DrJack's BLIPSPOT for: SAT 04/04 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 - - - - - - 79.6 - - 81.9 - - 74.0 Temp@2m Sfc.Heating - - - - - - 158 - - 56 - - -43 Sfc.Heating BL Depth - - - - - - 3018 - - 77 - - 77 BL Depth Hcrit - - - - - - 2404 - - 770 - - 770 Hcrit BL Top - - - - - - 3727 - - 786 - - 786 BL Top Hgt.Variab. - - - - - - 3972 - - 9132 - - 266 Hgt.Variab. W* - - - - - - 329 - - 71 - - 22 W* B/S - - - - - - 9 - - 1 - - 1 B/S BL Wind - - - - - - 6 - - 10 - - 6 BL Wind Direction - - - - - - 132 - - 168 - - 158 Direction Wind Shear - - - - - - 3 - - 0 - - 0 Wind Shear Max.Converg - - - - - - -5 - - -4 - - -2 Max.Converg CLOUDpotent - - - - - - -1440 - - -6302 - - -4225 CLOUDpotentl sfcLCL - - - - - - 5167 - - 7088 - - 5011 sfcLCL ODpotential - - - - - - -2732 - - -7191 - - -7023 ODpotential blCL - - - - - - 6459 - - 7977 - - 7809 blCL maxRH - - - - - - 88 - - 64 - - 72 maxRH CAPE - - - - - - 610 - - 150 - - 20 CAPE Temp@2m - - - - - - 79.6 - - 81.9 - - 74.0 Temp@2m DewPt@2m - - - - - - 59.7 - - 53.7 - - 55.0 DewPt@2m Temp@Bot - - - - - - 78.0 - - 81.7 - - 76.4 Temp@Bot DewPt@Bot - - - - - - 58.6 - - 52.7 - - 54.3 DewPt@bot Sfc.Heating - - - - - - 158 - - 56 - - -43 Sfc.Heating BL Depth - - - - - - 3018 - - 77 - - 77 BL Depth EXPERIMENT - - - - - - 52 - - 0 - - 0 EXPERIMENT EXPERIMENT2 - - - - - - 10 - - 9 - - 9 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] 96857 32 264 40 270 27 282 96857 89590 23 276 30 271 33 274 89590 83993 18 287 13 304 19 285 83993 79396 14 300 9 329 12 317 79396 75446 19 315 13 325 13 337 75446 71933 19 311 17 313 18 316 71933 68745 15 323 15 312 17 318 68745 65819 15 327 12 322 16 317 65819 63104 15 319 12 326 14 313 63104 60470 10 314 18 295 19 298 60470 57721 10 301 17 286 20 279 57721 54847 15 291 15 278 16 266 54847 52087 15 272 27 279 20 276 52087 49628 23 266 37 274 29 276 49628 47469 29 257 29 261 35 264 47469 45545 23 277 14 229 26 226 45545 43802 20 268 7 198 16 178 43802 42194 21 265 12 220 13 214 42194 40688 25 270 15 246 20 237 40688 39265 25 262 19 266 25 235 39265 37915 22 260 21 282 24 231 37915 36601 21 269 20 277 20 228 36601 35258 19 268 19 264 17 219 35258 33857 17 259 19 260 16 210 33857 32399 15 249 17 238 14 218 32399 30872 18 252 20 221 13 233 30872 29266 18 255 21 221 17 240 29266 27582 17 253 17 236 20 235 27582 25817 15 247 15 247 17 230 25817 23971 14 237 14 235 17 217 23971 22051 17 227 16 223 25 230 22051 20054 20 230 22 226 29 235 20054 17974 21 231 23 225 29 237 17974 15853 20 225 23 220 28 234 15853 13810 20 218 19 232 25 231 13810 11955 21 216 18 239 21 235 11955 10309 21 204 17 228 22 234 10309 8844 19 203 18 217 22 227 8844 7540 17 197 18 201 22 217 7540 6379 13 188 19 187 23 209 6379 5349 8 183 19 182 24 204 5349 4440 6*162 20 179 24 200 4440 3635 7*144 19 176 24 198 3635 2914 7 135 19 174 23 194 2914 2276 7 131 19 172 23 189 2276 1743 6 129 18 171 22 183 1743 1335 6 126 17 170 19 176 1335 1054 6 125 16 170 15 169 1054 883 5 124 14 169 11 164 883 786 5 124 10*168 6*158 786 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