DrJack's BLIPSPOT for: WED 04/01 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 - - - 0653z - - 0702z - - 1002z - - 1332z Update Time FCST PERIOD - - - 9 hr - - 12 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - 75.1 - - 82.3 - - 81.2 - - 74.8 Temp@2m Sfc.Heating - - - 144 - - 261 - - -3 - - -7 Sfc.Heating BL Depth - - - 2881 - - 7554 - - 78 - - 77 BL Depth Hcrit - - - 2244 - - 6083 - - 770 - - 770 Hcrit BL Top - - - 3590 - - 8263 - - 787 - - 786 BL Top Hgt.Variab. - - - 3140 - - 1869 - - 10038 - - 1333 Hgt.Variab. W* - - - 311 - - 516 - - 26 - - 17 W* B/S - - - 5 - - 6 - - 1 - - 1 B/S BL Wind - - - 12 - - 15 - - 4 - - 4 BL Wind Direction - - - 239 - - 248 - - 247 - - 018 Direction Wind Shear - - - 6 - - 9 - - 0 - - 0 Wind Shear Max.Converg - - - -7 - - 2 - - 0 - - 1 Max.Converg CLOUDpotent - - - -2092 - - -210 - - -7331 - - -4247 CLOUDpotentl sfcLCL - - - 5682 - - 8473 - - 8118 - - 5033 sfcLCL ODpotential - - - -3675 - - -1119 - - -7987 - - -6483 ODpotential blCL - - - 7265 - - 9382 - - 8774 - - 7269 blCL maxRH - - - 84 - - 83 - - 84 - - 88 maxRH CAPE - - - 110 - - 50 - - 150 - - 540 CAPE Temp@2m - - - 75.1 - - 82.3 - - 81.2 - - 74.8 Temp@2m DewPt@2m - - - 53.1 - - 47.9 - - 48.5 - - 55.8 DewPt@2m Temp@Bot - - - 73.8 - - 80.5 - - 81.2 - - 75.6 Temp@Bot DewPt@Bot - - - 52.1 - - 46.9 - - 47.5 - - 55.6 DewPt@bot Sfc.Heating - - - 144 - - 261 - - -3 - - -7 Sfc.Heating BL Depth - - - 2881 - - 7554 - - 78 - - 77 BL Depth EXPERIMENT - - - 35 - - 31 - - 36 - - 51 EXPERIMENT EXPERIMENT2 - - - 8 - - 6 - - 7 - - 10 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] 96696 32 246 40 249 40 252 39 257 96696 89435 27 243 32 250 30 256 34 262 89435 83838 29 247 32 253 31 253 28 267 83838 79218 27 240 29 250 29 249 23 258 79218 75251 18 248 16 245 21 263 19 269 75251 71736 21 279 15 262 21 271 19 274 71736 68550 23 279 16 270 22 273 20 278 68550 65617 25 264 23 265 20 272 19 272 65617 62885 26 251 24 259 20 270 19 272 62885 60223 28 260 24 269 26 276 24 284 60223 57443 31 267 36 262 37 273 38 277 57443 54569 44 263 42 260 42 264 38 266 54569 51841 48 262 43 260 37 259 36 263 51841 49390 43 259 41 259 39 257 37 268 49390 47192 38 256 38 258 42 247 44 264 47192 45223 33 261 35 264 44 256 44 260 45223 43474 36 266 37 266 49 265 42 263 43474 41891 40 265 39 256 47 265 41 267 41891 40410 42 259 41 250 43 271 38 269 40410 39010 44 255 43 249 44 273 33 272 39010 37680 46 255 43 249 41 267 29 271 37680 36386 46 254 44 246 40 257 30 271 36386 35062 41 249 42 246 37 251 30 273 35062 33679 36 245 40 243 37 245 30 275 33679 32239 31 244 35 239 36 240 30 273 32239 30729 32 249 30 237 33 243 28 270 30729 29136 33 256 29 240 30 252 24 263 29136 27462 33 254 31 245 29 258 27 257 27462 25710 31 256 38 250 32 265 33 264 25710 23880 32 258 39 253 36 266 35 273 23880 21972 36 257 34 251 40 266 35 273 21972 19983 34 254 32 249 40 264 37 269 19983 17914 33 250 33 252 36 258 35 264 17914 15809 34 245 39 251 34 256 31 255 15809 13781 34 244 42 247 33 251 31 253 13781 11939 33 248 39 241 30 248 26 247 11939 10300 32 253 31 244 24 243 21 241 10300 8839 30 260 19*250 17 232 18 234 8839 7534 26 269 17*250 15 232 16 228 7534 6372 26 276 17 250 14 232 15 221 6372 5341 26 275 16 250 13 234 15 216 5341 4430 21 267 15 249 11 236 14 212 4430 3625 17*256 15 248 10 238 11 210 3625 2905 14*244 14 247 9 240 7 212 2905 2268 13 240 13 246 9 242 2 238 2268 1738 12 239 13 245 8 243 4 010 1738 1332 12 238 12 245 7 244 7 015 1332 1053 11 237 11 245 6 245 7 016 1053 883 10 237 10 245 5*247 6 017 883 786 8 237 8 245 4*247 4*018 786 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