Validation of sea ice concentration - American sector
Bulletin date: 2022-10-27
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-10-21:
| 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 |
12259 |
5194 |
436 |
514 |
252 |
0 |
0 |
0 |
| OW |
18 |
677 |
220 |
468 |
315 |
14 |
0 |
0 |
| VODI |
0 |
274 |
79 |
337 |
485 |
105 |
0 |
0 |
| ODI |
0 |
24 |
44 |
228 |
511 |
328 |
0 |
0 |
| CDI |
0 |
4 |
23 |
102 |
283 |
637 |
36 |
0 |
| VCDI |
0 |
0 |
1 |
44 |
206 |
2512 |
7523 |
11713 |
|
...date precedes bulletin
|
Date: 2022-10-23:
| 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 |
12386 |
3985 |
426 |
531 |
368 |
12 |
0 |
0 |
| OW |
2 |
660 |
224 |
471 |
458 |
40 |
0 |
0 |
| VODI |
0 |
199 |
217 |
296 |
729 |
148 |
0 |
0 |
| ODI |
0 |
13 |
49 |
153 |
316 |
342 |
0 |
0 |
| CDI |
0 |
0 |
21 |
95 |
309 |
728 |
14 |
0 |
| VCDI |
0 |
0 |
7 |
95 |
270 |
2311 |
9471 |
10520 |
|
...date precedes bulletin
|
Date: 2022-10-25:
| 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 |
6062 |
9759 |
883 |
644 |
306 |
40 |
0 |
0 |
| OW |
32 |
299 |
139 |
414 |
303 |
11 |
0 |
0 |
| VODI |
0 |
50 |
77 |
274 |
652 |
52 |
0 |
0 |
| ODI |
0 |
4 |
3 |
80 |
685 |
423 |
0 |
0 |
| CDI |
0 |
1 |
0 |
36 |
409 |
998 |
44 |
0 |
| VCDI |
0 |
1 |
0 |
43 |
187 |
2428 |
8221 |
12306 |
|
...date precedes bulletin
|
Date: 2022-10-27:
| 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 |
8953 |
5900 |
650 |
482 |
354 |
232 |
0 |
0 |
| OW |
18 |
448 |
214 |
501 |
216 |
71 |
0 |
0 |
| VODI |
13 |
128 |
102 |
322 |
553 |
114 |
0 |
0 |
| ODI |
0 |
11 |
11 |
145 |
592 |
216 |
0 |
0 |
| CDI |
0 |
3 |
1 |
57 |
456 |
781 |
27 |
0 |
| VCDI |
0 |
0 |
0 |
8 |
253 |
2344 |
8392 |
13298 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8951 |
5979 |
672 |
570 |
364 |
229 |
0 |
0 |
| OW |
18 |
361 |
162 |
381 |
227 |
69 |
0 |
0 |
| VODI |
15 |
133 |
130 |
369 |
586 |
117 |
0 |
0 |
| ODI |
0 |
17 |
14 |
143 |
607 |
220 |
0 |
0 |
| CDI |
0 |
0 |
0 |
41 |
372 |
736 |
40 |
0 |
| VCDI |
0 |
0 |
0 |
11 |
268 |
2387 |
8379 |
13298 |
|
Date: 2022-10-29:
| 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 |
9078 |
4676 |
483 |
262 |
316 |
203 |
0 |
0 |
| OW |
22 |
351 |
299 |
638 |
505 |
127 |
2 |
0 |
| VODI |
16 |
153 |
118 |
313 |
590 |
246 |
3 |
0 |
| ODI |
7 |
20 |
32 |
148 |
415 |
370 |
27 |
0 |
| CDI |
0 |
0 |
0 |
111 |
327 |
574 |
50 |
0 |
| VCDI |
0 |
0 |
0 |
39 |
354 |
2343 |
7175 |
15473 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9068 |
4718 |
506 |
468 |
424 |
228 |
0 |
0 |
| OW |
34 |
322 |
267 |
420 |
412 |
118 |
1 |
0 |
| VODI |
20 |
142 |
123 |
316 |
597 |
265 |
5 |
0 |
| ODI |
1 |
18 |
35 |
168 |
399 |
399 |
24 |
0 |
| CDI |
0 |
0 |
1 |
101 |
296 |
548 |
45 |
0 |
| VCDI |
0 |
0 |
0 |
38 |
379 |
2305 |
7182 |
15473 |
|
Date: 2022-10-31:
| 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 |
7413 |
5739 |
480 |
266 |
121 |
10 |
0 |
0 |
| OW |
24 |
217 |
166 |
269 |
151 |
90 |
0 |
0 |
| VODI |
1 |
95 |
127 |
500 |
518 |
165 |
6 |
0 |
| ODI |
0 |
9 |
20 |
195 |
856 |
731 |
13 |
0 |
| CDI |
0 |
0 |
0 |
6 |
378 |
1429 |
127 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
122 |
2093 |
8680 |
14849 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7406 |
5625 |
459 |
365 |
291 |
221 |
1 |
0 |
| OW |
19 |
202 |
159 |
308 |
438 |
256 |
12 |
0 |
| VODI |
13 |
182 |
107 |
348 |
558 |
614 |
35 |
0 |
| ODI |
0 |
44 |
37 |
91 |
284 |
588 |
32 |
0 |
| CDI |
0 |
7 |
21 |
86 |
258 |
540 |
87 |
0 |
| VCDI |
0 |
0 |
10 |
38 |
317 |
2299 |
8659 |
14849 |
|
Date: 2022-11-02:
| 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 |
2632 |
8361 |
2163 |
185 |
75 |
11 |
0 |
0 |
| OW |
35 |
180 |
197 |
201 |
147 |
105 |
0 |
0 |
| VODI |
7 |
140 |
139 |
254 |
261 |
256 |
11 |
0 |
| ODI |
0 |
44 |
34 |
176 |
519 |
416 |
33 |
0 |
| CDI |
0 |
3 |
20 |
64 |
569 |
1112 |
113 |
0 |
| VCDI |
0 |
0 |
10 |
42 |
328 |
3057 |
7581 |
16385 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2626 |
8153 |
2006 |
203 |
108 |
139 |
4 |
0 |
| OW |
20 |
342 |
322 |
208 |
222 |
276 |
18 |
0 |
| VODI |
25 |
159 |
141 |
282 |
569 |
572 |
63 |
0 |
| ODI |
3 |
55 |
44 |
91 |
352 |
921 |
68 |
0 |
| CDI |
0 |
17 |
19 |
61 |
241 |
585 |
150 |
0 |
| VCDI |
0 |
2 |
31 |
77 |
407 |
2464 |
7435 |
16385 |
|
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 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
3649 |
7639 |
410 |
101 |
53 |
94 |
2 |
0 |
| OW |
43 |
464 |
124 |
159 |
100 |
148 |
2 |
0 |
| VODI |
17 |
504 |
380 |
339 |
413 |
476 |
14 |
0 |
| ODI |
0 |
122 |
74 |
229 |
470 |
988 |
94 |
0 |
| CDI |
5 |
42 |
33 |
104 |
208 |
810 |
147 |
9 |
| VCDI |
0 |
7 |
12 |
134 |
279 |
2361 |
7493 |
17114 |
|
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