Forecasting Hour 30 N -- 60 N 30 S -- 30 N 30 S -- 60 S 108 (Feb., 9) 0.9230(3806) 0.8890(7987) 0.8617(4033) 252 (Feb., 15) 0.8383(3856) 0.8739(7900) 0.7871(3990) 444 (Feb., 23) 0.6916(3953) 0.8054(8052) 0.6742(4053) 612 (March, 2) 0.7051(3162) 0.8048(6479) 0.6697(3486)
Correlation coefficient between TOVS retrieved layer temperatures and nature run
layer temperatures. TOVS temperatures are within +- 6 hours of the designated
nature run forecast time.
February 8, 1993 GMT 06 -- 18Z
60 N -- 90 N
Cloud Cover 0.0-0.2 0.2-0.4 0.4-0.6 0.6-0.8 0.8-1.0 subtotal
C No. of Cases
T L Clear 105 54 41 52 329 581
O O Cloudy 21 9 12 8 55 105
V U Partial Cloudy 365 169 128 149 559 1370
S D Subtotal 491 232 181 209 943 2056
30 N -- 60 N
Cloud Cover 0.0-0.2 0.2-0.4 0.4-0.6 0.6-0.8 0.8-1.0 subtotal
C No. of Cases
T L Clear 513 131 98 115 341 1198
O O Cloudy 67 38 36 29 125 295
V U Partial Cloudy 600 322 213 209 949 2293
S D Subtotal 1180 491 347 353 1415 3786
30 N -- 30 S
Cloud Cover 0.0-0.2 0.2-0.4 0.4-0.6 0.6-0.8 0.8-1.0 subtotal
C No. of Cases
T L Clear 1749 633 377 397 897 4053
O O Cloudy 90 41 20 18 84 253
V U Partial Cloudy 1193 553 354 359 1136 3595
S D Subtotal 3032 1227 751 774 2117 7901
30 S -- 60 S
Cloud Cover 0.0-0.2 0.2-0.4 0.4-0.6 0.6-0.8 0.8-1.0 subtotal
C No. of Cases
T L Clear 423 161 124 104 364 1176
O O Cloudy 205 105 59 80 237 686
V U Partial Cloudy 705 260 209 217 982 2373
S D Subtotal 1333 526 392 401 1583 4235
60 S -- 90 S
Cloud Cover 0.0-0.2 0.2-0.4 0.4-0.6 0.6-0.8 0.8-1.0 subtotal
C No. of Cases
T L Clear 231 46 33 50 286 646
O O Cloudy 100 36 33 27 143 339
V U Partial Cloudy 374 114 91 104 448 1131
S D Subtotal 705 196 157 181 877 2116
March 2, 1993 GMT 06 -- 18Z
60 N -- 90 N
Cloud Cover 0.0-0.2 0.2-0.4 0.4-0.6 0.6-0.8 0.8-1.0 subtotal
C No. of Cases
T L Clear 161 54 40 61 344 660
O O Cloudy 15 9 12 5 51 92
V U Partial Cloudy 459 101 84 111 611 1366
S D Subtotal 635 164 136 177 1006 2118
30 N -- 60 N
Cloud Cover 0.0-0.2 0.2-0.4 0.4-0.6 0.6-0.8 0.8-1.0 subtotal
C No. of Cases
T L Clear 383 122 77 101 342 1025
O O Cloudy 56 45 30 41 116 288
V U Partial Cloudy 468 248 191 200 785 1892
S D Subtotal 907 415 298 342 1243 3205
30 N -- 30 S
Cloud Cover 0.0-0.2 0.2-0.4 0.4-0.6 0.6-0.8 0.8-1.0 subtotal
C No. of Cases
T L Clear 1708 558 368 335 747 3716
O O Cloudy 60 30 22 14 39 165
V U Partial Cloudy 1020 432 263 249 638 2602
S D Subtotal 2788 1020 653 598 1424 6483
30 S -- 60 S
Cloud Cover 0.0-0.2 0.2-0.4 0.4-0.6 0.6-0.8 0.8-1.0 subtotal
C No. of Cases
T L Clear 339 143 107 91 313 993
O O Cloudy 186 93 43 44 225 591
V U Partial Cloudy 615 222 201 183 681 1902
S D Subtotal 1140 458 351 318 1219 3486
60 S -- 90 S
Cloud Cover 0.0-0.2 0.2-0.4 0.4-0.6 0.6-0.8 0.8-1.0 subtotal
C No. of Cases
T L Clear 203 65 54 35 132 489
O O Cloudy 65 28 16 24 131 264
V U Partial Cloudy 288 104 53 87 283 815
S D Subtotal 556 197 123 146 546 1568
Any quentions:
Thomas J. Kleespies
301-763-8136 voice
tkleespies@nesdis.noaa.gov