DrJack's BLIPSPOT for: FRI 01/09 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 = 12Z 0Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - - - - 0953z - - 1001z - - 1333z Update Time FCST PERIOD - - - - - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 59.1 - - 57.8 - - 56.1 Temp@2m Sfc.Heating - - - - - - 88 - - -30 - - -17 Sfc.Heating BL Depth - - - - - - 741 - - 76 - - 76 BL Depth Hcrit - - - - - - 768 - - 769 - - 768 Hcrit BL Top - - - - - - 1450 - - 785 - - 785 BL Top Hgt.Variab. - - - - - - 1235 - - 1403 - - 426 Hgt.Variab. W* - - - - - - 164 - - 26 - - 7 W* B/S - - - - - - 2 - - 1 - - 0 B/S BL Wind - - - - - - 20 - - 8 - - 4 BL Wind Direction - - - - - - 184 - - 177 - - 166 Direction Wind Shear - - - - - - 11 - - 0 - - 0 Wind Shear Max.Converg - - - - - - -5 - - -3 - - -3 Max.Converg CLOUDpotent - - - - - - -1581 - - -891 - - -400 CLOUDpotentl sfcLCL - - - - - - 3031 - - 1676 - - 1185 sfcLCL ODpotential - - - - - - -7524 - - -6125 - - -5872 ODpotential blCL - - - - - - 8974 - - 6910 - - 6657 blCL maxRH - - - - - - 95 - - 87 - - 84 maxRH CAPE - - - - - - 30 - - 40 - - 0 CAPE Temp@2m - - - - - - 59.1 - - 57.8 - - 56.1 Temp@2m DewPt@2m - - - - - - 48.7 - - 53.2 - - 53.7 DewPt@2m Temp@Bot - - - - - - 58.3 - - 58.5 - - 57.3 Temp@Bot DewPt@Bot - - - - - - 48.5 - - 52.8 - - 53.7 DewPt@bot Sfc.Heating - - - - - - 88 - - -30 - - -17 Sfc.Heating BL Depth - - - - - - 741 - - 76 - - 76 BL Depth EXPERIMENT - - - - - - 78 - - 47 - - 36 EXPERIMENT EXPERIMENT2 - - - - - - 7 - - 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] 96523 46 261 57 274 43 269 96523 89264 36 257 36 270 37 260 89264 83741 27 257 24 260 29 253 83741 79182 19 256 13 247 21 252 79182 75250 16 238 10 243 15 260 75250 71773 15 214 14 231 16 255 71773 68627 15 217 17 234 22 247 68627 65748 9 224 17 233 29 239 65748 63082 14 283 25 249 28 246 63082 60480 30 259 28 252 33 254 60480 57745 35 246 37 254 38 251 57745 54879 38 243 40 246 43 253 54879 52122 40 252 41 254 52 253 52122 49628 50 256 65 255 54 260 49628 47392 70 258 74 248 71 267 47392 45398 82 251 76 248 92 262 45398 43622 83 248 95 258 108 258 43622 41999 88 256 110 261 117 257 41999 40478 99 263 113 262 112 256 40478 39039 104 265 112 261 110 255 39039 37676 104 264 109 261 111 255 37676 36355 105 263 108 261 110 256 36355 35009 107 262 108 258 107 255 35009 33611 109 260 107 255 100 250 33611 32159 101 258 102 254 95 246 32159 30636 75 253 95 252 92 243 30636 29030 52 254 86 251 94 246 29030 27346 56 246 69 248 98 253 27346 25587 48 246 59 240 78 253 25587 23759 51 248 57 236 57 247 23759 21861 61 244 57 242 54 246 21861 19880 62 236 60 254 53 246 19880 17812 52 230 58 256 50 243 17812 15698 48 226 51 249 49 243 15698 13660 47 226 48 237 48 245 13660 11806 45 232 48 234 46 248 11806 10161 43 240 49 243 44 249 10161 8700 45 246 54 250 44 253 8700 7401 47 249 56 251 43 257 7401 6250 48 244 52 248 40 261 6250 5233 48 230 45 243 37 262 5233 4339 47 216 39 230 34 261 4339 3551 43 211 36 215 31 259 3551 2846 38 207 35 207 25 251 2846 2225 32 200 31 201 20 232 2225 1708 26*190 26 191 23 214 1708 1313 24*186 21 185 17 200 1313 1042 21 184 18 181 12 181 1042 878 18 183 14 179 9*174 878 785 13 182 8*177 4*166 785 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