DrJack's BLIPSPOT for: FRI 12/12 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 - - 1333z Update Time FCST PERIOD - - - - - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 37.3 - - 38.2 - - 29.0 Temp@2m Sfc.Heating - - - - - - 170 - - 7 - - -10 Sfc.Heating BL Depth - - - - - - 3524 - - 74 - - 74 BL Depth Hcrit - - - - - - 2752 - - 767 - - 767 Hcrit BL Top - - - - - - 4233 - - 783 - - 783 BL Top Hgt.Variab. - - - - - - 1521 - - 4764 - - 167 Hgt.Variab. W* - - - - - - 342 - - 34 - - 0 W* B/S - - - - - - 10 - - 2 - - 0 B/S BL Wind - - - - - - 6 - - 3 - - 4 BL Wind Direction - - - - - - 243 - - 221 - - 101 Direction Wind Shear - - - - - - 5 - - 0 - - 0 Wind Shear Max.Converg - - - - - - 1 - - 0 - - -2 Max.Converg CLOUDpotent - - - - - - -1174 - - -4875 - - -2461 CLOUDpotentl sfcLCL - - - - - - 5407 - - 5658 - - 3244 sfcLCL ODpotential - - - - - - -3421 - - -7199 - - -9578 ODpotential blCL - - - - - - 7654 - - 7982 - - 10361 blCL maxRH - - - - - - 96 - - 81 - - 67 maxRH CAPE - - - - - - 0 - - 0 - - 0 CAPE Temp@2m - - - - - - 37.3 - - 38.2 - - 29.0 Temp@2m DewPt@2m - - - - - - 16.4 - - 16.2 - - 18.0 DewPt@2m Temp@Bot - - - - - - 35.8 - - 37.7 - - 31.2 Temp@Bot DewPt@Bot - - - - - - 15.7 - - 15.6 - - 17.5 DewPt@bot Sfc.Heating - - - - - - 170 - - 7 - - -10 Sfc.Heating BL Depth - - - - - - 3524 - - 74 - - 74 BL Depth EXPERIMENT - - - - - - 83 - - 24 - - 0 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] 95359 94 245 91 251 88 245 95359 88329 78 248 80 249 73 249 88329 82842 63 248 65 248 64 254 82842 78291 56 254 56 252 57 257 78291 74366 55 257 52 257 54 258 74366 70867 57 260 52 260 58 255 70867 67675 66 259 59 261 61 260 67675 64737 66 257 64 255 66 264 64737 62016 64 255 65 253 73 260 62016 59367 65 264 67 255 70 251 59367 56551 77 267 69 255 69 252 56551 53596 84 266 72 253 76 262 53596 50810 88 260 85 254 85 259 50810 48330 93 256 94 250 88 253 48330 46096 97 256 94 249 82 254 46096 44055 94 255 93 252 83 262 44055 42185 90 256 93 256 90 265 42185 40464 91 259 95 257 95 263 40464 38866 94 261 93 258 96 264 38866 37375 99 261 96 262 102 267 37375 35982 102 261 101 263 111 266 35982 34646 101 262 101 262 113 263 34646 33298 102 265 97 263 108 265 33298 31915 104 266 98 266 111 269 31915 30501 103 266 100 267 112 269 30501 29039 101 265 101 267 107 267 29039 27511 100 265 100 265 101 266 27511 25916 100 264 97 265 94 267 25916 24247 97 261 93 266 92 268 24247 22504 91 260 86 267 87 273 22504 20688 84 262 73 272 75 278 20688 18802 81 263 68 278 59 273 18802 16840 65 264 61 281 52 272 16840 14835 48 265 45 286 51 276 14835 12900 39 260 31 287 45 278 12900 11141 25 261 27 281 37 276 11141 9579 14 284 24 272 31 273 9579 8196 13 283 13 271 22 268 8196 6974 15 267 9 280 14 256 6974 5895 14 251 10 257 11 235 5895 4947 10*238 9 233 9 219 4947 4114 9*238 8 227 7 192 4114 3379 8 239 6 224 7 170 3379 2720 7 242 6 223 8 154 2720 2139 6 244 5 222 8 143 2139 1654 6 247 4 222 8 133 1654 1282 5 248 4 221 8 121 1282 1026 5 250 4 221 7 108 1026 871 4 252 3 221 6*101 871 783 3 252 3*221 4*101 783 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