DrJack's BLIPSPOT for: TUE 12/23 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 - - - - - - 50.0 - - 53.3 - - 46.2 Temp@2m Sfc.Heating - - - - - - 1 - - -8 - - -4 Sfc.Heating BL Depth - - - - - - 75 - - 76 - - 76 BL Depth Hcrit - - - - - - 768 - - 768 - - 768 Hcrit BL Top - - - - - - 784 - - 785 - - 785 BL Top Hgt.Variab. - - - - - - 883 - - 3523 - - 125 Hgt.Variab. W* - - - - - - 23 - - 15 - - 5 W* B/S - - - - - - 2 - - 1 - - 0 B/S BL Wind - - - - - - 2 - - 3 - - 2 BL Wind Direction - - - - - - 207 - - 293 - - 161 Direction Wind Shear - - - - - - 0 - - 0 - - 0 Wind Shear Max.Converg - - - - - - -1 - - 1 - - -2 Max.Converg CLOUDpotent - - - - - - -1271 - - -1182 - - -816 CLOUDpotentl sfcLCL - - - - - - 2055 - - 1967 - - 1601 sfcLCL ODpotential - - - - - - -3256 - - -2370 - - -8579 ODpotential blCL - - - - - - 4040 - - 3155 - - 9364 blCL maxRH - - - - - - 100 - - 96 - - 92 maxRH CAPE - - - - - - 0 - - 0 - - 0 CAPE Temp@2m - - - - - - 50.0 - - 53.3 - - 46.2 Temp@2m DewPt@2m - - - - - - 43.9 - - 47.6 - - 42.2 DewPt@2m Temp@Bot - - - - - - 49.7 - - 54.5 - - 50.9 Temp@Bot DewPt@Bot - - - - - - 43.3 - - 46.8 - - 44.0 DewPt@bot Sfc.Heating - - - - - - 1 - - -8 - - -4 Sfc.Heating BL Depth - - - - - - 75 - - 76 - - 76 BL Depth EXPERIMENT - - - - - - 100 - - 83 - - 67 EXPERIMENT EXPERIMENT2 - - - - - - 6 - - 7 - - 6 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] 95626 63 252 63 258 60 251 95626 88599 51 263 44 264 45 263 88599 83150 41 269 34 258 35 257 83150 78614 29 251 31 247 29 247 78614 74675 22 242 28 243 34 261 74675 71224 27 278 35 260 43 267 71224 68140 35 266 39 247 37 257 68140 65296 37 247 30 262 16 237 65296 62622 38 270 44 285 38 291 62622 60013 54 285 57 295 55 301 60013 57288 75 291 76 290 69 298 57288 54446 92 286 87 287 90 293 54446 51721 95 285 94 286 101 287 51721 49259 91 284 95 286 101 286 49259 47045 95 288 99 290 97 289 47045 45030 102 292 105 294 101 296 45030 43185 107 295 112 297 112 299 43185 41485 108 294 118 294 118 296 41485 39908 100 292 108 289 111 293 39908 38447 92 291 92 295 106 298 38447 37090 90 295 114 311 117 308 37090 35791 97 299 128 311 125 308 35791 34472 102 298 116 304 121 304 34472 33095 99 294 101 297 119 300 33095 31664 93 291 89 290 113 301 31664 30171 85 292 80 286 98 298 30171 28604 79 292 80 290 89 293 28604 26959 76 289 80 292 83 289 26959 25235 75 287 80 293 79 292 25235 23433 71 287 79 293 80 298 23433 21555 67 288 78 292 78 300 21555 19599 65 291 76 293 74 298 19599 17558 63 291 70 294 69 296 17558 15474 61 289 64 295 61 295 15474 13464 57 289 58 295 56 294 13464 11637 50 293 53 297 53 295 11637 10012 47 295 48 298 49 297 10012 8565 46 294 44 297 45 300 8565 7278 46 288 43 293 42 303 7278 6139 45 282 42 286 42 301 6139 5138 39 280 39 280 45 294 5138 4263 32 281 33 278 42 288 4263 3494 25 279 27 279 34 286 3494 2808 19 276 23 282 24 285 2808 2201 14 267 19 285 17 283 2201 1695 10 251 17 288 12 279 1695 1306 8 237 13 292 9 271 1306 1039 5 218 10 295 6 260 1039 877 3*210 7*296 3*242 877 785 2*207 3*293 2*161 785 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