DrJack's BLIPSPOT for: THU 08/20 Garner_VA 80ft pt30347@-76.630,36.871,32ft BLIPSPOT sfc.temp. adjusted by +0.2 degF SPONSORED BY: Tidewater Soaring Society 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 - - - - - - - - - 92.8 - - - Temp@2m Sfc.Heating - - - - - - - - - 90 - - - Sfc.Heating BL Depth - - - - - - - - - 5157 - - - BL Depth Hcrit - - - - - - - - - 2969 - - - Hcrit BL Top - - - - - - - - - 5237 - - - BL Top Hgt.Variab. - - - - - - - - - 2975 - - - Hgt.Variab. W* - - - - - - - - - 328 - - - W* B/S - - - - - - - - - 4 - - - B/S BL Wind - - - - - - - - - 15 - - - BL Wind Direction - - - - - - - - - 202 - - - Direction Wind Shear - - - - - - - - - 7 - - - Wind Shear Max.Converg - - - - - - - - - -2 - - - Max.Converg CLOUDpotent - - - - - - - - - -18 - - - CLOUDpotentl sfcLCL - - - - - - - - - 5256 - - - sfcLCL ODpotential - - - - - - - - - -1237 - - - ODpotential blCL - - - - - - - - - 6474 - - - blCL maxRH - - - - - - - - - 81 - - - maxRH CAPE - - - - - - - - - 1630 - - - CAPE Temp@2m - - - - - - - - - 92.8 - - - Temp@2m DewPt@2m - - - - - - - - - 70.0 - - - DewPt@2m Temp@Bot - - - - - - - - - 92.3 - - - Temp@Bot DewPt@Bot - - - - - - - - - 69.4 - - - DewPt@bot Sfc.Heating - - - - - - - - - 90 - - - Sfc.Heating BL Depth - - - - - - - - - 5157 - - - BL Depth EXPERIMENT - - - - - - - - - 26 - - - 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] 99113 22 074 99113 91669 27 083 91669 85937 28 089 85937 81189 25 079 81189 77094 18 074 77094 73465 12 093 73465 70173 13 123 70173 67149 13 133 67149 64350 8 153 64350 61653 7 189 61653 58856 5 251 58856 55970 16 255 55970 53263 26 235 53263 50877 35 233 50877 48746 40 225 48746 46797 41 214 46797 44997 39 211 44997 43319 34 209 43319 41739 31 212 41739 40246 31 212 40246 38827 33 210 38827 37447 34 211 37447 36038 35 216 36038 34570 36 220 34570 33046 36 226 33046 31452 36 229 31452 29776 35 229 29776 28018 32 230 28018 26178 30 238 26178 24255 30 246 24255 22253 31 255 22253 20167 28 258 20167 17992 23 257 17992 15774 21 257 15774 13636 24 272 13636 11695 22 267 11695 9974 18 253 9974 8444 16 244 8444 7086 15 234 7086 5880 15*223 5880 4812 15*209 4812 3870 15 205 3870 3038 15 202 3038 2294 15 201 2294 1636 15 199 1636 1087 14 198 1087 666 14 198 666 377 13 198 377 202 12 197 202 101 9 197 101 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