DrJack's BLIPSPOT for: SAT 08/01 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 - - - - - - 86.6 - - 87.8 - - 80.6 Temp@2m Sfc.Heating - - - - - - 191 - - 68 - - -12 Sfc.Heating BL Depth - - - - - - 6177 - - 78 - - 78 BL Depth Hcrit - - - - - - 4865 - - 770 - - 770 Hcrit BL Top - - - - - - 6886 - - 787 - - 787 BL Top Hgt.Variab. - - - - - - 1905 - - 9175 - - 4993 Hgt.Variab. W* - - - - - - 444 - - 76 - - 19 W* B/S - - - - - - 7 - - 2 - - 1 B/S BL Wind - - - - - - 12 - - 8 - - 3 BL Wind Direction - - - - - - 177 - - 172 - - 154 Direction Wind Shear - - - - - - 6 - - 0 - - 0 Wind Shear Max.Converg - - - - - - -4 - - -2 - - -2 Max.Converg CLOUDpotent - - - - - - -239 - - -6188 - - -2492 CLOUDpotentl sfcLCL - - - - - - 7125 - - 6975 - - 3279 sfcLCL ODpotential - - - - - - -5265 - - -6854 - - -4156 ODpotential blCL - - - - - - 12151 - - 7641 - - 4943 blCL maxRH - - - - - - 80 - - 73 - - 85 maxRH CAPE - - - - - - 0 - - 120 - - 670 CAPE Temp@2m - - - - - - 86.6 - - 87.8 - - 80.6 Temp@2m DewPt@2m - - - - - - 58.0 - - 59.9 - - 68.5 DewPt@2m Temp@Bot - - - - - - 85.0 - - 87.1 - - 81.5 Temp@Bot DewPt@Bot - - - - - - 56.9 - - 58.9 - - 67.7 DewPt@bot Sfc.Heating - - - - - - 191 - - 68 - - -12 Sfc.Heating BL Depth - - - - - - 6177 - - 78 - - 78 BL Depth EXPERIMENT - - - - - - 21 - - 0 - - 42 EXPERIMENT EXPERIMENT2 - - - - - - 9 - - 11 - - 15 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] 99490 42 078 36 085 33 072 99490 91997 38 082 30 083 29 074 91997 86217 30 080 29 079 28 073 86217 81416 27 078 27 080 27 074 81416 77281 20 074 24 083 23 076 77281 73627 18 089 20 092 17 081 73627 70319 18 083 18 088 16 091 70319 67273 13 068 15 082 15 085 67273 64456 9 088 7 080 10 081 64456 61741 6 107 2 185 6 091 61741 58924 8 159 3 238 1 088 58924 56031 1 122 5 248 4 239 56031 53303 11 328 6 308 6 287 53303 50875 20 278 21 280 22 274 50875 48713 7 232 16 255 23 258 48713 46746 18 289 18 266 23 247 46746 44929 21 292 19 265 26 239 44929 43232 24 293 24 271 29 245 43232 41641 23 282 32 268 32 245 41641 40146 22 279 31 257 33 236 40146 38731 23 265 22 237 33 235 38731 37355 26 261 28 234 34 235 37355 35951 31 262 30 245 33 234 35951 34488 34 263 30 259 30 235 34488 32972 35 264 32 258 28 235 32972 31386 33 260 31 248 29 239 31386 29722 28 248 25 235 30 247 29722 27981 20 244 22 236 30 254 27981 26160 19 250 28 240 29 258 26160 24264 19 241 34 240 27 256 24264 22295 21 226 32 234 24 252 22295 20252 19 229 29 218 18 237 20252 18143 19 217 21 202 27 196 18143 16003 18 213 14 206 23 197 16003 13934 19 211 14 222 14 218 13934 12055 17 206 16 220 15 221 12055 10390 13 202 22 213 17 222 10390 8913 12 196 21 206 19 210 8913 7600 13*187 19 199 19 193 7600 6432 13*184 16 188 20 185 6432 5394 13 182 16 186 20 179 5394 4477 13 180 15 183 20 176 4477 3665 13 177 14 180 20 175 3665 2937 12 175 14 177 19 173 2937 2293 12 174 13 176 18 171 2293 1755 11 172 13 174 16 170 1755 1342 11 171 12 173 13 167 1342 1058 10 171 11 172 10 165 1058 886 9 171 10*172 7*162 886 787 7 171 8*172 3*154 787 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