Validation of sea ice concentration - American sector
Bulletin date: 2023-12-21
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-12-15:
| 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 |
319 |
2206 |
193 |
331 |
223 |
13 |
0 |
0 |
| OW |
0 |
406 |
147 |
223 |
363 |
71 |
0 |
0 |
| VODI |
0 |
184 |
76 |
201 |
466 |
243 |
1 |
0 |
| ODI |
0 |
36 |
26 |
112 |
324 |
313 |
3 |
0 |
| CDI |
0 |
73 |
17 |
73 |
307 |
731 |
50 |
0 |
| VCDI |
0 |
25 |
16 |
77 |
558 |
3142 |
8246 |
26071 |
|
...date precedes bulletin
|
Date: 2023-12-17:
| 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 |
266 |
1917 |
99 |
145 |
181 |
122 |
0 |
0 |
| OW |
1 |
366 |
117 |
234 |
277 |
268 |
2 |
0 |
| VODI |
0 |
113 |
79 |
168 |
215 |
477 |
12 |
0 |
| ODI |
0 |
76 |
39 |
100 |
196 |
426 |
34 |
0 |
| CDI |
0 |
8 |
14 |
86 |
147 |
535 |
177 |
0 |
| VCDI |
0 |
29 |
17 |
87 |
351 |
2990 |
8320 |
27175 |
|
...date precedes bulletin
|
Date: 2023-12-19:
| 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 |
127 |
1184 |
53 |
107 |
62 |
0 |
0 |
0 |
| OW |
1 |
356 |
57 |
141 |
120 |
12 |
0 |
0 |
| VODI |
0 |
104 |
89 |
296 |
377 |
104 |
0 |
0 |
| ODI |
0 |
14 |
12 |
94 |
323 |
622 |
45 |
0 |
| CDI |
0 |
2 |
6 |
28 |
137 |
1168 |
338 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
139 |
2444 |
10178 |
27119 |
|
...date precedes bulletin
|
Date: 2023-12-21:
| 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 |
0 |
828 |
24 |
50 |
55 |
0 |
0 |
0 |
| OW |
0 |
449 |
64 |
132 |
92 |
39 |
0 |
0 |
| VODI |
0 |
184 |
30 |
143 |
195 |
94 |
0 |
0 |
| ODI |
0 |
20 |
6 |
113 |
348 |
224 |
7 |
0 |
| CDI |
0 |
0 |
3 |
59 |
287 |
938 |
105 |
1 |
| VCDI |
0 |
1 |
3 |
1 |
81 |
3056 |
10813 |
27421 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
875 |
36 |
68 |
53 |
0 |
0 |
0 |
| OW |
0 |
384 |
50 |
119 |
109 |
26 |
0 |
0 |
| VODI |
0 |
197 |
26 |
130 |
191 |
93 |
0 |
0 |
| ODI |
0 |
24 |
12 |
117 |
318 |
207 |
0 |
0 |
| CDI |
0 |
1 |
3 |
60 |
304 |
820 |
74 |
1 |
| VCDI |
0 |
1 |
3 |
4 |
83 |
3205 |
10851 |
27421 |
|
Date: 2023-12-23:
| 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 |
33 |
647 |
44 |
69 |
26 |
9 |
0 |
0 |
| OW |
31 |
428 |
62 |
118 |
97 |
32 |
0 |
0 |
| VODI |
0 |
153 |
51 |
180 |
186 |
73 |
13 |
0 |
| ODI |
0 |
18 |
4 |
99 |
441 |
143 |
42 |
0 |
| CDI |
0 |
6 |
6 |
93 |
598 |
437 |
65 |
3 |
| VCDI |
0 |
2 |
2 |
36 |
336 |
2263 |
11004 |
28016 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
33 |
687 |
43 |
