DrJack's BLIPSPOT for: TUE 05/12 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 - - - - - - 66.2 - - 70.4 - - - Temp@2m Sfc.Heating - - - - - - 308 - - 139 - - - Sfc.Heating BL Depth - - - - - - 4949 - - 5176 - - - BL Depth Hcrit - - - - - - 4124 - - 3889 - - - Hcrit BL Top - - - - - - 5658 - - 5885 - - - BL Top Hgt.Variab. - - - - - - 2239 - - 3695 - - - Hgt.Variab. W* - - - - - - 473 - - 372 - - - W* B/S - - - - - - 16 - - 8 - - - B/S BL Wind - - - - - - 5 - - 8 - - - BL Wind Direction - - - - - - 227 - - 177 - - - Direction Wind Shear - - - - - - 8 - - 8 - - - Wind Shear Max.Converg - - - - - - -7 - - 7 - - - Max.Converg CLOUDpotent - - - - - - -1897 - - -2345 - - - CLOUDpotentl sfcLCL - - - - - - 7556 - - 8230 - - - sfcLCL ODpotential - - - - - - -6230 - - -3739 - - - ODpotential blCL - - - - - - 11888 - - 9624 - - - blCL maxRH - - - - - - 63 - - 78 - - - maxRH CAPE - - - - - - 0 - - 0 - - - CAPE Temp@2m - - - - - - 66.2 - - 70.4 - - - Temp@2m DewPt@2m - - - - - - 35.9 - - 37.0 - - - DewPt@2m Temp@Bot - - - - - - 64.1 - - 69.0 - - - Temp@Bot DewPt@Bot - - - - - - 34.6 - - 35.9 - - - DewPt@bot Sfc.Heating - - - - - - 308 - - 139 - - - Sfc.Heating BL Depth - - - - - - 4949 - - 5176 - - - BL Depth EXPERIMENT - - - - - - 0 - - 12 - - - EXPERIMENT EXPERIMENT2 - - - - - - 4 - - 4 - - - 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] 98011 5 037 7 035 98011 90596 7 213 7 338 90596 84923 6 321 4 255 84923 80198 10 301 4 166 80198 76092 5 267 4 268 76092 72449 8 268 10 279 72449 69148 6 241 11 263 69148 66104 8 324 8 245 66104 63280 15 287 15 295 63280 60564 19 269 13 281 60564 57732 24 287 21 285 57732 54787 46 283 44 290 54787 51990 53 268 55 275 51990 49485 49 271 54 275 49485 47232 53 281 57 278 47232 45182 62 278 65 278 45182 43318 66 271 75 273 43318 41622 66 273 74 269 41622 40064 77 279 69 271 40064 38615 82 281 66 283 38615 37262 83 283 62 294 37262 35964 79 283 63 312 35964 34647 71 291 66 316 34647 33278 69 300 67 313 33278 31856 69 302 67 309 31856 30364 70 302 66 305 30364 28791 65 301 63 306 28791 27136 62 298 58 312 27136 25401 62 294 54 309 25401 23584 61 295 48 298 23584 21687 54 303 42 290 21687 19706 49 305 39 292 19706 17637 43 303 38 299 17637 15526 33 302 37 301 15526 13496 26 292 33 298 13496 11660 21 286 32 286 11660 10043 21 290 26 266 10043 8617 24 285 17 252 8617 7349 20 275 16 247 7349 6220 12*258 12*229 6220 5219 10*248 10*210 5219 4335 7 232 9 190 4335 3553 6 223 9 179 3553 2853 5 219 9 172 2853 2233 5 217 9 167 2233 1717 4 215 9 164 1717 1320 4 213 8 162 1320 1047 3 213 8 160 1047 880 3 211 7 160 880 785 3 212 6 158 785 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