DrJack's BLIPSPOT for: FRI 08/07 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 - - - - - - 0953z - - 1001z - - - Update Time FCST PERIOD - - - - - - 9 hr - - 12 hr - - - FCST PERIOD Temp@2m - - - - - - 88.1 - - 85.2 - - - Temp@2m Sfc.Heating - - - - - - 158 - - 37 - - - Sfc.Heating BL Depth - - - - - - 78 - - 78 - - - BL Depth Hcrit - - - - - - 771 - - 771 - - - Hcrit BL Top - - - - - - 787 - - 787 - - - BL Top Hgt.Variab. - - - - - - 7159 - - 5699 - - - Hgt.Variab. W* - - - - - - 98 - - 65 - - - W* B/S - - - - - - 10 - - 3 - - - B/S BL Wind - - - - - - 2 - - 4 - - - BL Wind Direction - - - - - - 195 - - 209 - - - Direction Wind Shear - - - - - - 0 - - 0 - - - Wind Shear Max.Converg - - - - - - 0 - - -1 - - - Max.Converg CLOUDpotent - - - - - - -4563 - - -2961 - - - CLOUDpotentl sfcLCL - - - - - - 5350 - - 3748 - - - sfcLCL ODpotential - - - - - - -5020 - - -4044 - - - ODpotential blCL - - - - - - 5807 - - 4831 - - - blCL maxRH - - - - - - 78 - - 74 - - - maxRH CAPE - - - - - - 1280 - - 2190 - - - CAPE Temp@2m - - - - - - 88.1 - - 85.2 - - - Temp@2m DewPt@2m - - - - - - 67.3 - - 71.2 - - - DewPt@2m Temp@Bot - - - - - - 86.5 - - 84.6 - - - Temp@Bot DewPt@Bot - - - - - - 66.1 - - 70.2 - - - DewPt@bot Sfc.Heating - - - - - - 158 - - 37 - - - Sfc.Heating BL Depth - - - - - - 78 - - 78 - - - BL Depth EXPERIMENT - - - - - - 12 - - 0 - - - EXPERIMENT EXPERIMENT2 - - - - - - 14 - - 16 - - - 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] 99530 35 094 27 087 99530 92012 29 091 28 076 92012 86222 28 088 25 076 86222 81424 22 088 21 080 81424 77289 20 088 18 097 77289 73631 17 092 18 102 73631 70321 11 103 15 091 70321 67292 10 125 10 073 67292 64499 11 123 6 083 64499 61801 10 125 6 127 61801 58992 3 109 8 156 58992 56091 9 278 6 241 56091 53341 17 238 17 262 53341 50882 20 213 22 252 50882 48683 18 220 24 245 48683 46692 17 240 25 237 46692 44872 16 237 24 238 44872 43191 14 230 21 235 43191 41622 14 234 19 230 41622 40143 16 237 21 226 40143 38744 21 230 26 218 38744 37387 22 219 27 221 37387 36004 21 215 27 228 36004 34562 21 218 28 234 34562 33064 21 218 28 234 33064 31495 21 219 29 231 31495 29844 21 220 27 233 29844 28113 21 221 25 234 28113 26304 20 223 23 236 26304 24418 20 229 20 246 24418 22458 21 239 19 256 22458 20418 21 243 19 263 20418 18295 20 245 19 266 18295 16130 20 246 18 267 16130 14046 18 238 15 264 14046 12157 14 228 15 257 12157 10478 13 227 16 257 10478 8981 11 235 16 256 8981 7650 10 244 15 253 7650 6467 7 250 12 247 6467 5420 6 248 10 242 5420 4496 5 243 9 238 4496 3679 4 233 8 235 3679 2947 3 225 8 230 2947 2300 3 215 7 221 2300 1760 2 208 6 214 1760 1345 2 200 6 213 1345 1060 2 197 5 211 1060 886 2 195 5 210 886 787 2*195 4*209 787 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