DrJack's BLIPSPOT for: THU 05/21 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 - - - - - - 62.1 - - 59.7 - - - Temp@2m Sfc.Heating - - - - - - 66 - - 84 - - - Sfc.Heating BL Depth - - - - - - 76 - - 1609 - - - BL Depth Hcrit - - - - - - 769 - - 769 - - - Hcrit BL Top - - - - - - 785 - - 2318 - - - BL Top Hgt.Variab. - - - - - - 2590 - - 782 - - - Hgt.Variab. W* - - - - - - 72 - - 211 - - - W* B/S - - - - - - 2 - - 3 - - - B/S BL Wind - - - - - - 7 - - 12 - - - BL Wind Direction - - - - - - 026 - - 021 - - - Direction Wind Shear - - - - - - 0 - - 5 - - - Wind Shear Max.Converg - - - - - - 2 - - 3 - - - Max.Converg CLOUDpotent - - - - - - -1312 - - 181 - - - CLOUDpotentl sfcLCL - - - - - - 2097 - - 2137 - - - sfcLCL ODpotential - - - - - - -1312 - - 113 - - - ODpotential blCL - - - - - - 2097 - - 2205 - - - blCL maxRH - - - - - - 100 - - 99 - - - maxRH CAPE - - - - - - 120 - - 70 - - - CAPE Temp@2m - - - - - - 62.1 - - 59.7 - - - Temp@2m DewPt@2m - - - - - - 55.7 - - 53.2 - - - DewPt@2m Temp@Bot - - - - - - 61.1 - - 58.7 - - - Temp@Bot DewPt@Bot - - - - - - 55.1 - - 52.8 - - - DewPt@bot Sfc.Heating - - - - - - 66 - - 84 - - - Sfc.Heating BL Depth - - - - - - 76 - - 1609 - - - BL Depth EXPERIMENT - - - - - - 98 - - 96 - - - EXPERIMENT EXPERIMENT2 - - - - - - 10 - - 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] 98200 14 104 12 181 98200 90780 3 134 3 133 90780 85057 6 077 7 134 85057 80309 6 097 4 136 80309 76232 5 130 4 007 76232 72636 3 197 8 353 72636 69387 6 249 5 296 69387 66411 7 263 10 244 66411 63665 8 232 16 253 63665 61007 10 233 21 243 61007 58224 18 241 20 254 58224 55338 22 246 28 251 55338 52598 33 247 37 237 52598 50145 36 223 45 228 50145 47959 37 241 45 240 47959 45994 51 246 49 247 45994 44212 48 249 55 249 44212 42572 54 259 56 247 42572 41040 56 261 54 242 41040 39593 56 260 53 244 39593 38219 53 256 52 244 38219 36882 46 247 51 241 36882 35513 45 245 49 240 35513 34086 47 250 47 242 34086 32603 47 256 45 245 32603 31051 43 256 42 246 31051 29419 37 249 40 244 29419 27705 34 234 40 243 27705 25907 33 234 40 243 25907 24030 30 238 40 244 24030 22076 28 236 38 245 22076 20043 29 238 33 244 20043 17927 27 242 27 246 17927 15776 24 250 24 245 15776 13714 22 254 23 230 13714 11848 23 234 21 225 11848 10191 23 225 19 232 10191 8715 19 232 13 235 8715 7402 13 245 7 245 7402 6237 10 256 6 269 6237 5208 8 230 4 249 5208 4307 5 185 3 163 4307 3520 7 085 6 065 3520 2822 11 039 12*034 2822 2211 11 035 13*026 2211 1702 11 031 13 022 1702 1311 11 029 12 020 1311 1042 10 028 12 018 1042 879 9 026 10 018 879 785 7*026 8 017 785 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