AVERAGE BASED ON 20 DAYS DrJack's BLIP for: MAR 2002 AVENAL 2573ft pt30752@36.268,-120.696 (at ridge) ---------------------------- VALIDATION TIME ---------------------------------------------- 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z 1Z 2Z 3Z ------------------------------------------------------------------------------------------- Temp@2m 43.3 47.5 53.1 54.9 60.2 62.7 65.6 68.4 64.9 64.5 67.0 60.7 55.9 Temp@2m Temp@Bot 43.4 48.1 52.0 54.2 58.1 60.4 63.3 66.2 67.1 64.5 66.7 61.1 56.2 Temp@Bot Sfc.Heating -11 69 176 260 377 411 410 404 327 132 32 -24 -25 Sfc.Heating BLDepth 16 496 1334 2067 2845 3267 4107 4219 5710 3631 2352 16 16 BLDepth Hcrit 1088 1223 1805 2354 3008 3373 3951 4396 5186 3146 2170 1492 1235 Hcrit BLTop 1104 1689 2456 3154 3969 4436 5196 5637 6504 4737 3704 1508 1251 BLTop Hgt.Variab. 876 1675 1986 2231 2210 2181 2732 2901 3606 3350 2982 3604 3223 Hgt.Variab. W* 2 118 217 291 381 420 458 454 502 267 150 0 0 W* B/S 0 74 8 59 10 17 14 9 227 59 2 0 0 B/S BLWind 6.0 7.9 8.1 6.7 6.7 6.1 7.7 8.0 14.5 10.4 9.8 4.4 6.3 BLWind Direction 276 314 327 327 332 348 328 331 329 324 318 309 295 Direction Max.Converg Max.Converg maxRH 60 58 55 60 52 46 45 42 41 39 37 33 39 maxRH CLOUDpotent -9376 -9258 -8729 -7480 -7462 -7862 -6942 -7905 -6335 -8525 -9935 -11870 -10728 CLOUDpotent sfcLCL 10482 10949 11187 10637 11433 12299 12140 13543 12841 13263 13641 13380 11981 sfcLCL ODpotential -9376 -9484 -9069 -7856 -8337 -8664 -8027 -8816 -7808 -9458 -10203 -11870 -10728 ODpotential blCL 10482 11175 11527 11012 12308 13101 13225 14455 14314 14197 13909 13380 11981 blCL PROFILES OF WIND SPEED [kt] AND DIRECTION [deg] ---------------------------- VALIDATION TIME ---------------------------------------------- Height 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z 1Z 2Z 3Z [ft] ------------------------------------------------------------------------------------------- [ft] 31670 45 295 44 302 41 291 47 291 43 289 43 284 47 286 38 308 39 306 44 284 33 282 39 284 44 291 31670 28838 41 295 41 302 38 291 44 292 40 291 41 285 44 289 39 309 40 307 43 286 29 286 36 284 41 293 28838 26891 40 294 39 302 37 290 41 292 36 290 37 286 40 290 35 311 38 308 40 289 28 287 33 282 38 294 26891 25031 37 293 35 298 35 288 40 291 34 289 35 284 38 290 33 311 37 314 38 293 26 286 32 284 36 296 25031 23197 35 295 33 299 34 290 38 293 32 291 32 288 35 292 30 312 35 316 35 296 23 287 28 285 34 296 23197 21245 34 298 31 300 32 292 36 295 31 295 30 293 35 296 30 311 36 320 33 299 22 287 24 286 33 298 21245 19443 34 300 30 302 30 297 34 299 29 300 28 297 32 299 28 314 36 322 32 303 19 285 23 289 31 301 19443 17712 33 302 30 305 29 302 32 302 27 304 25 298 31 300 26 318 35 325 30 306 18 289 21 288 29 303 17712 16137 32 305 29 306 27 303 31 302 26 303 24 298 29 302 26 321 33 