DrJack's BLIPSPOT for: MON 04/06 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 - - 1333z Update Time FCST PERIOD - - - 9 hr - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - 49.7 - - 58.5 - - 58.8 - - 53.6 Temp@2m Sfc.Heating - - - 245 - - 373 - - 89 - - -13 Sfc.Heating BL Depth - - - 2852 - - 6719 - - 6489 - - 76 BL Depth Hcrit - - - 2437 - - 5594 - - 4479 - - 768 Hcrit BL Top - - - 3561 - - 7428 - - 7198 - - 785 BL Top Hgt.Variab. - - - 1349 - - 1749 - - 3149 - - 5949 Hgt.Variab. W* - - - 364 - - 554 - - 343 - - 18 W* B/S - - - 5 - - 6 - - 3 - - 1 B/S BL Wind - - - 14 - - 18 - - 21 - - 5 BL Wind Direction - - - 295 - - 276 - - 281 - - 328 Direction Wind Shear - - - 7 - - 13 - - 16 - - 0 Wind Shear Max.Converg - - - 5 - - 5 - - 11 - - 2 Max.Converg CLOUDpotent - - - -3019 - - -1217 - - -541 - - -4593 CLOUDpotentl sfcLCL - - - 6580 - - 8645 - - 7739 - - 5378 sfcLCL ODpotential - - - -10035 - - -6675 - - -1291 - - -5710 ODpotential blCL - - - 13596 - - 14103 - - 8489 - - 6495 blCL maxRH - - - 45 - - 64 - - 99 - - 97 maxRH CAPE - - - 0 - - 0 - - 30 - - 20 CAPE Temp@2m - - - 49.7 - - 58.5 - - 58.8 - - 53.6 Temp@2m DewPt@2m - - - 23.7 - - 22.9 - - 27.5 - - 33.0 DewPt@2m Temp@Bot - - - 48.0 - - 56.3 - - 58.0 - - 53.9 Temp@Bot DewPt@Bot - - - 22.6 - - 21.9 - - 26.6 - - 32.5 DewPt@bot Sfc.Heating - - - 245 - - 373 - - 89 - - -13 Sfc.Heating BL Depth - - - 2852 - - 6719 - - 6489 - - 76 BL Depth EXPERIMENT - - - 0 - - 0 - - 96 - - 88 EXPERIMENT EXPERIMENT2 - - - 2 - - 2 - - 3 - - 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] 96617 24 246 26 234 29 253 30 269 96617 89270 25 234 17 253 22 247 28 252 89270 83688 15 242 9 237 15 246 22 252 83688 79067 13 245 12 228 14 241 18 261 79067 75085 12 220 10 243 15 240 19 249 75085 71564 11 226 9 214 16 235 19 219 71564 68354 14 205 16 212 17 235 17 226 68354 65377 19 214 21 225 25 236 25 253 65377 62617 28 238 29 228 27 233 35 235 62617 59951 38 258 31 255 32 250 36 242 59951 57165 44 257 43 261 43 253 43 248 57165 54259 46 253 50 254 50 251 48 249 54259 51461 52 253 54 251 55 252 51 250 51461 48927 60 254 61 252 61 250 60 255 48927 46651 67 254 68 250 67 251 69 257 46651 44591 71 251 75 249 73 251 79 255 44591 42719 74 250 77 251 80 252 90 252 42719 41013 80 256 85 256 92 252 102 250 41013 39453 101 259 100 254 108 251 114 247 39453 38013 127 256 122 250 124 247 128 245 38013 36664 135 254 136 248 141 246 142 244 36664 35358 134 251 140 248 147 246 142 244 35358 34026 127 250 136 248 137 247 126 243 34026 32640 116 252 119 249 121 250 113 246 32640 31208 110 252 110 252 109 254 109 252 31208 29714 105 251 104 253 103 256 106 254 29714 28145 96 251 98 255 101 258 100 256 28145 26505 90 252 96 259 98 262 93 260 26505 24790 88 253 93 262 94 265 90 262 24790 23004 85 255 86 264 90 266 86 266 23004 21148 80 257 79 265 81 267 81 272 21148 19216 74 257 74 264 73 266 77 277 19216 17202 68 259 70 264 68 264 70 274 17202 15148 62 263 66 265 63 265 65 271 15148 13173 57 268 62 267 58 267 59 270 13173 11389 50 272 54 272 45 266 48 264 11389 9818 42 278 43 277 28 266 35 253 9818 8428 39 285 31*278 27*268 30 251 8428 7189 36 288 23*276 26*271 27 250 7189 6085 31 293 22 276 24 275 22 252 6085 5107 26 298 19 275 22 279 19 258 5107 4243 20*297 18 276 21 281 16 269 4243 3480 16*294 17 276 21 283 15 282 3480 2797 15 295 16 276 20 285 14 295 2797 2194 15 295 15 277 19 287 14 305 2194 1690 14 296 14 277 19 287 13 313 1690 1304 13 296 14 277 18 288 12 318 1304 1038 12 297 13 277 17 289 10 322 1038 877 11 296 12 278 15 289 8*326 877 785 9 297 10 278 11 289 5*328 785 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