DrJack's BLIPSPOT for: SUN 04/26 Truckee 7205ft 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 - - - 29.6 - - 32.3 - - - - - 27.5 Temp@2m Sfc.Heating - - - 109 - - 163 - - - - - 5 Sfc.Heating BL Depth - - - 465 - - 1832 - - - - - 208 BL Depth Hcrit - - - 7205 - - 8109 - - - - - 7205 Hcrit BL Top - - - 7671 - - 9037 - - - - - 7414 BL Top Hgt.Variab. - - - 2358 - - 1677 - - - - - 1835 Hgt.Variab. W* - - - 161 - - 291 - - - - - 43 W* B/S - - - 3 - - 4 - - - - - 1 B/S BL Wind - - - 11 - - 13 - - - - - 9 BL Wind Direction - - - 236 - - 246 - - - - - 238 Direction Wind Shear - - - 6 - - 8 - - - - - 4 Wind Shear Max.Converg - - - -23 - - -41 - - - - - -18 Max.Converg CLOUDpotent - - - 450 - - 1815 - - - - - 193 CLOUDpotentl sfcLCL - - - 7222 - - 7222 - - - - - 7222 sfcLCL ODpotential - - - 320 - - 812 - - - - - -236 ODpotential blCL - - - 7351 - - 8225 - - - - - 7650 blCL maxRH - - - 100 - - 98 - - - - - 99 maxRH CAPE - - - 0 - - 20 - - - - - 0 CAPE Temp@2m - - - 29.6 - - 32.3 - - - - - 27.5 Temp@2m DewPt@2m - - - 28.3 - - 29.0 - - - - - 26.0 DewPt@2m Temp@Bot - - - 28.9 - - 31.3 - - - - - 27.5 Temp@Bot DewPt@Bot - - - 28.2 - - 27.9 - - - - - 25.9 DewPt@bot Sfc.Heating - - - 109 - - 163 - - - - - 5 Sfc.Heating BL Depth - - - 465 - - 1832 - - - - - 208 BL Depth EXPERIMENT - - - 102 - - 92 - - - - - 96 EXPERIMENT EXPERIMENT2 - - - 4 - - 4 - - - - - 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] 97334 34 292 30 301 31 294 97334 90004 25 288 30 288 30 301 90004 84370 19 281 23 280 25 295 84370 79687 15 288 19 280 19 280 79687 75652 14 285 18 275 17 267 75652 72075 18 274 19 271 18 264 72075 68818 24 262 21 258 18 269 68818 65803 23 261 21 251 20 265 65803 62990 23 258 21 254 21 263 62990 60253 24 255 24 255 24 269 60253 57384 26 257 27 253 25 267 57384 54393 26 260 28 250 25 264 54393 51533 26 266 26 253 25 259 51533 48955 30 272 26 261 23 260 48955 46648 33 266 28 272 23 271 46648 44562 30 263 30 275 24 274 44562 42657 31 266 32 274 25 282 42657 40904 33 267 36 275 28 287 40904 39286 35 263 35 275 31 281 39286 37791 31 280 33 279 31 278 37791 36409 38 283 34 278 30 275 36409 35111 39 276 36 275 28 270 35111 33832 35 274 36 273 27 268 33832 32546 33 276 35 273 27 267 32546 31253 35 278 34 276 28 268 31253 29941 37 278 32 278 30 267 29941 28601 37 278 30 277 31 267 28601 27233 35 277 29 276 30 267 27233 25837 33 276 29 274 28 268 25837 24415 33 275 28 275 24 271 24415 22974 32 274 28 277 20 276 22974 21508 32 275 28 280 19 278 21508 20012 30 278 26 281 17 276 20012 18509 27 279 22 276 15 273 18509 17074 22 279 18 272 12 269 17074 15772 19 277 15 274 8 263 15772 14608 18 272 13 274 3 247 14608 13561 15 265 13 263 0 233 13561 12613 13 266 15 249 1 303 12613 11750 11 270 17 239 5 239 11750 10968 12 257 17 235 14 225 10968 10262 16 242 17 236 21 222 10262 9623 20 235 17 238 23 223 9623 9037 20 234 16*243 22 228 9037 8507 20 234 16*245 19 235 8507 8057 18 234 15 246 18 238 8057 7705 16*235 14 246 16 238 7705 7459 14*235 13 246 14*239 7459 7309 11 236 11 246 11*239 7309 7222 8 237 8 246 7 238 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