DrJack's BLIPSPOT for: MON 04/27 Truckee 7206ft pt35874@39.407,-120.306 SPONSORED BY: Harry Fox RUC - Last Analysis,Validation Time = 18Z 3Z ----------------------------------- VALIDATION TIME --------------------------------------- 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z 1Z 2Z 3Z ------------------------------------------------------------------------------------------- Update Time - - - 0659z - - 1002z - - - - - 1854z Update Time FCST PERIOD - - - 12 hr - - 12 hr - - - - - 9 hr FCST PERIOD Temp@2m - - - 35.3 - - 36.9 - - - - - 32.1 Temp@2m Sfc.Heating - - - 138 - - 112 - - - - - 7 Sfc.Heating BL Depth - - - 3437 - - 3125 - - - - - 16 BL Depth Hcrit - - - 9198 - - 8866 - - - - - 7206 Hcrit BL Top - - - 10643 - - 10331 - - - - - 7222 BL Top Hgt.Variab. - - - 3153 - - 3102 - - - - - 2002 Hgt.Variab. W* - - - 342 - - 310 - - - - - 20 W* B/S - - - 20 - - 13 - - - - - 1 B/S BL Wind - - - 3 - - 4 - - - - - 4 BL Wind Direction - - - 160 - - 289 - - - - - 305 Direction Wind Shear - - - 2 - - 3 - - - - - 0 Wind Shear Max.Converg - - - 1 - - -7 - - - - - -7 Max.Converg CLOUDpotent - - - 2377 - - 2320 - - - - - 0 CLOUDpotentl sfcLCL - - - 8267 - - 8012 - - - - - 7222 sfcLCL ODpotential - - - 393 - - 415 - - - - - -201 ODpotential blCL - - - 10250 - - 9916 - - - - - 7423 blCL maxRH - - - 83 - - 92 - - - - - 100 maxRH CAPE - - - 10 - - 10 - - - - - 0 CAPE Temp@2m - - - 35.3 - - 36.9 - - - - - 32.1 Temp@2m DewPt@2m - - - 24.3 - - 27.0 - - - - - 31.5 DewPt@2m Temp@Bot - - - 34.3 - - 36.1 - - - - - 31.9 Temp@Bot DewPt@Bot - - - 23.2 - - 25.9 - - - - - 31.6 DewPt@bot Sfc.Heating - - - 138 - - 112 - - - - - 7 Sfc.Heating BL Depth - - - 3437 - - 3125 - - - - - 16 BL Depth EXPERIMENT - - - 34 - - 67 - - - - - 99 EXPERIMENT EXPERIMENT2 - - - 3 - - 4 - - - - - 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] 97374 22 290 33 280 30 308 97374 90032 21 289 26 281 22 296 90032 84422 15 286 20 289 20 289 84422 79778 13 278 15 278 18 288 79778 75756 16 261 18 268 18 276 75756 72173 18 247 22 256 19 266 72173 68904 19 250 25 247 19 259 68904 65879 21 253 24 242 20 258 65879 63061 23 254 22 243 21 255 63061 60323 21 259 20 251 20 255 60323 57459 21 257 18 256 19 252 57459 54475 18 250 19 267 16 258 54475 51621 15 262 21 268 21 274 51621 49061 18 271 20 259 23 283 49061 46779 17 276 18 269 21 287 46779 44717 18 300 19 289 21 285 44717 42839 26 298 23 298 24 287 42839 41121 24 296 26 298 28 289 41121 39540 17 305 27 307 28 284 39540 38075 19 341 35 319 29 283 38075 36716 37 355 37 316 34 284 36716 35433 43 001 33 318 37 284 35433 34172 50 008 30 324 41 285 34172 32904 52 009 32 328 40 291 32904 31621 51 011 33 331 43 293 31621 30306 50 013 33 335 41 291 30306 28951 50 015 34 338 37 291 28951 27563 51 016 36 338 29 288 27563 26145 50 022 35 341 25 284 26145 24700 42 021 32 347 25 282 24700 23233 29 016 26 359 24 283 23233 21738 17 008 23 003 21 292 21738 20212 12 359 19 352 19 302 20212 18678 10 346 15 337 21 312 18678 17212 10 335 7 333 16 327 17212 15887 8 339 5 014 10 360 15887 14707 6 359 5 030 7 054 14707 13646 5 023 5 033 8 079 13646 12686 3 050 5 027 8 083 12686 11813 3 109 4 016 7 082 11813 11020 4*134 4*003 5 069 11020 10304 4*143 4*325 3 004 10304 9656 3 150 4 307 7 321 9656 9061 3 157 4 292 10 315 9061 8524 3 163 5 284 12 312 8524 8068 3 168 5 279 11 311 8068 7711 3 174 5 275 10 309 7711 7462 3 176 5 272 8 306 7462 7310 2 177 4 272 7*305 7310 7222 2 175 4 270 4*305 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