DrJack's BLIPSPOT for: THU 05/09 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 = 15Z 0Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - - - - 0952z - - 1001z - - 1553z Update Time FCST PERIOD - - - - - - 9 hr - - 12 hr - - 9 hr FCST PERIOD Temp@2m - - - - - - 67.4 - - 72.8 - - 64.0 Temp@2m Sfc.Heating - - - - - - 37 - - 122 - - -15 Sfc.Heating BL Depth - - - - - - 77 - - 2124 - - 76 BL Depth Hcrit - - - - - - 769 - - 1617 - - 769 Hcrit BL Top - - - - - - 786 - - 2833 - - 785 BL Top Hgt.Variab. - - - - - - 2710 - - 1637 - - 1960 Hgt.Variab. W* - - - - - - 61 - - 266 - - 24 W* B/S - - - - - - 2 - - 8 - - 1 B/S BL Wind - - - - - - 5 - - 6 - - 4 BL Wind Direction - - - - - - 025 - - 049 - - 050 Direction Wind Shear - - - - - - 0 - - 2 - - 0 Wind Shear Max.Converg - - - - - - 2 - - -3 - - 1 Max.Converg CLOUDpotent - - - - - - -2831 - - -2062 - - -1243 CLOUDpotentl sfcLCL - - - - - - 3617 - - 4895 - - 2028 sfcLCL ODpotential - - - - - - -5095 - - -4327 - - -3100 ODpotential blCL - - - - - - 5881 - - 7160 - - 3885 blCL maxRH - - - - - - 99 - - 94 - - 100 maxRH CAPE - - - - - - 40 - - 40 - - 170 CAPE Temp@2m - - - - - - 67.4 - - 72.8 - - 64.0 Temp@2m DewPt@2m - - - - - - 54.0 - - 53.8 - - 57.5 DewPt@2m Temp@Bot - - - - - - 66.9 - - 71.5 - - 64.6 Temp@Bot DewPt@Bot - - - - - - 53.3 - - 52.9 - - 56.7 DewPt@bot Sfc.Heating - - - - - - 37 - - 122 - - -15 Sfc.Heating BL Depth - - - - - - 77 - - 2124 - - 76 BL Depth EXPERIMENT - - - - - - 97 - - 76 - - 101 EXPERIMENT EXPERIMENT2 - - - - - - 9 - - 9 - - 10 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] 98377 17 232 11 255 14 262 98377 90865 21 227 16 245 16 238 90865 85071 16 219 19 234 14 243 85071 80284 7 216 11 235 10 242 80284 76189 5 249 9 266 6 287 76189 72593 4 313 6 259 10 326 72593 69339 9 326 7 280 16 303 69339 66345 13 284 15 281 18 271 66345 63575 13 283 19 280 16 276 63575 60891 22 259 24 268 28 275 60891 58079 17 257 33 271 36 257 58079 55143 30 278 40 284 43 266 55143 52320 61 265 61 269 57 268 52320 49778 58 252 60 251 61 259 49778 47514 45 258 46 248 55 253 47514 45476 48 267 43 262 57 258 45476 43629 54 264 64 263 77 258 43629 41948 66 256 73 259 86 252 41948 40396 82 250 76 256 85 250 40396 38940 86 246 78 254 84 250 38940 37561 84 247 83 252 83 250 37561 36223 81 251 91 247 82 248 36223 34858 81 251 92 241 82 246 34858 33439 82 251 88 243 83 247 33439 31969 78 254 87 246 82 249 31969 30438 73 255 84 248 76 253 30438 28834 72 252 78 252 70 259 28834 27159 70 249 70 257 58 261 27159 25413 65 245 58 256 45 258 25413 23596 63 250 48 256 47 254 23596 21710 53 263 43 256 49 254 21710 19747 40 261 40 259 49 255 19747 17696 37 251 36 260 49 256 17696 15603 38 257 34 258 43 255 15603 13587 34 260 34 262 38 255 13587 11753 27 258 35 262 35 256 11753 10121 22 253 32 258 30 254 10121 8671 20 241 26 255 24 251 8671 7381 20 222 20 246 20 246 7381 6237 18 203 16 227 14 225 6237 5225 16 183 13 191 11 169 5225 4337 13 162 11 176 12 136 4337 3555 8 136 6 148 14 117 3555 2854 8 086 5*068 14 107 2854 2234 9 055 6*055 13 094 2234 1717 9 041 6 050 13 080 1717 1320 9 033 6 048 11 070 1320 1046 8 029 6 046 9 062 1046 881 7*028 5 044 7 056 881 785 5*025 5 043 4*050 785 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