DrJack's BLIPSPOT for: SUN 04/05 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 - - - - - - 63.7 - - 56.8 - - 47.3 Temp@2m Sfc.Heating - - - - - - 85 - - 90 - - -28 Sfc.Heating BL Depth - - - - - - 2556 - - 3052 - - 75 BL Depth Hcrit - - - - - - 1802 - - 2143 - - 768 Hcrit BL Top - - - - - - 3265 - - 3761 - - 784 BL Top Hgt.Variab. - - - - - - 1945 - - 1383 - - 4206 Hgt.Variab. W* - - - - - - 266 - - 281 - - 29 W* B/S - - - - - - 3 - - 2 - - 1 B/S BL Wind - - - - - - 18 - - 22 - - 9 BL Wind Direction - - - - - - 277 - - 287 - - 295 Direction Wind Shear - - - - - - 9 - - 11 - - 0 Wind Shear Max.Converg - - - - - - 11 - - 9 - - 2 Max.Converg CLOUDpotent - - - - - - 428 - - -117 - - -1882 CLOUDpotentl sfcLCL - - - - - - 2838 - - 3878 - - 2666 sfcLCL ODpotential - - - - - - -488 - - -7730 - - -2383 ODpotential blCL - - - - - - 3753 - - 11491 - - 3167 blCL maxRH - - - - - - 96 - - 81 - - 97 maxRH CAPE - - - - - - 30 - - 0 - - 0 CAPE Temp@2m - - - - - - 63.7 - - 56.8 - - 47.3 Temp@2m DewPt@2m - - - - - - 53.8 - - 42.6 - - 38.6 DewPt@2m Temp@Bot - - - - - - 62.7 - - 56.0 - - 47.8 Temp@Bot DewPt@Bot - - - - - - 52.5 - - 41.4 - - 37.7 DewPt@bot Sfc.Heating - - - - - - 85 - - 90 - - -28 Sfc.Heating BL Depth - - - - - - 2556 - - 3052 - - 75 BL Depth EXPERIMENT - - - - - - 83 - - 26 - - 86 EXPERIMENT EXPERIMENT2 - - - - - - 8 - - 5 - - 5 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] 96739 37 251 31 263 39 277 96739 89428 20 261 20 277 18 262 89428 83857 13 292 16 281 14 277 83857 79276 7 282 10 274 13 298 79276 75347 6 279 11 310 9 290 75347 71862 12 313 16 309 13 314 71862 68701 15 324 22 307 19 306 68701 65778 18 308 16 296 17 291 65778 63030 14 271 14 277 19 271 63030 60341 14 257 21 273 25 263 60341 57542 22 269 21 262 32 263 57542 54654 27 269 28 266 37 263 54654 51898 31 257 36 262 38 257 51898 49396 31 256 36 258 43 253 49396 47131 45 254 45 253 48 244 47131 45069 60 232 54 243 54 246 45069 43187 61 237 66 245 69 246 43187 41475 83 239 84 240 84 241 41475 39912 100 232 86 234 87 236 39912 38461 90 225 86 233 86 235 38461 37101 89 224 92 232 90 236 37101 35787 85 225 97 231 94 233 35787 34453 80 226 97 229 100 226 34453 33066 76 224 96 231 104 226 33066 31624 74 222 93 233 102 229 31624 30112 73 221 88 235 98 232 30112 28523 70 219 81 233 95 232 28523 26860 67 218 73 226 91 228 26860 25122 65 218 74 226 88 228 25122 23311 63 218 74 231 82 231 23311 21427 62 219 67 234 78 235 21427 19465 61 223 59 238 75 239 19465 17416 57 228 54 246 69 238 17416 15325 51 232 50 250 59 236 15325 13311 50 239 45 245 52 232 13311 11478 51 247 42 241 50 235 11478 9852 48 247 41 239 47 245 9852 8413 43 240 41 244 41 259 8413 7144 41 240 38 251 38 272 7144 6028 36 244 32 260 37 279 6028 5052 27 245 26 269 35 285 5052 4199 21 253 23*280 32 288 4199 3447 19*264 23*282 30 290 3447 2774 19*272 23 285 28 291 2774 2178 19 275 23 287 26 293 2178 1680 19 278 22 288 23 294 1680 1298 18 280 21 289 20 295 1298 1035 17 281 20 290 16 295 1035 876 15 281 17 290 13 295 876 784 11 282 12 290 9*295 784 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