DrJack's BLIPSPOT for: FRI 06/19 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 = 09Z 21Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - - - - 0659z - - 1002z - - - Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - - FCST PERIOD Temp@2m - - - - - - 79.3 - - 78.0 - - - Temp@2m Sfc.Heating - - - - - - 255 - - 147 - - - Sfc.Heating BL Depth - - - - - - 6247 - - 5612 - - - BL Depth Hcrit - - - - - - 5063 - - 4269 - - - Hcrit BL Top - - - - - - 6956 - - 6321 - - - BL Top Hgt.Variab. - - - - - - 1862 - - 3072 - - - Hgt.Variab. W* - - - - - - 486 - - 393 - - - W* B/S - - - - - - 5 - - 3 - - - B/S BL Wind - - - - - - 18 - - 21 - - - BL Wind Direction - - - - - - 290 - - 301 - - - Direction Wind Shear - - - - - - 7 - - 10 - - - Wind Shear Max.Converg - - - - - - 16 - - 7 - - - Max.Converg CLOUDpotent - - - - - - 127 - - -626 - - - CLOUDpotentl sfcLCL - - - - - - 6830 - - 6947 - - - sfcLCL ODpotential - - - - - - -933 - - -1455 - - - ODpotential blCL - - - - - - 7889 - - 7776 - - - blCL maxRH - - - - - - 78 - - 90 - - - maxRH CAPE - - - - - - 20 - - 40 - - - CAPE Temp@2m - - - - - - 79.3 - - 78.0 - - - Temp@2m DewPt@2m - - - - - - 51.8 - - 50.1 - - - DewPt@2m Temp@Bot - - - - - - 77.6 - - 76.7 - - - Temp@Bot DewPt@Bot - - - - - - 50.7 - - 49.1 - - - DewPt@bot Sfc.Heating - - - - - - 255 - - 147 - - - Sfc.Heating BL Depth - - - - - - 6247 - - 5612 - - - BL Depth EXPERIMENT - - - - - - 11 - - 61 - - - EXPERIMENT EXPERIMENT2 - - - - - - 8 - - 7 - - - 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] 98870 21 082 20 072 98870 91369 21 073 20 074 91369 85600 17 077 18 083 85600 80828 18 082 16 076 80828 76725 19 092 14 067 76725 73095 15 095 11 089 73095 69804 10 116 7 128 69804 66781 10 146 7 170 66781 63988 9 155 9 204 63988 61301 9 187 15 246 61301 58521 10 227 24 239 58521 55617 32 235 26 246 55617 52841 40 248 47 247 52841 50370 57 248 60 237 50370 48153 64 245 66 246 48153 46126 74 243 79 244 46126 44261 84 243 85 240 44261 42537 88 239 86 239 42537 40944 79 231 82 241 40944 39464 74 232 81 244 39464 38075 75 231 84 244 38075 36732 71 228 88 241 36732 35362 69 236 86 240 35362 33933 70 245 83 248 33933 32451 70 245 82 251 32451 30899 68 241 79 250 30899 29263 66 243 79 254 29263 27544 66 250 80 259 27544 25746 69 255 82 263 25746 23872 71 255 83 264 23872 21927 75 258 79 268 21927 19904 73 258 70 269 19904 17804 61 258 62 270 17804 15676 46 251 50 277 15676 13643 43 246 36 280 13643 11801 38 254 29 275 11801 10169 32 269 26 281 10169 8726 24 277 22 289 8726 7445 18*279 22*292 7445 6302 18*281 22*295 6302 5288 18 284 22 298 5288 4392 18 288 22 299 4392 3599 18 291 22 301 3599 2888 18 292 22 302 2888 2259 18 294 21 303 2259 1733 18 295 21 303 1733 1330 17 296 20 304 1330 1052 16 296 19 304 1052 883 15 296 17 304 883 786 12 297 12 305 786 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