DrJack's BLIPSPOT for: THU 07/09 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 = 09Z 21Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - - - - 0659z - - 1002z - - - Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - - FCST PERIOD Temp@2m - - - - - - 82.2 - - 79.1 - - - Temp@2m Sfc.Heating - - - - - - 54 - - 9 - - - Sfc.Heating BL Depth - - - - - - 78 - - 78 - - - BL Depth Hcrit - - - - - - 771 - - 770 - - - Hcrit BL Top - - - - - - 787 - - 787 - - - BL Top Hgt.Variab. - - - - - - 5208 - - 4259 - - - Hgt.Variab. W* - - - - - - 73 - - 43 - - - W* B/S - - - - - - 4 - - 2 - - - B/S BL Wind - - - - - - 3 - - 4 - - - BL Wind Direction - - - - - - 266 - - 296 - - - Direction Wind Shear - - - - - - 0 - - 0 - - - Wind Shear Max.Converg - - - - - - 1 - - 1 - - - Max.Converg CLOUDpotent - - - - - - -1975 - - -1023 - - - CLOUDpotentl sfcLCL - - - - - - 2762 - - 1810 - - - sfcLCL ODpotential - - - - - - -2568 - - -1964 - - - ODpotential blCL - - - - - - 3355 - - 2751 - - - blCL maxRH - - - - - - 90 - - 100 - - - maxRH CAPE - - - - - - 2030 - - 2180 - - - CAPE Temp@2m - - - - - - 82.2 - - 79.1 - - - Temp@2m DewPt@2m - - - - - - 72.2 - - 73.3 - - - DewPt@2m Temp@Bot - - - - - - 81.3 - - 78.9 - - - Temp@Bot DewPt@Bot - - - - - - 71.1 - - 72.7 - - - DewPt@bot Sfc.Heating - - - - - - 54 - - 9 - - - Sfc.Heating BL Depth - - - - - - 78 - - 78 - - - BL Depth EXPERIMENT - - - - - - 58 - - 98 - - - EXPERIMENT EXPERIMENT2 - - - - - - 17 - - 18 - - - 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] 99355 29 086 22 087 99355 91834 24 086 23 089 91834 86044 21 081 23 087 86044 81232 19 078 21 089 81232 77084 19 089 17 082 77084 73429 18 092 13 077 73429 70133 14 085 13 076 70133 67116 12 065 13 064 67116 64334 10 039 13 046 64334 61664 5 025 11 030 61664 58899 5 017 9 000 58899 56037 8 337 11 330 56037 53306 11 303 12 298 53306 50849 18 275 12 283 50849 48645 20 258 18 278 48645 46636 27 246 27 256 46636 44798 37 239 36 242 44798 43103 43 232 42 236 43103 41521 43 229 44 233 41521 40032 38 229 44 234 40032 38627 34 231 43 234 38627 37267 33 227 45 234 37267 35880 33 223 46 233 35880 34437 33 224 44 232 34437 32940 34 230 41 231 32940 31373 34 235 37 231 31373 29725 28 237 33 231 29725 27996 29 237 35 233 27996 26186 31 240 37 235 26186 24299 33 240 38 236 24299 22340 31 241 33 236 22340 20302 28 243 29 235 20302 18183 27 249 26 238 18183 16023 25 254 21 248 16023 13944 21 250 17 256 13944 12062 17 249 16 253 12062 10394 14 254 17 256 10394 8911 11 253 16 259 8911 7592 9 250 13 264 7592 6420 8 253 11 270 6420 5381 7 256 9 278 5381 4465 6 261 9 289 4465 3655 5 267 9 296 3655 2929 5 269 9 299 2929 2287 5 268 9 297 2287 1751 4 269 8 297 1751 1341 4 268 7 296 1341 1057 4 268 6 296 1057 885 3 267 5*296 885 787 3*266 4*296 787 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