DrJack's BLIPSPOT for: MON 08/24 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 - - 1002z - - - Update Time FCST PERIOD - - - - - - 9 hr - - 12 hr - - - FCST PERIOD Temp@2m - - - - - - 75.7 - - 75.4 - - - Temp@2m Sfc.Heating - - - - - - 141 - - 62 - - - Sfc.Heating BL Depth - - - - - - 5289 - - 77 - - - BL Depth Hcrit - - - - - - 4025 - - 770 - - - Hcrit BL Top - - - - - - 5998 - - 786 - - - BL Top Hgt.Variab. - - - - - - 2855 - - 7717 - - - Hgt.Variab. W* - - - - - - 385 - - 74 - - - W* B/S - - - - - - 6 - - 2 - - - B/S BL Wind - - - - - - 12 - - 8 - - - BL Wind Direction - - - - - - 272 - - 311 - - - Direction Wind Shear - - - - - - 7 - - 0 - - - Wind Shear Max.Converg - - - - - - 13 - - 3 - - - Max.Converg CLOUDpotent - - - - - - 279 - - -5320 - - - CLOUDpotentl sfcLCL - - - - - - 5720 - - 6106 - - - sfcLCL ODpotential - - - - - - -622 - - -5716 - - - ODpotential blCL - - - - - - 6620 - - 6502 - - - blCL maxRH - - - - - - 82 - - 80 - - - maxRH CAPE - - - - - - 70 - - 30 - - - CAPE Temp@2m - - - - - - 75.7 - - 75.4 - - - Temp@2m DewPt@2m - - - - - - 53.4 - - 51.4 - - - DewPt@2m Temp@Bot - - - - - - 74.5 - - 74.5 - - - Temp@Bot DewPt@Bot - - - - - - 52.3 - - 50.3 - - - DewPt@bot Sfc.Heating - - - - - - 141 - - 62 - - - Sfc.Heating BL Depth - - - - - - 5289 - - 77 - - - BL Depth EXPERIMENT - - - - - - 29 - - 18 - - - EXPERIMENT EXPERIMENT2 - - - - - - 8 - - 8 - - - 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] 99362 32 100 19 090 99362 91892 27 100 23 097 91892 86104 20 100 17 096 86104 81294 16 100 19 100 81294 77159 13 101 18 088 77159 73499 14 110 13 088 73499 70183 15 103 9 117 70183 67139 12 084 8 134 67139 64310 6 171 3 142 64310 61551 12 172 5 207 61551 58664 10 208 10 246 58664 55674 9 239 12 239 55674 52827 10 271 9 266 52827 50265 23 268 23 272 50265 47973 32 263 30 273 47973 45905 35 262 37 278 45905 44020 32 266 42 280 44020 42282 32 277 43 284 42282 40669 35 284 44 293 40669 39170 37 283 49 303 39170 37771 34 277 57 305 37771 36432 27 277 55 302 36432 35081 26 287 49 296 35081 33682 26 283 42 285 33682 32232 26 277 32 279 32232 30714 26 276 26 283 30714 29115 27 272 24 284 29115 27434 29 270 24 282 27434 25669 32 269 24 282 25669 23823 31 265 25 283 23823 21900 31 262 27 284 21900 19900 33 263 29 279 19900 17822 36 265 32 270 17822 15706 37 260 33 263 15706 13668 37 254 32 264 13668 11817 35 254 29 265 11817 10180 28 256 23 252 10180 8730 21 253 19 237 8730 7444 16 251 15 242 7444 6299 15*255 12 259 6299 5284 14*261 12 273 5284 4387 13 266 12 291 4387 3595 13 270 12 298 3595 2884 12 274 12 304 2884 2256 12 276 12 306 2256 1731 11 279 12 308 1731 1328 11 280 12 309 1328 1051 10 281 11 310 1051 883 10 281 10*310 883 786 8 282 8*311 786 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