DrJack's BLIPSPOT for: THU 07/17 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 = 12Z 0Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - - - - 0659z - - 1002z - - 1331z Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 90.6 - - 89.6 - - 83.4 Temp@2m Sfc.Heating - - - - - - 137 - - 49 - - -24 Sfc.Heating BL Depth - - - - - - 5284 - - 78 - - 78 BL Depth Hcrit - - - - - - 4047 - - 771 - - 771 Hcrit BL Top - - - - - - 5993 - - 787 - - 787 BL Top Hgt.Variab. - - - - - - 2181 - - 6959 - - 4283 Hgt.Variab. W* - - - - - - 390 - - 72 - - 28 W* B/S - - - - - - 5 - - 1 - - 1 B/S BL Wind - - - - - - 15 - - 9 - - 5 BL Wind Direction - - - - - - 253 - - 265 - - 287 Direction Wind Shear - - - - - - 9 - - 0 - - 0 Wind Shear Max.Converg - - - - - - 5 - - 1 - - 1 Max.Converg CLOUDpotent - - - - - - 305 - - -4999 - - -2427 CLOUDpotentl sfcLCL - - - - - - 5688 - - 5786 - - 3214 sfcLCL ODpotential - - - - - - -1152 - - -5896 - - -4302 ODpotential blCL - - - - - - 7145 - - 6683 - - 5089 blCL maxRH - - - - - - 83 - - 80 - - 74 maxRH CAPE - - - - - - 1310 - - 760 - - 1910 CAPE Temp@2m - - - - - - 90.6 - - 89.6 - - 83.4 Temp@2m DewPt@2m - - - - - - 68.2 - - 66.8 - - 71.6 DewPt@2m Temp@Bot - - - - - - 89.5 - - 89.1 - - 84.4 Temp@Bot DewPt@Bot - - - - - - 67.0 - - 65.7 - - 71.1 DewPt@bot Sfc.Heating - - - - - - 137 - - 49 - - -24 Sfc.Heating BL Depth - - - - - - 5284 - - 78 - - 78 BL Depth EXPERIMENT - - - - - - 31 - - 20 - - 0 EXPERIMENT EXPERIMENT2 - - - - - - 14 - - 14 - - 17 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] 99065 41 079 35 094 29 075 99065 91642 37 074 30 081 31 078 91642 85905 29 073 30 078 27 089 85905 81133 25 083 26 085 24 096 81133 77012 18 087 21 090 19 092 77012 73369 14 096 19 100 17 083 73369 70083 13 105 17 099 14 075 70083 67071 14 101 13 095 10 082 67071 64287 13 106 9 094 7 088 64287 61603 11 110 1 051 1 069 61603 58818 4 092 6 282 3 180 58818 55953 4 238 9 269 5 217 55953 53245 7 225 8 268 7 295 53245 50833 21 261 21 273 21 283 50833 48699 27 269 20 275 18 278 48699 46773 31 275 30 293 16 280 46773 45000 33 272 26 289 13 252 45000 43344 31 262 18 310 15 244 43344 41784 27 261 15 329 16 258 41784 40308 22 274 14 315 16 274 40308 38906 22 295 12 287 14 276 38906 37542 26 301 14 267 13 269 37542 36147 25 293 13 283 14 259 36147 34693 27 284 13 315 14 250 34693 33183 29 283 15 324 15 251 33183 31603 30 284 16 305 17 255 31603 29940 32 282 15 282 18 256 29940 28195 34 278 19 274 19 263 28195 26370 30 277 25 279 23 273 26370 24469 28 276 28 285 28 276 24469 22498 27 275 30 284 28 277 22498 20453 29 266 33 285 27 281 20453 18330 28 265 34 290 26 281 18330 16167 25 267 29 289 24 279 16167 14081 25 268 23 280 21 281 14081 12183 25 271 21 271 20 282 12183 10495 26 277 25 276 21 277 10495 8995 27 276 29 280 24 273 8995 7662 25 266 30 277 26 272 7662 6478 20*256 27 271 26 272 6478 5429 18*253 22 267 24 272 5429 4503 17 253 21 266 23 272 4503 3685 16 253 19 265 22 274 3685 2952 16 253 18 265 20 277 2952 2304 15 253 17 266 18 280 2304 1762 14 254 16 266 16 283 1762 1346 13 254 15 265 15 284 1346 1060 12 254 13 266 12 286 1060 887 11 254 12 265 9 287 887 787 9 254 9*265 5*287 787 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