DrJack's BLIPSPOT for: WED 04/23 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 - - 0955z - - 1000z - - 1332z Update Time FCST PERIOD - - - 9 hr - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - 64.0 - - 73.2 - - 75.8 - - 67.8 Temp@2m Sfc.Heating - - - 235 - - 333 - - 136 - - -12 Sfc.Heating BL Depth - - - 2037 - - 3793 - - 77 - - 76 BL Depth Hcrit - - - 1825 - - 3254 - - 769 - - 769 Hcrit BL Top - - - 2746 - - 4502 - - 786 - - 785 BL Top Hgt.Variab. - - - 1084 - - 1498 - - 6430 - - 4586 Hgt.Variab. W* - - - 320 - - 441 - - 90 - - 12 W* B/S - - - 9 - - 15 - - 5 - - 1 B/S BL Wind - - - 7 - - 5 - - 3 - - 4 BL Wind Direction - - - 039 - - 088 - - 096 - - 065 Direction Wind Shear - - - 2 - - 3 - - 0 - - 0 Wind Shear Max.Converg - - - -2 - - -2 - - 0 - - 0 Max.Converg CLOUDpotent - - - -4877 - - -6209 - - -10166 - - -7254 CLOUDpotentl sfcLCL - - - 7623 - - 10711 - - 10953 - - 8040 sfcLCL ODpotential - - - -10902 - - -11287 - - -13016 - - -11337 ODpotential blCL - - - 13648 - - 15789 - - 13802 - - 12122 blCL maxRH - - - 72 - - 81 - - 64 - - 56 maxRH CAPE - - - 0 - - 0 - - 0 - - 0 CAPE Temp@2m - - - 64.0 - - 73.2 - - 75.8 - - 67.8 Temp@2m DewPt@2m - - - 33.8 - - 28.9 - - 30.4 - - 35.9 DewPt@2m Temp@Bot - - - 62.1 - - 70.8 - - 74.3 - - 70.5 Temp@Bot DewPt@Bot - - - 32.7 - - 27.8 - - 29.3 - - 34.9 DewPt@bot Sfc.Heating - - - 235 - - 333 - - 136 - - -12 Sfc.Heating BL Depth - - - 2037 - - 3793 - - 77 - - 76 BL Depth EXPERIMENT - - - 0 - - 23 - - 0 - - 0 EXPERIMENT EXPERIMENT2 - - - 4 - - 3 - - 4 - - 4 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] 97687 7 121 7 167 14 201 11 264 97687 90310 10 138 7 168 2 240 2 305 90310 84603 14 129 9 157 4 238 3 072 84603 79858 8 097 6 148 7 210 6 046 79858 75758 6 067 9 137 7 203 5 306 75758 72134 2 046 4 158 4 269 7 269 72134 68860 9 246 5 268 5 265 6 267 68860 65848 15 259 12 274 15 279 11 299 65848 63047 13 249 14 250 17 262 16 297 63047 60345 12 274 15 257 18 242 24 271 60345 57539 25 269 25 264 17 261 22 262 57539 54627 28 257 29 265 25 280 25 271 54627 51849 29 249 33 264 36 268 26 264 51849 49357 34 258 33 261 41 257 35 268 49357 47146 46 257 38 264 41 251 37 269 47146 45156 48 245 44 261 45 258 41 273 45156 43350 42 236 43 254 47 256 56 268 43350 41708 37 240 39 253 44 255 49 263 41708 40198 39 249 38 258 42 255 43 277 40198 38790 49 248 39 261 40 256 38 264 38790 37461 56 239 40 258 39 250 40 258 37461 36169 52 233 39 248 38 242 46 258 36169 34849 52 234 36 243 40 244 46 260 34849 33472 52 242 36 247 42 250 43 260 33472 32038 44 246 37 248 43 251 40 261 32038 30535 35 246 35 246 39 253 37 262 30535 28949 30 253 32 251 32 263 34 268 28949 27284 27 258 30 257 28 273 29 276 27284 25539 23 259 26 256 25 271 29 281 25539 23719 21 261 21 255 22 262 28 279 23719 21824 18 263 17 255 19 262 21 277 21824 19847 12 259 13 260 13 266 18 278 19847 17780 6 237 9 257 9 271 12 244 17780 15674 6 257 7 248 7 257 9 228 15674 13649 7 296 6 267 6 267 6 261 13649 11811 11 327 8 313 7 315 7 318 11811 10176 13 326 10 326 10 324 7 332 10176 8722 9 333 9 347 10 330 7 326 8722 7428 8 348 7 011 4 350 7 316 7428 6278 8 353 7 039 4 120 3 293 6278 5262 12 003 6*085 5 119 3 128 5262 4368 14 019 6*091 5 116 5 110 4368 3578 13 034 6 091 5 112 6 100 3578 2871 8*042 6 090 5 108 6 092 2871 2246 7*041 6 089 5 105 6 087 2246 1724 7 041 5 085 4 102 6 082 1724 1324 7 039 5 084 4 098 6 077 1324 1048 6 036 4 081 4 097 6 072 1048 881 6 036 4 080 4*096 6 069 881 785 5 037 4 079 3*096 4*065 785 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