DrJack's BLIPSPOT for: TUE 12/02 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 - - 1334z Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 40.0 - - 40.9 - - 32.2 Temp@2m Sfc.Heating - - - - - - 0 - - -17 - - -31 Sfc.Heating BL Depth - - - - - - 75 - - 74 - - 74 BL Depth Hcrit - - - - - - 767 - - 767 - - 767 Hcrit BL Top - - - - - - 784 - - 783 - - 783 BL Top Hgt.Variab. - - - - - - 734 - - 2897 - - 2204 Hgt.Variab. W* - - - - - - 14 - - 28 - - 18 W* B/S - - - - - - 2 - - 1 - - 0 B/S BL Wind - - - - - - 1 - - 9 - - 8 BL Wind Direction - - - - - - 314 - - 303 - - 301 Direction Wind Shear - - - - - - 0 - - 0 - - 0 Wind Shear Max.Converg - - - - - - 0 - - 3 - - 1 Max.Converg CLOUDpotent - - - - - - -140 - - -1006 - - -488 CLOUDpotentl sfcLCL - - - - - - 924 - - 1789 - - 1271 sfcLCL ODpotential - - - - - - -6294 - - -1391 - - -1311 ODpotential blCL - - - - - - 7078 - - 2174 - - 2094 blCL maxRH - - - - - - 100 - - 97 - - 90 maxRH CAPE - - - - - - 20 - - 0 - - 0 CAPE Temp@2m - - - - - - 40.0 - - 40.9 - - 32.2 Temp@2m DewPt@2m - - - - - - 38.6 - - 35.8 - - 29.6 DewPt@2m Temp@Bot - - - - - - 39.7 - - 41.0 - - 33.1 Temp@Bot DewPt@Bot - - - - - - 38.3 - - 35.1 - - 29.2 DewPt@bot Sfc.Heating - - - - - - 0 - - -17 - - -31 Sfc.Heating BL Depth - - - - - - 75 - - 74 - - 74 BL Depth EXPERIMENT - - - - - - 101 - - 87 - - 62 EXPERIMENT EXPERIMENT2 - - - - - - 5 - - 4 - - 3 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] 96216 4 337 20 042 14 053 96216 89096 11 306 9 001 8 010 89096 83567 4 322 4 319 11 316 83567 78982 10 001 3 050 6 324 78982 75008 14 343 9 004 5 340 75008 71463 9 282 17 298 11 306 71463 68231 7 260 18 251 20 270 68231 65258 20 299 16 250 28 245 65258 62501 37 271 27 264 30 256 62501 59825 44 253 44 259 42 260 59825 57036 44 252 47 253 52 256 57036 54142 59 255 56 255 57 251 54142 51381 69 254 65 252 59 252 51381 48902 78 252 72 252 62 256 48902 46683 86 248 85 248 71 254 46683 44670 90 244 87 240 76 244 44670 42822 93 240 81 237 71 236 42822 41108 98 239 81 242 69 242 41108 39507 105 236 90 246 80 250 39507 38011 109 231 96 243 103 248 38011 36613 110 229 97 240 110 241 36613 35270 109 228 96 236 94 233 35270 33912 110 225 97 234 76 230 33912 32503 111 219 93 230 65 242 32503 31050 107 214 85 230 72 249 31050 29538 101 210 77 234 77 247 29538 27955 96 210 77 237 78 243 27955 26302 94 210 78 234 80 242 26302 24582 95 213 85 229 76 248 24582 22803 99 217 85 226 65 250 22803 20961 99 223 83 225 58 241 20961 19043 85 229 80 227 54 243 19043 17041 67 230 72 230 51 249 17041 14997 61 227 58 233 48 250 14997 13024 58 223 49 239 43 251 13024 11231 53 224 42 249 37 257 11231 9645 50 229 37 256 31 268 9645 8243 44 235 29 259 27 279 8243 7002 38 239 24 267 23 290 7002 5907 34 241 26 284 23 309 5907 4946 30 245 31 291 27 320 4946 4106 25 251 32 294 33 317 4106 3369 20 260 28 298 37 309 3369 2713 16 267 26 301 38 305 2713 2135 15 260 25 302 35 305 2135 1652 14 249 23 302 31 305 1652 1281 9 251 21 303 25 304 1281 1027 4 267 18 304 18 303 1027 872 2*285 14 304 15 303 872 783 1*314 9*303 8*301 783 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