DrJack's BLIPSPOT for: MON 02/23 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 - - - - - - 34.4 - - 34.6 - - 31.0 Temp@2m Sfc.Heating - - - - - - 4 - - -10 - - -20 Sfc.Heating BL Depth - - - - - - 74 - - 74 - - 74 BL Depth Hcrit - - - - - - 767 - - 767 - - 766 Hcrit BL Top - - - - - - 783 - - 783 - - 783 BL Top Hgt.Variab. - - - - - - 5640 - - 5981 - - 4978 Hgt.Variab. W* - - - - - - 39 - - 33 - - 30 W* B/S - - - - - - 1 - - 0 - - 0 B/S BL Wind - - - - - - 13 - - 13 - - 12 BL Wind Direction - - - - - - 310 - - 306 - - 306 Direction Wind Shear - - - - - - 0 - - 0 - - 0 Wind Shear Max.Converg - - - - - - 4 - - 4 - - 4 Max.Converg CLOUDpotent - - - - - - -1636 - - -1770 - - -1566 CLOUDpotentl sfcLCL - - - - - - 2419 - - 2553 - - 2349 sfcLCL ODpotential - - - - - - -1911 - - -2096 - - -1921 ODpotential blCL - - - - - - 2694 - - 2879 - - 2704 blCL maxRH - - - - - - 100 - - 100 - - 92 maxRH CAPE - - - - - - 0 - - 0 - - 0 CAPE Temp@2m - - - - - - 34.4 - - 34.6 - - 31.0 Temp@2m DewPt@2m - - - - - - 26.7 - - 26.2 - - 23.7 DewPt@2m Temp@Bot - - - - - - 34.1 - - 34.4 - - 31.1 Temp@Bot DewPt@Bot - - - - - - 25.6 - - 25.1 - - 22.7 DewPt@bot Sfc.Heating - - - - - - 4 - - -10 - - -20 Sfc.Heating BL Depth - - - - - - 74 - - 74 - - 74 BL Depth EXPERIMENT - - - - - - 101 - - 100 - - 69 EXPERIMENT EXPERIMENT2 - - - - - - 3 - - 3 - - 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] 96601 18 100 12 098 8 078 96601 89428 14 098 11 108 10 080 89428 83820 11 121 8 120 5 053 83820 79148 10 137 7 147 6 231 79148 75108 6 114 3 158 9 183 75108 71513 1 187 3 032 8 231 71513 68246 8 235 6 240 15 249 68246 65239 5 257 6 236 14 237 65239 62440 18 271 15 278 15 268 62440 59712 21 257 22 260 18 264 59712 56836 21 265 23 260 21 253 56836 53816 26 267 29 263 24 254 53816 50917 30 256 35 260 31 266 50917 48313 31 249 36 255 36 267 48313 45988 31 256 34 260 35 264 45988 43879 32 262 33 263 34 265 43879 41947 31 269 30 267 31 269 41947 40166 32 273 28 271 30 275 40166 38520 29 268 28 269 29 275 38520 36990 26 266 27 267 29 278 36990 35563 26 269 25 268 28 281 35563 34199 24 275 22 281 23 283 34199 32831 22 281 22 294 21 290 32831 31432 18 277 17 289 19 294 31432 30015 2 259 8 285 25 310 30015 28568 10 104 8 206 21 287 28568 27070 15 133 10 213 13 277 27070 25508 5 102 5 300 15 299 25508 23871 5 348 13 327 18 308 23871 22156 17 341 15 360 14 314 22156 20367 23 353 21 005 14 329 20367 18505 26 353 29 350 23 318 18505 16566 33 343 29 315 30 305 16566 14583 33 326 29 309 28 309 14583 12673 30 322 28 326 24 307 12673 10947 28 327 26 328 26 310 10947 9424 29 338 26 334 29 322 9424 8076 31 343 28 335 31 328 8076 6881 34 335 32 324 34 326 6881 5824 35 325 35 317 37 319 5824 4893 35 323 35 315 38 314 4893 4073 35 322 35 313 38 312 4073 3349 33 319 34 312 37 311 3349 2700 30 316 32 311 36 310 2700 2126 29 315 31 310 34 309 2126 1646 27 314 28 309 31 309 1646 1278 24 313 26 308 27 308 1278 1025 21 312 22 307 23 307 1025 871 18 311 18 307 19*307 871 783 13*310 13*306 12*306 783 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