DrJack's BLIPSPOT for: THU 04/23 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 - - - 39.1 - - 45.6 - - - - - 39.9 Temp@2m Sfc.Heating - - - 160 - - 188 - - - - - -13 Sfc.Heating BL Depth - - - 1602 - - 3306 - - - - - 16 BL Depth Hcrit - - - 7958 - - 9268 - - - - - 7206 Hcrit BL Top - - - 8807 - - 10513 - - - - - 7223 BL Top Hgt.Variab. - - - 1031 - - 1619 - - - - - 1379 Hgt.Variab. W* - - - 281 - - 381 - - - - - 0 W* B/S - - - 7 - - 24 - - - - - 0 B/S BL Wind - - - 7 - - 3 - - - - - 4 BL Wind Direction - - - 105 - - 124 - - - - - 283 Direction Wind Shear - - - 3 - - 2 - - - - - 0 Wind Shear Max.Converg - - - 10 - - 4 - - - - - -10 Max.Converg CLOUDpotent - - - 653 - - 1422 - - - - - 0 CLOUDpotentl sfcLCL - - - 8154 - - 9091 - - - - - 7223 sfcLCL ODpotential - - - -4396 - - -2037 - - - - - -1632 ODpotential blCL - - - 13203 - - 12550 - - - - - 8855 blCL maxRH - - - 71 - - 69 - - - - - 95 maxRH CAPE - - - 0 - - 0 - - - - - 200 CAPE Temp@2m - - - 39.1 - - 45.6 - - - - - 39.9 Temp@2m DewPt@2m - - - 28.6 - - 30.9 - - - - - 38.7 DewPt@2m Temp@Bot - - - 37.9 - - 44.2 - - - - - 40.8 Temp@Bot DewPt@Bot - - - 27.5 - - 29.8 - - - - - 38.9 DewPt@bot Sfc.Heating - - - 160 - - 188 - - - - - -13 Sfc.Heating BL Depth - - - 1602 - - 3306 - - - - - 16 BL Depth EXPERIMENT - - - 0 - - 0 - - - - - 78 EXPERIMENT EXPERIMENT2 - - - 4 - - 4 - - - - - 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] 97435 25 284 36 296 23 298 97435 90034 27 281 31 282 29 300 90034 84379 19 280 24 273 24 300 84379 79698 21 294 18 271 18 284 79698 75666 20 284 15 267 18 288 75666 72102 17 271 13 260 19 306 72102 68861 16 266 12 261 20 299 68861 65866 18 278 16 284 19 287 65866 63077 24 272 20 287 17 284 63077 60363 22 265 20 276 16 287 60363 57518 19 275 18 273 20 289 57518 54559 21 272 21 269 24 280 54559 51738 26 277 22 274 26 285 51738 49203 32 272 33 279 33 291 49203 46938 36 280 38 275 37 288 46938 44890 45 286 41 284 39 286 44890 43026 49 284 47 285 44 284 43026 41324 50 288 47 285 44 283 41324 39761 56 290 53 291 42 290 39761 38321 57 289 63 291 48 296 38321 36991 59 294 66 288 52 294 36991 35732 64 298 63 290 53 293 35732 34475 64 302 63 293 52 293 34475 33191 56 306 63 297 49 295 33191 31888 39 307 58 303 45 296 31888 30557 28 316 47 308 39 300 30557 29194 25 319 32 306 33 303 29194 27801 20 314 21 305 27 311 27801 26378 17 319 20 311 22 310 26378 24928 21 330 21 311 19 306 24928 23458 20 338 17 308 19 303 23458 21960 18 338 13 316 18 306 21960 20426 17 341 13 344 15 319 20426 18883 17 354 13 359 10 325 18883 17405 17 009 12 006 6 312 17405 16062 17 020 11 011 4 301 16062 14860 16 028 10 018 3 290 14860 13776 14 035 8 027 0 198 13776 12795 13 042 7 041 5 094 12795 11905 11 048 5 062 10 089 11905 11099 10 055 4*090 11 085 11099 10369 8 067 3*105 11 078 10369 9708 8 087 3 112 9 065 9708 9101 8*097 3 123 7 042 9101 8552 8*104 3 128 6 347 8552 8086 8 106 3 134 8 310 8086 7722 7 106 2 136 9 297 7722 7468 7 106 2 139 9 291 7468 7312 6 105 2 142 7*287 7312 7223 5 104 2 141 4*283 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