DrJack's BLIPSPOT for: TUE 07/21 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 = 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 - - - - - - 88.8 - - 83.7 - - - Temp@2m Sfc.Heating - - - - - - 161 - - -34 - - - Sfc.Heating BL Depth - - - - - - 2775 - - 78 - - - BL Depth Hcrit - - - - - - 2255 - - 771 - - - Hcrit BL Top - - - - - - 3484 - - 787 - - - BL Top Hgt.Variab. - - - - - - 5003 - - 3354 - - - Hgt.Variab. W* - - - - - - 326 - - 55 - - - W* B/S - - - - - - 5 - - 1 - - - B/S BL Wind - - - - - - 12 - - 12 - - - BL Wind Direction - - - - - - 223 - - 256 - - - Direction Wind Shear - - - - - - 6 - - 0 - - - Wind Shear Max.Converg - - - - - - -16 - - 1 - - - Max.Converg CLOUDpotent - - - - - - -1347 - - -2731 - - - CLOUDpotentl sfcLCL - - - - - - 4832 - - 3518 - - - sfcLCL ODpotential - - - - - - -2416 - - -4792 - - - ODpotential blCL - - - - - - 5900 - - 5579 - - - blCL maxRH - - - - - - 83 - - 92 - - - maxRH CAPE - - - - - - 2170 - - 1990 - - - CAPE Temp@2m - - - - - - 88.8 - - 83.7 - - - Temp@2m DewPt@2m - - - - - - 69.9 - - 70.4 - - - DewPt@2m Temp@Bot - - - - - - 87.5 - - 84.0 - - - Temp@Bot DewPt@Bot - - - - - - 68.8 - - 69.3 - - - DewPt@bot Sfc.Heating - - - - - - 161 - - -34 - - - Sfc.Heating BL Depth - - - - - - 2775 - - 78 - - - BL Depth EXPERIMENT - - - - - - 34 - - 69 - - - EXPERIMENT EXPERIMENT2 - - - - - - 15 - - 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] 99426 48 092 34 083 99426 91952 36 088 30 080 91952 86191 26 090 23 083 86191 81390 19 095 19 090 81390 77245 21 097 21 097 77245 73577 18 090 19 096 73577 70249 14 110 14 092 70249 67184 5 104 10 075 67184 64358 6 169 3 018 64358 61641 5 110 4 279 61641 58819 2 242 4 266 58819 55915 14 263 23 264 55915 53168 26 270 26 258 53168 50699 52 263 33 287 50699 48488 58 267 61 275 48488 46491 70 260 70 253 46491 44648 69 260 63 260 44648 42939 74 270 84 280 42939 41368 84 275 95 278 41368 39903 85 273 88 274 39903 38516 82 270 79 274 38516 37165 79 271 74 271 37165 35784 77 275 75 269 35784 34343 74 274 70 265 34343 32847 71 270 63 260 32847 31282 67 265 57 258 31282 29637 65 260 54 257 29637 27912 62 253 57 257 27912 26107 56 237 51 252 26107 24227 52 235 45 249 24227 22275 41 240 41 246 22275 20245 40 241 34 242 20245 18132 39 244 34 240 18132 15986 36 248 33 242 15986 13932 30 251 28 242 13932 12073 25 253 25 242 12073 10417 21 251 23 242 10417 8940 20 248 22 237 8940 7622 19 246 23 233 7622 6447 18 244 25 232 6447 5403 17 237 25 235 5403 4482 16 231 26 238 4482 3667 15*227 26 242 3667 2938 14*225 26 245 2938 2294 13 223 26 247 2294 1756 13 223 25 249 1756 1343 12 222 24 252 1343 1059 11 222 21 253 1059 886 10 221 18 254 886 787 8 221 12*256 787 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