Validation of sea ice concentration - American sector
Bulletin date: 2020-05-28
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-05-22:
| 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 |
0 |
600 |
60 |
418 |
157 |
14 |
0 |
0 |
| OW |
0 |
315 |
25 |
321 |
196 |
67 |
14 |
0 |
| VODI |
0 |
102 |
20 |
288 |
481 |
148 |
63 |
0 |
| ODI |
0 |
29 |
6 |
160 |
441 |
253 |
156 |
4 |
| CDI |
0 |
12 |
6 |
191 |
1192 |
1252 |
771 |
16 |
| VCDI |
0 |
0 |
0 |
33 |
361 |
4026 |
21353 |
12315 |
|
...date precedes bulletin
|
Date: 2020-05-24:
| 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 |
0 |
763 |
79 |
426 |
105 |
8 |
0 |
0 |
| OW |
0 |
242 |
13 |
351 |
318 |
95 |
5 |
0 |
| VODI |
0 |
83 |
4 |
183 |
626 |
229 |
22 |
0 |
| ODI |
0 |
35 |
4 |
125 |
540 |
418 |
76 |
0 |
| CDI |
0 |
27 |
4 |
197 |
1253 |
2303 |
468 |
1 |
| VCDI |
0 |
0 |
0 |
33 |
315 |
6221 |
17279 |
13015 |
|
...date precedes bulletin
|
Date: 2020-05-26:
| 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 |
0 |
1071 |
97 |
589 |
116 |
9 |
0 |
0 |
| OW |
0 |
127 |
23 |
490 |
223 |
7 |
1 |
0 |
| VODI |
0 |
77 |
6 |
199 |
876 |
164 |
57 |
0 |
| ODI |
0 |
14 |
9 |
154 |
809 |
550 |
138 |
1 |
| CDI |
0 |
2 |
2 |
103 |
754 |
2057 |
1831 |
126 |
| VCDI |
0 |
0 |
0 |
9 |
81 |
3261 |
14491 |
17342 |
|
...date precedes bulletin
|
Date: 2020-05-28:
| 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 |
0 |
1353 |
113 |
787 |
140 |
4 |
0 |
0 |
| OW |
0 |
132 |
15 |
338 |
429 |
24 |
10 |
0 |
| VODI |
0 |
68 |
6 |
173 |
888 |
251 |
59 |
0 |
| ODI |
0 |
10 |
7 |
140 |
726 |
566 |
98 |
0 |
| CDI |
0 |
9 |
2 |
63 |
739 |
3974 |
1065 |
0 |
| VCDI |
0 |
4 |
0 |
6 |
54 |
2074 |
12767 |
18772 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1403 |
118 |
874 |
238 |
4 |
0 |
0 |
| OW |
0 |
78 |
10 |
274 |
402 |
40 |
11 |
0 |
| VODI |
0 |
66 |
5 |
140 |
825 |
239 |
54 |
0 |
| ODI |
0 |
17 |
7 |
139 |
689 |
569 |
87 |
0 |
| CDI |
0 |
6 |
2 |
74 |
768 |
3762 |
942 |
0 |
| VCDI |
0 |
6 |
1 |
6 |
54 |
2279 |
12905 |
18772 |
|
Date: 2020-05-30:
| 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 |
0 |
1695 |
114 |
814 |
218 |
6 |
0 |
0 |
| OW |
0 |
158 |
15 |
301 |
572 |
62 |
15 |
0 |
| VODI |
0 |
53 |
10 |
171 |
896 |
362 |
22 |
0 |
| ODI |
0 |
2 |
5 |
103 |
595 |
541 |
152 |
16 |
| CDI |
0 |
12 |
1 |
38 |
694 |
2433 |
2605 |
338 |
| VCDI |
0 |
2 |
1 |
6 |
43 |
1043 |
12754 |
18998 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1750 |
123 |
920 |