75 |
31 |
2 |
0 |
0 |
| OW |
31 |
379 |
63 |
104 |
93 |
37 |
0 |
0 |
| VODI |
0 |
160 |
50 |
169 |
184 |
78 |
3 |
0 |
| ODI |
0 |
19 |
4 |
115 |
446 |
130 |
48 |
0 |
| CDI |
0 |
7 |
9 |
100 |
606 |
437 |
103 |
4 |
| VCDI |
0 |
2 |
0 |
32 |
324 |
2273 |
10970 |
28015 |
|
Date: 2023-12-25:
| 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 |
0 |
854 |
78 |
56 |
6 |
0 |
0 |
0 |
| OW |
0 |
180 |
47 |
95 |
53 |
7 |
0 |
0 |
| VODI |
0 |
105 |
66 |
303 |
186 |
29 |
0 |
0 |
| ODI |
0 |
14 |
5 |
71 |
438 |
137 |
10 |
0 |
| CDI |
0 |
8 |
6 |
17 |
472 |
681 |
127 |
0 |
| VCDI |
0 |
10 |
8 |
50 |
147 |
2318 |
15196 |
24086 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
643 |
83 |
65 |
31 |
5 |
0 |
0 |
| OW |
0 |
292 |
63 |
123 |
57 |
40 |
0 |
0 |
| VODI |
0 |
189 |
42 |
230 |
139 |
78 |
29 |
0 |
| ODI |
0 |
28 |
5 |
100 |
363 |
172 |
69 |
0 |
| CDI |
0 |
1 |
0 |
8 |
472 |
560 |
324 |
0 |
| VCDI |
0 |
18 |
17 |
66 |
240 |
2317 |
14911 |
24086 |
|
Date: 2023-12-27:
| 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 |
0 |
554 |
59 |
50 |
9 |
3 |
0 |
0 |
| OW |
0 |
236 |
56 |
99 |
62 |
24 |
1 |
0 |
| VODI |
0 |
100 |
43 |
219 |
256 |
78 |
7 |
0 |
| ODI |
0 |
11 |
3 |
52 |
276 |
142 |
13 |
0 |
| CDI |
0 |
8 |
4 |
22 |
227 |
707 |
155 |
4 |
| VCDI |
0 |
24 |
9 |
24 |
239 |
2971 |
11676 |
27443 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
380 |
48 |
59 |
24 |
25 |
2 |
0 |
| OW |
0 |
239 |
52 |
83 |
66 |
39 |
12 |
0 |
| VODI |
0 |
246 |
51 |
169 |
193 |
64 |
31 |
0 |
| ODI |
0 |
36 |
8 |
103 |
208 |
192 |
61 |
0 |
| CDI |
0 |
1 |
4 |
22 |
241 |
456 |
243 |
10 |
| VCDI |
0 |
31 |
11 |
30 |
337 |
3149 |
11503 |
27437 |
|
Date: 2023-12-29:
| 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 |
0 |
315 |
13 |
24 |
0 |
0 |
0 |
0 |
| OW |
0 |
431 |
50 |
60 |
39 |
11 |
0 |
0 |
| VODI |
0 |
151 |
61 |
159 |
190 |
71 |
3 |
0 |
| ODI |
0 |
7 |
17 |
90 |
280 |
168 |
12 |
0 |
| CDI |
0 |
5 |
13 |
18 |
201 |
462 |
71 |
0 |
| VCDI |
0 |
10 |
10 |
30 |
190 |
3004 |
13970 |
25730 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
124 |
2 |
5 |
2 |
0 |
0 |
0 |
| OW |
0 |
367 |
39 |
78 |
27 |
43 |
0 |
0 |
| VODI |
0 |
316 |
60 |
121 |
153 |
64 |
26 |
0 |
| ODI |
0 |
94 |
45 |
128 |
207 |
167 |
40 |
0 |
| CDI |
0 |
6 |
4 |
16 |
248 |
330 |
141 |
6 |
| VCDI |
0 |
12 |
14 |
33 |
263 |
3112 |
13849 |
25724 |
|
Generated by /metno/routine/sms/V2/xSIvalidation/AMSR2SIwebPageSector.sh Fri 05 Jan 2024 02:48:09 AM UTC on arcval