DrJack's BLIPSPOT for: SAT 03/21 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 - - - 52.1 - - 54.7 - - - - - 39.9 Temp@2m Sfc.Heating - - - -5 - - 21 - - - - - -58 Sfc.Heating BL Depth - - - 16 - - 1561 - - - - - 16 BL Depth Hcrit - - - 7207 - - 7207 - - - - - 7206 Hcrit BL Top - - - 7224 - - 8768 - - - - - 7223 BL Top Hgt.Variab. - - - 1348 - - 1781 - - - - - 63 Hgt.Variab. W* - - - 24 - - 165 - - - - - 0 W* B/S - - - 1 - - 2 - - - - - 0 B/S BL Wind - - - 7 - - 19 - - - - - 6 BL Wind Direction - - - 231 - - 233 - - - - - 256 Direction Wind Shear - - - 0 - - 13 - - - - - 0 Wind Shear Max.Converg - - - -14 - - -46 - - - - - -16 Max.Converg CLOUDpotent - - - -1010 - - 458 - - - - - 0 CLOUDpotentl sfcLCL - - - 8235 - - 8311 - - - - - 7223 sfcLCL ODpotential - - - -5274 - - -4585 - - - - - -6065 ODpotential blCL - - - 12498 - - 13353 - - - - - 13288 blCL maxRH - - - 91 - - 77 - - - - - 75 maxRH CAPE - - - 10 - - 30 - - - - - 0 CAPE Temp@2m - - - 52.1 - - 54.7 - - - - - 39.9 Temp@2m DewPt@2m - - - 41.0 - - 43.2 - - - - - 37.5 DewPt@2m Temp@Bot - - - 52.9 - - 54.6 - - - - - 44.0 Temp@Bot DewPt@Bot - - - 39.9 - - 42.0 - - - - - 39.3 DewPt@bot Sfc.Heating - - - -5 - - 21 - - - - - -58 Sfc.Heating BL Depth - - - 16 - - 1561 - - - - - 16 BL Depth EXPERIMENT - - - 63 - - 8 - - - - - 0 EXPERIMENT EXPERIMENT2 - - - 7 - - 6 - - - - - 6 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] 96413 13 248 15 249 20 273 96413 89336 8 217 8 273 8 295 89336 83894 10 221 8 297 6 314 83894 79368 8 252 11 277 9 304 79368 75454 9 241 8 227 9 304 75454 71994 10 285 10 292 13 313 71994 68858 10 306 14 305 12 311 68858 65972 13 312 11 305 13 290 65972 63318 18 283 14 275 12 273 63318 60765 18 253 16 249 14 286 60765 58093 18 241 26 252 33 283 58093 55294 29 267 38 267 44 277 55294 52582 49 276 51 266 52 271 52582 50105 54 270 58 262 58 270 50105 47864 57 266 63 264 62 268 47864 45819 61 262 70 268 62 271 45819 43945 65 261 74 260 66 268 43945 42230 67 257 74 252 69 261 42230 40660 69 253 68 251 57 259 40660 39213 74 249 48 260 45 249 39213 37871 73 248 42 292 32 244 37871 36592 72 248 65 302 21 242 36592 35310 72 246 61 299 21 267 35310 34000 72 246 41 286 21 288 34000 32667 68 248 53 261 21 283 32667 31301 62 252 58 257 19 271 31301 29890 58 255 54 258 22 265 29890 28446 46 258 52 261 31 268 28446 26972 41 257 49 264 35 277 26972 25470 42 254 47 266 37 285 25470 23942 41 257 46 268 36 283 23942 22385 40 261 45 272 36 281 22385 20794 38 266 43 276 35 286 20794 19199 36 270 40 280 32 294 19199 17676 33 272 35 282 30 298 17676 16294 31 272 31 280 28 296 16294 15057 30 271 28 278 27 292 15057 13941 28 269 27 273 27 287 13941 12931 26 267 25 267 27 284 12931 12014 25 264 25 259 26 282 12014 11183 23 258 25 251 25 280 11183 10434 22 252 25 245 23 277 10434 9756 21 245 24 239 22 275 9756 9136 21 236 23*235 21 270 9136 8577 22 228 22*234 20 262 8577 8101 21 226 21 233 19 254 8101 7730 19 226 19 233 17 253 7730 7472 15 227 17 233 15 254 7472 7314 12*228 15 233 12*254 7314 7223 7*231 9 233 6*256 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