DrJack's BLIPSPOT for: THU 08/20 Waynesboro_VA 1437ft pt32142@38.180,-78.911,1424ft BLIPSPOT sfc.temp. adjusted by +0.0 degF SPONSORED BY: Shenandoah Valley Soaring www.svsoar.org RUC - Last Analysis,Validation Time = 09Z 21Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - - - - - - - 0959z - - - Update Time FCST PERIOD - - - - - - - - - 12 hr - - - FCST PERIOD Temp@2m - - - - - - - - - 83.5 - - - Temp@2m Sfc.Heating - - - - - - - - - -43 - - - Sfc.Heating BL Depth - - - - - - - - - 16 - - - BL Depth Hcrit - - - - - - - - - 1278 - - - Hcrit BL Top - - - - - - - - - 1296 - - - BL Top Hgt.Variab. - - - - - - - - - 8209 - - - Hgt.Variab. W* - - - - - - - - - 30 - - - W* B/S - - - - - - - - - 1 - - - B/S BL Wind - - - - - - - - - 7 - - - BL Wind Direction - - - - - - - - - 256 - - - Direction Wind Shear - - - - - - - - - 0 - - - Wind Shear Max.Converg - - - - - - - - - 3 - - - Max.Converg CLOUDpotent - - - - - - - - - -3820 - - - CLOUDpotentl sfcLCL - - - - - - - - - 5116 - - - sfcLCL ODpotential - - - - - - - - - -5215 - - - ODpotential blCL - - - - - - - - - 6511 - - - blCL maxRH - - - - - - - - - 89 - - - maxRH CAPE - - - - - - - - - 830 - - - CAPE Temp@2m - - - - - - - - - 83.5 - - - Temp@2m DewPt@2m - - - - - - - - - 65.4 - - - DewPt@2m Temp@Bot - - - - - - - - - 85.2 - - - Temp@Bot DewPt@Bot - - - - - - - - - 64.0 - - - DewPt@bot Sfc.Heating - - - - - - - - - -43 - - - Sfc.Heating BL Depth - - - - - - - - - 16 - - - BL Depth EXPERIMENT - - - - - - - - - 55 - - - EXPERIMENT EXPERIMENT2 - - - - - - - - - 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] 99142 17 078 99142 91724 21 087 91724 85986 24 092 85986 81216 25 091 81216 77109 19 090 77109 73483 12 077 73483 70194 6 105 70194 67166 5 190 67166 64351 11 194 64351 61625 10 179 61625 58804 12 233 58804 55913 27 252 55913 53190 39 246 53190 50768 48 236 50768 48611 53 234 48611 46652 55 228 46652 44852 58 227 44852 43178 61 226 43178 41602 60 220 41602 40109 59 219 40109 38695 58 227 38695 37325 60 237 37325 35930 56 229 35930 34482 53 226 34482 32990 49 233 32990 31434 46 239 31434 29801 44 246 29801 28093 41 250 28093 26308 41 252 26308 24448 40 248 24448 22517 39 245 22517 20511 39 246 20511 18431 43 247 18431 16323 48 244 16323 14296 45 242 14296 12450 38 243 12450 10807 33 252 10807 9350 27 259 9350 8054 18 250 8054 6899 16 250 6899 5872 15 252 5872 4965 15 252 4965 4160 15 253 4160 3437 14 254 3437 2797 14 254 2797 2261 13 254 2261 1850 12 254 1850 1566 11 255 1566 1394 10*256 1394 1295 7*256 1295 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