DrJack's BLIPSPOT for: THU 08/20 Atkins_VA 2558ft pt29724@36.958,-81.342,2720ft SPONSORED BY: Randy Newberry BLIPSPOT sfc.temp. adjusted by -0.5 degF 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 - - - - - - - - - 79.0 - - - Temp@2m Sfc.Heating - - - - - - - - - 89 - - - Sfc.Heating BL Depth - - - - - - - - - 260 - - - BL Depth Hcrit - - - - - - - - - 2801 - - - Hcrit BL Top - - - - - - - - - 2818 - - - BL Top Hgt.Variab. - - - - - - - - - 5940 - - - Hgt.Variab. W* - - - - - - - - - 125 - - - W* B/S - - - - - - - - - 3 - - - B/S BL Wind - - - - - - - - - 8 - - - BL Wind Direction - - - - - - - - - 252 - - - Direction Wind Shear - - - - - - - - - 0 - - - Wind Shear Max.Converg - - - - - - - - - -1 - - - Max.Converg CLOUDpotent - - - - - - - - - -2812 - - - CLOUDpotentl sfcLCL - - - - - - - - - 5630 - - - sfcLCL ODpotential - - - - - - - - - -3952 - - - ODpotential blCL - - - - - - - - - 6770 - - - blCL maxRH - - - - - - - - - 77 - - - maxRH CAPE - - - - - - - - - 890 - - - CAPE Temp@2m - - - - - - - - - 79.0 - - - Temp@2m DewPt@2m - - - - - - - - - 63.6 - - - DewPt@2m Temp@Bot - - - - - - - - - 77.8 - - - Temp@Bot DewPt@Bot - - - - - - - - - 62.7 - - - DewPt@bot Sfc.Heating - - - - - - - - - 89 - - - Sfc.Heating BL Depth - - - - - - - - - 260 - - - BL Depth EXPERIMENT - - - - - - - - - 8 - - - 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] 99095 20 079 99095 91660 26 087 91660 85935 28 092 85935 81188 26 084 81188 77091 19 076 77091 73456 12 096 73456 70158 10 111 70158 67130 7 127 67130 64328 10 166 64328 61618 7 177 61618 58813 10 236 58813 55938 21 239 55938 53227 31 244 53227 50811 38 237 50811 48655 44 237 48655 46694 48 230 46694 44895 50 227 44895 43223 53 227 43223 41648 55 221 41648 40159 53 219 40159 38750 51 225 38750 37388 51 234 37388 36011 47 238 36011 34590 42 224 34590 33129 39 230 33129 31614 38 241 31614 30030 35 247 30030 28379 36 255 28379 26661 34 261 26661 24879 33 262 24879 23038 34 263 23038 21136 36 263 21136 19167 36 262 19167 17167 33 266 17167 15248 32 264 15248 13508 31 257 13508 11960 27 256 11960 10580 24 263 10580 9346 22 268 9346 8244 18 262 8244 7262 16 254 7262 6390 16 251 6390 5614 16 251 5614 4915 15 252 4915 4292 14 252 4292 3768 13 252 3768 3364 13 252 3364 3085 12 253 3085 2915 10*253 2915 2818 8*252 2818 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