AVERAGE BASED ON 30 DAYS DrJack's BLIP for: MAY 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 61.6 65.2 70.0 57.0 77.8 57.1 84.7 85.6 84.4 85.3 -24.5 77.6 74.0 Temp@2m Temp@Bot 60.9 63.7 67.8 71.9 74.7 78.4 81.5 82.4 82.0 83.0 79.9 77.8 74.5 Temp@Bot Sfc.Heating 87 233 364 468 570 578 591 535 428 303 200 58 -22 Sfc.Heating BLDepth 588 1599 2477 3368 4150 5416 6289 7264 7194 6888 4868 3909 349 BLDepth Hcrit 818 1575 2362 3028 3791 4673 5517 6388 6098 5633 3908 1342 794 Hcrit BLTop 1382 2392 3271 4162 4943 6209 7082 8058 7988 7681 5662 4703 1142 BLTop Hgt.Variab. 1846 1806 1915 2403 2821 3110 3378 3489 3941 3475 3224 3479 5819 Hgt.Variab. W* 145 286 387 456 534 573 623 638 583 507 385 212 8 W* B/S 5 10 16 24 24 20 18 112 14 9 5 146 37 B/S BLWind 6.2 5.4 4.5 3.7 3.5 3.8 5.0 5.0 7.8 10.3 13.8 13.8 10.2 BLWind Direction 297 326 336 331 331 313 301 275 290 298 287 288 297 Direction Max.Converg 0 4 6 8 9 9 10 15 33 32 26 28 -5 Max.Converg maxRH 46 50 47 45 46 42 38 39 42 38 40 42 27 maxRH CLOUDpotent -11994 -10351 -10094 -9194 -7980 -7243 -7542 -6145 -5894 -7479 -8021 -8603 -13465 CLOUDpotent sfcLCL 13378 12745 13366 13358 12925 13454 14626 14205 13884 15136 13685 13308 14609 sfcLCL ODpotential -12041 -10558 -10451 -9588 -8794 -8299 -8824 -7577 -6880 -8227 -8361 -8743 -13476 ODpotential blCL 13425 12953 13723 13752 13739 14510 15908 15637 14869 15884 14025 13448 14621 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] 27333 26 269 27 268 25 264 25 267 26 265 25 267 23 262 18 248 17 252 21 265 23 236 26 242 23 266 27333 24370 24 267 24 268 23 264 22 266 23 264 23 267 21 264 15 250 14 251 19 265 18 235 20 233 19 266 24370 21994 22 264 22 267 21 262 20 264 21 263 21 267 19 265 13 250 12 257 18 267 17 235 19 236 17 265 21994 19898 20 263 21 266 18 262 18 265 19 266 19 269 16 267 9 256 9 253 16 268 16 232 18 237 15 265 19898 18093 18 266 18 268 16 262 16 265 17 265 17 266 15 266 8 249 7 243 14 268 14 225 16 237 14 268 18093 16498 16 269 16 270 14 265 14 266 16 263 16 267 13 266 7 251 6 231 12 268 13 215 14 228 12 267 16498 15028 14 272 14 271 12 266 12 267 14 265 13 272 12 264 7 239 4 211 10 265 11 203 12 219 10 266 15028 13675 13 275 12 270 10 262 11 269 12 264 11 268 10 257 7 228 4 213 9 260 11 201 12 214 9 265 13675 12552 12 278 11 271 9 259 9 270 9 262 8 266 8 252 5 214 3 206 7 255 9 200 9 207 8 259 12552 11570 11 282 9 275 7 258 6 270 7 263 7 269 6 247 5 203 3 210 6 250 7 191 8 200 8 254 11570 10653 10 286 8 277 5 261 5 271 5 268 5 273 5 235 5 186 4 204 5 252 4 192 6 193 7 252 10653 9884 9 289 7 281 5 263 4 276 4 272 4 271 4 229 5 179 3 201 4 260 1 160 3 186 5 256 9884 9141 8 293 6 287 4 272 4 286 4 284 3 277 3 233 4 184 3 225 5 282 1 39 1 318 4 270 9141 8455 8 298 6 294 4 283 4 300 4 291 3 284 3 257 3 201 3 267 6 294 2 10 3 338 4 291 8455 7836 7 304 6 302 4 291 4 311 4 297 4 289 3 275 3 220 4 278 7 299 3 351 5 335 4 306 7836 7228 7 310 6 308 4 302 5 317 4 300 5 287 4 283 4 252 4 286 8 301 5 339 6 333 5 312 7228 6592 6 314 6 314 4 315 6 319 4 302 5 291 5 286 5 270 5 295 9 304 6 337 7 333 6 325 6592 6081 6 316 6 318 4 326 6 319 5 306 5 293 7 287 6 279 6 299 9 308 7 336 8 334 8 331 6081 5598 6 320 5 325 4 