DrJack's BLIPSPOT for: WED 04/08 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 - - - 0653z - - 0702z - - 1001z - - 1334z Update Time FCST PERIOD - - - 9 hr - - 12 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - 40.5 - - 50.1 - - 54.0 - - 46.7 Temp@2m Sfc.Heating - - - 306 - - 425 - - 209 - - -26 Sfc.Heating BL Depth - - - 2272 - - 3127 - - 3512 - - 75 BL Depth Hcrit - - - 2070 - - 2813 - - 2841 - - 768 Hcrit BL Top - - - 2981 - - 3836 - - 4221 - - 784 BL Top Hgt.Variab. - - - 837 - - 784 - - 1148 - - 3091 Hgt.Variab. W* - - - 358 - - 444 - - 365 - - 13 W* B/S - - - 9 - - 13 - - 8 - - 1 B/S BL Wind - - - 7 - - 6 - - 8 - - 5 BL Wind Direction - - - 098 - - 124 - - 126 - - 125 Direction Wind Shear - - - 3 - - 2 - - 2 - - 0 Wind Shear Max.Converg - - - -2 - - -2 - - -3 - - -2 Max.Converg CLOUDpotent - - - -2839 - - -4571 - - -5906 - - -7572 CLOUDpotentl sfcLCL - - - 5820 - - 8407 - - 10128 - - 8356 sfcLCL ODpotential - - - -13718 - - -13951 - - -14994 - - -17547 ODpotential blCL - - - 16699 - - 17787 - - 19215 - - 18331 blCL maxRH - - - 52 - - 47 - - 59 - - 26 maxRH CAPE - - - 0 - - 0 - - 0 - - 0 CAPE Temp@2m - - - 40.5 - - 50.1 - - 54.0 - - 46.7 Temp@2m DewPt@2m - - - 18.3 - - 16.3 - - 12.7 - - 13.6 DewPt@2m Temp@Bot - - - 38.3 - - 47.4 - - 52.3 - - 48.2 Temp@Bot DewPt@Bot - - - 17.2 - - 15.3 - - 11.7 - - 12.8 DewPt@bot Sfc.Heating - - - 306 - - 425 - - 209 - - -26 Sfc.Heating BL Depth - - - 2272 - - 3127 - - 3512 - - 75 BL Depth EXPERIMENT - - - 0 - - 0 - - 0 - - 0 EXPERIMENT EXPERIMENT2 - - - 2 - - 2 - - 1 - - 2 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] 97273 45 249 47 243 60 248 61 251 97273 89856 43 242 36 240 51 246 45 245 89856 84166 38 238 42 238 43 252 37 255 84166 79453 29 234 40 247 34 255 32 260 79453 75409 31 233 38 257 29 250 27 258 75409 71850 31 239 41 248 33 250 33 258 71850 68632 29 257 35 242 35 244 39 252 68632 65659 32 261 34 247 33 246 39 250 65659 62882 39 257 39 256 37 254 40 250 62882 60181 47 259 46 258 41 257 41 252 60181 57361 56 261 49 254 45 255 44 256 57361 54437 59 259 48 252 50 251 46 255 54437 51653 55 255 45 253 52 252 44 254 51653 49158 53 255 46 255 53 249 43 257 49158 46924 55 253 49 256 49 245 48 256 46924 44899 56 251 51 253 44 246 47 251 44899 43058 54 251 50 251 41 250 45 250 43058 41381 53 256 49 253 46 248 46 249 41381 39849 56 262 53 257 56 243 50 244 39849 38436 61 264 59 257 64 240 52 239 38436 37110 61 263 61 255 65 239 50 242 37110 35823 59 262 58 254 63 243 49 245 35823 34507 55 262 55 256 55 246 46 249 34507 33133 46 259 50 261 48 255 44 251 33133 31706 38 255 45 264 45 261 40 258 31706 30211 34 256 40 258 39 264 31 263 30211 28639 35 253 32 262 32 267 25 269 28639 26989 35 257 28 263 30 275 25 278 26989 25262 30 263 24 265 26 279 27 285 25262 23459 24 271 23 269 24 277 27 289 23459 21578 22 273 24 269 24 279 25 296 21578 19610 21 278 24 270 26 284 21 297 19610 17551 21 284 20 272 25 284 19 306 17551 15443 20 289 16 280 20 278 18 314 15443 13410 18 301 13 289 14 279 13 304 13410 11562 17 307 10 296 10 295 8 295 11562 9922 16 303 9 302 8 301 5 297 9922 8472 12 306 6 315 6 310 2 290 8472 7193 7 320 2 355 1 340 4 171 7193 6069 3 304 2 134 4 157 9 185 6069 5081 2 212 5 147 7*139 10 184 5081 4217 4 121 6*132 8*132 13 163 4217 3457 7*102 6*129 8 129 14 150 3457 2779 7*101 7 127 8 126 15 145 2779 2181 7 099 7 124 8 125 15 140 2181 1681 7 098 6 122 8 124 15 137 1681 1298 7 097 6 120 8 122 14 134 1298 1035 6 096 6 118 8 121 12 131 1035 875 6 095 5 118 7 121 9*128 875 784 5 095 4 118 6 120 5*125 784 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