DrJack's BLIPSPOT for: SUN 04/12 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 - - 1002z - - - - - 1601z Update Time FCST PERIOD - - - 12 hr - - 12 hr - - - - - 12 hr FCST PERIOD Temp@2m - - - 27.2 - - 28.6 - - - - - 21.9 Temp@2m Sfc.Heating - - - 135 - - 197 - - - - - -18 Sfc.Heating BL Depth - - - 1883 - - 2622 - - - - - 16 BL Depth Hcrit - - - 8065 - - 8754 - - - - - 7205 Hcrit BL Top - - - 9088 - - 9827 - - - - - 7221 BL Top Hgt.Variab. - - - 2761 - - 1779 - - - - - 2936 Hgt.Variab. W* - - - 276 - - 351 - - - - - 0 W* B/S - - - 2 - - 2 - - - - - 0 B/S BL Wind - - - 23 - - 28 - - - - - 6 BL Wind Direction - - - 229 - - 223 - - - - - 245 Direction Wind Shear - - - 17 - - 21 - - - - - 0 Wind Shear Max.Converg - - - -41 - - -76 - - - - - -8 Max.Converg CLOUDpotent - - - 1867 - - 2606 - - - - - 0 CLOUDpotentl sfcLCL - - - 7222 - - 7222 - - - - - 7221 sfcLCL ODpotential - - - 716 - - 1115 - - - - - -915 ODpotential blCL - - - 8372 - - 8712 - - - - - 8136 blCL maxRH - - - 94 - - 99 - - - - - 97 maxRH CAPE - - - 150 - - 140 - - - - - 0 CAPE Temp@2m - - - 27.2 - - 28.6 - - - - - 21.9 Temp@2m DewPt@2m - - - 24.3 - - 25.5 - - - - - 20.2 DewPt@2m Temp@Bot - - - 26.4 - - 27.7 - - - - - 23.7 Temp@Bot DewPt@Bot - - - 23.3 - - 24.3 - - - - - 21.4 DewPt@bot Sfc.Heating - - - 135 - - 197 - - - - - -18 Sfc.Heating BL Depth - - - 1883 - - 2622 - - - - - 16 BL Depth EXPERIMENT - - - 77 - - 94 - - - - - 88 EXPERIMENT EXPERIMENT2 - - - 3 - - 3 - - - - - 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] 97184 35 271 48 266 45 271 97184 89690 42 279 47 269 55 275 89690 84015 39 266 38 266 46 268 84015 79402 30 256 31 254 27 265 79402 75419 32 250 29 244 19 259 75419 71854 38 232 38 242 23 258 71854 68590 37 216 42 232 26 262 68590 65578 23 223 32 221 31 254 65578 62789 20 250 27 232 29 246 62789 60079 27 258 22 240 23 234 60079 57222 35 249 21 256 21 249 57222 54231 32 241 29 257 22 258 54231 51367 22 235 33 249 29 279 51367 48794 27 258 31 251 34 276 48794 46502 33 258 31 259 34 271 46502 44430 36 256 31 261 35 271 44430 42535 38 254 32 263 35 269 42535 40786 43 254 37 267 34 273 40786 39160 47 251 42 265 35 278 39160 37648 46 249 46 261 37 274 37648 36245 47 246 47 254 36 271 36245 34919 45 242 40 253 36 279 34919 33612 39 243 40 261 45 279 33612 32300 35 252 40 258 48 272 32300 30987 37 261 37 254 42 265 30987 29659 42 259 36 255 40 266 29659 28306 51 251 35 250 41 272 28306 26933 55 247 32 241 47 277 26933 25544 56 244 25 237 48 279 25544 24142 57 239 23 241 35 278 24142 22728 52 239 24 241 24 276 22728 21294 40 237 25 238 18 270 21294 19831 35 223 25 235 18 258 19831 18360 32 220 25 232 19 250 18360 16953 30 219 24 228 21 246 16953 15672 31 220 26 222 23 244 15672 14526 31 221 31 217 25 244 14526 13492 30 221 33 216 26 244 13492 12554 30 222 34 216 26 243 12554 11702 29 222 33 217 27 242 11702 10930 28 223 33 218 28 240 10930 10232 28 224 33*219 27 240 10232 9601 28*225 33*221 26 241 9601 9021 27*227 32 222 24 242 9021 8496 26 228 31 223 22 243 8496 8050 25 230 29 224 21 244 8050 7700 23 231 27 224 18 245 7700 7457 20 231 24 225 15 245 7457 7308 17 231 21 225 12 245 7308 7221 10 231 12 225 6*245 7221 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