DrJack's BLIPSPOT for: FRI 04/03 Truckee 7206ft 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 - - 1002z - - - - - 1601z Update Time FCST PERIOD - - - 12 hr - - 12 hr - - - - - 12 hr FCST PERIOD Temp@2m - - - 36.8 - - 42.3 - - - - - 34.3 Temp@2m Sfc.Heating - - - 89 - - 89 - - - - - -4 Sfc.Heating BL Depth - - - 939 - - 1413 - - - - - 16 BL Depth Hcrit - - - 7205 - - 7506 - - - - - 7206 Hcrit BL Top - - - 8145 - - 8619 - - - - - 7222 BL Top Hgt.Variab. - - - 650 - - 891 - - - - - 548 Hgt.Variab. W* - - - 196 - - 228 - - - - - 5 W* B/S - - - 2 - - 2 - - - - - 1 B/S BL Wind - - - 18 - - 19 - - - - - 1 BL Wind Direction - - - 119 - - 115 - - - - - 096 Direction Wind Shear - - - 12 - - 13 - - - - - 0 Wind Shear Max.Converg - - - 20 - - 22 - - - - - -7 Max.Converg CLOUDpotent - - - -2112 - - -2596 - - - - - -3433 CLOUDpotentl sfcLCL - - - 10258 - - 11216 - - - - - 10655 sfcLCL ODpotential - - - -10067 - - -10958 - - - - - -11666 ODpotential blCL - - - 18212 - - 19577 - - - - - 18888 blCL maxRH - - - 41 - - 36 - - - - - 36 maxRH CAPE - - - 0 - - 0 - - - - - 0 CAPE Temp@2m - - - 36.8 - - 42.3 - - - - - 34.3 Temp@2m DewPt@2m - - - 17.6 - - 18.8 - - - - - 13.7 DewPt@2m Temp@Bot - - - 36.2 - - 41.8 - - - - - 39.5 Temp@Bot DewPt@Bot - - - 16.5 - - 17.6 - - - - - 12.6 DewPt@bot Sfc.Heating - - - 89 - - 89 - - - - - -4 Sfc.Heating BL Depth - - - 939 - - 1413 - - - - - 16 BL Depth EXPERIMENT - - - 0 - - 0 - - - - - 0 EXPERIMENT EXPERIMENT2 - - - 2 - - 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] 96742 29 271 38 267 38 265 96742 89511 17 233 27 260 31 273 89511 84003 13 209 21 256 27 287 84003 79457 7 235 18 246 23 280 79457 75519 13 271 15 266 14 279 75519 72020 16 259 15 286 13 290 72020 68853 13 265 13 291 16 293 68853 65936 11 282 16 289 17 298 65936 63216 11 289 18 293 20 293 63216 60571 16 289 22 299 22 288 60571 57807 23 290 25 292 22 290 57807 54928 28 289 28 284 26 291 54928 52160 31 295 30 285 28 290 52160 49647 35 294 33 290 33 290 49647 47381 34 290 34 292 36 285 47381 45322 31 293 34 293 34 280 45322 43447 35 295 37 293 33 284 43447 41747 39 291 39 294 35 291 41747 40196 39 290 37 293 35 291 40196 38764 38 301 33 292 31 291 38764 37434 39 311 32 298 28 289 37434 36170 41 314 32 302 26 291 36170 34907 43 315 33 304 25 300 34907 33618 45 318 34 307 27 309 33618 32306 46 320 35 312 29 314 32306 30962 47 323 36 317 30 316 30962 29579 45 326 35 324 28 317 29579 28160 40 327 33 329 26 318 28160 26708 35 326 30 330 26 318 26708 25228 31 325 28 330 25 319 25228 23721 30 329 26 329 24 325 23721 22183 28 336 24 330 22 334 22183 20612 26 341 21 332 19 338 20612 19034 23 347 17 338 16 352 19034 17527 19 355 14 352 13 005 17527 16157 15 000 11 005 10 013 16157 14932 12 008 8 018 8 027 14932 13829 11 024 6 037 7 047 13829 12833 12 044 6 068 6 066 12833 11928 13 060 9 099 6 086 11928 11110 15 078 13 115 9 109 11110 10372 17 097 18 120 13 119 10372 9706 20 110 22 119 16 119 9706 9097 23 116 23*117 19 116 9097 8548 23*119 22*117 21 113 8548 8082 22*120 21 116 21 109 8082 7719 20 119 19 115 19 108 7719 7466 18 118 18 114 13 107 7466 7312 15 118 15 114 8 106 7312 7222 9 116 9 112 1*096 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