DrJack's BLIPSPOT for: MON 05/18 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 - - - - - - 91.4 - - 92.1 - - - Temp@2m Sfc.Heating - - - - - - 225 - - 94 - - - Sfc.Heating BL Depth - - - - - - 6399 - - 78 - - - BL Depth Hcrit - - - - - - 5114 - - 771 - - - Hcrit BL Top - - - - - - 7108 - - 787 - - - BL Top Hgt.Variab. - - - - - - 2584 - - 9202 - - - Hgt.Variab. W* - - - - - - 470 - - 83 - - - W* B/S - - - - - - 36 - - 2 - - - B/S BL Wind - - - - - - 2 - - 6 - - - BL Wind Direction - - - - - - 166 - - 183 - - - Direction Wind Shear - - - - - - 4 - - 0 - - - Wind Shear Max.Converg - - - - - - -5 - - -2 - - - Max.Converg CLOUDpotent - - - - - - -814 - - -7605 - - - CLOUDpotentl sfcLCL - - - - - - 7923 - - 8393 - - - sfcLCL ODpotential - - - - - - -2241 - - -8542 - - - ODpotential blCL - - - - - - 9349 - - 9329 - - - blCL maxRH - - - - - - 70 - - 64 - - - maxRH CAPE - - - - - - 990 - - 960 - - - CAPE Temp@2m - - - - - - 91.4 - - 92.1 - - - Temp@2m DewPt@2m - - - - - - 59.4 - - 58.2 - - - DewPt@2m Temp@Bot - - - - - - 89.4 - - 91.0 - - - Temp@Bot DewPt@Bot - - - - - - 58.2 - - 57.1 - - - DewPt@bot Sfc.Heating - - - - - - 225 - - 94 - - - Sfc.Heating BL Depth - - - - - - 6399 - - 78 - - - BL Depth EXPERIMENT - - - - - - 0 - - 0 - - - EXPERIMENT EXPERIMENT2 - - - - - - 10 - - 10 - - - 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] 97951 8 133 9 174 97951 90592 4 220 4 032 90592 84963 1 180 3 342 84963 80290 7 077 4 217 80290 76242 8 074 9 186 76242 72646 3 161 2 197 72646 69394 6 166 4 252 69394 66430 7 014 3 056 66430 63699 12 327 11 010 63699 61054 13 306 14 335 61054 58302 12 322 17 323 58302 55457 21 321 18 305 55457 52762 19 295 17 290 52762 50356 12 293 17 289 50356 48198 15 311 14 295 48198 46229 10 285 15 288 46229 44417 13 257 17 277 44417 42744 18 237 19 252 42744 41191 18 208 22 234 41191 39733 15 186 24 225 39733 38354 13 197 27 206 38354 37012 11 250 21 191 37012 35645 17 229 16 189 35645 34221 30 214 17 221 34221 32745 37 220 21 244 32745 31205 38 231 27 254 31205 29587 31 231 32 247 29587 27891 25 221 27 244 27891 26114 23 211 20 236 26114 24257 19 220 15 231 24257 22324 14 224 13 219 22324 20312 16 224 12 236 20312 18223 19 231 18 240 18223 16095 22 233 24 228 16095 14040 24 236 28 223 14040 12163 24 239 28 229 12163 10488 19 226 23 233 10488 8997 14 203 15 224 8997 7669 7*193 11 201 7669 6486 5*189 10 192 6486 5437 3 178 10 189 5437 4510 3 173 10 187 4510 3691 2 164 10 186 3691 2956 2 155 9 184 2956 2306 2 150 9 184 2306 1764 2 145 9 184 1764 1348 2 136 9 183 1348 1061 2 136 8 183 1061 887 2 136 8 183 887 787 1 134 6*183 787 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