DrJack's BLIPSPOT for: SAT 11/29 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 - - - - - - 39.7 - - 40.7 - - 34.6 Temp@2m Sfc.Heating - - - - - - 215 - - 17 - - -20 Sfc.Heating BL Depth - - - - - - 3024 - - 74 - - 74 BL Depth Hcrit - - - - - - 2489 - - 767 - - 767 Hcrit BL Top - - - - - - 3733 - - 783 - - 783 BL Top Hgt.Variab. - - - - - - 1090 - - 4301 - - 2026 Hgt.Variab. W* - - - - - - 349 - - 44 - - 11 W* B/S - - - - - - 24 - - 2 - - 0 B/S BL Wind - - - - - - 3 - - 4 - - 4 BL Wind Direction - - - - - - 194 - - 141 - - 136 Direction Wind Shear - - - - - - 2 - - 0 - - 0 Wind Shear Max.Converg - - - - - - -3 - - -1 - - -2 Max.Converg CLOUDpotent - - - - - - -2774 - - -6377 - - -4620 CLOUDpotentl sfcLCL - - - - - - 6507 - - 7160 - - 5403 sfcLCL ODpotential - - - - - - -13631 - - -16629 - - -16926 ODpotential blCL - - - - - - 17364 - - 17412 - - 17709 blCL maxRH - - - - - - 84 - - 56 - - 51 maxRH CAPE - - - - - - 0 - - 0 - - 0 CAPE Temp@2m - - - - - - 39.7 - - 40.7 - - 34.6 Temp@2m DewPt@2m - - - - - - 14.2 - - 12.4 - - 14.3 DewPt@2m Temp@Bot - - - - - - 37.9 - - 40.1 - - 35.4 Temp@Bot DewPt@Bot - - - - - - 13.8 - - 11.9 - - 14.0 DewPt@bot Sfc.Heating - - - - - - 215 - - 17 - - -20 Sfc.Heating BL Depth - - - - - - 3024 - - 74 - - 74 BL Depth EXPERIMENT - - - - - - 36 - - 0 - - 0 EXPERIMENT EXPERIMENT2 - - - - - - 2 - - 2 - - 2 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] 95697 21 280 21 266 35 278 95697 88722 15 272 19 278 25 283 88722 83280 14 253 23 285 19 299 83280 78731 20 251 22 275 18 285 78731 74792 22 258 21 262 20 251 74792 71286 24 252 22 261 22 253 71286 68080 27 254 24 257 24 259 68080 65120 32 257 32 251 33 256 65120 62370 39 255 35 253 32 264 62370 59700 43 248 42 267 47 259 59700 56921 51 244 55 255 53 258 56921 54028 57 241 60 252 57 249 54028 51253 63 244 63 248 52 247 51253 48754 68 248 69 246 64 252 48754 46525 69 245 73 241 72 248 46525 44534 68 247 66 241 67 249 44534 42742 71 253 62 251 68 250 42742 41109 67 249 76 253 67 242 41109 39600 57 248 69 246 57 238 39600 38186 59 252 63 247 58 248 38186 36852 67 257 63 249 69 253 36852 35563 70 257 65 251 76 253 35563 34251 72 256 64 251 75 251 34251 32887 73 257 63 255 74 248 32887 31471 71 258 68 260 75 246 31471 29989 69 259 67 262 65 235 29989 28427 64 257 62 259 60 234 28427 26781 60 256 53 256 54 234 26781 25052 56 255 50 253 47 241 25052 23240 51 252 47 250 50 240 23240 21349 45 251 45 247 49 239 21349 19376 39 255 43 249 45 237 19376 17317 39 258 41 249 44 233 17317 15221 41 258 43 249 45 231 15221 13207 40 257 45 249 43 231 13207 11378 36 261 38 248 36 234 11378 9756 29 270 28 252 27 239 9756 8322 19 277 19 261 19 240 8322 7059 13 278 12 258 12 227 7059 5949 8 270 8 235 11 198 5949 4980 5 251 7 198 11 183 4980 4134 3*204 7 173 11 175 4134 3391 3*199 7 164 13 164 3391 2729 3 195 6 157 15 158 2729 2145 3 192 6 152 16 154 2145 1658 3 193 6 148 15 152 1658 1284 2 191 6 147 14 149 1284 1027 2 190 5 144 12 145 1027 872 2 190 5 143 9 142 872 783 2 190 4*141 4*136 783 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