DrJack's BLIPSPOT for: SUN 03/29 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 - - - 0952z - - 1001z - - 1333z - - 1600z Update Time FCST PERIOD - - - 9 hr - - 12 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - 52.0 - - 54.2 - - 52.4 - - 42.9 Temp@2m Sfc.Heating - - - 65 - - 118 - - 21 - - -38 Sfc.Heating BL Depth - - - 2401 - - 3901 - - 2865 - - 16 BL Depth Hcrit - - - 8140 - - 9540 - - 7207 - - 7206 Hcrit BL Top - - - 9608 - - 11108 - - 10072 - - 7223 BL Top Hgt.Variab. - - - 2917 - - 2392 - - 2675 - - 810 Hgt.Variab. W* - - - 255 - - 357 - - 209 - - 15 W* B/S - - - 6 - - 7 - - 3 - - 1 B/S BL Wind - - - 8 - - 9 - - 12 - - 5 BL Wind Direction - - - 308 - - 274 - - 276 - - 277 Direction Wind Shear - - - 6 - - 4 - - 7 - - 0 Wind Shear Max.Converg - - - -13 - - -25 - - -30 - - -13 Max.Converg CLOUDpotent - - - -1603 - - -243 - - -644 - - -1310 CLOUDpotentl sfcLCL - - - 11211 - - 11352 - - 10716 - - 8534 sfcLCL ODpotential - - - -5867 - - -4791 - - -5235 - - -6111 ODpotential blCL - - - 15475 - - 15899 - - 15307 - - 13334 blCL maxRH - - - 67 - - 81 - - 71 - - 79 maxRH CAPE - - - 0 - - 0 - - 0 - - 0 CAPE Temp@2m - - - 52.0 - - 54.2 - - 52.4 - - 42.9 Temp@2m DewPt@2m - - - 28.1 - - 29.6 - - 30.6 - - 30.8 DewPt@2m Temp@Bot - - - 51.4 - - 53.3 - - 52.2 - - 46.0 Temp@Bot DewPt@Bot - - - 26.9 - - 28.4 - - 29.4 - - 29.6 DewPt@bot Sfc.Heating - - - 65 - - 118 - - 21 - - -38 Sfc.Heating BL Depth - - - 2401 - - 3901 - - 2865 - - 16 BL Depth EXPERIMENT - - - 0 - - 23 - - 0 - - 18 EXPERIMENT EXPERIMENT2 - - - 3 - - 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] 96441 29 285 30 283 20 275 30 267 96441 89187 16 288 22 270 27 265 32 288 89187 83695 22 300 23 284 27 287 29 296 83695 79173 25 289 28 291 31 297 21 305 79173 75263 16 283 24 286 28 291 22 305 75263 71791 14 300 20 279 22 292 19 300 71791 68629 21 295 22 276 26 287 22 293 68629 65699 22 282 25 269 28 276 25 287 65699 62964 23 288 25 279 27 276 27 283 62964 60294 30 284 31 277 28 268 27 274 60294 57493 34 270 32 264 28 272 31 283 57493 54577 36 266 42 268 43 271 43 277 54577 51790 44 266 50 264 47 270 44 276 51790 49280 45 265 50 268 52 272 51 276 49280 47041 45 270 52 271 54 271 54 274 47041 45039 46 271 52 267 54 270 55 273 45039 43241 43 265 48 261 51 264 56 269 43241 41604 42 266 43 256 46 256 53 264 41604 40093 44 272 41 259 45 254 50 262 40093 38683 43 272 44 261 45 256 48 261 38683 37363 40 268 44 260 43 262 50 263 37363 36105 37 266 43 256 42 269 51 268 36105 34848 34 267 41 255 42 272 48 268 34848 33564 32 266 37 256 41 272 43 261 33564 32257 30 261 35 256 40 269 42 259 32257 30918 29 257 36 257 40 266 40 261 30918 29540 29 255 37 258 38 263 39 264 29540 28126 30 256 37 258 35 261 38 267 28126 26678 29 255 35 256 32 263 37 268 26678 25202 28 257 32 257 31 265 35 265 25202 23700 27 259 29 259 30 265 34 261 23700 22169 27 259 28 262 28 263 32 256 22169 20605 29 258 29 264 27 264 31 254 20605 19036 29 256 30 264 26 267 29 257 19036 17537 27 255 29 261 25 269 26 260 17537 16176 24 254 26 257 24 269 24 261 16176 14957 21 253 23 253 22 266 21 262 14957 13860 18 252 19 249 20 263 19 262 13860 12866 17 258 16 250 18 260 17 261 12866 11964 15 269 13 256 15 263 16 261 11964 11145 14 283 10*267 13 270 16 265 11145 10405 14 296 10*272 13*274 15 271 10405 9736 12*303 10 273 13*275 15 279 9736 9122 11*307 9 274 13 276 16 285 9122 8567 9 308 9 275 13 276 16 287 8567 8095 8 308 9 275 13 276 16 287 8095 7727 7 308 9 274 12 276 15 286 7727 7471 7 308 8 274 11 276 13 284 7471 7313 6 307 7 274 9 275 10*280 7313 7223 4 307 6 274 6 274 5*277 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