Validation of sea ice concentration

Bulletin date: 2014-07-10

Model vs. observations, sea ice class contingency tables

Date: 2014-07-04:

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 18597 4688 1135 1160 144 110 70 0
OW 0 2 57 550 163 69 60 0
VODI 0 2 38 512 687 234 264 0
ODI 0 0 11 244 601 190 330 0
CDI 0 0 0 134 401 680 556 36
VCDI 0 0 0 52 30 428 2135 2697
...date precedes bulletin

Date: 2014-07-08:

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 18647 4768 1636 956 151 125 67 0
OW 0 2 96 585 169 57 22 0
VODI 0 1 29 764 578 214 39 0
ODI 0 0 1 233 486 439 97 0
CDI 0 0 0 73 291 703 659 48
VCDI 0 0 0 2 19 370 1875 2865
...date precedes bulletin

Date: 2014-07-10:

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 18633 4744 1562 1338 168 113 47 0
OW 0 5 111 663 287 61 36 0
VODI 0 2 58 447 730 252 29 0
ODI 0 0 4 174 373 354 121 0
CDI 0 0 1 98 293 738 467 0
VCDI 0 0 0 0 6 477 2309 2366
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 18633 4742 1339 1373 533 188 76 0
OW 0 6 185 399 337 99 6 0
VODI 0 3 171 438 400 275 24 0
ODI 0 0 27 335 287 369 113 0
CDI 0 0 14 157 297 995 2419 871
VCDI 0 0 0 18 3 69 371 1495

Date: 2014-07-14:

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 18606 4867 1947 1383 172 157 50 0
OW 0 0 121 521 141 120 34 0
VODI 0 0 33 502 529 227 20 0
ODI 0 0 2 198 517 155 45 0
CDI 0 0 1 103 335 826 1385 457
VCDI 0 0 0 9 31 377 1406 1790
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 18606 4865 1708 1419 583 224 75 0
OW 0 2 274 363 191 110 10 0
VODI 0 0 77 438 323 221 37 0
ODI 0 0 36 265 353 197 145 0
CDI 0 0 9 228 274 1070 2135 902
VCDI 0 0 0 3 1 40 538 1345

Date: 2014-07-16:

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 18487 4960 2615 1144 225 134 58 0
OW 0 3 127 618 221 49 22 0
VODI 0 0 41 406 464 106 16 0
ODI 0 0 13 130 398 135 66 0
CDI 0 0 4 49 329 913 1610 524
VCDI 0 0 0 0 50 296 1111 1743
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 18487 4956 2306 1313 493 162 70 0
OW 0 6 277 255 221 100 7 0
VODI 0 1 149 407 336 153 25 0
ODI 0 0 49 204 344 210 158 0
CDI 0 0 19 168 284 960 2139 962
VCDI 0 0 0 0 9 48 484 1305

Date: 2014-07-18:

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 19164 4733 2221 1444 253 134 61 0
OW 0 2 89 537 268 28 21 0
VODI 0 0 17 374 452 82 18 0
ODI 0 0 3 97 342 137 79 0
CDI 0 0 0 46 459 781 2104 469
VCDI 0 0 0 0 37 331 678 1606
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 19164 4731 1997 1459 591 160 71 0
OW 0 4 184 272 247 100 6 0
VODI 0 0 117 446 301 125 33 0
ODI 0 0 14 167 306 243 187 0
CDI 0 0 18 154 359 821 2350 903
VCDI 0 0 0 0 7 44 314 1172


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