DrJack's BLIPSPOT for: SAT 02/21 FrontRoyal_VA 709ft pt33650@38.996,-78.097,836ft BLIPSPOT sfc.temp. adjusted by -0.4 degF SPONSORED BY: Skyline Soaring Club RUC - Last Analysis,Validation Time = 12Z 0Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - - - - 0659z - - 1002z - - 1334z Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 46.8 - - 48.6 - - 41.7 Temp@2m Sfc.Heating - - - - - - 113 - - 34 - - -14 Sfc.Heating BL Depth - - - - - - 2186 - - 75 - - 75 BL Depth Hcrit - - - - - - 1643 - - 768 - - 767 Hcrit BL Top - - - - - - 2895 - - 784 - - 784 BL Top Hgt.Variab. - - - - - - 1434 - - 4010 - - 1691 Hgt.Variab. W* - - - - - - 266 - - 60 - - 13 W* B/S - - - - - - 13 - - 5 - - 1 B/S BL Wind - - - - - - 4 - - 2 - - 4 BL Wind Direction - - - - - - 337 - - 071 - - 113 Direction Wind Shear - - - - - - 3 - - 0 - - 0 Wind Shear Max.Converg - - - - - - -2 - - 0 - - -2 Max.Converg CLOUDpotent - - - - - - -565 - - -2376 - - -348 CLOUDpotentl sfcLCL - - - - - - 3460 - - 3160 - - 1132 sfcLCL ODpotential - - - - - - -6884 - - -2973 - - -1764 ODpotential blCL - - - - - - 9779 - - 3757 - - 2548 blCL maxRH - - - - - - 81 - - 80 - - 87 maxRH CAPE - - - - - - 0 - - 0 - - 0 CAPE Temp@2m - - - - - - 46.8 - - 48.6 - - 41.7 Temp@2m DewPt@2m - - - - - - 34.5 - - 37.6 - - 39.7 DewPt@2m Temp@Bot - - - - - - 45.7 - - 47.8 - - 42.9 Temp@Bot DewPt@Bot - - - - - - 33.3 - - 36.4 - - 39.3 DewPt@bot Sfc.Heating - - - - - - 113 - - 34 - - -14 Sfc.Heating BL Depth - - - - - - 2186 - - 75 - - 75 BL Depth EXPERIMENT - - - - - - 25 - - 22 - - 49 EXPERIMENT EXPERIMENT2 - - - - - - 4 - - 5 - - 5 EXPERIMENT2 PROFILES OF WIND SPEED [kt] AND DIRECTION [degTrue] ----------------------------------- VALIDATION TIME --------------------------------------- Height 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z [ft] ------------------------------------------------------------------------------------------- [ft] 96854 17 096 22 069 24 074 96854 89698 17 109 17 074 18 077 89698 84115 16 098 13 108 17 073 84115 79435 14 098 15 097 8 083 79435 75382 8 072 12 123 5 097 75382 71801 4 063 7 087 6 014 71801 68558 3 132 5 162 6 291 68558 65572 7 053 4 180 10 277 65572 62797 11 261 6 262 10 267 62797 60092 19 222 14 266 23 253 60092 57275 17 260 32 255 34 257 57275 54364 23 263 31 256 41 256 54364 51584 39 277 44 263 45 258 51584 49085 64 279 62 263 58 257 49085 46850 83 265 69 260 59 255 46850 44816 87 257 74 258 70 260 44816 42949 92 255 81 258 84 260 42949 41228 102 255 92 258 102 257 41228 39638 116 255 110 256 122 251 39638 38169 132 257 121 254 131 251 38169 36804 141 256 134 255 144 251 36804 35492 139 254 141 254 144 249 35492 34156 134 254 138 252 139 247 34156 32770 131 253 133 252 136 244 32770 31334 127 252 131 252 133 244 31334 29834 123 250 127 252 129 246 29834 28258 121 251 123 252 123 249 28258 26605 120 255 119 253 118 250 26605 24874 114 257 116 255 114 250 24874 23064 102 254 107 255 110 251 23064 21183 94 251 94 254 103 255 21183 19235 89 251 86 254 82 260 19235 17214 83 254 75 258 60 263 17214 15159 68 262 62 268 50 268 15159 13180 44 270 48 273 40 268 13180 11380 31 261 39 266 36 261 11380 9782 31 260 37 259 38 261 9782 8368 32 264 37 262 33 268 8368 7118 32 266 34 265 26 267 7118 6014 30 269 25 259 20 251 6014 5042 23 271 16 246 13 247 5042 4188 14 273 11 241 5 237 4188 3436 7*286 6 238 4 167 3436 2764 5*306 1 197 7 141 2764 2170 4 335 2 083 10 133 2170 1675 4 341 2 078 11 128 1675 1294 4 347 2 076 12 124 1294 1033 4 351 3 072 10 121 1033 875 3 352 2 071 8*118 875 784 3 352 2*071 4*113 784 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 18Z - heights for other times differ slightly Results neglect thermals created by small-scale features not resolved by the smoothed model topography