DrJack's BLIPSPOT for: FRI 04/03 Waynesboro_VA 1437ft pt32142@38.180,-78.911,1424ft BLIPSPOT sfc.temp. adjusted by +0.0 degF SPONSORED BY: Shenandoah Valley Soaring www.svsoar.org RUC - Last Analysis,Validation Time = 09Z 21Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - - - - 0659z - - 1002z - - - Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - - FCST PERIOD Temp@2m - - - - - - 78.7 - - 79.6 - - - Temp@2m Sfc.Heating - - - - - - 237 - - 73 - - - Sfc.Heating BL Depth - - - - - - 5025 - - 4867 - - - BL Depth Hcrit - - - - - - 4805 - - 3950 - - - Hcrit BL Top - - - - - - 6462 - - 6304 - - - BL Top Hgt.Variab. - - - - - - 2563 - - 3730 - - - Hgt.Variab. W* - - - - - - 440 - - 302 - - - W* B/S - - - - - - 5 - - 4 - - - B/S BL Wind - - - - - - 15 - - 16 - - - BL Wind Direction - - - - - - 220 - - 223 - - - Direction Wind Shear - - - - - - 7 - - 7 - - - Wind Shear Max.Converg - - - - - - 9 - - 3 - - - Max.Converg CLOUDpotent - - - - - - 102 - - -731 - - - CLOUDpotentl sfcLCL - - - - - - 6360 - - 7036 - - - sfcLCL ODpotential - - - - - - -782 - - -1916 - - - ODpotential blCL - - - - - - 7244 - - 8220 - - - blCL maxRH - - - - - - 81 - - 77 - - - maxRH CAPE - - - - - - 190 - - 120 - - - CAPE Temp@2m - - - - - - 78.7 - - 79.6 - - - Temp@2m DewPt@2m - - - - - - 55.4 - - 53.4 - - - DewPt@2m Temp@Bot - - - - - - 77.3 - - 79.1 - - - Temp@Bot DewPt@Bot - - - - - - 54.5 - - 52.5 - - - DewPt@bot Sfc.Heating - - - - - - 237 - - 73 - - - Sfc.Heating BL Depth - - - - - - 5025 - - 4867 - - - BL Depth EXPERIMENT - - - - - - 22 - - 9 - - - EXPERIMENT EXPERIMENT2 - - - - - - 9 - - 8 - - - 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] 96949 37 256 38 262 96949 89643 33 252 33 257 89643 84008 19 262 28 261 84008 79376 12 285 21 272 79376 75416 11 280 12 293 75416 71917 7 272 15 314 71917 68753 7 334 15 311 68753 65850 10 322 11 297 65850 63149 12 308 11 312 63149 60510 15 290 20 315 60510 57743 20 288 25 299 57743 54876 21 280 22 280 54876 52150 20 262 21 261 52150 49716 20 253 26 264 49716 47576 31 247 33 259 47576 45680 33 228 31 244 45680 43956 28 211 26 232 43956 42353 26 222 26 235 42353 40843 25 228 26 227 40843 39410 25 223 25 200 39410 38048 27 197 28 191 38048 36724 31 193 28 199 36724 35373 31 198 25 226 35373 33966 24 231 20 235 33966 32509 23 227 19 237 32509 30987 27 213 23 234 30987 29390 32 208 23 238 29390 27719 30 218 19 237 27719 25977 28 230 20 229 25977 24162 23 233 22 230 24162 22275 22 239 21 248 22275 20308 26 249 22 258 20308 18257 30 240 20 257 18257 16165 30 233 17 267 16165 14148 26 233 14 272 14148 12316 21 240 17 272 12316 10692 19 257 22 272 10692 9252 19 260 22 263 9252 7968 18 254 21 256 7968 6825 17*247 18*244 6825 5809 16*234 17*230 5809 4912 15 228 16 227 4912 4117 15 221 16 224 4117 3404 15 218 16 222 3404 2773 15 216 16 221 2773 2246 15 215 15 220 2246 1840 14 213 15 219 1840 1561 14 213 14 219 1561 1391 13 212 13 218 1391 1294 11 212 10 218 1294 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