327 28 308 17 291 20 289 26 307 16137 14641 30 307 27 309 26 306 28 304 24 304 22 301 27 304 23 324 30 328 25 310 13 285 17 294 23 311 14641 13245 27 309 25 310 23 309 24 303 21 306 18 305 26 304 20 322 27 331 22 311 10 281 13 292 19 313 13245 12177 24 311 22 315 20 310 21 303 18 306 15 306 23 303 18 321 24 333 20 311 9 288 11 298 17 316 12177 11285 20 314 19 321 17 315 18 306 16 309 13 309 20 305 16 323 22 332 18 314 8 295 9 309 14 322 11285 10370 17 316 15 325 12 322 14 310 12 311 11 313 18 309 16 331 21 332 15 314 5 301 7 310 13 323 10370 9444 15 314 12 323 10 316 12 311 10 310 9 313 15 310 12 333 17 333 13 315 4 298 4 311 11 325 9444 8580 13 312 11 323 9 312 10 309 8 305 7 314 13 310 10 329 14 334 10 313 4 294 3 312 8 323 8580 7611 11 316 10 328 7 316 8 309 6 310 5 328 10 310 9 327 14 340 8 314 2 285 2 318 6 323 7611 6633 8 317 7 331 5 317 5 312 3 304 3 331 7 307 7 326 12 340 7 309 1 265 1 317 5 329 6633 5622 7 325 6 341 4 326 4 319 3 303 2 340 6 307 7 323 13 332 8 308 2 300 3 329 6 339 5622 5023 7 333 6 348 4 332 4 326 3 312 2 322 6 304 7 317 13 327 9 306 4 306 4 324 8 336 5023 4562 6 339 7 356 5 336 4 328 3 315 2 311 6 301 8 316 14 324 10 306 6 306 5 321 9 333 4562 4107 7 343 7 2 5 340 5 329 4 313 2 309 7 304 9 319 15 324 11 308 7 306 7 321 10 330 4107 3659 7 347 8 4 5 344 5 329 4 316 3 306 7 309 8 326 15 326 11 310 9 308 8 319 11 326 3659 3217 8 347 8 3 6 345 5 328 4 317 3 313 7 316 8 333 15 328 11 313 10 309 9 317 12 321 3217 2780 10 345 9 359 6 345 5 330 5 320 4 323 7 325 8 339 15 330 11 317 10 307 9 315 13 318 2780 2349 12 343 10 354 7 341 6 326 6 327 4 336 7 334 8 343 14 331 11 320 10 306 10 313 14 316 2349 1923 12 338 10 346 7 333 6 328 6 333 5 348 7 341 7 347 14 332 10 322 10 306 10 313 14 316 1923 1501 12 330 9 337 7 326 5 328 6 339 6 360 7 346 7 351 13 334 10 324 10 307 9 316 13 315 1501 1223 10 318 8 320 6 321 5 330 6 341 6 2 7 349 7 352 13 335 9 326 9 306 9 317 12 314 1223 1016 9 298 7 306 6 317 5 331 6 344 5 6 6 352 6 355 12 335 9 327 8 307 8 316 10 311 1016 879 9 285 7 303 6 314 5 333 5 346 5 7 6 353 6 357 11 336 8 329 7 307 6 314 8 304 879 810 6 276 5 304 5 323 4 336 5 350 5 8 5 355 5 359 10 338 7 331 6 308 4 309 6 295 810 PROFILES OF RELATIVE HUMIDITY [%] ---------------------------- VALIDATION TIME ---------------------------------------------- Height 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z 1Z 2Z 3Z [ft] ------------------------------------------------------------------------------------------- [ft] 31670 23 18 22 25 26 27 22 14 13 20 27 27 17 31670 28838 27 22 26 28 30 31 26 20 15 23 30 34 28 28838 26891 31 25 31 30 35 36 29 29 19 28 42 44 27 26891 25031 33 28 32 31 34 35 28 28 21 30 40 42 28 25031 23197 34 29 34 31 34 35 29 29 17 29 37 34 27 23197 21245 34 30 36 26 34 35 32 33 17 26 30 26 25 21245 19443 34 30 34 