DrJack's BLIPSPOT for: WED 09/30 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 - - - - - - 75.9 - - 77.2 - - 69.2 Temp@2m Sfc.Heating - - - - - - 158 - - 17 - - -30 Sfc.Heating BL Depth - - - - - - 3554 - - 77 - - 77 BL Depth Hcrit - - - - - - 2783 - - 770 - - 769 Hcrit BL Top - - - - - - 4263 - - 786 - - 786 BL Top Hgt.Variab. - - - - - - 1275 - - 5159 - - 213 Hgt.Variab. W* - - - - - - 345 - - 50 - - 19 W* B/S - - - - - - 8 - - 2 - - 1 B/S BL Wind - - - - - - 8 - - 4 - - 5 BL Wind Direction - - - - - - 175 - - 164 - - 133 Direction Wind Shear - - - - - - 3 - - 0 - - 0 Wind Shear Max.Converg - - - - - - -3 - - -1 - - -2 Max.Converg CLOUDpotent - - - - - - -935 - - -4350 - - -1836 CLOUDpotentl sfcLCL - - - - - - 5198 - - 5137 - - 2622 sfcLCL ODpotential - - - - - - -5881 - - -7904 - - -6992 ODpotential blCL - - - - - - 10144 - - 8690 - - 7778 blCL maxRH - - - - - - 76 - - 72 - - 67 maxRH CAPE - - - - - - 0 - - 0 - - 0 CAPE Temp@2m - - - - - - 75.9 - - 77.2 - - 69.2 Temp@2m DewPt@2m - - - - - - 55.9 - - 57.5 - - 60.5 DewPt@2m Temp@Bot - - - - - - 74.4 - - 76.9 - - 71.0 Temp@Bot DewPt@Bot - - - - - - 54.8 - - 56.5 - - 60.1 DewPt@bot Sfc.Heating - - - - - - 158 - - 17 - - -30 Sfc.Heating BL Depth - - - - - - 3554 - - 77 - - 77 BL Depth EXPERIMENT - - - - - - 4 - - 0 - - 0 EXPERIMENT EXPERIMENT2 - - - - - - 9 - - 10 - - 11 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] 97978 23 217 25 254 19 258 97978 90717 9 240 10 248 13 237 90717 85103 4 258 8 262 8 273 85103 80413 1 153 10 279 5 323 80413 76350 3 158 7 284 4 000 76350 72776 5 122 5 147 5 326 72776 69573 3 316 2 082 6 353 69573 66645 6 305 8 322 8 354 66645 63936 6 288 10 304 10 319 63936 61310 7 295 11 300 12 305 61310 58567 13 315 19 301 20 311 58567 55729 15 287 23 288 22 303 55729 53023 15 287 16 293 17 302 53023 50580 19 302 19 303 27 300 50580 48380 26 307 24 298 28 281 48380 46384 32 309 29 321 19 306 46384 44583 26 306 46 325 74 336 44583 42936 24 336 47 320 92 334 42936 41393 38 330 37 314 66 330 41393 39936 42 323 29 317 51 323 39936 38556 38 328 27 326 48 320 38556 37210 35 344 28 329 36 311 37210 35834 26 334 28 332 30 309 35834 34397 20 330 28 328 30 310 34397 32903 18 330 32 312 27 310 32903 31336 18 314 27 299 18 307 31336 29687 22 305 24 290 18 297 29687 27955 20 299 22 287 22 284 27955 26143 16 284 19 282 23 264 26143 24258 13 270 17 263 25 255 24258 22300 14 248 15 242 23 260 22300 20261 14 245 16 246 21 276 20261 18136 13 248 18 252 19 295 18136 15973 13 245 18 261 17 292 15973 13893 14 248 17 276 16 282 13893 12006 14 262 16 285 15 282 12006 10332 12 279 15 285 16 288 10332 8848 10 287 14 280 19 288 8848 7531 9 282 15 271 21 279 7531 6366 9 258 14 255 18 264 6366 5336 9 226 11 234 13 246 5336 4427 8*190 10 223 10 234 4427 3624 8*184 8 208 9 218 3624 2904 8 179 7 191 9 197 2904 2268 8 176 6 181 10 173 2268 1738 8 172 6 174 12 159 1738 1332 7 170 5 169 14 150 1332 1052 7 168 5 167 13 144 1052 883 6 167 5 165 10*139 883 786 5 168 4*164 5*133 786 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