DrJack's BLIPSPOT for: THU 04/30 Truckee 7207ft 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 - - 1001z - - 1331z - - 1853z Update Time FCST PERIOD - - - 12 hr - - 12 hr - - 12 hr - - 9 hr FCST PERIOD Temp@2m - - - 50.2 - - 54.3 - - 55.1 - - 47.1 Temp@2m Sfc.Heating - - - 134 - - 183 - - 59 - - -6 Sfc.Heating BL Depth - - - 4088 - - 6090 - - 6870 - - 16 BL Depth Hcrit - - - 9723 - - 11389 - - 11260 - - 7207 Hcrit BL Top - - - 11295 - - 13297 - - 14078 - - 7223 BL Top Hgt.Variab. - - - 1915 - - 1355 - - 1338 - - 6998 Hgt.Variab. W* - - - 373 - - 467 - - 350 - - 8 W* B/S - - - 7 - - 18 - - 14 - - 0 B/S BL Wind - - - 10 - - 5 - - 5 - - 3 BL Wind Direction - - - 113 - - 089 - - 028 - - 330 Direction Wind Shear - - - 4 - - 2 - - 7 - - 0 Wind Shear Max.Converg - - - 13 - - 12 - - 31 - - -2 Max.Converg CLOUDpotent - - - 307 - - 1412 - - 2370 - - -1313 CLOUDpotentl sfcLCL - - - 10989 - - 11885 - - 11708 - - 8536 sfcLCL ODpotential - - - -6147 - - -3780 - - -742 - - -4407 ODpotential blCL - - - 17442 - - 17077 - - 14820 - - 11630 blCL maxRH - - - 51 - - 80 - - 75 - - 75 maxRH CAPE - - - 0 - - 0 - - 20 - - 80 CAPE Temp@2m - - - 50.2 - - 54.3 - - 55.1 - - 47.1 Temp@2m DewPt@2m - - - 27.2 - - 27.3 - - 28.9 - - 34.9 DewPt@2m Temp@Bot - - - 49.3 - - 53.1 - - 54.6 - - 50.5 Temp@Bot DewPt@Bot - - - 26.0 - - 26.2 - - 27.7 - - 33.7 DewPt@bot Sfc.Heating - - - 134 - - 183 - - 59 - - -6 Sfc.Heating BL Depth - - - 4088 - - 6090 - - 6870 - - 16 BL Depth EXPERIMENT - - - 0 - - 20 - - 1 - - 0 EXPERIMENT EXPERIMENT2 - - - 3 - - 3 - - 3 - - 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] 97409 19 306 20 309 13 323 13 295 97409 90002 13 334 18 298 22 323 19 341 90002 84357 11 321 9 308 22 321 19 335 84357 79707 9 292 13 312 19 317 18 320 79707 75701 9 316 13 301 13 303 17 320 75701 72141 17 304 13 303 12 298 17 313 72141 68910 22 298 14 299 16 302 17 318 68910 65938 21 291 19 300 18 309 17 321 65938 63176 20 285 22 302 22 306 20 317 63176 60497 16 291 19 293 21 301 19 311 60497 57695 15 304 18 288 21 295 21 307 57695 54790 19 307 21 290 25 294 27 296 54790 52029 20 305 22 294 24 298 28 283 52029 49539 22 324 24 308 26 309 23 289 49539 47295 31 318 34 306 35 309 32 305 47295 45266 35 306 41 301 43 304 40 308 45266 43422 38 304 46 303 51 308 52 314 43422 41735 41 307 53 308 51 312 59 317 41735 40180 44 310 51 308 52 319 61 319 40180 38735 47 310 48 311 55 324 60 323 38735 37392 48 311 47 315 58 325 61 327 37392 36117 46 313 48 316 59 326 64 327 36117 34845 41 317 46 313 59 330 63 328 34845 33548 37 322 44 311 56 331 61 334 33548 32230 37 326 41 309 52 330 60 339 32230 30882 38 329 39 309 47 331 59 339 30882 29495 38 329 35 317 43 333 57 337 29495 28076 35 335 35 326 40 332 53 336 28076 26629 31 341 32 331 37 328 49 338 26629 25156 29 344 30 336 34 328 43 339 25156 23661 29 343 29 337 32 332 37 338 23661 22140 31 345 29 339 31 335 32 342 22140 20585 32 353 28 347 27 340 28 347 20585 19019 27 000 25 354 22 350 23 347 19019 17521 21 004 20 357 19 358 18 350 17521 16158 15 004 14 357 11 012 11 347 16158 14944 9 009 7 016 7*049 5 023 14944 13855 5 037 5*078 7*055 7 047 13855 12869 5 082 5*086 7 053 9 049 12869 11971 7*105 5 088 6 045 11 051 11971 11155 10*111 5 089 5 036 12 052 11155 10416 10 112 5 090 5 025 12 050 10416 9746 10 113 5 088 4 014 12 046 9746 9132 10 114 5 090 4 003 11 040 9132 8575 10 114 4 090 4 355 10 031 8575 8101 10 113 4 089 4 350 9 020 8101 7731 9 113 4 090 4 347 7 006 7731 7473 8 114 3 087 4 345 6 351 7473 7315 8 113 3 089 3 344 5 337 7315 7223 6 113 3 090 2 342 3*330 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