397 |
15 |
1 |
0 |
| OW |
0 |
91 |
9 |
206 |
521 |
77 |
10 |
0 |
| VODI |
0 |
63 |
6 |
141 |
774 |
331 |
26 |
0 |
| ODI |
0 |
4 |
6 |
126 |
539 |
551 |
117 |
6 |
| CDI |
0 |
11 |
1 |
34 |
745 |
2348 |
2538 |
327 |
| VCDI |
0 |
3 |
1 |
6 |
42 |
1125 |
12856 |
19019 |
|
Date: 2020-06-01:
| 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 |
1935 |
112 |
760 |
149 |
4 |
0 |
0 |
| OW |
0 |
171 |
13 |
362 |
252 |
15 |
1 |
0 |
| VODI |
0 |
21 |
12 |
372 |
708 |
48 |
10 |
0 |
| ODI |
0 |
6 |
1 |
34 |
1118 |
432 |
19 |
0 |
| CDI |
0 |
14 |
3 |
14 |
575 |
2541 |
621 |
9 |
| VCDI |
0 |
0 |
0 |
3 |
52 |
658 |
12289 |
22532 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1943 |
115 |
1037 |
569 |
34 |
6 |
0 |
| OW |
0 |
111 |
5 |
181 |
544 |
142 |
13 |
0 |
| VODI |
0 |
72 |
16 |
157 |
604 |
393 |
45 |
8 |
| ODI |
0 |
5 |
2 |
146 |
436 |
636 |
163 |
5 |
| CDI |
0 |
16 |
1 |
20 |
635 |
2122 |
3615 |
502 |
| VCDI |
0 |
0 |
2 |
4 |
66 |
371 |
9098 |
22026 |
|
Date: 2020-06-03:
| 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 |
2084 |
103 |
879 |
245 |
7 |
0 |
0 |
| OW |
0 |
182 |
11 |
343 |
407 |
11 |
4 |
0 |
| VODI |
0 |
45 |
18 |
293 |
900 |
101 |
9 |
0 |
| ODI |
0 |
9 |
3 |
67 |
829 |
683 |
22 |
0 |
| CDI |
0 |
15 |
0 |
39 |
708 |
2691 |
840 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
111 |
1609 |
11200 |
21398 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
2026 |
107 |
1132 |
882 |
56 |
7 |
0 |
| OW |
0 |
116 |
6 |
180 |
522 |
139 |
12 |
0 |
| VODI |
0 |
156 |
10 |
117 |
573 |
510 |
19 |
0 |
| ODI |
0 |
22 |
12 |
136 |
442 |
909 |
187 |
0 |
| CDI |
0 |
15 |
0 |
54 |
642 |
2951 |
3163 |
44 |
| VCDI |
0 |
0 |
0 |
2 |
139 |
537 |
8687 |
21354 |
|
Date: 2020-06-05:
| 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 |
2175 |
115 |
1016 |
331 |
14 |
0 |
0 |
| OW |
0 |
199 |
16 |
407 |
537 |
29 |
3 |
0 |
| VODI |
0 |
62 |
20 |
252 |
976 |
307 |
6 |
0 |
| ODI |
0 |
18 |
5 |
144 |
548 |
836 |
50 |
0 |
| CDI |
0 |
9 |
2 |
72 |
597 |
2153 |
1620 |
3 |
| VCDI |
0 |
0 |
0 |
32 |
101 |
1216 |
12251 |
19744 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
2105 |
116 |
1329 |
1129 |
160 |
7 |
0 |
| OW |
0 |
126 |
20 |
165 |
485 |
283 |
8 |
0 |
| VODI |
0 |
151 |
6 |
113 |
436 |
639 |
59 |
0 |
| ODI |
0 |
67 |
11 |
138 |
394 |
866 |
471 |
2 |
| CDI |
0 |
14 |
5 |
111 |
522 |
2161 |
4014 |
47 |
| VCDI |
0 |
0 |
0 |
67 |
124 |
446 |
9371 |
19698 |
|
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