137 |
365 |
3020 |
11853 |
16595 |
|
Date: 2022-11-16:
| 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 |
827 |
8252 |
1566 |
141 |
31 |
17 |
1 |
0 |
| OW |
11 |
347 |
184 |
235 |
66 |
8 |
1 |
0 |
| VODI |
0 |
187 |
78 |
249 |
171 |
17 |
2 |
0 |
| ODI |
0 |
67 |
61 |
186 |
220 |
61 |
2 |
0 |
| CDI |
0 |
32 |
29 |
230 |
433 |
197 |
8 |
0 |
| VCDI |
0 |
22 |
15 |
148 |
810 |
4296 |
11895 |
14763 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
808 |
8175 |
1564 |
214 |
143 |
36 |
2 |
0 |
| OW |
25 |
312 |
165 |
177 |
94 |
29 |
4 |
0 |
| VODI |
5 |
230 |
87 |
211 |
116 |
82 |
3 |
0 |
| ODI |
0 |
106 |
55 |
187 |
190 |
72 |
1 |
0 |
| CDI |
0 |
65 |
42 |
131 |
285 |
146 |
7 |
0 |
| VCDI |
0 |
19 |
20 |
269 |
903 |
4231 |
11892 |
14763 |
|
Date: 2022-11-18:
| 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 |
2458 |
5790 |
2117 |
228 |
68 |
13 |
0 |
0 |
| OW |
26 |
323 |
181 |
198 |
138 |
35 |
1 |
0 |
| VODI |
2 |
176 |
92 |
250 |
243 |
47 |
1 |
0 |
| ODI |
0 |
59 |
60 |
115 |
335 |
101 |
3 |
0 |
| CDI |
0 |
19 |
50 |
109 |
363 |
262 |
7 |
0 |
| VCDI |
0 |
5 |
10 |
158 |
1022 |
5688 |
13541 |
11572 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2407 |
5673 |
2035 |
236 |
122 |
114 |
3 |
0 |
| OW |
63 |
306 |
181 |
226 |
117 |
35 |
3 |
0 |
| VODI |
16 |
208 |
133 |
171 |
246 |
49 |
2 |
0 |
| ODI |
0 |
94 |
67 |
101 |
282 |
81 |
0 |
0 |
| CDI |
0 |
64 |
62 |
129 |
328 |
146 |
6 |
0 |
| VCDI |
0 |
27 |
32 |
195 |
1074 |
5721 |
13539 |
11572 |
|
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