DrJack's BLIPSPOT for: MON 05/12 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 = 09Z 21Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - - - - 0953z - - 1001z - - - Update Time FCST PERIOD - - - - - - 9 hr - - 12 hr - - - FCST PERIOD Temp@2m - - - - - - 74.4 - - 73.4 - - - Temp@2m Sfc.Heating - - - - - - 214 - - 110 - - - Sfc.Heating BL Depth - - - - - - 2798 - - 2331 - - - BL Depth Hcrit - - - - - - 2338 - - 1658 - - - Hcrit BL Top - - - - - - 3507 - - 3040 - - - BL Top Hgt.Variab. - - - - - - 2839 - - 2401 - - - Hgt.Variab. W* - - - - - - 344 - - 260 - - - W* B/S - - - - - - 4 - - 4 - - - B/S BL Wind - - - - - - 14 - - 10 - - - BL Wind Direction - - - - - - 162 - - 154 - - - Direction Wind Shear - - - - - - 6 - - 5 - - - Wind Shear Max.Converg - - - - - - -11 - - -4 - - - Max.Converg CLOUDpotent - - - - - - -652 - - -215 - - - CLOUDpotentl sfcLCL - - - - - - 4159 - - 3255 - - - sfcLCL ODpotential - - - - - - -957 - - -484 - - - ODpotential blCL - - - - - - 4464 - - 3524 - - - blCL maxRH - - - - - - 94 - - 94 - - - maxRH CAPE - - - - - - 90 - - 290 - - - CAPE Temp@2m - - - - - - 74.4 - - 73.4 - - - Temp@2m DewPt@2m - - - - - - 59.0 - - 61.9 - - - DewPt@2m Temp@Bot - - - - - - 72.6 - - 72.2 - - - Temp@Bot DewPt@Bot - - - - - - 58.5 - - 61.5 - - - DewPt@bot Sfc.Heating - - - - - - 214 - - 110 - - - Sfc.Heating BL Depth - - - - - - 2798 - - 2331 - - - BL Depth EXPERIMENT - - - - - - 74 - - 77 - - - EXPERIMENT EXPERIMENT2 - - - - - - 11 - - 12 - - - 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] 97980 4 226 10 256 97980 90549 8 199 4 297 90549 84851 4 182 6 357 84851 80136 2 138 5 358 80136 76071 2 296 7 329 76071 72467 7 301 10 312 72467 69207 9 306 11 300 69207 66226 10 289 13 283 66226 63482 15 288 15 267 63482 60840 21 282 16 273 60840 58088 22 280 19 276 58088 55239 28 282 26 279 55239 52521 34 267 34 268 52521 50065 37 261 38 259 50065 47854 47 251 42 253 47854 45852 45 237 40 247 45852 44034 40 246 51 248 44034 42371 62 241 77 232 42371 40840 80 229 73 222 40840 39414 71 227 57 219 39414 38063 50 226 52 219 38063 36746 43 225 41 220 36746 35401 40 224 31 222 35401 33995 36 222 27 222 33995 32533 31 220 27 222 32533 30998 22 225 28 221 30998 29378 14 267 32 217 29378 27675 14 283 32 216 27675 25890 15 230 28 216 25890 24025 24 215 26 216 24025 22086 23 217 22 218 22086 20068 17 191 15 216 20068 17968 15 181 13 188 17968 15829 16 171 16 163 15829 13772 15 168 20 154 13772 11906 12 170 17 147 11906 10251 12 175 14 157 10251 8781 14 180 15 174 8781 7477 18 187 17 179 7477 6319 20 191 17 181 6319 5295 20 189 18 174 5295 4393 19 183 17 167 4393 3597 16*173 14*159 3597 2886 15*166 12*155 2886 2256 15 163 11 154 2256 1731 15 162 11 154 1731 1328 14 161 10 154 1328 1051 13 160 9 154 1051 883 12 160 9 154 883 786 9 160 7 154 786 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