DrJack's BLIPSPOT for: WED 02/04 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 - - - - - - 0659z - - 1002z - - 1334z Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 27.6 - - 28.0 - - 23.1 Temp@2m Sfc.Heating - - - - - - 81 - - 29 - - -9 Sfc.Heating BL Depth - - - - - - 74 - - 74 - - 74 BL Depth Hcrit - - - - - - 766 - - 766 - - 766 Hcrit BL Top - - - - - - 783 - - 783 - - 783 BL Top Hgt.Variab. - - - - - - 2427 - - 2404 - - 2625 Hgt.Variab. W* - - - - - - 75 - - 54 - - 8 W* B/S - - - - - - 2 - - 2 - - 0 B/S BL Wind - - - - - - 6 - - 6 - - 3 BL Wind Direction - - - - - - 005 - - 349 - - 020 Direction Wind Shear - - - - - - 0 - - 0 - - 0 Wind Shear Max.Converg - - - - - - 2 - - 2 - - 1 Max.Converg CLOUDpotent - - - - - - -1463 - - -1429 - - -794 CLOUDpotentl sfcLCL - - - - - - 2246 - - 2212 - - 1577 sfcLCL ODpotential - - - - - - -1503 - - -1517 - - -1632 ODpotential blCL - - - - - - 2286 - - 2300 - - 2415 blCL maxRH - - - - - - 85 - - 88 - - 91 maxRH CAPE - - - - - - 0 - - 0 - - 0 CAPE Temp@2m - - - - - - 27.6 - - 28.0 - - 23.1 Temp@2m DewPt@2m - - - - - - 20.9 - - 21.5 - - 19.5 DewPt@2m Temp@Bot - - - - - - 26.6 - - 27.4 - - 24.7 Temp@Bot DewPt@Bot - - - - - - 19.8 - - 20.6 - - 19.7 DewPt@bot Sfc.Heating - - - - - - 81 - - 29 - - -9 Sfc.Heating BL Depth - - - - - - 74 - - 74 - - 74 BL Depth EXPERIMENT - - - - - - 40 - - 52 - - 64 EXPERIMENT EXPERIMENT2 - - - - - - 2 - - 2 - - 2 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] 96120 41 234 41 229 42 227 96120 88849 41 229 35 242 40 247 88849 83297 30 252 30 246 34 239 83297 78696 22 250 29 267 25 238 78696 74719 26 245 31 265 30 264 74719 71209 29 248 26 248 34 259 71209 68020 30 270 26 257 37 261 68020 65071 37 270 31 261 42 265 65071 62325 40 254 35 264 43 258 62325 59644 43 243 42 264 42 254 59644 56822 48 251 44 261 49 258 56822 53883 59 254 54 256 58 255 53883 51064 66 251 62 248 62 256 51064 48515 66 253 65 252 71 255 48515 46228 74 254 76 250 77 247 46228 44157 81 251 76 248 72 241 44157 42268 75 250 73 249 68 244 42268 40537 69 253 74 251 71 248 40537 38940 70 253 78 250 75 248 38940 37454 76 251 82 248 78 248 37454 36066 85 250 85 247 81 246 36066 34737 90 248 92 245 85 243 34737 33399 94 247 98 242 84 241 33399 32025 99 248 103 240 85 237 32025 30615 94 248 107 237 85 235 30615 29151 82 250 104 236 77 235 29151 27622 70 250 94 236 62 237 27622 26029 62 251 75 238 49 238 26029 24363 54 252 59 241 47 245 24363 22617 41 252 54 240 48 244 22617 20794 30 248 46 243 45 246 20794 18891 24 246 43 248 37 247 18891 16904 23 245 38 250 30 248 16904 14873 24 247 34 253 32 251 14873 12909 23 254 27 250 31 253 12909 11126 24 263 22 247 23 255 11126 9550 24 266 22 253 20 258 9550 8156 22 267 21 258 19 267 8156 6923 18 272 18 264 17 276 6923 5836 14 282 13 273 13 284 5836 4883 11 299 10 296 10 302 4883 4052 10 317 11 321 10 323 4052 3326 9 338 12 330 11 333 3326 2682 9 351 12 337 12 344 2682 2112 8 358 11 342 12 353 2112 1637 8 000 11 345 12 002 1637 1272 8 003 10 347 12 009 1272 1022 8 004 10 348 9 016 1022 869 7*004 8*349 7*020 869 783 6*005 6*349 3*020 783 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