DrJack's BLIPSPOT for: FRI 08/21 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 - - - - - - 77.4 - - 79.0 - - 74.6 Temp@2m Sfc.Heating - - - - - - 231 - - 58 - - -10 Sfc.Heating BL Depth - - - - - - 3240 - - 77 - - 77 BL Depth Hcrit - - - - - - 2716 - - 770 - - 770 Hcrit BL Top - - - - - - 3949 - - 786 - - 786 BL Top Hgt.Variab. - - - - - - 1384 - - 5192 - - 5054 Hgt.Variab. W* - - - - - - 377 - - 71 - - 17 W* B/S - - - - - - 20 - - 4 - - 1 B/S BL Wind - - - - - - 3 - - 3 - - 3 BL Wind Direction - - - - - - 025 - - 033 - - 106 Direction Wind Shear - - - - - - 1 - - 0 - - 0 Wind Shear Max.Converg - - - - - - 1 - - 1 - - -1 Max.Converg CLOUDpotent - - - - - - -1677 - - -6176 - - -3138 CLOUDpotentl sfcLCL - - - - - - 5626 - - 6963 - - 3924 sfcLCL ODpotential - - - - - - -6618 - - -10454 - - -4506 ODpotential blCL - - - - - - 10567 - - 11240 - - 5292 blCL maxRH - - - - - - 66 - - 59 - - 77 maxRH CAPE - - - - - - 0 - - 0 - - 0 CAPE Temp@2m - - - - - - 77.4 - - 79.0 - - 74.6 Temp@2m DewPt@2m - - - - - - 55.6 - - 51.3 - - 60.2 DewPt@2m Temp@Bot - - - - - - 75.5 - - 78.2 - - 75.8 Temp@Bot DewPt@Bot - - - - - - 54.5 - - 50.3 - - 59.3 DewPt@bot Sfc.Heating - - - - - - 231 - - 58 - - -10 Sfc.Heating BL Depth - - - - - - 3240 - - 77 - - 77 BL Depth EXPERIMENT - - - - - - 0 - - 0 - - 8 EXPERIMENT EXPERIMENT2 - - - - - - 9 - - 8 - - 11 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] 99313 17 074 14 070 18 078 99313 91848 18 087 16 088 15 078 91848 86075 17 093 20 096 13 076 86075 81285 18 091 19 092 14 076 81285 77161 15 072 15 088 14 084 77161 73521 10 074 11 087 14 082 73521 70219 7 117 5 089 6 078 70219 67176 8 147 5 173 5 203 67176 64357 8 165 6 190 5 228 64357 61628 10 216 8 206 13 226 61628 58790 15 210 16 250 13 226 58790 55860 22 235 26 237 23 243 55860 53076 36 227 33 232 27 241 53076 50592 42 235 40 232 46 243 50592 48399 59 230 66 229 58 228 48399 46427 55 220 70 222 57 223 46427 44620 49 213 67 219 60 222 44620 42946 41 229 61 219 64 223 42946 41380 44 236 57 218 67 225 41380 39904 48 237 55 217 68 225 39904 38507 51 235 52 219 64 222 38507 37150 55 232 51 225 62 220 37150 35765 57 230 55 229 62 221 35765 34322 56 228 58 229 61 220 34322 32826 50 229 56 225 55 214 32826 31258 48 233 48 227 48 212 31258 29610 48 235 44 223 42 219 29610 27880 42 236 48 224 39 219 27880 26069 38 233 43 232 36 218 26069 24182 35 234 34 240 32 227 24182 22224 30 240 30 238 30 247 22224 20192 26 241 27 242 24 250 20192 18077 22 238 24 243 16 250 18077 15925 18 244 17 242 7 257 15925 13857 13 255 10 253 6 237 13857 11979 12 257 8 260 9 254 11979 10311 11 256 9 262 9 250 10311 8830 7 250 8 269 5 246 8830 7516 2 275 7 267 5 233 7516 6355 2 298 4 270 5 202 6355 5327 3 025 1 034 5 149 5327 4422 3*032 2 042 6 136 4422 3621 3*030 3 042 6 130 3621 2904 3 028 3 038 6 126 2904 2270 4 027 4 037 6 122 2270 1740 3 024 4 035 6 119 1740 1333 3 022 4 035 6 115 1333 1053 3 020 4 034 5 111 1053 883 3 020 3 034 4 108 883 786 3 018 3*033 3*106 786 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