DrJack's BLIPSPOT for: FRI 10/02 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 - - - - - - 84.8 - - 83.5 - - - Temp@2m Sfc.Heating - - - - - - 113 - - 12 - - - Sfc.Heating BL Depth - - - - - - 3889 - - 78 - - - BL Depth Hcrit - - - - - - 2870 - - 770 - - - Hcrit BL Top - - - - - - 4598 - - 787 - - - BL Top Hgt.Variab. - - - - - - 3176 - - 6839 - - - Hgt.Variab. W* - - - - - - 325 - - 49 - - - W* B/S - - - - - - 3 - - 1 - - - B/S BL Wind - - - - - - 17 - - 7 - - - BL Wind Direction - - - - - - 268 - - 259 - - - Direction Wind Shear - - - - - - 9 - - 0 - - - Wind Shear Max.Converg - - - - - - 4 - - 0 - - - Max.Converg CLOUDpotent - - - - - - -1483 - - -4457 - - - CLOUDpotentl sfcLCL - - - - - - 6081 - - 5244 - - - sfcLCL ODpotential - - - - - - -2955 - - -5646 - - - ODpotential blCL - - - - - - 7553 - - 6433 - - - blCL maxRH - - - - - - 83 - - 78 - - - maxRH CAPE - - - - - - 60 - - 230 - - - CAPE Temp@2m - - - - - - 84.8 - - 83.5 - - - Temp@2m DewPt@2m - - - - - - 60.8 - - 63.1 - - - DewPt@2m Temp@Bot - - - - - - 83.7 - - 83.6 - - - Temp@Bot DewPt@Bot - - - - - - 59.9 - - 62.3 - - - DewPt@bot Sfc.Heating - - - - - - 113 - - 12 - - - Sfc.Heating BL Depth - - - - - - 3889 - - 78 - - - BL Depth EXPERIMENT - - - - - - 32 - - 12 - - - EXPERIMENT EXPERIMENT2 - - - - - - 11 - - 13 - - - 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] 97969 22 210 30 236 97969 90669 10 232 13 217 90669 85010 4 243 5 233 85010 80308 4 199 8 274 80308 76250 3 200 5 239 76250 72674 1 113 7 181 72674 69474 1 284 4 222 69474 66563 4 248 6 269 66563 63866 6 248 9 242 63866 61262 12 254 13 229 61262 58552 15 236 21 242 58552 55748 20 227 31 240 55748 53093 35 251 41 259 53093 50712 52 257 53 260 50712 48576 54 250 60 250 48576 46641 50 247 51 245 46641 44856 51 253 54 254 44856 43183 49 247 63 256 43183 41608 50 239 58 249 41608 40114 47 237 49 239 40114 38695 48 237 50 237 38695 37320 50 239 53 241 37320 35925 49 240 57 244 35925 34472 51 241 59 243 34472 32964 53 242 61 243 32964 31387 56 245 64 244 31387 29729 60 251 65 245 29729 27992 58 256 62 251 27992 26179 48 254 53 249 26179 24291 46 246 50 242 24291 22326 47 239 51 241 22326 20279 46 235 48 243 20279 18155 41 239 41 249 18155 16003 39 247 34 260 16003 13936 40 247 33 265 13936 12056 35 243 34 264 12056 10389 27 242 32 258 10389 8909 21 249 28 249 8909 7593 22 259 26 246 7593 6422 20 261 25 248 6422 5384 19*263 23 250 5384 4468 18*264 19 252 4468 3658 18 266 18 254 3658 2932 18 268 17 255 2932 2290 17 269 16 256 2290 1753 17 270 15 257 1753 1341 16 271 14 258 1341 1057 15 272 13 258 1057 886 13 272 11*259 886 787 10 272 7*259 787 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