DrJack's BLIPSPOT for: FRI 04/19 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 - - - 0653z - - 0954z - - 1000z - - 1332z Update Time FCST PERIOD - - - 9 hr - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - 55.3 - - 55.8 - - 60.3 - - 56.8 Temp@2m Sfc.Heating - - - 104 - - 48 - - 157 - - -13 Sfc.Heating BL Depth - - - 715 - - 76 - - 1548 - - 76 BL Depth Hcrit - - - 768 - - 768 - - 1316 - - 769 Hcrit BL Top - - - 1424 - - 785 - - 2257 - - 785 BL Top Hgt.Variab. - - - 1422 - - 2009 - - 543 - - 1300 Hgt.Variab. W* - - - 171 - - 64 - - 256 - - 15 W* B/S - - - 2 - - 1 - - 3 - - 1 B/S BL Wind - - - 13 - - 8 - - 15 - - 5 BL Wind Direction - - - 147 - - 148 - - 151 - - 145 Direction Wind Shear - - - 7 - - 0 - - 7 - - 0 Wind Shear Max.Converg - - - -6 - - -3 - - -6 - - -2 Max.Converg CLOUDpotent - - - 39 - - -861 - - -69 - - -848 CLOUDpotentl sfcLCL - - - 1385 - - 1646 - - 2326 - - 1633 sfcLCL ODpotential - - - -43 - - -924 - - -5196 - - -5307 ODpotential blCL - - - 1467 - - 1709 - - 7453 - - 6092 blCL maxRH - - - 100 - - 100 - - 96 - - 99 maxRH CAPE - - - 50 - - 20 - - 20 - - 120 CAPE Temp@2m - - - 55.3 - - 55.8 - - 60.3 - - 56.8 Temp@2m DewPt@2m - - - 51.9 - - 51.4 - - 52.8 - - 52.4 DewPt@2m Temp@Bot - - - 54.2 - - 55.1 - - 58.9 - - 57.1 Temp@Bot DewPt@Bot - - - 51.7 - - 51.1 - - 52.4 - - 52.2 DewPt@bot Sfc.Heating - - - 104 - - 48 - - 157 - - -13 Sfc.Heating BL Depth - - - 715 - - 76 - - 1548 - - 76 BL Depth EXPERIMENT - - - 100 - - 100 - - 86 - - 95 EXPERIMENT EXPERIMENT2 - - - 8 - - 8 - - 8 - - 9 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] 97688 23 256 21 264 30 263 27 280 97688 90329 17 248 19 265 23 263 25 278 90329 84664 11 267 17 255 16 266 19 273 84664 79949 7 308 11 227 13 254 15 264 79949 75891 5 306 8 217 7 243 12 260 75891 72311 4 319 6 254 4 276 8 229 72311 69052 5 301 8 240 7 248 11 258 69052 66049 4 294 8 239 7 239 13 253 66049 63261 16 282 13 266 17 273 18 266 63261 60565 16 277 23 275 28 243 28 262 60565 57777 26 271 21 247 25 265 32 270 57777 54891 21 254 34 289 53 270 46 266 54891 52129 41 290 53 275 57 261 49 262 52129 49630 53 276 52 266 51 253 49 260 49630 47379 48 265 46 254 43 258 52 265 47379 45334 42 259 41 264 49 272 63 268 45334 43483 46 282 47 277 61 274 65 264 43483 41808 55 284 57 278 63 270 61 266 41808 40271 59 277 56 275 59 266 64 268 40271 38833 56 271 55 263 57 266 66 266 38833 37475 52 271 53 257 56 263 66 269 37475 36158 49 267 47 255 56 257 67 272 36158 34817 46 260 43 257 58 256 65 271 34817 33422 44 251 41 260 56 255 64 266 33422 31976 44 248 44 256 52 253 62 261 31976 30465 45 247 48 248 50 250 60 260 30465 28874 46 249 46 245 48 251 57 262 28874 27208 47 255 44 247 46 257 51 263 27208 25468 45 265 46 255 43 263 44 258 25468 23654 40 268 43 267 37 266 41 258 23654 21766 38 269 36 273 35 269 38 260 21766 19797 37 259 28 272 34 274 31 263 19797 17743 35 244 28 268 32 275 26 269 17743 15645 30 242 34 260 27 274 25 268 15645 13621 24 229 36 255 23 275 22 261 13621 11776 18 228 36 247 19 279 21 260 11776 10133 19 242 37 239 21 280 19 260 10133 8673 21 243 38 236 26 278 19 263 8673 7377 26 239 34 238 27 271 18 266 7377 6230 29 232 30 241 24 260 16 268 6230 5214 26 219 27 236 20 246 14 261 5214 4319 21 206 21 224 16 231 13 246 4319 3531 19 190 18 208 13 215 12 237 3531 2829 21 162 17 177 14*175 13 207 2829 2212 19 154 15 156 16*154 18 173 2212 1701 18*150 15 153 16 151 17 160 1701 1310 16*148 13 151 15 150 14 155 1310 1041 14 147 12 150 14 149 12 151 1041 878 12 146 11*149 13 148 9*149 878 785 9 145 8*148 9 147 5*145 785 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