DrJack's BLIPSPOT for: SUN 01/11 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 - - 1333z Update Time FCST PERIOD - - - - - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 39.1 - - 33.7 - - 31.5 Temp@2m Sfc.Heating - - - - - - 52 - - -4 - - -37 Sfc.Heating BL Depth - - - - - - 75 - - 74 - - 74 BL Depth Hcrit - - - - - - 767 - - 766 - - 767 Hcrit BL Top - - - - - - 784 - - 783 - - 783 BL Top Hgt.Variab. - - - - - - 8652 - - 6687 - - 5326 Hgt.Variab. W* - - - - - - 69 - - 34 - - 27 W* B/S - - - - - - 1 - - 0 - - 0 B/S BL Wind - - - - - - 15 - - 15 - - 10 BL Wind Direction - - - - - - 284 - - 288 - - 281 Direction Wind Shear - - - - - - 0 - - 0 - - 0 Wind Shear Max.Converg - - - - - - 4 - - 3 - - 2 Max.Converg CLOUDpotent - - - - - - -2879 - - -2592 - - -1865 CLOUDpotentl sfcLCL - - - - - - 3663 - - 3376 - - 2648 sfcLCL ODpotential - - - - - - -2979 - - -2844 - - -2589 ODpotential blCL - - - - - - 3763 - - 3627 - - 3372 blCL maxRH - - - - - - 98 - - 84 - - 90 maxRH CAPE - - - - - - 120 - - 30 - - 0 CAPE Temp@2m - - - - - - 39.1 - - 33.7 - - 31.5 Temp@2m DewPt@2m - - - - - - 25.9 - - 21.9 - - 23.0 DewPt@2m Temp@Bot - - - - - - 38.4 - - 33.6 - - 32.1 Temp@Bot DewPt@Bot - - - - - - 24.7 - - 20.8 - - 22.1 DewPt@bot Sfc.Heating - - - - - - 52 - - -4 - - -37 Sfc.Heating BL Depth - - - - - - 75 - - 74 - - 74 BL Depth EXPERIMENT - - - - - - 92 - - 37 - - 58 EXPERIMENT EXPERIMENT2 - - - - - - 3 - - 2 - - 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] 95257 88 247 94 254 95 253 95257 88378 63 255 66 258 55 257 88378 83122 44 258 35 250 38 263 83122 78691 31 250 28 251 35 269 78691 74810 35 258 39 261 31 256 74810 71312 40 253 38 244 38 260 71312 68118 37 244 34 236 57 264 68118 65206 34 231 51 251 61 252 65206 62503 38 237 62 244 57 237 62503 59846 56 242 58 227 51 237 59846 57032 66 243 54 242 51 244 57032 54089 68 243 54 250 57 252 54089 51260 76 245 66 256 65 255 51260 48701 85 243 78 258 72 261 48701 46412 90 241 91 257 83 266 46412 44351 96 240 104 251 98 265 44351 42474 103 240 100 247 109 260 42474 40741 111 236 99 247 111 256 40741 39128 115 231 100 249 102 255 39128 37624 111 226 102 250 93 258 37624 36220 101 226 103 248 89 266 36220 34877 101 230 98 248 90 272 34877 33521 113 233 88 253 88 276 33521 32119 127 232 85 259 86 280 32119 30674 141 228 86 260 87 284 30674 29174 151 223 85 260 87 285 29174 27603 150 219 81 261 84 286 27603 25963 137 218 75 265 78 289 25963 24256 121 219 70 271 75 294 24256 22481 107 220 64 273 75 299 22481 20631 97 218 56 275 71 305 20631 18708 87 217 46 280 66 307 18708 16721 72 220 43 294 61 307 16721 14712 58 230 45 304 58 307 14712 12782 49 243 46 304 57 308 12782 11031 41 253 45 301 55 309 11031 9480 37 258 43 299 52 312 9480 8111 37 264 43 291 51 312 8111 6909 36 268 43 288 52 306 6909 5851 35 273 43 288 52 300 5851 4915 35 276 42 288 50 297 4915 4090 34 278 41 288 48 295 4090 3361 33 280 39 288 43 292 3361 2708 32 282 37 288 39 291 2708 2131 31 283 35 288 35 289 2131 1649 30 283 32 288 30 287 1649 1280 28 284 29 288 25 285 1280 1025 25 284 25 288 20 283 1025 871 22*284 21*288 16*282 871 783 15*284 15*288 10*281 783 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