DrJack's BLIPSPOT for: WED 05/20 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 - - - - - - 90.1 - - 86.0 - - 78.6 Temp@2m Sfc.Heating - - - - - - 231 - - 11 - - -36 Sfc.Heating BL Depth - - - - - - 6418 - - 78 - - 78 BL Depth Hcrit - - - - - - 5138 - - 770 - - 770 Hcrit BL Top - - - - - - 7127 - - 787 - - 787 BL Top Hgt.Variab. - - - - - - 4156 - - 8339 - - 3402 Hgt.Variab. W* - - - - - - 473 - - 49 - - 28 W* B/S - - - - - - 8 - - 2 - - 1 B/S BL Wind - - - - - - 11 - - 5 - - 7 BL Wind Direction - - - - - - 250 - - 284 - - 346 Direction Wind Shear - - - - - - 6 - - 0 - - 0 Wind Shear Max.Converg - - - - - - 4 - - 1 - - 2 Max.Converg CLOUDpotent - - - - - - -360 - - -5008 - - -2544 CLOUDpotentl sfcLCL - - - - - - 7487 - - 5795 - - 3331 sfcLCL ODpotential - - - - - - -1071 - - -6216 - - -4771 ODpotential blCL - - - - - - 8198 - - 7003 - - 5558 blCL maxRH - - - - - - 79 - - 81 - - 83 maxRH CAPE - - - - - - 890 - - 1390 - - 1520 CAPE Temp@2m - - - - - - 90.1 - - 86.0 - - 78.6 Temp@2m DewPt@2m - - - - - - 59.9 - - 63.3 - - 66.6 DewPt@2m Temp@Bot - - - - - - 88.2 - - 86.2 - - 79.7 Temp@Bot DewPt@Bot - - - - - - 58.9 - - 62.2 - - 66.2 DewPt@bot Sfc.Heating - - - - - - 231 - - 11 - - -36 Sfc.Heating BL Depth - - - - - - 6418 - - 78 - - 78 BL Depth EXPERIMENT - - - - - - 14 - - 25 - - 32 EXPERIMENT EXPERIMENT2 - - - - - - 10 - - 13 - - 14 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] 98191 11 165 4 224 8 040 98191 90750 10 091 4 117 6 014 90750 85065 8 079 9 105 6 039 85065 80357 2 098 9 047 8 055 80357 76301 4 122 6 026 8 023 76301 72718 12 097 4 105 10 332 72718 69477 10 102 3 063 6 328 69477 66493 5 099 4 288 1 340 66493 63739 3 322 7 234 6 214 63739 61099 9 300 8 208 13 203 61099 58359 14 282 6 233 11 229 58359 55511 16 255 14 261 15 262 55511 52781 17 232 22 252 24 251 52781 50317 18 239 23 227 30 238 50317 48112 22 237 28 235 33 235 48112 46127 21 228 28 229 33 248 46127 44330 12 208 23 214 31 249 44330 42675 10 239 13 225 26 259 42675 41128 17 272 17 281 21 281 41128 39674 22 270 24 304 17 293 39674 38299 17 266 26 306 19 294 38299 36967 13 249 16 286 22 290 36967 35605 12 247 12 260 22 279 35605 34182 11 250 12 238 19 263 34182 32704 10 238 12 222 17 252 32704 31157 12 221 12 225 17 239 31157 29530 14 219 14 243 20 243 29530 27824 16 211 21 246 24 242 27824 26038 17 207 23 240 24 239 26038 24174 20 223 25 237 22 237 24174 22234 23 234 22 247 22 234 22234 20215 25 239 22 257 21 240 20215 18116 24 240 23 254 19 253 18116 15980 24 235 24 238 19 240 15980 13926 24 235 25 231 25 223 13926 12060 26 240 24 222 28 217 12060 10400 26 241 21 214 26 215 10400 8920 23 243 17 216 23 224 8920 7600 18*246 13 223 18 231 7600 6424 13*249 11 237 12 245 6424 5382 12 250 10 255 11 274 5382 4463 11 251 10 267 14 298 4463 3652 11 250 11 275 16 318 3652 2927 10 251 11 278 18 334 2927 2286 10 251 10 281 19 339 2286 1751 9 251 10 282 19 341 1751 1339 9 250 9 282 18 343 1339 1057 8 250 8 283 16 345 1057 885 8 250 7*284 13*345 885 787 6 251 5*284 7*346 787 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