DrJack's BLIPSPOT for: SUN 12/28 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 - - - - - - 46.0 - - 46.2 - - 42.4 Temp@2m Sfc.Heating - - - - - - 56 - - 2 - - -32 Sfc.Heating BL Depth - - - - - - 75 - - 75 - - 75 BL Depth Hcrit - - - - - - 767 - - 768 - - 768 Hcrit BL Top - - - - - - 784 - - 784 - - 784 BL Top Hgt.Variab. - - - - - - 1417 - - 1393 - - 488 Hgt.Variab. W* - - - - - - 66 - - 26 - - 14 W* B/S - - - - - - 1 - - 1 - - 0 B/S BL Wind - - - - - - 8 - - 9 - - 7 BL Wind Direction - - - - - - 160 - - 163 - - 159 Direction Wind Shear - - - - - - 0 - - 0 - - 0 Wind Shear Max.Converg - - - - - - -3 - - -3 - - -3 Max.Converg CLOUDpotent - - - - - - -2050 - - -1805 - - -694 CLOUDpotentl sfcLCL - - - - - - 2834 - - 2589 - - 1478 sfcLCL ODpotential - - - - - - -12315 - - -12343 - - -12497 ODpotential blCL - - - - - - 13099 - - 13127 - - 13281 blCL maxRH - - - - - - 97 - - 91 - - 84 maxRH CAPE - - - - - - 0 - - 0 - - 0 CAPE Temp@2m - - - - - - 46.0 - - 46.2 - - 42.4 Temp@2m DewPt@2m - - - - - - 36.5 - - 37.8 - - 38.8 DewPt@2m Temp@Bot - - - - - - 45.3 - - 46.1 - - 43.3 Temp@Bot DewPt@Bot - - - - - - 36.1 - - 37.5 - - 38.7 DewPt@bot Sfc.Heating - - - - - - 56 - - 2 - - -32 Sfc.Heating BL Depth - - - - - - 75 - - 75 - - 75 BL Depth EXPERIMENT - - - - - - 87 - - 63 - - 35 EXPERIMENT EXPERIMENT2 - - - - - - 5 - - 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] 95604 70 248 62 254 58 262 95604 88687 37 259 36 261 38 269 88687 83314 24 282 25 268 22 271 83314 78826 17 283 22 277 16 287 78826 74935 12 273 16 280 14 294 74935 71485 13 302 12 262 13 286 71485 68341 9 323 14 256 15 281 68341 65416 4 328 19 273 20 283 65416 62691 17 299 27 282 29 287 62691 60070 35 271 38 286 41 284 60070 57348 36 266 44 278 43 266 57348 54522 51 280 52 284 54 280 54522 51809 71 284 78 279 67 280 51809 49361 81 277 83 272 84 272 49361 47171 81 272 82 271 80 271 47171 45195 76 274 79 278 86 283 45195 43400 84 282 91 284 99 283 43400 41758 95 278 94 278 95 277 41758 40243 95 274 84 272 90 277 40243 38818 90 275 70 274 88 278 38818 37467 85 271 70 273 83 281 37467 36157 74 268 75 271 73 287 36157 34824 71 265 73 268 65 283 34824 33437 70 267 70 268 64 274 33437 31993 70 272 66 271 66 270 31993 30478 70 275 63 272 68 265 30478 28883 72 275 59 274 66 266 28883 27207 75 277 59 277 62 268 27207 25453 75 281 60 279 57 268 25453 23625 65 283 61 281 54 268 23625 21723 55 282 60 280 54 267 21723 19742 67 276 59 276 52 267 19742 17676 65 265 57 269 52 269 17676 15567 52 266 53 258 50 270 15567 13537 41 271 48 246 45 266 13537 11692 32 263 40 240 43 262 11692 10050 25 241 32 239 42 259 10050 8592 21 239 28 232 37 256 8592 7301 18 240 26 224 32 254 7301 6159 15 229 25 220 31 254 6159 5149 15 220 27 218 32 248 5149 4262 16 219 31 215 33 237 4262 3480 21 217 32 212 36 225 3480 2787 21 207 28 206 36 218 2787 2179 20 189 23 191 32 210 2179 1677 16 170 20 176 27 195 1677 1294 15 167 18 171 22 180 1294 1033 14 164 16 167 16 167 1033 874 12*162 13*165 13*163 874 784 8*160 9*163 7*159 784 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