DrJack's BLIPSPOT for: THU 10/15 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 - - - - - - 61.3 - - 63.7 - - - Temp@2m Sfc.Heating - - - - - - 18 - - 18 - - - Sfc.Heating BL Depth - - - - - - 76 - - 76 - - - BL Depth Hcrit - - - - - - 768 - - 769 - - - Hcrit BL Top - - - - - - 785 - - 785 - - - BL Top Hgt.Variab. - - - - - - 2322 - - 2572 - - - Hgt.Variab. W* - - - - - - 48 - - 49 - - - W* B/S - - - - - - 3 - - 2 - - - B/S BL Wind - - - - - - 3 - - 5 - - - BL Wind Direction - - - - - - 093 - - 120 - - - Direction Wind Shear - - - - - - 0 - - 0 - - - Wind Shear Max.Converg - - - - - - -1 - - -1 - - - Max.Converg CLOUDpotent - - - - - - -1763 - - -1979 - - - CLOUDpotentl sfcLCL - - - - - - 2548 - - 2764 - - - sfcLCL ODpotential - - - - - - -9151 - - -9749 - - - ODpotential blCL - - - - - - 9936 - - 10534 - - - blCL maxRH - - - - - - 100 - - 100 - - - maxRH CAPE - - - - - - 30 - - 0 - - - CAPE Temp@2m - - - - - - 61.3 - - 63.7 - - - Temp@2m DewPt@2m - - - - - - 53.0 - - 54.4 - - - DewPt@2m Temp@Bot - - - - - - 60.8 - - 63.2 - - - Temp@Bot DewPt@Bot - - - - - - 52.4 - - 53.7 - - - DewPt@bot Sfc.Heating - - - - - - 18 - - 18 - - - Sfc.Heating BL Depth - - - - - - 76 - - 76 - - - BL Depth EXPERIMENT - - - - - - 101 - - 99 - - - EXPERIMENT EXPERIMENT2 - - - - - - 9 - - 9 - - - 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] 97471 36 255 44 253 97471 90262 28 241 36 271 90262 84683 20 225 23 257 84683 80052 12 241 12 250 80052 76072 7 246 9 265 76072 72560 6 300 6 262 72560 69390 6 323 4 200 69390 66491 10 328 2 186 66491 63805 15 290 10 312 63805 61221 21 252 26 281 61221 58555 21 257 31 256 58555 55795 28 269 32 259 55795 53161 44 278 44 273 53161 50797 56 281 59 271 50797 48680 61 274 61 273 48680 46746 63 271 64 277 46746 44953 64 270 68 277 44953 43273 60 267 67 277 43273 41692 57 267 64 273 41692 40200 48 271 59 267 40200 38788 49 279 56 266 38788 37417 57 280 53 268 37417 36018 59 278 50 270 36018 34563 57 276 44 270 34563 33053 54 275 44 273 33053 31472 52 271 45 276 31472 29806 51 267 45 279 29806 28061 46 267 46 276 28061 26236 40 268 46 267 26236 24333 36 265 43 265 24333 22352 38 267 40 269 22352 20289 42 265 42 275 20289 18141 42 262 44 279 18141 15956 38 266 43 279 15956 13857 35 269 40 276 13857 11955 27 268 30 269 11955 10269 18 264 23 261 10269 8774 15 261 18 259 8774 7448 16 256 16 258 7448 6274 17 242 17 248 6274 5238 12 224 15 231 5238 4332 8 200 13 201 4332 3541 7 133 10 160 3541 2841 7 106 10 139 2841 2225 7 099 9 131 2225 1711 6 098 8 128 1711 1316 5 096 8 125 1316 1045 5 094 7 123 1045 880 4*094 6 121 880 785 3*093 5*120 785 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