Validation of sea ice concentration - American sector
Bulletin date: 2022-11-24
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
|
...date precedes bulletin
|
Date: 2022-11-20:
| 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 |
2256 |
6380 |
678 |
319 |
107 |
11 |
0 |
0 |
| OW |
55 |
335 |
162 |
317 |
257 |
70 |
16 |
0 |
| VODI |
5 |
107 |
54 |
224 |
306 |
300 |
3 |
0 |
| ODI |
0 |
39 |
18 |
95 |
268 |
318 |
3 |
0 |
| CDI |
0 |
17 |
20 |
46 |
296 |
496 |
34 |
1 |
| VCDI |
0 |
0 |
15 |
68 |
764 |
6827 |
11685 |
12894 |
|
...date precedes bulletin
|
Date: 2022-11-22:
| 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 |
172 |
6172 |
2230 |
325 |
30 |
0 |
0 |
0 |
| OW |
53 |
373 |
243 |
292 |
90 |
0 |
0 |
0 |
| VODI |
13 |
95 |
61 |
281 |
369 |
58 |
0 |
0 |
| ODI |
0 |
27 |
16 |
69 |
451 |
285 |
38 |
0 |
| CDI |
0 |
13 |
19 |
44 |
400 |
592 |
57 |
0 |
| VCDI |
0 |
0 |
17 |
105 |
547 |
6854 |
9383 |
16092 |
|
...date precedes bulletin
|
Date: 2022-11-24:
| 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 |
96 |
5925 |
1604 |
448 |
179 |
0 |
0 |
0 |
| OW |
18 |
567 |
336 |
266 |
142 |
11 |
0 |
0 |
| VODI |
10 |
161 |
70 |
322 |
316 |
37 |
0 |
0 |
| ODI |
0 |
21 |
8 |
83 |
388 |
121 |
18 |
0 |
| CDI |
0 |
6 |
17 |
38 |
295 |
300 |
116 |
0 |
| VCDI |
0 |
0 |
2 |
58 |
380 |
5130 |
12044 |
16333 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
96 |
6028 |
1733 |
527 |
168 |
0 |
0 |
0 |
| OW |
7 |
477 |
206 |
267 |
196 |
9 |
0 |
0 |
| VODI |
21 |
150 |
74 |
254 |
327 |
39 |
0 |
0 |
| ODI |
0 |
17 |
6 |
73 |
374 |
122 |
6 |
0 |
| CDI |
0 |
8 |
18 |
31 |
278 |
314 |
114 |
0 |
| VCDI |
0 |
0 |
0 |
63 |
357 |
5115 |
12058 |
16333 |
|
Date: 2022-11-26:
| 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 |
224 |
5769 |
706 |
409 |
155 |
0 |
0 |
0 |
| OW |
36 |
762 |
390 |
374 |
241 |
33 |
0 |
0 |
| VODI |
33 |
211 |
114 |
192 |
268 |
160 |
1 |
0 |
| ODI |
0 |
54 |
17 |
105 |
195 |
281 |
12 |
0 |
| CDI |
0 |
22 |
3 |
44 |
198 |
342 |
88 |
1 |
| VCDI |
0 |
3 |
7 |
39 |
365 |
4030 |
12843 |
17139 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
215 |
5955 |
885 |
503 |
192 |
2 |
0 |
0 |
| OW |
33 |
512 |
246 |
330 |
224 |
53 |
0 |
0 |
| VODI |
45 |
262 |
65 |
175 |
280 |
189 |
1 |
0 |
| ODI |
0 |
65 |
31 |
84 |
183 |
257 |
14 |
0 |
| CDI |
0 |
26 |
5 |
32 |
158 |
353 |
77 |
1 |
| VCDI |
0 |
1 |
5 |
39 |
385 |
3992 |
12852 |
17139 |
|
Date: 2022-11-28:
| 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 |
1575 |
3967 |
849 |
209 |
40 |
4 |
0 |
0 |
| OW |
49 |
353 |
395 |
307 |
195 |
70 |
0 |
0 |
| VODI |
5 |
161 |
102 |
414 |
425 |
117 |
0 |
0 |
| ODI |
0 |
36 |
7 |
88 |
336 |
457 |
10 |
0 |
| CDI |
0 |
9 |
8 |
6 |
87 |
752 |
126 |
0 |
| VCDI |
0 |
0 |
1 |
14 |
183 |
3194 |
14899 |
16416 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1589 |
3687 |
926 |
364 |
145 |
36 |
0 |
0 |
| OW |
32 |
468 |
314 |
332 |
314 |
82 |
0 |
0 |
| VODI |
8 |
302 |
102 |
226 |
331 |
291 |
0 |
0 |
| ODI |
0 |
53 |
7 |
72 |
158 |
380 |
35 |
0 |
| CDI |
0 |
12 |
6 |
16 |
91 |
470 |
156 |
0 |
| VCDI |
0 |
4 |
7 |
28 |
227 |
3335 |
14844 |
16416 |
|
Date: 2022-11-30:
| 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 |
22 |
3626 |
1955 |
134 |
52 |
2 |
0 |
0 |
| OW |
17 |
578 |
409 |
408 |
186 |
55 |
14 |
0 |
| VODI |
1 |
183 |
228 |
376 |
328 |
202 |
45 |
0 |
| ODI |
0 |
34 |
44 |
188 |
239 |
292 |
6 |
0 |
| CDI |
0 |
18 |
6 |
78 |
190 |
610 |
78 |
0 |
| VCDI |
0 |
5 |
5 |
32 |
178 |
3143 |
15076 |
16823 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
10 |
3502 |
1813 |
270 |
124 |
20 |
3 |
0 |
| OW |
11 |
460 |
540 |
378 |
163 |
71 |
43 |
0 |
| VODI |
15 |
336 |
239 |
318 |
337 |
255 |
18 |
0 |
| ODI |
4 |
111 |
42 |
164 |
209 |
302 |
25 |
0 |
| CDI |
0 |
24 |
7 |
44 |
153 |
451 |
71 |
0 |
| VCDI |
0 |
11 |
6 |
42 |
187 |
3205 |
15059 |
16823 |
|
Date: 2022-12-02:
| 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 |
4088 |
909 |
169 |
81 |
4 |
0 |
0 |
| OW |
4 |
677 |
348 |
341 |
213 |
41 |
0 |
0 |
| VODI |
12 |
237 |
313 |
345 |
318 |
239 |
18 |
0 |
| ODI |
0 |
100 |
101 |
184 |
198 |
281 |
43 |
0 |
| CDI |
0 |
14 |
43 |
106 |
238 |
480 |
171 |
0 |
| VCDI |
0 |
9 |
20 |
89 |
243 |
2918 |
13913 |
18358 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
3585 |
769 |
171 |
171 |
24 |
0 |
0 |
| OW |
0 |
762 |
383 |
253 |
199 |
86 |
0 |
0 |
| VODI |
9 |
476 |
323 |
351 |
301 |
394 |
22 |
0 |
| ODI |
7 |
221 |
140 |
184 |
143 |
256 |
98 |
0 |
| CDI |
0 |
65 |
89 |
162 |
138 |
237 |
135 |
0 |
| VCDI |
0 |
16 |
30 |
113 |
339 |
2966 |
13890 |
18358 |
|
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