DrJack's BLIPSPOT for: WED 03/04 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 - - - - - - 0952z - - 1001z - - 1333z Update Time FCST PERIOD - - - - - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 46.0 - - 50.6 - - 47.9 Temp@2m Sfc.Heating - - - - - - 5 - - 36 - - 0 Sfc.Heating BL Depth - - - - - - 75 - - 75 - - 75 BL Depth Hcrit - - - - - - 768 - - 768 - - 768 Hcrit BL Top - - - - - - 784 - - 784 - - 784 BL Top Hgt.Variab. - - - - - - 593 - - 985 - - 763 Hgt.Variab. W* - - - - - - 30 - - 58 - - 0 W* B/S - - - - - - 2 - - 4 - - 0 B/S BL Wind - - - - - - 3 - - 2 - - 2 BL Wind Direction - - - - - - 044 - - 091 - - 085 Direction Wind Shear - - - - - - 0 - - 0 - - 0 Wind Shear Max.Converg - - - - - - 0 - - -1 - - -1 Max.Converg CLOUDpotent - - - - - - -12 - - -260 - - 0 CLOUDpotentl sfcLCL - - - - - - 796 - - 1044 - - 784 sfcLCL ODpotential - - - - - - -178 - - -355 - - -233 ODpotential blCL - - - - - - 962 - - 1139 - - 1017 blCL maxRH - - - - - - 100 - - 99 - - 100 maxRH CAPE - - - - - - 10 - - 0 - - 50 CAPE Temp@2m - - - - - - 46.0 - - 50.6 - - 47.9 Temp@2m DewPt@2m - - - - - - 45.5 - - 49.0 - - 47.7 DewPt@2m Temp@Bot - - - - - - 45.6 - - 49.9 - - 47.8 Temp@Bot DewPt@Bot - - - - - - 45.3 - - 48.5 - - 47.7 DewPt@bot Sfc.Heating - - - - - - 5 - - 36 - - 0 Sfc.Heating BL Depth - - - - - - 75 - - 75 - - 75 BL Depth EXPERIMENT - - - - - - 100 - - 98 - - 102 EXPERIMENT EXPERIMENT2 - - - - - - 7 - - 7 - - 7 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] 96329 24 238 24 243 26 267 96329 89158 27 233 28 240 27 258 89158 83637 35 223 29 241 26 256 83637 79036 26 256 28 260 31 268 79036 75081 28 246 32 257 34 262 75081 71578 21 243 28 245 35 266 71578 68392 33 280 33 268 46 274 68392 65476 38 273 41 282 49 279 65476 62792 42 283 50 289 48 281 62792 60190 56 277 54 281 51 278 60190 57460 57 261 56 265 60 273 57460 54615 58 259 59 264 67 271 54615 51888 64 268 64 272 69 271 51888 49426 74 275 72 274 71 274 49426 47206 77 278 78 272 75 274 47206 45187 74 280 75 269 79 267 45187 43354 76 276 73 270 75 267 43354 41698 78 267 77 273 70 268 41698 40188 73 264 75 272 75 266 40188 38780 72 269 76 270 74 265 38780 37448 73 273 79 269 72 270 37448 36152 75 275 81 269 72 277 36152 34829 76 273 81 272 71 282 34829 33453 79 268 81 276 68 283 33453 32026 81 269 82 279 64 279 32026 30531 79 273 84 279 63 272 30531 28952 70 274 84 279 64 269 28952 27289 63 271 83 281 67 272 27289 25541 62 266 77 281 67 278 25541 23712 62 266 67 279 61 280 23712 21810 59 269 60 273 56 276 21810 19830 53 276 56 273 52 273 19830 17762 45 280 45 277 51 274 17762 15648 37 269 37 269 50 277 15648 13606 25 247 41 265 42 277 13606 11754 23 249 41 266 36 273 11754 10109 18 256 31 270 35 271 10109 8646 20 267 24 274 33 269 8646 7348 22 269 22 276 27 266 7348 6199 21 269 21 269 23 257 6199 5184 19 272 21 255 20 244 5184 4293 16 276 18 245 19 231 4293 3506 12 273 14 236 18 228 3506 2806 7 252 9 216 13 220 2806 2192 5 223 7 189 9 181 2192 1685 3 120 4 132 7 135 1685 1299 6 072 4 101 6 103 1299 1036 5 050 3 094 5 096 1036 876 4 046 3 093 4 090 876 784 3*044 2*091 2*085 784 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