DrJack's BLIPSPOT for: FRI 03/13 Truckee 7207ft 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 - - - 0659z - - 1001z - - - - - 1601z Update Time FCST PERIOD - - - 12 hr - - 12 hr - - - - - 12 hr FCST PERIOD Temp@2m - - - 45.8 - - 50.1 - - - - - 37.4 Temp@2m Sfc.Heating - - - -30 - - 6 - - - - - -75 Sfc.Heating BL Depth - - - 16 - - 550 - - - - - 16 BL Depth Hcrit - - - 7206 - - 7206 - - - - - 7206 Hcrit BL Top - - - 7223 - - 7756 - - - - - 7223 BL Top Hgt.Variab. - - - 455 - - 859 - - - - - 87 Hgt.Variab. W* - - - 24 - - 96 - - - - - 12 W* B/S - - - 1 - - 2 - - - - - 0 B/S BL Wind - - - 5 - - 11 - - - - - 6 BL Wind Direction - - - 254 - - 253 - - - - - 253 Direction Wind Shear - - - 0 - - 8 - - - - - 0 Wind Shear Max.Converg - - - -14 - - -27 - - - - - -19 Max.Converg CLOUDpotent - - - -6592 - - -2957 - - - - - -872 CLOUDpotentl sfcLCL - - - 13816 - - 10714 - - - - - 8096 sfcLCL ODpotential - - - -13339 - - -9146 - - - - - -9045 ODpotential blCL - - - 20562 - - 16902 - - - - - 16268 blCL maxRH - - - 86 - - 76 - - - - - 90 maxRH CAPE - - - 0 - - 0 - - - - - 0 CAPE Temp@2m - - - 45.8 - - 50.1 - - - - - 37.4 Temp@2m DewPt@2m - - - 11.5 - - 28.7 - - - - - 27.4 DewPt@2m Temp@Bot - - - 48.4 - - 50.3 - - - - - 42.6 Temp@Bot DewPt@Bot - - - 10.4 - - 27.5 - - - - - 26.9 DewPt@bot Sfc.Heating - - - -30 - - 6 - - - - - -75 Sfc.Heating BL Depth - - - 16 - - 550 - - - - - 16 BL Depth EXPERIMENT - - - 46 - - 6 - - - - - 61 EXPERIMENT EXPERIMENT2 - - - 2 - - 3 - - - - - 4 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] 96221 8 217 6 296 4 334 96221 89131 9 077 3 137 9 004 89131 83648 12 011 10 025 12 005 83648 79084 11 011 9 349 10 016 79084 75142 14 355 13 329 19 354 75142 71674 22 355 14 335 15 353 71674 68537 31 339 21 324 24 338 68537 65661 31 335 27 319 33 322 65661 63000 32 320 33 313 36 318 63000 60408 38 314 37 307 38 307 60408 57687 47 307 44 303 42 303 57687 54849 52 299 51 300 47 301 54849 52131 58 296 59 300 56 301 52131 49684 60 291 61 295 61 295 49684 47492 56 292 59 288 63 293 47492 45504 52 294 57 290 61 292 45504 43684 53 294 57 294 58 290 43684 42006 56 287 58 292 57 287 42006 40452 63 286 71 288 56 284 40452 39005 72 284 84 283 61 279 39005 37657 74 282 83 280 69 276 37657 36374 72 282 81 281 76 276 36374 35094 69 283 76 282 79 277 35094 33788 64 286 68 280 82 277 33788 32462 61 289 65 274 77 278 32462 31105 57 288 62 276 69 282 31105 29707 57 287 57 284 59 281 29707 28273 58 285 53 282 55 282 28273 26807 54 286 51 282 49 283 26807 25318 49 289 51 287 43 283 25318 23811 46 293 51 291 39 284 23811 22281 45 298 49 292 37 283 22281 20716 45 304 44 292 37 280 20716 19140 41 305 40 291 37 279 19140 17629 36 303 36 289 36 282 17629 16252 31 302 33 288 34 287 16252 15018 27 301 30 289 32 290 15018 13908 25 301 28 291 30 290 13908 12903 23 301 25 293 28 287 12903 11991 21 300 23 294 26 282 11991 11164 20 298 22 293 26 277 11164 10418 19 294 20 289 25 273 10418 9743 18 290 20 284 25 271 9743 9126 18 284 20 277 24 270 9126 8568 18 278 19 267 24 268 8568 8095 18 272 17*258 23 263 8095 7726 16 265 14*254 20 256 7726 7469 13 257 12 253 17 251 7469 7313 11*255 10 251 13*250 7313 7223 5*254 6 251 6*253 7223 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