DrJack's BLIPSPOT for: THU 02/19 Truckee 7204ft 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 - - - 19.6 - - 22.0 - - - - - 13.4 Temp@2m Sfc.Heating - - - 67 - - 155 - - - - - -13 Sfc.Heating BL Depth - - - 761 - - 2318 - - - - - 16 BL Depth Hcrit - - - 7204 - - 8440 - - - - - 7204 Hcrit BL Top - - - 7966 - - 9523 - - - - - 7221 BL Top Hgt.Variab. - - - 1716 - - 3361 - - - - - 1337 Hgt.Variab. W* - - - 162 - - 311 - - - - - 0 W* B/S - - - 5 - - 2 - - - - - 0 B/S BL Wind - - - 5 - - 26 - - - - - 5 BL Wind Direction - - - 136 - - 217 - - - - - 271 Direction Wind Shear - - - 3 - - 19 - - - - - 0 Wind Shear Max.Converg - - - 12 - - -32 - - - - - -10 Max.Converg CLOUDpotent - - - 745 - - 2302 - - - - - 1 CLOUDpotentl sfcLCL - - - 7221 - - 7221 - - - - - 7221 sfcLCL ODpotential - - - 12 - - 1062 - - - - - -1746 ODpotential blCL - - - 7954 - - 8461 - - - - - 8967 blCL maxRH - - - 94 - - 101 - - - - - 98 maxRH CAPE - - - 0 - - 0 - - - - - 0 CAPE Temp@2m - - - 19.6 - - 22.0 - - - - - 13.4 Temp@2m DewPt@2m - - - 17.6 - - 18.5 - - - - - 11.0 DewPt@2m Temp@Bot - - - 19.1 - - 21.1 - - - - - 14.6 Temp@Bot DewPt@Bot - - - 16.8 - - 17.5 - - - - - 13.1 DewPt@bot Sfc.Heating - - - 67 - - 155 - - - - - -13 Sfc.Heating BL Depth - - - 761 - - 2318 - - - - - 16 BL Depth EXPERIMENT - - - 77 - - 104 - - - - - 93 EXPERIMENT EXPERIMENT2 - - - 3 - - 2 - - - - - 2 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] 96818 27 122 23 109 18 100 96818 89631 19 105 15 103 14 094 89631 84035 15 094 13 110 14 085 84035 79366 14 069 11 111 10 086 79366 75326 11 062 8 088 10 077 75326 71731 3 059 2 101 6 033 71731 68467 3 351 5 252 6 328 68467 65462 6 319 6 213 11 244 65462 62655 11 322 13 306 7 285 62655 59922 18 295 24 285 15 309 59922 57058 18 291 24 274 20 276 57058 54054 25 308 24 290 27 271 54054 51170 28 295 31 305 31 302 51170 48579 39 296 38 302 38 310 48579 46264 42 291 37 302 42 312 46264 44156 42 301 43 306 46 312 44156 42219 49 304 50 305 49 312 42219 40433 52 299 55 302 51 312 40433 38777 53 295 55 298 51 316 38777 37241 52 292 50 294 52 319 37241 35818 51 290 47 296 51 319 35818 34476 49 289 47 298 51 322 34476 33153 49 290 47 297 54 329 33153 31824 48 287 43 294 57 333 31824 30498 46 283 38 298 57 334 30498 29164 42 278 35 299 56 337 29164 27817 38 269 33 300 56 342 27817 26458 33 253 25 291 55 346 26458 25085 31 236 15 252 46 345 25085 23703 26 225 8 178 36 348 23703 22316 20 222 6 137 30 349 22316 20915 16 220 3 163 29 344 20915 19492 17 226 5 246 26 336 19492 18064 22 231 11 247 21 333 18064 16698 29 229 15 241 19 337 16698 15457 33 225 16 239 18 343 15457 14344 35 218 16 233 17 349 14344 13342 36 212 16 229 16 354 13342 12433 33 209 17 227 15 360 12433 11605 30 208 20 222 15 002 11605 10853 25 206 25 219 16 359 10853 10171 21 201 29 218 16 351 10171 9552 16 193 30*217 17 339 9552 8983 13 181 30*217 17 319 8983 8469 10 164 30 217 17 296 8469 8031 8*151 28 218 16 278 8031 7690 7*141 26 217 14 273 7690 7452 6 135 23 217 12 271 7452 7305 5 132 19 217 10*271 7305 7221 4 130 11 217 5*271 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