DrJack's BLIPSPOT for: FRI 03/06 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 - - - - - - 56.3 - - 54.0 - - - Temp@2m Sfc.Heating - - - - - - 114 - - 43 - - - Sfc.Heating BL Depth - - - - - - 737 - - 76 - - - BL Depth Hcrit - - - - - - 768 - - 768 - - - Hcrit BL Top - - - - - - 1446 - - 785 - - - BL Top Hgt.Variab. - - - - - - 575 - - 1132 - - - Hgt.Variab. W* - - - - - - 182 - - 62 - - - W* B/S - - - - - - 4 - - 2 - - - B/S BL Wind - - - - - - 9 - - 6 - - - BL Wind Direction - - - - - - 122 - - 117 - - - Direction Wind Shear - - - - - - 3 - - 0 - - - Wind Shear Max.Converg - - - - - - -3 - - -2 - - - Max.Converg CLOUDpotent - - - - - - 204 - - -369 - - - CLOUDpotentl sfcLCL - - - - - - 1242 - - 1154 - - - sfcLCL ODpotential - - - - - - -38 - - -412 - - - ODpotential blCL - - - - - - 1484 - - 1197 - - - blCL maxRH - - - - - - 99 - - 99 - - - maxRH CAPE - - - - - - 10 - - 100 - - - CAPE Temp@2m - - - - - - 56.3 - - 54.0 - - - Temp@2m DewPt@2m - - - - - - 53.8 - - 51.9 - - - DewPt@2m Temp@Bot - - - - - - 55.1 - - 53.3 - - - Temp@Bot DewPt@Bot - - - - - - 52.9 - - 51.4 - - - DewPt@bot Sfc.Heating - - - - - - 114 - - 43 - - - Sfc.Heating BL Depth - - - - - - 737 - - 76 - - - BL Depth EXPERIMENT - - - - - - 98 - - 96 - - - EXPERIMENT EXPERIMENT2 - - - - - - 8 - - 8 - - - 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] 95994 33 236 36 256 95994 88910 26 256 30 243 88910 83463 19 247 27 238 83463 78955 18 301 16 245 78955 75098 33 292 18 301 75098 71718 34 271 24 277 71718 68642 29 289 27 279 68642 65803 37 296 40 291 65803 63173 46 291 52 286 63173 60622 52 285 54 282 60622 57937 54 287 55 288 57937 55114 60 287 58 287 55114 52384 64 283 59 280 52384 49906 63 279 60 273 49906 47676 62 273 59 274 47676 45644 62 274 57 278 45644 43779 61 277 55 281 43779 42070 51 274 55 280 42070 40497 47 270 49 268 40497 39043 41 270 34 255 39043 37695 39 278 25 259 37695 36395 40 276 25 257 36395 35067 39 272 29 246 35067 33680 38 269 30 247 33680 32238 38 267 28 257 32238 30725 39 268 26 267 30725 29133 39 271 26 272 29133 27459 35 272 26 272 27459 25704 31 265 25 266 25704 23868 28 262 24 259 23868 21950 25 257 24 256 21950 19948 24 248 26 261 19948 17862 25 250 28 264 17862 15735 28 252 30 262 15735 13689 30 250 32 256 13689 11828 29 247 31 254 11828 10175 27 251 30 253 10175 8707 27 262 30 254 8707 7403 25 272 28 254 7403 6246 23 276 25 251 6246 5223 19 267 22 243 5223 4322 16 251 19 234 4322 3527 14 236 15 231 3527 2821 10 215 11 221 2821 2202 9 167 9 179 2202 1693 11*130 10 133 1693 1305 10*125 9 124 1305 1039 10 123 8 120 1039 877 9 121 7*119 877 785 7 119 6*117 785 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