DrJack's BLIPSPOT for: WED 04/15 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 - - - 0653z - - 0955z - - 1000z - - 1333z Update Time FCST PERIOD - - - 9 hr - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - 78.3 - - 87.5 - - 90.3 - - 81.8 Temp@2m Sfc.Heating - - - 108 - - 214 - - 69 - - -8 Sfc.Heating BL Depth - - - 77 - - 6571 - - 78 - - 78 BL Depth Hcrit - - - 770 - - 5218 - - 771 - - 770 Hcrit BL Top - - - 786 - - 7280 - - 787 - - 787 BL Top Hgt.Variab. - - - 3784 - - 2167 - - 11243 - - 952 Hgt.Variab. W* - - - 87 - - 466 - - 75 - - 11 W* B/S - - - 4 - - 9 - - 2 - - 1 B/S BL Wind - - - 4 - - 9 - - 7 - - 3 BL Wind Direction - - - 264 - - 250 - - 204 - - 236 Direction Wind Shear - - - 0 - - 9 - - 0 - - 0 Wind Shear Max.Converg - - - 0 - - 6 - - -1 - - -1 Max.Converg CLOUDpotent - - - -4652 - - -722 - - -8450 - - -6356 CLOUDpotentl sfcLCL - - - 5438 - - 8003 - - 9237 - - 7144 sfcLCL ODpotential - - - -7832 - - -2314 - - -9001 - - -8618 ODpotential blCL - - - 8618 - - 9594 - - 9788 - - 9405 blCL maxRH - - - 64 - - 73 - - 70 - - 75 maxRH CAPE - - - 120 - - 210 - - 210 - - 100 CAPE Temp@2m - - - 78.3 - - 87.5 - - 90.3 - - 81.8 Temp@2m DewPt@2m - - - 57.2 - - 55.1 - - 52.4 - - 53.6 DewPt@2m Temp@Bot - - - 77.1 - - 85.7 - - 89.6 - - 85.5 Temp@Bot DewPt@Bot - - - 56.0 - - 54.0 - - 51.4 - - 52.7 DewPt@bot Sfc.Heating - - - 108 - - 214 - - 69 - - -8 Sfc.Heating BL Depth - - - 77 - - 6571 - - 78 - - 78 BL Depth EXPERIMENT - - - 0 - - 0 - - 0 - - 1 EXPERIMENT EXPERIMENT2 - - - 10 - - 9 - - 8 - - 9 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] 96889 21 255 29 223 38 249 31 251 96889 89657 33 231 31 255 27 246 23 260 89657 84165 21 229 25 262 18 256 19 281 84165 79634 7 286 16 251 16 256 23 290 79634 75717 6 301 7 247 13 257 15 286 75717 72224 9 272 4 306 7 281 5 303 72224 69042 13 274 13 272 18 280 16 278 69042 66123 17 256 13 250 18 267 20 247 66123 63402 19 262 8 200 11 269 13 273 63402 60733 34 276 29 273 32 281 30 292 60733 57949 42 267 42 267 41 271 41 274 57949 55097 37 262 38 268 42 268 46 267 55097 52399 34 275 39 271 49 273 60 278 52399 49981 46 278 49 266 53 265 69 275 49981 47828 53 277 52 262 62 277 70 271 47828 45889 56 279 59 267 67 276 67 271 45889 44122 56 276 66 270 67 274 62 274 44122 42492 54 275 60 273 65 266 61 278 42492 40969 51 274 54 269 57 263 61 275 40969 39531 53 266 49 265 52 262 62 267 39531 38168 53 261 41 259 47 274 62 264 38168 36843 50 263 42 257 41 278 56 262 36843 35490 42 265 45 254 38 273 49 255 35490 34079 37 268 44 247 38 266 45 252 34079 32613 34 276 42 242 43 261 40 257 32613 31076 34 277 42 239 47 260 39 261 31076 29458 40 272 41 242 44 261 44 260 29458 27758 42 274 41 246 42 264 47 263 27758 25978 36 277 39 248 41 268 45 269 25978 24119 33 275 39 251 40 273 41 273 24119 22185 32 272 41 257 39 279 38 273 22185 20174 33 272 38 260 38 287 39 277 20174 18083 33 269 29 265 39 289 42 284 18083 15957 28 259 25 262 31 283 34 282 15957 13915 22 263 28 247 29 274 25 278 13915 12060 19 258 28 240 27 259 22 265 12060 10407 17 243 27 240 22 241 17 242 10407 8934 16 236 22 246 19 229 15 238 8934 7618 17 248 14*253 18 227 15 239 7618 6446 21 267 13*252 17 223 14 241 6446 5404 24 279 12 252 15 219 14 245 5404 4484 22 282 10 251 14 215 14 248 4484 3670 15 281 9 250 13 213 14 250 3670 2941 10 277 8 248 12 210 14 251 2941 2296 8 273 7 247 12 208 13 252 2296 1757 6 269 6 245 11 207 12 253 1757 1343 6 267 6 244 10 206 10 252 1343 1058 5 267 5 245 10 205 8 249 1058 885 5 265 5 245 9*205 5*241 885 787 4*264 4 245 7*204 3*236 787 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