DrJack's BLIPSPOT for: FRI 04/10 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 - - - - - - 77.8 - - 80.0 - - - Temp@2m Sfc.Heating - - - - - - 260 - - 86 - - - Sfc.Heating BL Depth - - - - - - 5805 - - 8742 - - - BL Depth Hcrit - - - - - - 4709 - - 6166 - - - Hcrit BL Top - - - - - - 6514 - - 9451 - - - BL Top Hgt.Variab. - - - - - - 3198 - - 2357 - - - Hgt.Variab. W* - - - - - - 471 - - 382 - - - W* B/S - - - - - - 9 - - 5 - - - B/S BL Wind - - - - - - 9 - - 13 - - - BL Wind Direction - - - - - - 214 - - 249 - - - Direction Wind Shear - - - - - - 12 - - 10 - - - Wind Shear Max.Converg - - - - - - 14 - - 34 - - - Max.Converg CLOUDpotent - - - - - - -3204 - - -837 - - - CLOUDpotentl sfcLCL - - - - - - 9718 - - 10288 - - - sfcLCL ODpotential - - - - - - -6032 - - -2541 - - - ODpotential blCL - - - - - - 12546 - - 11992 - - - blCL maxRH - - - - - - 53 - - 73 - - - maxRH CAPE - - - - - - 0 - - 0 - - - CAPE Temp@2m - - - - - - 77.8 - - 80.0 - - - Temp@2m DewPt@2m - - - - - - 37.8 - - 37.5 - - - DewPt@2m Temp@Bot - - - - - - 75.7 - - 79.1 - - - Temp@Bot DewPt@Bot - - - - - - 36.7 - - 36.4 - - - DewPt@bot Sfc.Heating - - - - - - 260 - - 86 - - - Sfc.Heating BL Depth - - - - - - 5805 - - 8742 - - - BL Depth EXPERIMENT - - - - - - 0 - - 0 - - - EXPERIMENT EXPERIMENT2 - - - - - - 4 - - 4 - - - 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] 97341 53 252 63 259 97341 89857 47 262 49 256 89857 84110 41 260 40 258 84110 79414 33 245 38 254 79414 75416 26 241 34 248 75416 71889 23 248 27 243 71889 68689 25 253 23 238 68689 65738 25 259 22 252 65738 62997 30 264 27 259 62997 60337 30 259 30 264 60337 57552 36 257 38 267 57552 54657 38 257 43 263 54657 51887 37 258 40 257 51887 49383 36 261 38 256 49383 47131 40 269 41 266 47131 45099 48 271 45 273 45099 43275 47 267 46 264 43275 41631 47 271 47 274 41631 40121 36 275 51 275 40121 38714 33 291 48 276 38714 37386 45 298 48 277 37386 36097 54 300 48 276 36097 34780 52 288 42 277 34780 33408 46 280 41 279 33408 31983 36 278 42 276 31983 30487 30 274 38 260 30487 28911 28 273 37 253 28911 27256 30 268 37 257 27256 25521 31 260 39 256 25521 23709 29 252 39 253 23709 21822 26 238 34 254 21822 19851 25 235 32 262 19851 17790 28 251 32 267 17790 15690 31 260 34 269 15690 13671 32 257 35 265 13671 11840 31 249 29 255 11840 10214 27 246 17*244 10214 8768 21 244 16*245 8768 7477 17*240 15 247 7477 6327 14*235 14 248 6327 5306 12 230 13 249 5306 4405 11 223 12 250 4405 3608 10 213 12 250 3608 2894 8 203 11 250 2894 2262 8 196 10 250 2262 1735 7 191 10 250 1735 1331 7 187 9 250 1331 1052 7 186 9 250 1052 883 6 185 8 250 883 786 5 184 7 250 786 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