DrJack's BLIPSPOT for: SUN 04/27 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 - - 1001z - - 1334z - - 1600z Update Time FCST PERIOD - - - 12 hr - - 12 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - 30.0 - - 29.4 - - 31.4 - - 29.3 Temp@2m Sfc.Heating - - - 100 - - 78 - - 68 - - -2 Sfc.Heating BL Depth - - - 983 - - 650 - - 302 - - 16 BL Depth Hcrit - - - 7205 - - 7205 - - 7205 - - 7205 Hcrit BL Top - - - 8188 - - 7855 - - 7508 - - 7222 BL Top Hgt.Variab. - - - 873 - - 961 - - 963 - - 723 Hgt.Variab. W* - - - 202 - - 161 - - 120 - - 0 W* B/S - - - 2 - - 2 - - 2 - - 0 B/S BL Wind - - - 17 - - 13 - - 11 - - 6 BL Wind Direction - - - 281 - - 270 - - 275 - - 288 Direction Wind Shear - - - 9 - - 7 - - 5 - - 0 Wind Shear Max.Converg - - - -33 - - -30 - - -25 - - -11 Max.Converg CLOUDpotent - - - 966 - - 633 - - 286 - - 0 CLOUDpotentl sfcLCL - - - 7222 - - 7222 - - 7222 - - 7222 sfcLCL ODpotential - - - 215 - - 256 - - 108 - - -3093 ODpotential blCL - - - 7973 - - 7599 - - 7400 - - 10315 blCL maxRH - - - 99 - - 101 - - 99 - - 99 maxRH CAPE - - - 0 - - 0 - - 0 - - 0 CAPE Temp@2m - - - 30.0 - - 29.4 - - 31.4 - - 29.3 Temp@2m DewPt@2m - - - 27.4 - - 28.4 - - 30.6 - - 28.8 DewPt@2m Temp@Bot - - - 29.4 - - 29.0 - - 30.9 - - 29.8 Temp@Bot DewPt@Bot - - - 26.5 - - 27.7 - - 30.3 - - 28.9 DewPt@bot Sfc.Heating - - - 100 - - 78 - - 68 - - -2 Sfc.Heating BL Depth - - - 983 - - 650 - - 302 - - 16 BL Depth EXPERIMENT - - - 97 - - 102 - - 94 - - 95 EXPERIMENT EXPERIMENT2 - - - 4 - - 4 - - 5 - - 4 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] 97511 6 108 6 276 10 338 5 336 97511 90176 6 084 3 015 9 025 5 055 90176 84551 7 114 9 094 7 000 9 059 84551 79892 8 104 10 120 4 303 7 051 79892 75867 9 077 9 095 4 100 4 070 75867 72295 3 155 4 062 7 083 5 111 72295 69047 8 168 2 175 6 121 5 128 69047 66039 5 208 7 196 4 185 5 137 66039 63221 13 222 14 202 12 236 4 241 63221 60472 14 210 15 211 13 228 8 248 60472 57594 11 224 12 229 9 248 7 263 57594 54615 10 242 9 245 9 277 7 308 54615 51777 10 255 5 285 12 285 9 310 51777 49226 7 290 10 330 14 300 15 315 49226 46948 8 325 16 333 15 319 16 314 46948 44888 16 350 19 329 19 342 18 343 44888 43009 21 342 21 333 27 349 25 357 43009 41285 21 340 23 343 31 347 31 355 41285 39691 21 349 25 354 32 350 34 355 39691 38212 24 001 29 001 33 355 35 004 38212 36842 31 359 34 003 34 002 38 008 36842 35550 35 358 37 002 37 007 40 009 35550 34275 36 004 38 001 38 011 40 010 34275 32990 40 008 37 005 39 014 38 013 32990 31696 43 006 36 006 37 016 37 014 31696 30378 42 003 35 006 35 015 35 013 30378 29026 41 003 34 007 31 016 31 013 29026 27642 40 007 31 010 29 021 26 013 27642 26227 37 006 29 013 26 022 24 013 26227 24785 33 001 29 012 21 019 24 015 24785 23320 27 360 30 009 20 014 24 016 23320 21827 25 002 26 009 22 011 23 015 21827 20299 25 002 22 012 25 007 23 011 20299 18764 28 360 20 012 24 002 23 005 18764 17296 31 359 19 009 23 358 23 004 17296 15962 33 003 19 008 21 358 22 007 15962 14770 36 008 21 007 21 001 21 009 14770 13696 38 012 22 007 21 005 21 010 13696 12723 38 013 23 008 22 007 21 011 12723 11841 37 012 24 009 23 007 22 011 11841 11040 34 006 23 003 23 004 22 010 11040 10317 30 356 22 351 22 357 22 007 10317 9663 26 344 20 339 21 349 22 000 9663 9064 23 325 18 319 19 335 21 352 9064 8523 20*302 16 294 17 313 20 342 8523 8065 19*285 16*275 15 287 18 326 8065 7708 18 281 15*271 14*278 14 305 7708 7461 17 280 14 270 13*276 11 294 7461 7309 15 279 12 269 12 275 10*291 7309 7222 10 279 8 268 8 274 6*288 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