DrJack's BLIPSPOT for: FRI 04/17 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 - - - 0953z - - 1001z - - 1333z - - 1600z Update Time FCST PERIOD - - - 9 hr - - 12 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - 34.6 - - 42.2 - - 42.9 - - 34.7 Temp@2m Sfc.Heating - - - 83 - - 97 - - 18 - - -30 Sfc.Heating BL Depth - - - 747 - - 1560 - - 870 - - 16 BL Depth Hcrit - - - 7205 - - 7726 - - 7206 - - 7205 Hcrit BL Top - - - 7952 - - 8767 - - 8076 - - 7222 BL Top Hgt.Variab. - - - 761 - - 1591 - - 2411 - - 353 Hgt.Variab. W* - - - 179 - - 243 - - 129 - - 13 W* B/S - - - 3 - - 8 - - 5 - - 1 B/S BL Wind - - - 11 - - 6 - - 4 - - 5 BL Wind Direction - - - 137 - - 157 - - 241 - - 281 Direction Wind Shear - - - 7 - - 2 - - 2 - - 0 Wind Shear Max.Converg - - - 9 - - -6 - - -13 - - -13 Max.Converg CLOUDpotent - - - -2795 - - -2972 - - -3247 - - -1605 CLOUDpotentl sfcLCL - - - 10748 - - 11740 - - 11324 - - 8828 sfcLCL ODpotential - - - -11737 - - -11921 - - -10113 - - -8577 ODpotential blCL - - - 19689 - - 20688 - - 18189 - - 15799 blCL maxRH - - - 63 - - 72 - - 63 - - 62 maxRH CAPE - - - 0 - - 0 - - 0 - - 0 CAPE Temp@2m - - - 34.6 - - 42.2 - - 42.9 - - 34.7 Temp@2m DewPt@2m - - - 13.3 - - 16.2 - - 18.8 - - 21.7 DewPt@2m Temp@Bot - - - 34.0 - - 41.4 - - 42.7 - - 38.1 Temp@Bot DewPt@Bot - - - 12.2 - - 15.2 - - 17.7 - - 20.7 DewPt@bot Sfc.Heating - - - 83 - - 97 - - 18 - - -30 Sfc.Heating BL Depth - - - 747 - - 1560 - - 870 - - 16 BL Depth EXPERIMENT - - - 0 - - 0 - - 0 - - 0 EXPERIMENT EXPERIMENT2 - - - 2 - - 2 - - 2 - - 3 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] 97136 57 262 69 269 65 280 60 278 97136 89789 51 273 56 271 56 280 50 282 89789 84148 47 283 37 277 38 271 39 276 84148 79470 34 279 27 278 26 279 26 264 79470 75444 23 281 25 271 27 280 21 281 75444 71890 22 288 25 280 20 287 16 305 71890 68670 17 297 20 290 17 289 18 313 68670 65703 17 285 17 298 18 301 20 315 65703 62953 20 298 19 303 21 314 22 326 62953 60290 20 302 22 306 24 318 23 325 60290 57511 22 315 23 315 23 318 24 322 57511 54624 30 325 25 323 25 321 26 319 54624 51862 34 322 29 319 30 320 28 326 51862 49367 35 321 32 317 33 317 33 320 49367 47119 34 328 33 319 32 316 33 316 47119 45076 38 331 36 322 34 315 36 315 45076 43210 42 327 39 317 35 315 35 309 43210 41505 45 317 37 320 37 315 36 318 41505 39950 39 319 46 322 53 313 46 317 39950 38529 44 333 49 314 54 307 49 307 38529 37215 50 334 42 317 46 308 51 305 37215 35964 53 334 43 330 45 308 49 310 35964 34711 54 333 49 337 45 308 48 313 34711 33430 53 332 51 338 44 309 44 311 33430 32127 52 334 52 334 40 317 40 314 32127 30792 53 336 49 333 37 323 38 320 30792 29416 53 338 45 331 38 324 37 319 29416 28003 48 336 45 330 35 322 33 315 28003 26554 44 336 42 328 33 318 30 310 26554 25077 44 336 39 323 33 319 29 308 25077 23576 43 334 38 322 34 323 27 307 23576 22049 40 331 37 328 33 325 25 313 22049 20490 36 327 35 333 31 324 23 320 20490 18923 30 321 31 332 26 320 22 319 18923 17425 26 319 26 328 22 317 21 315 17425 16067 23 324 21 324 20 311 18 311 16067 14854 20 332 17 323 17 308 16 306 14854 13766 18 338 14 326 14 306 13 296 13766 12783 14 342 11 330 9 310 8 281 12783 11892 10 345 8 327 3 321 5 227 11892 11086 6 344 4 311 1 049 4 178 11086 10358 1 016 2 225 2 121 4 139 10358 9699 4 141 4 176 2 151 4 114 9699 9094 11 135 4*162 3 197 4 107 9094 8547 13 134 6*156 4 222 2 108 8547 8081 14*136 6 157 5*236 2 274 8081 7718 14*137 6 157 5*240 6 284 7718 7465 12 138 5 159 5 242 8 285 7465 7311 11 137 5 159 4 241 7*282 7311 7222 7 135 4 156 3 242 5*281 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