DrJack's BLIPSPOT for: FRI 09/11 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 - - - - - - 0955z - - 1000z - - - Update Time FCST PERIOD - - - - - - 9 hr - - 12 hr - - - FCST PERIOD Temp@2m - - - - - - 73.7 - - 77.3 - - - Temp@2m Sfc.Heating - - - - - - 65 - - 79 - - - Sfc.Heating BL Depth - - - - - - 77 - - 77 - - - BL Depth Hcrit - - - - - - 770 - - 770 - - - Hcrit BL Top - - - - - - 786 - - 786 - - - BL Top Hgt.Variab. - - - - - - 3334 - - 3874 - - - Hgt.Variab. W* - - - - - - 73 - - 77 - - - W* B/S - - - - - - 9 - - 6 - - - B/S BL Wind - - - - - - 1 - - 2 - - - BL Wind Direction - - - - - - 130 - - 090 - - - Direction Wind Shear - - - - - - 0 - - 0 - - - Wind Shear Max.Converg - - - - - - 0 - - 0 - - - Max.Converg CLOUDpotent - - - - - - -1326 - - -2281 - - - CLOUDpotentl sfcLCL - - - - - - 2112 - - 3068 - - - sfcLCL ODpotential - - - - - - -1449 - - -2823 - - - ODpotential blCL - - - - - - 2235 - - 3609 - - - blCL maxRH - - - - - - 100 - - 89 - - - maxRH CAPE - - - - - - 170 - - 230 - - - CAPE Temp@2m - - - - - - 73.7 - - 77.3 - - - Temp@2m DewPt@2m - - - - - - 66.8 - - 66.3 - - - DewPt@2m Temp@Bot - - - - - - 72.6 - - 76.3 - - - Temp@Bot DewPt@Bot - - - - - - 66.0 - - 65.6 - - - DewPt@bot Sfc.Heating - - - - - - 65 - - 79 - - - Sfc.Heating BL Depth - - - - - - 77 - - 77 - - - BL Depth EXPERIMENT - - - - - - 98 - - 57 - - - EXPERIMENT EXPERIMENT2 - - - - - - 14 - - 14 - - - 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] 98818 7 127 2 243 98818 91399 6 087 5 129 91399 85649 8 131 5 091 85649 80876 7 155 5 158 80876 76766 5 168 7 225 76766 73145 5 187 8 233 73145 69868 7 223 7 237 69868 66851 14 244 11 267 66851 64058 16 236 16 254 64058 61364 13 251 18 247 61364 58574 15 262 17 245 58574 55708 21 269 18 261 55708 53003 27 256 27 261 53003 50586 33 259 33 257 50586 48428 43 253 46 267 48428 46477 49 236 50 259 46477 44684 35 277 44 259 44684 43015 60 291 46 269 43015 41452 69 288 49 272 41452 39978 63 284 53 277 39978 38581 54 271 57 281 38581 37223 52 263 56 282 37223 35834 52 256 59 278 35834 34387 52 253 53 273 34387 32887 52 252 50 268 32887 31319 51 253 50 269 31319 29670 48 262 43 277 29670 27943 41 272 34 276 27943 26137 33 274 27 273 26137 24254 28 268 21 272 24254 22295 30 258 17 280 22295 20256 28 257 20 273 20256 18136 26 262 24 265 18136 15980 21 266 23 261 15980 13904 22 259 19 265 13904 12019 27 255 17 269 12019 10348 27 257 19 267 10348 8864 19 265 20 266 8864 7546 13 270 18 268 7546 6375 10 268 14 276 6375 5339 6 286 10 286 5339 4428 4 316 5 300 4428 3624 2 316 2 329 3624 2906 1 016 2 081 2906 2271 1 113 2 086 2271 1741 1 120 3 089 1741 1334 2 124 3 089 1334 1054 2 126 3 089 1054 884 2 127 3 091 884 786 1*130 2*090 786 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