DrJack's BLIPSPOT for: FRI 09/04 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 - - - - - - 0953z - - 1001z - - 1333z Update Time FCST PERIOD - - - - - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 86.9 - - 87.9 - - 80.0 Temp@2m Sfc.Heating - - - - - - 172 - - 23 - - -4 Sfc.Heating BL Depth - - - - - - 2844 - - 78 - - 78 BL Depth Hcrit - - - - - - 2319 - - 771 - - 771 Hcrit BL Top - - - - - - 3553 - - 787 - - 787 BL Top Hgt.Variab. - - - - - - 2360 - - 6085 - - 2753 Hgt.Variab. W* - - - - - - 332 - - 57 - - 11 W* B/S - - - - - - 8 - - 2 - - 1 B/S BL Wind - - - - - - 8 - - 6 - - 2 BL Wind Direction - - - - - - 308 - - 329 - - 247 Direction Wind Shear - - - - - - 4 - - 0 - - 0 Wind Shear Max.Converg - - - - - - -4 - - 2 - - 0 Max.Converg CLOUDpotent - - - - - - -735 - - -3852 - - -1228 CLOUDpotentl sfcLCL - - - - - - 4288 - - 4639 - - 2015 sfcLCL ODpotential - - - - - - -2554 - - -5294 - - -3864 ODpotential blCL - - - - - - 6107 - - 6081 - - 4651 blCL maxRH - - - - - - 77 - - 74 - - 72 maxRH CAPE - - - - - - 1880 - - 2150 - - 2420 CAPE Temp@2m - - - - - - 86.9 - - 87.9 - - 80.0 Temp@2m DewPt@2m - - - - - - 70.4 - - 70.0 - - 73.3 DewPt@2m Temp@Bot - - - - - - 85.4 - - 87.8 - - 81.6 Temp@Bot DewPt@Bot - - - - - - 69.4 - - 69.1 - - 72.6 DewPt@bot Sfc.Heating - - - - - - 172 - - 23 - - -4 Sfc.Heating BL Depth - - - - - - 2844 - - 78 - - 78 BL Depth EXPERIMENT - - - - - - 9 - - 0 - - 0 EXPERIMENT EXPERIMENT2 - - - - - - 15 - - 16 - - 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] 99031 6 115 1 280 10 022 99031 91610 8 103 5 185 5 006 91610 85841 7 144 0 298 2 169 85841 81044 4 241 5 011 5 097 81044 76909 2 192 3 001 6 094 76909 73262 1 281 3 011 1 096 73262 69982 1 075 4 175 5 326 69982 66976 3 350 2 028 8 333 66976 64185 7 011 1 083 6 267 64185 61498 10 305 10 288 13 268 61498 58718 12 222 15 257 16 279 58718 55854 27 297 30 299 37 299 55854 53169 48 283 53 282 54 287 53169 50782 56 280 62 286 57 290 50782 48641 62 286 64 289 60 293 48641 46677 65 287 66 290 62 293 46677 44860 67 285 67 290 63 290 44860 43166 65 283 67 289 65 288 43166 41578 59 280 63 287 66 287 41578 40085 54 278 56 284 63 285 40085 38677 46 281 47 280 55 280 38677 37318 35 283 37 276 43 270 37318 35935 32 288 32 279 37 260 35935 34494 33 296 30 284 33 264 34494 33000 32 301 29 285 29 269 33000 31436 31 304 27 282 28 278 31436 29790 33 302 25 287 33 282 29790 28062 33 293 26 290 37 287 28062 26253 36 298 32 288 36 298 26253 24366 39 302 36 289 45 298 24366 22405 39 297 34 289 49 296 22405 20365 36 295 31 295 47 296 20365 18246 33 291 31 297 43 294 18246 16096 31 291 31 296 37 290 16096 14029 28 292 31 294 33 293 14029 12146 25 297 30 292 28 297 12146 10470 25 306 30 292 24 296 10470 8978 28 310 31 294 23 292 8978 7649 29 310 28 295 23 290 7649 6466 28 307 24 295 22 288 6466 5418 24 303 18 294 18 286 5418 4494 18 300 14 300 14 287 4494 3678 13*299 13 307 11 297 3678 2946 10*303 11 316 11 308 2946 2300 9 306 11 322 11 312 2300 1760 8 309 10 325 10 312 1760 1345 7 311 10 327 9 309 1345 1059 7 311 9 329 6 299 1059 886 6 312 8 329 4*281 886 787 5 313 6*329 2*247 787 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