DrJack's BLIPSPOT for: TUE 07/28 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 - - - - - - 0659z - - 1002z - - - Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - - FCST PERIOD Temp@2m - - - - - - 72.8 - - 73.5 - - - Temp@2m Sfc.Heating - - - - - - 38 - - 33 - - - Sfc.Heating BL Depth - - - - - - 260 - - 260 - - - BL Depth Hcrit - - - - - - 2801 - - 2801 - - - Hcrit BL Top - - - - - - 2818 - - 2818 - - - BL Top Hgt.Variab. - - - - - - 2317 - - 2543 - - - Hgt.Variab. W* - - - - - - 93 - - 89 - - - W* B/S - - - - - - 2 - - 2 - - - B/S BL Wind - - - - - - 8 - - 9 - - - BL Wind Direction - - - - - - 245 - - 274 - - - Direction Wind Shear - - - - - - 0 - - 0 - - - Wind Shear Max.Converg - - - - - - 0 - - -2 - - - Max.Converg CLOUDpotent - - - - - - 0 - - 0 - - - CLOUDpotentl sfcLCL - - - - - - 2818 - - 2818 - - - sfcLCL ODpotential - - - - - - -533 - - -811 - - - ODpotential blCL - - - - - - 3351 - - 3629 - - - blCL maxRH - - - - - - 100 - - 100 - - - maxRH CAPE - - - - - - 2270 - - 2220 - - - CAPE Temp@2m - - - - - - 72.8 - - 73.5 - - - Temp@2m DewPt@2m - - - - - - 70.4 - - 70.2 - - - DewPt@2m Temp@Bot - - - - - - 72.1 - - 73.0 - - - Temp@Bot DewPt@Bot - - - - - - 70.1 - - 69.9 - - - DewPt@bot Sfc.Heating - - - - - - 38 - - 33 - - - Sfc.Heating BL Depth - - - - - - 260 - - 260 - - - BL Depth EXPERIMENT - - - - - - 99 - - 100 - - - EXPERIMENT EXPERIMENT2 - - - - - - 18 - - 18 - - - 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] 99342 45 095 31 090 99342 91843 38 086 34 089 91843 86045 32 086 33 084 86045 81243 29 085 28 087 81243 77113 24 082 25 090 77113 73466 22 084 20 093 73466 70175 21 073 17 078 70175 67161 13 055 14 060 67161 64383 7 074 7 032 64383 61698 8 073 5 359 61698 58900 11 333 11 318 58900 56011 7 309 16 300 56011 53275 33 312 29 311 53275 50837 40 301 41 306 50837 48652 43 301 47 305 48652 46655 55 318 55 315 46655 44814 74 322 67 320 44814 43103 81 317 75 320 43103 41497 82 313 78 320 41497 39986 81 315 82 320 39986 38564 81 315 84 318 38564 37190 79 314 81 316 37190 35801 78 312 75 312 35801 34372 77 309 69 305 34372 32913 72 306 64 298 32913 31407 65 304 65 298 31407 29838 57 300 62 298 29838 28203 54 292 55 296 28203 26506 53 291 52 294 26506 24749 48 301 49 293 24749 22938 43 310 45 294 22938 21064 39 309 40 296 21064 19120 39 307 35 291 19120 17143 38 302 35 292 17143 15237 33 292 38 279 15237 13497 30 284 39 278 13497 11946 29 280 38 277 11946 10569 32 281 37 276 10569 9340 34 281 35 276 9340 8239 34 276 32 275 8239 7256 31 270 31 274 7256 6383 30 265 30 275 6383 5606 28 260 29 275 5606 4907 25 255 28 275 4907 4286 24 253 27 276 4286 3764 20 250 23 275 3764 3362 17 247 21 275 3362 3084 15 246 18 275 3084 2915 13*246 16*274 2915 2818 8*245 9*274 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