DrJack's BLIPSPOT for: WED 05/27 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 - - - - - - 78.4 - - 79.9 - - - Temp@2m Sfc.Heating - - - - - - 71 - - 24 - - - Sfc.Heating BL Depth - - - - - - 78 - - 78 - - - BL Depth Hcrit - - - - - - 770 - - 770 - - - Hcrit BL Top - - - - - - 787 - - 787 - - - BL Top Hgt.Variab. - - - - - - 5399 - - 5959 - - - Hgt.Variab. W* - - - - - - 79 - - 63 - - - W* B/S - - - - - - 2 - - 1 - - - B/S BL Wind - - - - - - 7 - - 8 - - - BL Wind Direction - - - - - - 296 - - 281 - - - Direction Wind Shear - - - - - - 0 - - 0 - - - Wind Shear Max.Converg - - - - - - 1 - - 2 - - - Max.Converg CLOUDpotent - - - - - - -2000 - - -2685 - - - CLOUDpotentl sfcLCL - - - - - - 2787 - - 3472 - - - sfcLCL ODpotential - - - - - - -2473 - - -3177 - - - ODpotential blCL - - - - - - 3260 - - 3964 - - - blCL maxRH - - - - - - 92 - - 90 - - - maxRH CAPE - - - - - - 1430 - - 1350 - - - CAPE Temp@2m - - - - - - 78.4 - - 79.9 - - - Temp@2m DewPt@2m - - - - - - 68.5 - - 67.0 - - - DewPt@2m Temp@Bot - - - - - - 77.5 - - 79.5 - - - Temp@Bot DewPt@Bot - - - - - - 67.3 - - 65.8 - - - DewPt@bot Sfc.Heating - - - - - - 71 - - 24 - - - Sfc.Heating BL Depth - - - - - - 78 - - 78 - - - BL Depth EXPERIMENT - - - - - - 66 - - 58 - - - EXPERIMENT EXPERIMENT2 - - - - - - 15 - - 14 - - - 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] 98468 7 133 8 052 98468 91027 6 057 11 043 91027 85304 11 063 9 037 85304 80541 17 067 4 082 80541 76446 16 061 7 086 76446 72839 8 045 14 057 72839 69571 11 027 8 042 69571 66568 9 353 6 027 66568 63794 6 218 6 347 63794 61124 4 282 7 266 61124 58344 14 280 19 282 58344 55467 22 258 31 274 55467 52731 35 257 36 265 52731 50272 42 255 44 262 50272 48086 49 254 54 252 48086 46116 61 249 62 247 46116 44309 65 251 64 247 44309 42636 75 254 74 252 42636 41078 83 250 80 250 41078 39610 83 241 85 245 39610 38219 83 235 85 243 38219 36870 80 237 82 246 36870 35498 68 242 74 247 35498 34073 58 242 67 247 34073 32600 56 244 62 248 32600 31061 57 244 58 249 31061 29439 59 243 57 248 29439 27736 60 248 57 247 27736 25950 55 253 55 245 25950 24085 46 258 52 244 24085 22146 42 260 49 246 22146 20130 40 263 46 255 20130 18034 37 263 44 265 18034 15905 35 258 42 271 15905 13853 33 260 32 276 13853 11985 30 265 27 275 11985 10327 30 271 27 276 10327 8855 29 276 25 282 8855 7545 28 278 21 285 7545 6382 25 278 20 283 6382 5351 23 279 19 281 5351 4443 21 280 18 280 4443 3639 18 283 16 280 3639 2918 14 287 15 280 2918 2280 13 290 14 281 2280 1747 12 293 13 281 1747 1338 11 294 13 281 1338 1056 10 295 12 281 1056 885 9*295 10*281 885 787 7*296 8*281 787 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