334 6 317 5 309 6 294 7 288 7 283 7 300 9 312 9 335 9 334 9 334 5598 5121 5 325 5 332 4 338 6 315 5 308 6 296 7 290 7 284 8 299 10 312 10 333 10 332 11 334 5121 4651 5 333 5 340 4 340 6 311 6 307 6 293 7 292 7 285 9 296 10 312 10 327 11 329 12 333 4651 4187 5 344 5 346 4 337 6 309 5 307 5 294 6 296 7 286 9 295 10 311 11 321 11 327 13 330 4187 3729 6 353 5 348 5 336 5 311 4 306 5 303 5 302 6 288 9 293 10 309 12 314 12 323 14 328 3729 3276 7 357 6 348 5 336 5 313 3 315 4 318 5 309 5 290 8 290 10 308 13 307 13 316 15 324 3276 2830 9 355 8 346 6 337 3 323 3 334 3 334 4 319 5 293 8 288 11 306 14 299 14 308 16 320 2830 2388 11 351 9 342 5 339 3 340 3 357 3 354 3 331 4 299 8 285 10 303 15 292 14 299 16 315 2388 1951 11 346 6 335 4 338 3 352 3 15 3 9 3 344 4 301 7 285 10 302 15 284 15 291 16 310 1951 1519 9 334 5 326 3 342 3 6 3 26 3 21 3 354 3 306 7 283 10 302 15 280 14 283 16 307 1519 1234 6 312 4 328 3 347 3 12 3 32 3 25 3 360 3 310 7 283 9 302 14 279 13 282 14 307 1234 1022 6 292 3 329 3 353 3 17 3 36 3 31 3 2 3 311 6 283 9 302 13 278 12 281 13 306 1022 881 5 288 3 334 3 359 3 22 3 39 3 32 3 7 2 314 6 283 8 302 12 277 11 281 11 305 881 810 4 287 2 338 2 2 3 28 3 41 3 35 3 11 2 320 5 281 7 304 10 277 9 280 8 302 810 PROFILES OF RELATIVE HUMIDITY [%] ---------------------------- VALIDATION TIME ---------------------------------------------- Height 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z 1Z 2Z 3Z [ft] ------------------------------------------------------------------------------------------- [ft] 27333 25 26 27 23 25 27 25 29 33 26 32 25 25 27333 24370 31 28 31 30 28 29 28 34 38 27 37 32 28 24370 21994 27 28 30 30 26 28 28 33 37 27 35 30 29 21994 19898 25 27 29 26 23 26 26 29 31 25 32 29 28 19898 18093 23 25 25 23 23 26 24 22 26 24 27 25 27 18093 16498 21 22 22 21 22 25 22 20 24 24 27 25 26 16498 15028 20 21 21 20 21 23 20 18 21 21 23 24 23 15028 13675 19 20 20 18 19 21 19 17 19 19 22 23 21 13675 12552 19 20 21 18 20 20 18 17 17 19 20 21 21 12552 11570 20 21 22 19 21 19 19 18 18 20 20 22 24 11570 10653 21 23 24 21 22 21 22 20 21 23 26 25 26 10653 9884 23 25 23 22 22 22 22 23 24 26 30 30 29 9884 9141 25 26 24 23 23 22 22 25 27 28 33 35 33 9141 8455 27 28 26 24 24 24 23 27 30 31 35 39 35 8455 7836 29 31 28 27 27 27 26 29 33 33 36 41 37 7836 7228 32 34 30 30 30 29 28 31 35 35 37 41 39 7228 6592 34 36 33 31 32 33 31 33 35 36 37 40 38 6592 6081 36 37 35 34 35 34 33 34 36 35 37 39 37 6081 5598 37 39 37 35 36 35 33 35 36 34 37 38 35 5598 5121 38 40 38 37 38 37 33 35 35 32 37 37 34 5121 4651 40 42 39 38 39 38 33 34 34 31 35 35 32 4651 4187 40 43 41 39 41 38 32 32 32 30 34 33 31 4187 3729 42 44 42 41 42 37 31 30 31 28 33 32 29 3729 3276 43 45 43 41 41 35 29 28 29 26 32 31 28 3276 2830 44 46 44 41 39 33 27 27 27 25 30 31 28 2830 2388 44 47 44 39 37 31 26 25 25 24 29 30 27 2388 1951 45 48 42 37 35 29 24 23 24 22 28 29 27 1951 1519 45 46 39 34 33 27 23 22 22 21 27 29 27 1519 1234 45 44 37 33 31 26 22 21 21 20 25 28 26 1234 1022 44 42 36 32 30 25 21 20 21 19 25 27 25 1022 881 43 41 35 31 29 24 20 20 20 19 24 26 25 881 810 42 40 33 29 27 22 19 19 19 18 23 26 25 810 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