DrJack's BLIPSPOT for: WED 12/31 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 - - - - - - 33.4 - - 37.2 - - 31.1 Temp@2m Sfc.Heating - - - - - - 76 - - 8 - - -16 Sfc.Heating BL Depth - - - - - - 74 - - 74 - - 74 BL Depth Hcrit - - - - - - 766 - - 767 - - 766 Hcrit BL Top - - - - - - 783 - - 783 - - 783 BL Top Hgt.Variab. - - - - - - 4422 - - 4896 - - 563 Hgt.Variab. W* - - - - - - 72 - - 34 - - 6 W* B/S - - - - - - 2 - - 1 - - 0 B/S BL Wind - - - - - - 7 - - 6 - - 4 BL Wind Direction - - - - - - 224 - - 254 - - 200 Direction Wind Shear - - - - - - 0 - - 0 - - 0 Wind Shear Max.Converg - - - - - - -1 - - 0 - - -1 Max.Converg CLOUDpotent - - - - - - -4012 - - -3839 - - -2075 CLOUDpotentl sfcLCL - - - - - - 4795 - - 4622 - - 2858 sfcLCL ODpotential - - - - - - -11052 - - -4572 - - -8974 ODpotential blCL - - - - - - 11835 - - 5355 - - 9757 blCL maxRH - - - - - - 100 - - 99 - - 79 maxRH CAPE - - - - - - 0 - - 0 - - 0 CAPE Temp@2m - - - - - - 33.4 - - 37.2 - - 31.1 Temp@2m DewPt@2m - - - - - - 15.0 - - 19.6 - - 21.5 DewPt@2m Temp@Bot - - - - - - 32.5 - - 36.9 - - 33.3 Temp@Bot DewPt@Bot - - - - - - 14.8 - - 19.4 - - 21.3 DewPt@bot Sfc.Heating - - - - - - 76 - - 8 - - -16 Sfc.Heating BL Depth - - - - - - 74 - - 74 - - 74 BL Depth EXPERIMENT - - - - - - 100 - - 97 - - 16 EXPERIMENT EXPERIMENT2 - - - - - - 2 - - 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] 94714 108 218 113 221 118 224 94714 87480 94 221 105 222 113 232 87480 81947 89 227 87 227 86 230 81947 77355 91 230 84 235 70 236 77355 73371 84 238 81 237 64 246 73371 69859 83 244 69 241 67 250 69859 66696 80 246 67 248 67 246 66696 63797 76 248 67 250 60 243 63797 61113 69 246 64 257 55 257 61113 58517 62 245 68 261 62 267 58517 55810 59 248 71 257 70 264 55810 52990 62 255 69 254 68 265 52990 50278 67 258 67 262 73 272 50278 47827 67 261 71 269 80 275 47827 45627 68 270 72 271 82 275 45627 43631 73 277 73 273 81 273 43631 41803 79 277 77 272 78 271 41803 40115 84 270 81 265 74 271 40115 38551 83 262 77 257 73 277 38551 37098 73 262 62 263 80 284 37098 35747 66 275 67 285 88 288 35747 34457 70 285 83 290 89 287 34457 33154 75 287 88 290 85 285 33154 31807 79 288 89 291 80 283 31807 30416 83 288 90 292 78 281 30416 28965 84 287 88 291 76 278 28965 27443 83 287 84 288 73 277 27443 25850 83 288 81 285 71 278 25850 24186 82 291 79 285 71 281 24186 22449 76 290 76 283 70 282 22449 20644 68 286 73 278 67 280 20644 18763 64 283 71 276 63 275 18763 16804 61 282 68 278 61 272 16804 14805 57 283 61 278 59 273 14805 12878 53 284 54 278 56 274 12878 11126 50 284 52 279 52 273 11126 9572 48 283 49 279 48 272 9572 8192 44 279 44 275 44 270 8192 6970 39 272 38 269 42 267 6970 5891 32 265 31 260 40 265 5891 4941 23 255 24 250 38 262 4941 4107 17 242 20 244 36 258 4107 3374 14 233 18 245 32 252 3374 2718 13 231 16 247 27 244 2718 2139 12 228 15 248 24 238 2139 1655 11 227 13 250 21 234 1655 1283 10 225 12 251 17 230 1283 1027 10 225 11 253 12 225 1027 872 8*225 9 253 8*216 872 783 7*224 6*254 4*200 783 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