DrJack's BLIPSPOT for: FRI 03/27 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 - - 1001z - - 1333z Update Time FCST PERIOD - - - 9 hr - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - 55.3 - - 45.6 - - 42.7 - - 41.8 Temp@2m Sfc.Heating - - - 41 - - 68 - - 47 - - 1 Sfc.Heating BL Depth - - - 76 - - 1421 - - 74 - - 75 BL Depth Hcrit - - - 768 - - 768 - - 767 - - 767 Hcrit BL Top - - - 785 - - 2130 - - 783 - - 784 BL Top Hgt.Variab. - - - 3127 - - 1587 - - 2625 - - 3284 Hgt.Variab. W* - - - 62 - - 191 - - 64 - - 28 W* B/S - - - 1 - - 2 - - 2 - - 1 B/S BL Wind - - - 9 - - 15 - - 8 - - 6 BL Wind Direction - - - 002 - - 006 - - 014 - - 013 Direction Wind Shear - - - 0 - - 8 - - 0 - - 0 Wind Shear Max.Converg - - - 3 - - 4 - - 2 - - 2 Max.Converg CLOUDpotent - - - -879 - - 607 - - -916 - - -1195 CLOUDpotentl sfcLCL - - - 1664 - - 1523 - - 1699 - - 1979 sfcLCL ODpotential - - - -986 - - 367 - - -941 - - -1389 ODpotential blCL - - - 1771 - - 1763 - - 1724 - - 2173 blCL maxRH - - - 100 - - 100 - - 100 - - 99 maxRH CAPE - - - 0 - - 10 - - 0 - - 0 CAPE Temp@2m - - - 55.3 - - 45.6 - - 42.7 - - 41.8 Temp@2m DewPt@2m - - - 50.7 - - 41.9 - - 38.3 - - 36.3 DewPt@2m Temp@Bot - - - 54.6 - - 44.8 - - 41.9 - - 41.5 Temp@Bot DewPt@Bot - - - 50.1 - - 41.1 - - 37.4 - - 35.5 DewPt@bot Sfc.Heating - - - 41 - - 68 - - 47 - - 1 Sfc.Heating BL Depth - - - 76 - - 1421 - - 74 - - 75 BL Depth EXPERIMENT - - - 101 - - 102 - - 100 - - 95 EXPERIMENT EXPERIMENT2 - - - 8 - - 5 - - 5 - - 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] 96477 31 251 39 245 43 248 47 256 96477 89207 27 236 29 233 30 233 27 255 89207 83615 27 229 27 230 36 250 29 256 83615 78980 25 245 28 226 38 239 40 252 78980 75019 29 256 31 239 36 239 40 243 75019 71528 30 241 27 226 35 236 36 237 71528 68362 27 246 30 250 36 243 33 239 68362 65451 41 261 47 268 45 264 41 260 65451 62756 44 262 48 270 53 265 57 262 62756 60160 39 269 50 268 55 257 62 251 60160 57466 46 270 56 270 57 256 61 253 57466 54666 52 271 61 268 61 258 69 257 54666 51970 56 274 68 261 64 256 69 262 51970 49516 60 275 70 262 70 266 76 268 49516 47297 64 276 73 271 81 271 82 269 47297 45267 69 278 77 272 86 266 88 264 45267 43409 75 277 82 266 88 256 89 256 43409 41711 82 274 79 267 82 257 86 256 41711 40158 81 268 77 270 85 264 95 264 40158 38720 79 265 76 268 87 264 99 264 38720 37363 82 261 73 265 85 263 99 261 37363 36043 81 253 73 263 84 262 99 259 36043 34692 79 252 71 256 84 261 98 258 34692 33286 75 251 73 255 85 261 97 257 33286 31826 71 251 78 259 84 259 96 256 31826 30300 69 254 76 257 83 256 96 256 30300 28694 70 263 74 255 84 256 93 254 28694 27006 73 265 78 259 84 258 90 252 27006 25240 69 258 80 261 81 261 87 255 25240 23403 59 255 78 257 76 258 86 260 23403 21494 56 263 74 251 76 254 83 259 21494 19503 56 266 68 249 76 258 79 259 19503 17430 56 257 59 255 68 257 75 261 17430 15321 57 254 49 265 59 254 67 261 15321 13293 51 262 40 268 53 256 59 254 13293 11452 48 266 35 259 49 256 57 250 11452 9818 46 265 35 248 45 255 50 259 9818 8377 41 266 37 241 41 258 39 271 8377 7107 37 268 30 234 34 268 31 278 7107 5989 31 269 18 231 28 275 26 279 5989 5011 17 277 7 294 22 284 19 288 5011 4159 13 348 14 353 17 309 13 317 4159 3412 17 357 17 004 14 345 13 341 3412 2746 18 359 18 005 13 009 13 000 2746 2158 18 360 18*006 13 012 13 007 2158 1667 18 001 17*006 13 014 13 010 1667 1290 17 001 17 006 13 014 12 011 1290 1031 15 001 15 006 12 014 11 012 1031 874 13*001 13 005 10 014 9*012 874 784 9*002 10 004 8*014 6*013 784 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