DrJack's BLIPSPOT for: SAT 08/29 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 - - - - - - 78.2 - - 79.4 - - - Temp@2m Sfc.Heating - - - - - - 215 - - 88 - - - Sfc.Heating BL Depth - - - - - - 3055 - - 77 - - - BL Depth Hcrit - - - - - - 2550 - - 770 - - - Hcrit BL Top - - - - - - 3764 - - 786 - - - BL Top Hgt.Variab. - - - - - - 1558 - - 6276 - - - Hgt.Variab. W* - - - - - - 361 - - 80 - - - W* B/S - - - - - - 52 - - 12 - - - B/S BL Wind - - - - - - 1 - - 1 - - - BL Wind Direction - - - - - - 125 - - 011 - - - Direction Wind Shear - - - - - - 2 - - 0 - - - Wind Shear Max.Converg - - - - - - 1 - - 1 - - - Max.Converg CLOUDpotent - - - - - - -1998 - - -5113 - - - CLOUDpotentl sfcLCL - - - - - - 5763 - - 5900 - - - sfcLCL ODpotential - - - - - - -3753 - - -6103 - - - ODpotential blCL - - - - - - 7517 - - 6889 - - - blCL maxRH - - - - - - 82 - - 79 - - - maxRH CAPE - - - - - - 0 - - 0 - - - CAPE Temp@2m - - - - - - 78.2 - - 79.4 - - - Temp@2m DewPt@2m - - - - - - 55.9 - - 56.5 - - - DewPt@2m Temp@Bot - - - - - - 76.3 - - 78.2 - - - Temp@Bot DewPt@Bot - - - - - - 54.9 - - 55.4 - - - DewPt@bot Sfc.Heating - - - - - - 215 - - 88 - - - Sfc.Heating BL Depth - - - - - - 3055 - - 77 - - - BL Depth EXPERIMENT - - - - - - 29 - - 15 - - - EXPERIMENT EXPERIMENT2 - - - - - - 9 - - 10 - - - 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] 99153 14 099 8 087 99153 91694 17 087 14 080 91694 85948 16 081 15 089 85948 81187 17 089 9 097 81187 77080 16 088 9 115 77080 73431 11 088 8 118 73431 70121 5 092 2 094 70121 67087 3 214 5 168 67087 64268 8 202 2 288 64268 61551 9 199 12 269 61551 58742 8 240 12 240 58742 55823 18 274 15 261 55823 53041 28 263 26 271 53041 50558 29 248 30 262 50558 48345 32 249 33 252 48345 46339 38 249 36 241 46339 44502 44 247 41 238 44502 42808 50 238 47 240 42808 41240 52 232 47 236 41240 39776 42 234 32 231 39776 38397 30 244 18 320 38397 37060 27 264 38 334 37060 35695 27 275 37 327 35695 34272 24 277 29 289 34272 32795 18 276 36 262 32795 31250 15 283 33 255 31250 29622 18 288 31 257 29622 27910 19 287 30 267 27910 26116 17 271 28 281 26116 24239 18 262 26 280 24239 22285 21 258 24 272 22285 20246 22 263 25 272 20246 18121 21 269 23 277 18121 15958 20 274 18 280 15958 13881 18 280 15 286 13881 11998 11 272 10 274 11998 10327 10 253 10 248 10327 8847 11 249 12 249 8847 7534 10 249 13 245 7534 6369 9 238 10 227 6369 5337 8 217 6 188 5337 4428 4*180 4 166 4428 3626 2*145 2 150 3626 2907 2 135 1 118 2907 2271 1 126 1 085 2271 1741 1 109 1 046 1741 1334 1 090 1 022 1334 1054 1 073 1 018 1054 884 1 055 1 014 884 786 0 051 1*011 786 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