DrJack's BLIPSPOT for: MON 04/13 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 - - - - - - 76.1 - - 82.6 - - - Temp@2m Sfc.Heating - - - - - - 138 - - 76 - - - Sfc.Heating BL Depth - - - - - - 3749 - - 78 - - - BL Depth Hcrit - - - - - - 2847 - - 770 - - - Hcrit BL Top - - - - - - 4458 - - 787 - - - BL Top Hgt.Variab. - - - - - - 2193 - - 9463 - - - Hgt.Variab. W* - - - - - - 335 - - 76 - - - W* B/S - - - - - - 3 - - 1 - - - B/S BL Wind - - - - - - 19 - - 11 - - - BL Wind Direction - - - - - - 233 - - 248 - - - Direction Wind Shear - - - - - - 15 - - 0 - - - Wind Shear Max.Converg - - - - - - 4 - - 1 - - - Max.Converg CLOUDpotent - - - - - - -1854 - - -6910 - - - CLOUDpotentl sfcLCL - - - - - - 6312 - - 7697 - - - sfcLCL ODpotential - - - - - - -4026 - - -7357 - - - ODpotential blCL - - - - - - 8484 - - 8144 - - - blCL maxRH - - - - - - 94 - - 86 - - - maxRH CAPE - - - - - - 0 - - 220 - - - CAPE Temp@2m - - - - - - 76.1 - - 82.6 - - - Temp@2m DewPt@2m - - - - - - 51.3 - - 51.7 - - - DewPt@2m Temp@Bot - - - - - - 75.0 - - 81.9 - - - Temp@Bot DewPt@Bot - - - - - - 50.4 - - 50.9 - - - DewPt@bot Sfc.Heating - - - - - - 138 - - 76 - - - Sfc.Heating BL Depth - - - - - - 3749 - - 78 - - - BL Depth EXPERIMENT - - - - - - 76 - - 42 - - - 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] 96689 37 256 37 249 96689 89414 38 252 43 255 89414 83859 43 261 40 262 83859 79281 42 264 37 271 79281 75367 33 269 35 280 75367 71924 29 277 28 278 71924 68803 27 282 25 276 68803 65917 28 289 26 276 65917 63223 29 285 27 277 63223 60604 35 286 29 276 60604 57862 42 281 34 268 57862 55001 43 267 40 262 55001 52259 44 261 45 261 52259 49787 46 265 48 259 49787 47575 50 264 49 269 47575 45592 61 266 59 269 45592 43811 74 259 58 261 43811 42173 80 249 47 263 42173 40640 74 247 51 276 40640 39198 74 253 59 277 39198 37836 73 254 62 272 37836 36515 73 254 63 268 36515 35167 75 250 64 263 35167 33762 70 243 65 260 33762 32304 71 246 67 263 32304 30778 69 256 64 262 30778 29174 70 260 68 259 29174 27492 67 257 66 262 27492 25734 58 250 55 263 25734 23899 49 244 52 265 23899 21989 44 247 45 275 21989 20001 45 254 40 284 20001 17931 44 259 36 283 17931 15822 41 260 35 279 15822 13789 38 263 33 279 13789 11940 37 267 31 281 11940 10296 38 267 30 278 10296 8834 38 269 28 271 8834 7531 37 269 24 260 7531 6372 33 264 22 250 6372 5344 27*252 22 250 5344 4435 24*244 22 249 4435 3632 23 240 21 249 3632 2912 21 233 21 248 2912 2275 19 228 20 248 2275 1744 18 226 20 248 1744 1336 17 225 19 248 1336 1055 16 223 17 248 1055 884 14 223 15*248 884 787 11 222 11*248 787 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