DrJack's BLIPSPOT for: THU 01/08 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 - - - - - - 0659z - - 1002z - - 1334z Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 54.1 - - 55.4 - - 43.4 Temp@2m Sfc.Heating - - - - - - 143 - - -2 - - -23 Sfc.Heating BL Depth - - - - - - 2305 - - 76 - - 75 BL Depth Hcrit - - - - - - 1792 - - 768 - - 768 Hcrit BL Top - - - - - - 3014 - - 785 - - 784 BL Top Hgt.Variab. - - - - - - 929 - - 2992 - - 154 Hgt.Variab. W* - - - - - - 281 - - 18 - - 4 W* B/S - - - - - - 9 - - 1 - - 0 B/S BL Wind - - - - - - 6 - - 5 - - 5 BL Wind Direction - - - - - - 151 - - 139 - - 126 Direction Wind Shear - - - - - - 3 - - 0 - - 0 Wind Shear Max.Converg - - - - - - -2 - - -2 - - -2 Max.Converg CLOUDpotent - - - - - - -1267 - - -4712 - - -973 CLOUDpotentl sfcLCL - - - - - - 4281 - - 5497 - - 1757 sfcLCL ODpotential - - - - - - -7394 - - -12027 - - -10355 ODpotential blCL - - - - - - 10408 - - 12812 - - 11139 blCL maxRH - - - - - - 81 - - 56 - - 68 maxRH CAPE - - - - - - 0 - - 0 - - 0 CAPE Temp@2m - - - - - - 54.1 - - 55.4 - - 43.4 Temp@2m DewPt@2m - - - - - - 38.4 - - 34.5 - - 38.8 DewPt@2m Temp@Bot - - - - - - 52.7 - - 55.4 - - 45.9 Temp@Bot DewPt@Bot - - - - - - 37.8 - - 33.9 - - 38.8 DewPt@bot Sfc.Heating - - - - - - 143 - - -2 - - -23 Sfc.Heating BL Depth - - - - - - 2305 - - 76 - - 75 BL Depth EXPERIMENT - - - - - - 26 - - 0 - - 0 EXPERIMENT EXPERIMENT2 - - - - - - 5 - - 4 - - 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] 96617 45 257 47 270 41 273 96617 89344 28 258 30 265 23 264 89344 83784 23 274 20 250 19 268 83784 79197 13 256 17 259 17 278 79197 75267 9 229 15 235 11 255 75267 71796 9 263 14 247 15 267 71796 68643 7 261 14 250 22 254 68643 65735 6 258 16 272 20 269 65735 63022 30 277 28 282 26 284 63022 60384 39 279 34 292 35 285 60384 57619 47 283 47 286 46 287 57619 54725 60 284 60 270 53 275 54725 51949 64 282 59 271 55 273 51949 49457 74 278 62 276 55 277 49457 47243 70 269 65 275 68 282 47243 45269 57 270 66 278 68 273 45269 43492 62 292 70 284 63 279 43492 41856 83 288 74 280 67 284 41856 40325 82 283 74 277 73 276 40325 38887 77 279 78 277 74 276 38887 37529 81 278 81 274 75 275 37529 36213 86 278 80 270 74 269 36213 34875 85 281 78 265 66 264 34875 33482 81 283 70 272 58 264 33482 32034 76 282 59 273 56 268 32034 30516 68 282 54 271 55 270 30516 28915 62 278 49 271 53 271 28915 27233 59 267 48 268 51 272 27233 25470 53 267 47 261 51 276 25470 23627 47 264 44 260 46 281 23627 21705 42 261 43 259 42 272 21705 19702 35 269 40 257 41 268 19702 17623 33 282 35 262 40 264 17623 15512 36 284 32 270 32 251 15512 13483 36 287 30 278 20 251 13483 11638 30 298 25 288 17 257 11638 10004 22 309 16 305 12 247 10004 8556 15 311 9 313 8 208 8556 7273 10 323 5 280 10 191 7273 6139 7 333 5 230 15 177 6139 5138 5 304 8 207 16 175 5138 4258 5 242 10 203 15 192 4258 3484 6*181 10 189 15 198 3484 2796 6*160 10 168 18 179 2796 2190 6 154 10 157 20 164 2190 1686 6 151 9 152 20 153 1686 1300 6 146 9 147 19 145 1300 1036 5 144 8 144 15 140 1036 875 5 143 7*142 10 135 875 784 4 141 5*139 5*126 784 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