DrJack's BLIPSPOT for: THU 04/02 Truckee 7206ft pt35874@39.407,-120.306 SPONSORED BY: Harry Fox RUC - Last Analysis,Validation Time = 15Z 3Z ----------------------------------- VALIDATION TIME --------------------------------------- 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z 1Z 2Z 3Z ------------------------------------------------------------------------------------------- Update Time - - - 0952z - - 1001z - - 1333z - - 1600z Update Time FCST PERIOD - - - 9 hr - - 12 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - 25.7 - - 31.0 - - 32.6 - - 24.0 Temp@2m Sfc.Heating - - - 161 - - 176 - - 76 - - -39 Sfc.Heating BL Depth - - - 1711 - - 2545 - - 2320 - - 16 BL Depth Hcrit - - - 8019 - - 8657 - - 8026 - - 7205 Hcrit BL Top - - - 8917 - - 9751 - - 9526 - - 7222 BL Top Hgt.Variab. - - - 541 - - 965 - - 1072 - - 1751 Hgt.Variab. W* - - - 283 - - 335 - - 247 - - 10 W* B/S - - - 3 - - 6 - - 4 - - 0 B/S BL Wind - - - 16 - - 10 - - 12 - - 5 BL Wind Direction - - - 296 - - 345 - - 016 - - 049 Direction Wind Shear - - - 10 - - 6 - - 6 - - 0 Wind Shear Max.Converg - - - -29 - - -9 - - 6 - - 5 Max.Converg CLOUDpotent - - - 1695 - - 1625 - - 1435 - - -485 CLOUDpotentl sfcLCL - - - 7222 - - 8126 - - 8091 - - 7707 sfcLCL ODpotential - - - -8361 - - -7139 - - -5990 - - -9780 ODpotential blCL - - - 17278 - - 16890 - - 15516 - - 17002 blCL maxRH - - - 89 - - 84 - - 77 - - 55 maxRH CAPE - - - 0 - - 0 - - 0 - - 0 CAPE Temp@2m - - - 25.7 - - 31.0 - - 32.6 - - 24.0 Temp@2m DewPt@2m - - - 19.9 - - 20.9 - - 22.6 - - 16.0 DewPt@2m Temp@Bot - - - 24.7 - - 29.8 - - 32.1 - - 27.7 Temp@Bot DewPt@Bot - - - 18.8 - - 19.7 - - 21.4 - - 15.5 DewPt@bot Sfc.Heating - - - 161 - - 176 - - 76 - - -39 Sfc.Heating BL Depth - - - 1711 - - 2545 - - 2320 - - 16 BL Depth EXPERIMENT - - - 57 - - 34 - - 8 - - 0 EXPERIMENT EXPERIMENT2 - - - 3 - - 3 - - 3 - - 2 EXPERIMENT2 PROFILES OF WIND SPEED [kt] AND DIRECTION [degTrue] ----------------------------------- VALIDATION TIME --------------------------------------- Height 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z 1Z 2Z 3Z [ft] ------------------------------------------------------------------------------------------- [ft] 96511 23 277 33 272 29 285 36 274 96511 89341 20 268 29 272 28 271 16 254 89341 83864 6 257 17 266 18 265 10 286 83864 79304 13 286 18 279 12 282 15 276 79304 75351 18 254 16 273 12 266 16 254 75351 71836 6 218 4 208 7 245 12 297 71836 68642 17 266 19 279 20 288 20 301 68642 65703 22 256 24 255 29 274 26 293 65703 62975 11 272 18 264 26 270 26 283 62975 60322 27 310 16 318 17 293 21 296 60322 57538 41 287 34 294 27 298 25 304 57538 54632 44 281 41 283 33 297 31 298 54632 51842 49 287 49 288 44 299 38 299 51842 49319 52 282 53 285 54 292 48 299 49319 47057 52 287 53 288 56 289 52 296 47057 45018 56 292 54 296 56 295 55 300 45018 43173 59 294 58 301 57 299 58 299 43173 41494 64 297 62 302 56 301 55 298 41494 39950 69 296 66 302 54 305 50 301 39950 38513 70 295 67 303 54 308 48 305 38513 37171 70 294 67 306 54 308 48 308 37171 35892 69 296 68 310 55 307 50 309 35892 34615 69 298 69 310 55 306 50 310 34615 33313 69 299 69 309 55 306 50 311 33313 31992 71 299 70 307 54 308 50 311 31992 30643 72 299 69 307 54 312 49 311 30643 29256 74 300 69 309 