DrJack's BLIPSPOT for: THU 05/14 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 - - - - - - 0659z - - 1002z - - 1334z Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 54.7 - - 53.7 - - 51.8 Temp@2m Sfc.Heating - - - - - - 98 - - 28 - - -21 Sfc.Heating BL Depth - - - - - - 3818 - - 76 - - 76 BL Depth Hcrit - - - - - - 2658 - - 768 - - 768 Hcrit BL Top - - - - - - 4527 - - 785 - - 785 BL Top Hgt.Variab. - - - - - - 2814 - - 5935 - - 5074 Hgt.Variab. W* - - - - - - 299 - - 55 - - 22 W* B/S - - - - - - 3 - - 1 - - 1 B/S BL Wind - - - - - - 16 - - 11 - - 7 BL Wind Direction - - - - - - 305 - - 300 - - 301 Direction Wind Shear - - - - - - 8 - - 0 - - 0 Wind Shear Max.Converg - - - - - - 5 - - 3 - - 2 Max.Converg CLOUDpotent - - - - - - 306 - - -2992 - - -2180 CLOUDpotentl sfcLCL - - - - - - 4221 - - 3777 - - 2965 sfcLCL ODpotential - - - - - - -191 - - -3199 - - -2821 ODpotential blCL - - - - - - 4718 - - 3984 - - 3606 blCL maxRH - - - - - - 100 - - 100 - - 100 maxRH CAPE - - - - - - 0 - - 0 - - 0 CAPE Temp@2m - - - - - - 54.7 - - 53.7 - - 51.8 Temp@2m DewPt@2m - - - - - - 39.0 - - 39.9 - - 41.6 DewPt@2m Temp@Bot - - - - - - 53.8 - - 53.2 - - 52.3 Temp@Bot DewPt@Bot - - - - - - 38.1 - - 39.3 - - 41.2 DewPt@bot Sfc.Heating - - - - - - 98 - - 28 - - -21 Sfc.Heating BL Depth - - - - - - 3818 - - 76 - - 76 BL Depth EXPERIMENT - - - - - - 102 - - 101 - - 100 EXPERIMENT EXPERIMENT2 - - - - - - 5 - - 5 - - 6 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] 98216 9 161 1 125 4 269 98216 90793 7 160 4 251 4 281 90793 85070 7 189 10 239 5 336 85070 80300 5 243 8 214 5 309 80300 76178 11 241 7 233 10 291 76178 72536 4 203 7 223 12 244 72536 69240 6 279 3 188 6 229 69240 66201 12 240 12 253 6 275 66201 63378 8 207 17 239 16 291 63378 60652 6 280 16 221 18 275 60652 57810 10 266 13 243 19 259 57810 54841 19 280 18 277 17 257 54841 51984 27 273 25 282 16 270 51984 49406 30 271 29 276 24 288 49406 47101 30 262 33 272 32 284 47101 45012 30 260 33 265 33 277 45012 43096 32 260 30 266 30 274 43096 41326 31 263 29 273 26 284 41326 39680 32 269 30 277 30 295 39680 38147 33 272 32 281 35 297 38147 36719 33 273 32 286 35 295 36719 35352 33 272 36 293 32 300 35352 33976 33 271 40 294 34 307 33976 32564 34 269 40 294 38 311 32564 31120 32 265 37 297 40 315 31120 29626 29 263 33 302 41 317 29626 28071 23 261 29 301 39 315 28071 26451 16 267 27 293 34 314 26451 24761 13 286 24 284 33 310 24761 22996 19 277 25 285 31 307 22996 21156 23 274 28 288 30 307 21156 19234 27 272 29 290 28 310 19234 17224 29 272 25 298 28 314 17224 15169 24 277 23 305 29 313 15169 13189 19 285 23 297 30 313 13189 11392 19 287 20 293 29 317 11392 9806 19 286 18 300 26 317 9806 8405 17 293 20 306 25 317 8405 7163 18 300 23 302 33 310 7163 6063 18 301 25 299 35 307 6063 5089 18*302 24 299 34 306 5089 4231 17*303 24 299 32 305 4231 3472 17 304 23 300 28 304 3472 2792 17 305 23 300 26 304 2792 2191 16 305 22 300 23 304 2191 1689 16 305 21 301 21 303 1689 1303 15 306 20 301 18 303 1303 1038 14 306 18 301 15 302 1038 877 13 306 15*301 12*301 877 785 9 305 11*300 7*301 785 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