DrJack's BLIPSPOT for: FRI 12/26 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 - - - - - - 0953z - - 1001z - - 1334z Update Time FCST PERIOD - - - - - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 34.2 - - 36.5 - - 39.0 Temp@2m Sfc.Heating - - - - - - 50 - - 19 - - -6 Sfc.Heating BL Depth - - - - - - 74 - - 74 - - 74 BL Depth Hcrit - - - - - - 766 - - 767 - - 767 Hcrit BL Top - - - - - - 783 - - 783 - - 783 BL Top Hgt.Variab. - - - - - - 1843 - - 1647 - - 1407 Hgt.Variab. W* - - - - - - 63 - - 46 - - 11 W* B/S - - - - - - 1 - - 1 - - 0 B/S BL Wind - - - - - - 9 - - 11 - - 8 BL Wind Direction - - - - - - 144 - - 154 - - 165 Direction Wind Shear - - - - - - 0 - - 0 - - 0 Wind Shear Max.Converg - - - - - - -3 - - -4 - - -3 Max.Converg CLOUDpotent - - - - - - -4981 - - -5318 - - -4035 CLOUDpotentl sfcLCL - - - - - - 5764 - - 6102 - - 4819 sfcLCL ODpotential - - - - - - -21314 - - -20001 - - -16072 ODpotential blCL - - - - - - 22097 - - 20784 - - 16855 blCL maxRH - - - - - - 100 - - 100 - - 100 maxRH CAPE - - - - - - 30 - - 30 - - 260 CAPE Temp@2m - - - - - - 34.2 - - 36.5 - - 39.0 Temp@2m DewPt@2m - - - - - - 12.2 - - 13.1 - - 21.0 DewPt@2m Temp@Bot - - - - - - 33.5 - - 36.1 - - 39.0 Temp@Bot DewPt@Bot - - - - - - 12.0 - - 13.0 - - 20.9 DewPt@bot Sfc.Heating - - - - - - 50 - - 19 - - -6 Sfc.Heating BL Depth - - - - - - 74 - - 74 - - 74 BL Depth EXPERIMENT - - - - - - 100 - - 101 - - 100 EXPERIMENT EXPERIMENT2 - - - - - - 2 - - 2 - - 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] 95589 87 243 83 246 85 240 95589 88560 62 249 65 255 64 250 88560 83145 52 250 54 256 52 259 83145 78646 48 260 44 259 43 261 78646 74739 43 268 42 277 38 270 74739 71276 37 279 41 283 40 283 71276 68160 38 286 41 281 43 281 68160 65304 42 289 44 276 35 267 65304 62626 43 292 39 267 29 262 62626 59981 43 296 34 270 40 285 59981 57213 54 291 45 277 57 282 57213 54359 70 286 66 287 73 280 54359 51637 80 286 91 284 87 283 51637 49190 88 284 101 280 96 282 49190 47005 98 281 103 279 93 279 47005 45029 100 278 101 279 80 279 45029 43220 93 278 96 281 80 285 43220 41547 92 277 91 281 88 289 41547 39991 95 274 87 280 95 290 39991 38534 93 274 85 278 100 290 38534 37167 89 275 83 275 103 288 37167 35848 88 276 82 274 101 284 35848 34510 87 278 81 275 95 280 34510 33120 88 281 83 278 91 278 33120 31679 88 282 86 281 89 278 31679 30170 87 283 87 282 89 280 30170 28580 83 282 86 280 87 283 28580 26910 75 283 84 276 84 281 26910 25163 71 280 83 273 84 276 25163 23345 75 277 82 272 86 276 23345 21456 75 278 78 275 82 278 21456 19496 61 279 67 277 74 279 19496 17462 52 272 59 277 64 277 17462 15389 55 264 54 274 59 273 15389 13380 51 266 50 268 54 276 13380 11552 44 273 45 263 51 282 11552 9927 37 269 43 261 52 279 9927 8481 28 255 47 260 55 273 8481 7192 29 237 49 254 57 270 7192 6050 36 226 49 242 55 264 6050 5045 36 210 47 224 50 251 5045 4170 30 195 43 208 47 231 4170 3408 28 181 37 195 45 215 3408 2736 25 165 33 181 36 204 2736 2147 20 152 29 167 27 189 2147 1659 19 148 25 161 24 181 1659 1285 17 147 23 159 20 174 1285 1029 16 146 20 157 16 170 1029 873 13*145 17 156 14 168 873 783 9*144 11*154 8*165 783 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