55 315 48 311 29256 27835 75 301 69 310 55 317 48 315 27835 26386 75 302 68 310 57 317 49 319 26386 24912 74 303 67 308 58 316 49 321 24912 23417 74 303 67 307 58 315 50 324 23417 21896 75 305 67 309 59 317 49 326 21896 20345 75 308 67 312 59 321 48 328 20345 18787 74 312 66 318 58 326 48 331 18787 17300 73 316 65 324 58 331 48 334 17300 15950 71 319 64 329 57 335 47 337 15950 14743 68 321 61 333 55 339 46 340 14743 13659 63 322 55 336 51 341 44 345 13659 12680 56 321 46 337 43 343 41 350 12680 11796 48 320 34 339 31 346 34 356 11796 10997 39 316 23 344 21 357 26 006 10997 10279 32 313 15*346 15 009 19 022 10279 9632 27 308 12*345 13*015 18 043 9632 9042 21*300 11 345 13*016 19 053 9042 8511 19*298 11 345 12 016 20 053 8511 8059 18 297 10 345 12 016 20 052 8059 7706 17 296 10 345 12 017 18 051 7706 7459 16 296 9 344 11 017 15 050 7459 7309 13 296 8 345 10 017 11*049 7309 7222 9 295 6 344 6 018 5*049 7222 PARAMETER KEY: (basic parameter information is provided at http://www.drjack.info/BLIP/INFO/basic_parameters.html) (more complete parameter descriptions are at http://www.drjack.info/BLIP/RUC/INFO/parameters.html) (additional help is at http://www.drjack.info/BLIP/INFO/index.html, e.g. "For NEW USERS" section) --------------------------------------------------------------------------------------------------- Update Time = UTC Time of BLIPSPOT calculation FCST PERIOD = Hours from model initialization time Temp@2m = Temperature at 2m AGL [F] Sfc.Heating = Surface Heating of atmosphere [W/m^2] BL Depth = Depth of the Boundary (Mixing) Layer [ft] Hcrit = Height of Critical Updraft Strength [ftMSL] BL Top = Height of Boundary Layer Top (TI=0 height) [ftMSL] Hgt.Variab = Thermal Height Variability (difference between TI=+4{F} & 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) BL Wind = Wind Speed averaged through BL [kt] Direction = Wind Direction averaged through BL [degTrue] Max.Converg = Max. Vertical Velocity created by BL Convergence [x10^-2 kt] (note: BLIPMAPs provide better evaluation since convergence lines are usually mobile CLOUDpotent = Expect clouds at or above sfcLCL if positive (difference between H(TI=0) & sfcLCL) [ft] sfcLCL = Base of Lowest Clouds, if CLOUDpotent>0 (LCL = Lifting Condensation Level based upon sfc. humidity) [ftMSL] ODpotential = Expect extensive clouds at blCL if positive (difference between H(TI=0) & blCL) [ft] bLCL = Base of Extensive Clouds, if ODpotential>0 (bl CL = Condensation Level based upon BL humidity) [ftMSL] maxRH = Maximum Relative Humidity in BL [%] CAPE = Convective Available Potential Energy [J/kg] Temp@2m = Temperature at 2m AGL [F] DewPt@2m = Dew Point Temp. at 2m AGL [F] Temp@Bot = Temperature at 16m AGL (bottom of grid) [F] (intended for DrJack's use) DewPt@Bot = Dew Point Temp. at 16m AGL (bottom of grid) [F] (intended for DrJack's use) Sfc.Heating = Surface Heating of atmosphere [W/m^2] BL Depth = Depth of the Boundary (Mixing) Layer [ft] EXPERIMENT = Mystery variable for test purposes (intended for DrJack's use) * = Indicates BL Top (TI=0 Height) on profiles Note: printed heights are for 21Z - heights for other times differ slightly Results neglect thermals created by small-scale features not resolved by the smoothed model topography