DrJack's BLIPSPOT for: THU 04/02 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 - - - - - - 0953z - - 1001z - - 1334z Update Time FCST PERIOD - - - - - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 65.2 - - 62.2 - - 55.4 Temp@2m Sfc.Heating - - - - - - 104 - - 80 - - 27 Sfc.Heating BL Depth - - - - - - 1545 - - 740 - - 76 BL Depth Hcrit - - - - - - 1057 - - 769 - - 768 Hcrit BL Top - - - - - - 2254 - - 1449 - - 785 BL Top Hgt.Variab. - - - - - - 686 - - 830 - - 1218 Hgt.Variab. W* - - - - - - 229 - - 162 - - 52 W* B/S - - - - - - 5 - - 2 - - 1 B/S BL Wind - - - - - - 8 - - 12 - - 8 BL Wind Direction - - - - - - 106 - - 109 - - 106 Direction Wind Shear - - - - - - 3 - - 5 - - 0 Wind Shear Max.Converg - - - - - - -2 - - -5 - - -2 Max.Converg CLOUDpotent - - - - - - 375 - - -83 - - -319 CLOUDpotentl sfcLCL - - - - - - 1879 - - 1533 - - 1105 sfcLCL ODpotential - - - - - - 108 - - -5277 - - -404 ODpotential blCL - - - - - - 2146 - - 6726 - - 1189 blCL maxRH - - - - - - 100 - - 99 - - 100 maxRH CAPE - - - - - - 110 - - 40 - - 290 CAPE Temp@2m - - - - - - 65.2 - - 62.2 - - 55.4 Temp@2m DewPt@2m - - - - - - 59.7 - - 58.3 - - 53.5 DewPt@2m Temp@Bot - - - - - - 64.0 - - 61.2 - - 54.8 Temp@Bot DewPt@Bot - - - - - - 58.9 - - 57.8 - - 53.3 DewPt@bot Sfc.Heating - - - - - - 104 - - 80 - - 27 Sfc.Heating BL Depth - - - - - - 1545 - - 740 - - 76 BL Depth EXPERIMENT - - - - - - 101 - - 96 - - 102 EXPERIMENT EXPERIMENT2 - - - - - - 10 - - 10 - - 9 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] 96794 25 226 37 244 40 267 96794 89568 29 246 30 248 29 262 89568 83994 25 253 24 265 19 264 83994 79380 18 257 17 278 15 281 79380 75433 14 267 14 275 13 284 75433 71941 15 274 13 284 12 278 71941 68760 14 279 9 298 12 284 68760 65817 15 288 12 320 15 297 65817 63072 18 281 20 286 19 293 63072 60399 18 263 26 266 22 282 60399 57614 18 256 25 253 26 283 57614 54744 24 269 25 273 27 281 54744 52036 29 272 31 281 27 284 52036 49638 28 271 34 273 34 280 49638 47538 24 264 21 260 20 261 47538 45657 18 279 17 316 9 285 45657 43926 47 327 36 329 31 324 43926 42321 44 324 37 323 33 315 42321 40815 33 322 31 310 22 319 40815 39393 25 329 24 296 12 313 39393 38042 16 335 17 285 16 302 38042 36724 7 335 6 278 17 282 36724 35377 6 304 8 197 14 220 35377 33971 8 314 9 199 18 193 33971 32508 7 316 8 190 19 208 32508 30974 4 251 16 214 24 231 30974 29356 15 235 23 230 24 244 29356 27654 19 235 23 233 25 241 27654 25867 20 235 21 230 26 229 25867 24005 20 231 22 229 27 219 24005 22071 23 225 27 228 29 215 22071 20061 26 225 27 230 25 215 20061 17967 27 229 24 236 24 219 17967 15831 29 230 23 237 22 217 15831 13772 30 230 23 233 21 219 13772 11898 30 227 24 236 23 225 11898 10235 27 223 26 233 26 230 10235 8757 22 225 25 227 28 223 8757 7442 18 230 23 222 30 215 7442 6277 17 230 21 218 29 211 6277 5245 16 223 19 212 28 200 5245 4337 15 208 18 202 27 188 4337 3538 12 193 19 179 24 176 3538 2828 9*165 19 164 21 157 2828 2208 8*118 16 139 19 122 2208 1697 9 108 14*115 17 113 1697 1307 9 104 14*110 16 110 1307 1040 8 101 13 109 14 108 1040 878 8 099 12 108 12*107 878 785 6 097 9 106 8*106 785 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