24 33 34 33 36 20 27 35 28 23 19443 17712 29 30 30 25 30 32 33 38 21 29 39 32 25 17712 16137 29 30 29 24 28 30 30 36 20 27 36 32 28 16137 14641 30 29 28 24 25 28 28 32 19 25 32 30 29 14641 13245 27 25 26 26 26 23 27 30 17 23 25 27 28 13245 12177 26 24 25 28 26 22 25 31 18 22 24 26 27 12177 11285 26 22 24 28 25 22 24 29 20 18 23 25 24 11285 10370 27 21 23 28 24 22 24 29 24 19 22 22 22 10370 9444 26 22 22 27 21 20 23 27 28 20 24 25 23 9444 8580 26 21 22 27 21 19 24 26 26 21 24 26 24 8580 7611 27 23 22 29 22 20 25 26 26 22 23 26 26 7611 6633 33 27 25 33 25 24 28 28 31 26 25 29 28 6633 5622 36 32 31 38 30 27 33 28 34 32 28 31 34 5622 5023 40 36 34 41 34 30 36 30 35 33 29 32 37 5023 4562 43 39 37 45 37 33 37 31 34 33 30 33 37 4562 4107 45 41 39 48 40 36 39 35 36 34 30 33 38 4107 3659 47 43 41 50 43 37 40 36 34 34 31 33 38 3659 3217 48 46 44 52 44 37 39 36 33 34 32 34 38 3217 2780 50 49 47 53 44 37 39 34 32 34 31 34 38 2780 2349 51 51 50 53 43 38 38 32 30 32 30 33 38 2349 1923 52 53 50 53 43 37 36 31 28 30 29 33 37 1923 1501 53 55 49 51 42 36 34 29 26 28 28 32 38 1501 1223 55 55 48 49 40 35 33 27 25 27 27 32 38 1223 1016 57 54 47 48 39 34 32 27 25 26 26 31 37 1016 879 60 54 47 47 38 33 31 26 24 26 26 31 38 879 810 66 54 47 44 36 31 29 24 22 25 25 33 39 810 PARAMETER KEY: (the parameters are described more fully at http://www.dr-jack.net/BLIPMAP/index.html) -------------------------------------------------------------------------------------- Temp@2m = Temperature at 2m AGL [F] Temp@Bot = Temperature at 5m AGL (bottom grid point) [F] Sfc.Heating = Surface Heating of atmosphere [W/m^2] BLDepth = Depth of the Boundary (Mixing) Layer [ft] Hcrit = Height of Critical Updraft Strength [ftMSL] BLTop = Height of Boundary Layer Top (TI=0 height) [ftMSL] Hgt.Variab. = Thermal Height Variability (difference between TI=+4 & TI=0 Heights) [ft] W* = Thermal Updraft Velocity (subtract glider sink rate to get vario) [fpm] B/S = Buoyancy/Shear Ratio (thermals may be unworkable if 5 or less) BLWind = Wind Speed averaged through BL [kt] Direction = Wind Direction averaged through BL [deg] Max.Converg = Max. Vertical Velocity created by BL Convergence [x10^-2 kt] maxRH = Maximum Relative Humidity in BL [%] CLOUDpotent = Expect clouds at or above sfcLCL if positive (difference between H(TI=0) & blLCL) [ft] sfcLCL = Base of Lowest Clouds, if CLOUDpotent>0 (LCL = Lifting Condensation Level based upon sfc. humidity) [ftMSL] ODpotential = Expect extensive clouds at blLCL if positive (difference between H(TI=0) & blLCL) [ft] blLCL = Base of Extensive Clouds, if ODpotential>0 (LCL = Lifting Condensation Level based upon BL humidity) [ftMSL] * = Indicates BL Top (TI=0 Height) on profiles Results neglect thermals created by small-scale features not resolved by the smoothed model topography