DrJack's BLIPSPOT for: SAT 09/12 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 - - - - - - 0954z - - 0959z - - 1333z Update Time FCST PERIOD - - - - - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 81.3 - - 80.7 - - 74.0 Temp@2m Sfc.Heating - - - - - - 158 - - 67 - - -9 Sfc.Heating BL Depth - - - - - - 3182 - - 2489 - - 78 BL Depth Hcrit - - - - - - 2515 - - 1390 - - 770 Hcrit BL Top - - - - - - 3891 - - 3198 - - 787 BL Top Hgt.Variab. - - - - - - 1963 - - 2538 - - 1515 Hgt.Variab. W* - - - - - - 333 - - 234 - - 14 W* B/S - - - - - - 6 - - 3 - - 1 B/S BL Wind - - - - - - 11 - - 12 - - 5 BL Wind Direction - - - - - - 161 - - 171 - - 139 Direction Wind Shear - - - - - - 4 - - 6 - - 0 Wind Shear Max.Converg - - - - - - -4 - - -4 - - -2 Max.Converg CLOUDpotent - - - - - - 76 - - 63 - - -196 CLOUDpotentl sfcLCL - - - - - - 3815 - - 3135 - - 983 sfcLCL ODpotential - - - - - - -511 - - -707 - - -2159 ODpotential blCL - - - - - - 4402 - - 3905 - - 2946 blCL maxRH - - - - - - 96 - - 88 - - 93 maxRH CAPE - - - - - - 450 - - 990 - - 1100 CAPE Temp@2m - - - - - - 81.3 - - 80.7 - - 74.0 Temp@2m DewPt@2m - - - - - - 67.0 - - 69.3 - - 71.7 DewPt@2m Temp@Bot - - - - - - 79.9 - - 79.9 - - 74.2 Temp@Bot DewPt@Bot - - - - - - 66.2 - - 68.7 - - 71.7 DewPt@bot Sfc.Heating - - - - - - 158 - - 67 - - -9 Sfc.Heating BL Depth - - - - - - 3182 - - 2489 - - 78 BL Depth EXPERIMENT - - - - - - 85 - - 53 - - 73 EXPERIMENT EXPERIMENT2 - - - - - - 14 - - 15 - - 17 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] 98876 13 112 3 140 6 012 98876 91524 9 099 6 125 5 170 91524 85795 6 106 4 117 8 160 85795 81016 5 143 4 197 3 178 81016 76912 2 259 12 184 6 239 76912 73289 5 256 9 194 9 230 73289 69991 8 229 9 224 11 237 69991 66950 10 223 11 218 13 234 66950 64144 9 223 12 232 13 243 64144 61458 11 230 12 241 12 239 61458 58688 11 240 14 256 11 238 58688 55823 18 243 22 258 18 259 55823 53103 22 243 29 246 28 253 53103 50682 27 252 28 247 28 246 50682 48537 37 256 37 259 39 247 48537 46601 42 249 53 246 55 242 46601 44816 45 252 53 245 55 234 44816 43151 48 250 53 245 56 234 43151 41589 46 243 50 242 56 236 41589 40114 42 242 48 242 52 237 40114 38715 33 239 43 242 49 237 38715 37356 29 242 37 242 47 236 37356 35969 32 243 34 237 44 238 35969 34523 32 241 32 236 40 244 34523 33021 29 241 31 241 35 247 33021 31450 28 245 27 245 32 244 31450 29798 25 250 25 250 28 244 29798 28063 22 253 24 246 29 247 28063 26244 21 243 21 235 30 241 26244 24346 27 234 23 235 27 225 24346 22376 28 231 25 240 23 211 22376 20336 26 228 22 240 20 205 20336 18217 19 228 19 230 18 208 18217 16057 17 229 15 215 16 214 16057 13977 17 217 14 205 14 216 13977 12086 15 207 14 194 15 213 12086 10407 13 197 15 197 15 209 10407 8917 14 192 14 200 15 205 8917 7591 16 191 13 197 15 200 7591 6412 14 189 13 187 14 196 6412 5370 11 178 13 176 14 193 5370 4452 11*171 14 173 15 189 4452 3642 11*165 13*172 17 183 3642 2917 11 162 13*171 17 174 2917 2277 11 162 13 171 17 167 2277 1744 11 160 13 171 15 160 1744 1336 10 160 12 170 13 152 1336 1055 10 159 12 170 11 146 1055 884 9 160 10 170 8*143 884 787 7 159 8 170 5*139 787 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