DrJack's BLIPSPOT for: FRI 12/19 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 - - - - - - 43.5 - - 34.9 - - 31.1 Temp@2m Sfc.Heating - - - - - - 5 - - -9 - - -17 Sfc.Heating BL Depth - - - - - - 75 - - 74 - - 74 BL Depth Hcrit - - - - - - 767 - - 767 - - 767 Hcrit BL Top - - - - - - 784 - - 783 - - 783 BL Top Hgt.Variab. - - - - - - 6065 - - 5218 - - 2967 Hgt.Variab. W* - - - - - - 46 - - 32 - - 21 W* B/S - - - - - - 1 - - 0 - - 1 B/S BL Wind - - - - - - 16 - - 12 - - 7 BL Wind Direction - - - - - - 262 - - 271 - - 285 Direction Wind Shear - - - - - - 0 - - 0 - - 0 Wind Shear Max.Converg - - - - - - 2 - - 1 - - 1 Max.Converg CLOUDpotent - - - - - - -2403 - - -2505 - - -1866 CLOUDpotentl sfcLCL - - - - - - 3187 - - 3288 - - 2649 sfcLCL ODpotential - - - - - - -2611 - - -2915 - - -13342 ODpotential blCL - - - - - - 3395 - - 3698 - - 14125 blCL maxRH - - - - - - 96 - - 95 - - 76 maxRH CAPE - - - - - - 0 - - 0 - - 0 CAPE Temp@2m - - - - - - 43.5 - - 34.9 - - 31.1 Temp@2m DewPt@2m - - - - - - 32.0 - - 23.2 - - 22.4 DewPt@2m Temp@Bot - - - - - - 43.1 - - 34.8 - - 31.6 Temp@Bot DewPt@Bot - - - - - - 30.7 - - 22.0 - - 21.4 DewPt@bot Sfc.Heating - - - - - - 5 - - -9 - - -17 Sfc.Heating BL Depth - - - - - - 75 - - 74 - - 74 BL Depth EXPERIMENT - - - - - - 85 - - 80 - - 3 EXPERIMENT EXPERIMENT2 - - - - - - 4 - - 3 - - 3 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] 96352 32 237 28 272 18 259 96352 89338 15 224 24 239 19 259 89338 83908 11 230 21 229 21 246 83908 79338 14 255 21 227 23 232 79338 75365 15 273 14 216 23 231 75365 71843 20 253 10 221 17 224 71843 68621 28 232 18 235 20 233 68621 65622 33 240 33 246 35 244 65622 62836 39 243 38 241 40 230 62836 60138 42 235 35 239 35 237 60138 57337 42 235 38 249 39 244 57337 54429 53 234 48 248 46 239 54429 51620 60 234 60 233 41 227 51620 49051 72 230 53 221 30 237 49051 46718 81 219 46 238 67 272 46718 44610 69 213 66 252 103 266 44610 42706 54 228 85 253 111 254 42706 40970 77 245 97 246 91 252 40970 39372 99 244 95 238 81 269 39372 37891 113 237 83 238 93 280 37891 36509 108 229 77 251 101 279 36509 35183 86 223 82 263 98 274 35183 33843 76 228 88 265 90 271 33843 32459 76 234 91 259 84 270 32459 31032 82 234 92 252 80 269 31032 29544 91 230 91 246 78 270 29544 27981 100 225 87 246 77 274 27981 26342 106 223 81 253 81 280 26342 24631 97 223 81 263 89 287 24631 22848 85 224 87 271 102 294 22848 20990 83 227 92 275 109 298 20990 19050 84 230 91 276 104 299 19050 17027 81 233 83 275 94 294 17027 14973 71 235 75 274 81 289 14973 12997 62 241 71 273 69 290 12997 11202 56 247 72 274 64 292 11202 9612 52 250 72 274 62 291 9612 8208 48 251 70 274 62 290 8208 6968 44 252 63 274 64 290 6968 5873 42 255 54 273 65 289 5873 4915 42 256 46 274 62 285 4915 4082 41 258 41 274 56 283 4082 3354 40 258 38 274 48 283 3354 2703 39 259 34 273 41 284 2703 2128 37 260 30 273 34 285 2128 1648 35 261 27 273 28 285 1648 1279 32 261 24 272 21 285 1279 1025 28 261 20 272 16 285 1025 871 24*262 17 272 13 285 871 783 16*262 12*271 7*285 783 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