DrJack's BLIPSPOT for: FRI 03/20 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 - - - 55.9 - - 60.4 - - - - - 47.9 Temp@2m Sfc.Heating - - - -17 - - -3 - - - - - -81 Sfc.Heating BL Depth - - - 16 - - 16 - - - - - 16 BL Depth Hcrit - - - 7207 - - 7207 - - - - - 7207 Hcrit BL Top - - - 7224 - - 7224 - - - - - 7224 BL Top Hgt.Variab. - - - 324 - - 3392 - - - - - 46 Hgt.Variab. W* - - - 23 - - 26 - - - - - 12 W* B/S - - - 1 - - 1 - - - - - 0 B/S BL Wind - - - 4 - - 4 - - - - - 7 BL Wind Direction - - - 196 - - 234 - - - - - 257 Direction Wind Shear - - - 0 - - 0 - - - - - 0 Wind Shear Max.Converg - - - -7 - - -7 - - - - - -23 Max.Converg CLOUDpotent - - - -4742 - - -2998 - - - - - -2278 CLOUDpotentl sfcLCL - - - 11966 - - 10222 - - - - - 9503 sfcLCL ODpotential - - - -10794 - - -6861 - - - - - -9606 ODpotential blCL - - - 18018 - - 14085 - - - - - 16830 blCL maxRH - - - 46 - - 39 - - - - - 46 maxRH CAPE - - - 20 - - 60 - - - - - 0 CAPE Temp@2m - - - 55.9 - - 60.4 - - - - - 47.9 Temp@2m DewPt@2m - - - 29.2 - - 40.7 - - - - - 31.7 DewPt@2m Temp@Bot - - - 58.6 - - 61.8 - - - - - 53.1 Temp@Bot DewPt@Bot - - - 28.2 - - 39.5 - - - - - 30.8 DewPt@bot Sfc.Heating - - - -17 - - -3 - - - - - -81 Sfc.Heating BL Depth - - - 16 - - 16 - - - - - 16 BL Depth EXPERIMENT - - - 0 - - 0 - - - - - 0 EXPERIMENT EXPERIMENT2 - - - 4 - - 7 - - - - - 5 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] 96442 12 304 15 303 10 290 96442 89351 3 074 8 326 7 297 89351 83902 1 329 4 340 8 313 83902 79380 1 018 6 304 9 329 79380 75473 1 026 7 271 6 317 75473 72016 3 013 11 285 7 312 72016 68899 9 002 14 296 11 334 68899 66051 15 342 12 297 14 332 66051 63421 15 311 8 292 12 312 63421 60877 18 297 13 306 10 288 60877 58213 23 282 22 298 13 282 58213 55423 27 265 27 276 20 281 55423 52732 31 268 31 264 30 281 52732 50284 34 279 36 261 41 278 50284 48069 39 273 40 262 46 268 48069 46044 41 263 44 259 48 259 46044 44187 44 258 48 254 51 253 44187 42485 52 252 54 250 55 248 42485 40920 59 245 56 246 57 245 40920 39467 59 244 56 244 55 243 39467 38115 61 245 55 242 54 242 38115 36827 67 245 55 242 56 240 36827 35541 67 243 56 243 59 236 35541 34228 65 244 56 244 57 234 34228 32892 61 244 57 244 53 235 32892 31521 55 243 57 244 51 238 31521 30109 50 240 55 243 50 240 30109 28660 45 241 50 242 49 241 28660 27178 42 242 46 242 47 240 27178 25666 39 239 44 240 45 239 25666 24130 37 236 42 237 42 236 24130 22563 35 234 39 235 39 233 22563 20962 35 233 38 237 35 232 20962 19353 33 233 36 240 28 235 19353 17814 28 234 31 243 23 236 17814 16416 23 238 26 243 19 230 16416 15165 19 244 20 243 17 222 15165 14038 15 250 16 245 16 219 14038 13018 12 257 13 247 15 220 13018 12091 9 264 12 250 15 225 12091 11250 8 273 11 250 15 230 11250 10490 6 279 11 249 16 234 10490 9802 5 276 11 246 18 235 9802 9171 4 266 11 242 20 235 9171 8602 4 236 11 238 22 236 8602 8118 5 217 11 235 22 237 8118 7740 8 187 10 235 19 241 7740 7477 8 187 8 234 16 246 7477 7316 7*187 6*233 13*250 7316 7224 4*196 4*234 7*257 7224 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