DrJack's BLIPSPOT for: WED 04/24 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 - - 0954z - - 1000z - - 1332z Update Time FCST PERIOD - - - 9 hr - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - 64.8 - - 65.7 - - 66.5 - - 60.0 Temp@2m Sfc.Heating - - - 261 - - 324 - - 121 - - -13 Sfc.Heating BL Depth - - - 5382 - - 5702 - - 5216 - - 76 BL Depth Hcrit - - - 4380 - - 4726 - - 3804 - - 768 Hcrit BL Top - - - 6091 - - 6411 - - 5925 - - 785 BL Top Hgt.Variab. - - - 2806 - - 3488 - - 4479 - - 6591 Hgt.Variab. W* - - - 459 - - 501 - - 353 - - 11 W* B/S - - - 5 - - 5 - - 4 - - 1 B/S BL Wind - - - 18 - - 19 - - 17 - - 4 BL Wind Direction - - - 284 - - 302 - - 298 - - 321 Direction Wind Shear - - - 9 - - 10 - - 10 - - 0 Wind Shear Max.Converg - - - 5 - - 6 - - -10 - - 1 Max.Converg CLOUDpotent - - - 202 - - -31 - - -1710 - - -4916 CLOUDpotentl sfcLCL - - - 5889 - - 6443 - - 7635 - - 5701 sfcLCL ODpotential - - - -544 - - -639 - - -2576 - - -6482 ODpotential blCL - - - 6635 - - 7050 - - 8501 - - 7267 blCL maxRH - - - 70 - - 90 - - 87 - - 70 maxRH CAPE - - - 60 - - 70 - - 30 - - 10 CAPE Temp@2m - - - 64.8 - - 65.7 - - 66.5 - - 60.0 Temp@2m DewPt@2m - - - 41.6 - - 40.1 - - 35.7 - - 38.1 DewPt@2m Temp@Bot - - - 63.0 - - 63.8 - - 65.4 - - 62.0 Temp@Bot DewPt@Bot - - - 40.7 - - 39.2 - - 34.8 - - 37.5 DewPt@bot Sfc.Heating - - - 261 - - 324 - - 121 - - -13 Sfc.Heating BL Depth - - - 5382 - - 5702 - - 5216 - - 76 BL Depth EXPERIMENT - - - 0 - - 60 - - 49 - - 0 EXPERIMENT EXPERIMENT2 - - - 5 - - 5 - - 4 - - 5 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] 98392 7 209 17 235 17 272 13 282 98392 90926 13 252 8 226 11 241 10 260 90926 85126 9 233 9 236 10 265 13 258 85126 80303 6 199 9 213 11 214 13 243 80303 76132 14 245 8 226 9 225 11 263 76132 72428 17 233 16 225 23 218 18 253 72428 69074 15 231 18 239 21 241 26 259 69074 66014 16 222 12 241 13 253 17 241 66014 63160 23 249 22 248 16 257 19 275 63160 60376 35 269 36 261 35 262 36 272 60376 57491 38 267 37 259 41 259 37 281 57491 54512 33 251 32 248 34 267 44 275 54512 51679 30 258 34 259 42 263 41 263 51679 49131 41 266 43 260 41 263 38 262 49131 46847 51 267 47 263 44 261 41 268 46847 44782 56 267 49 263 44 261 45 269 44782 42897 61 268 52 265 47 269 47 269 42897 41162 69 265 59 268 55 273 49 272 41162 39559 79 262 68 267 62 272 53 273 39559 38071 91 260 75 264 67 268 57 271 38071 36684 101 255 79 262 70 265 58 268 36684 35355 104 251 85 260 73 264 57 266 35355 34011 104 249 90 256 75 262 57 265 34011 32622 106 248 90 254 75 261 58 265 32622 31189 107 247 87 254 73 261 57 266 31189 29702 106 247 84 256 67 261 53 266 29702 28151 101 248 78 257 58 263 45 265 28151 26538 91 248 67 260 49 265 38 267 26538 24855 79 250 56 262 43 263 35 267 24855 23098 69 254 47 263 40 260 33 264 23098 21267 64 256 40 265 36 259 30 260 21267 19357 57 257 35 272 30 259 26 258 19357 17362 51 262 35 278 25 266 23 264 17362 15321 48 270 34 283 25 280 21 273 15321 13348 46 275 29 287 25 284 20 274 13348 11554 43 278 23 286 24 282 20 266 11554 9964 39 281 21 280 23 280 21 262 9964 8553 31 281 22 281 22 282 20 271 8553 7296 26 282 22*284 21 287 19 282 7296 6177 24*282 21*289 20*292 18 291 6177 5184 20*283 20 298 19*294 17 298 5184 4306 19 283 19 301 19 296 17 304 4306 3531 19 284 19 303 18 297 17 308 3531 2836 18 284 19 305 17 299 16 310 2836 2222 18 285 19 306 17 299 16 312 2222 1709 17 285 18 307 16 300 15 314 1709 1315 16 286 18 308 15 300 13 316 1315 1043 15 286 17 308 14 301 11 318 1043 879 14 286 15 308 13 301 8*320 879 785 11 286 12 309 10 301 4*321 785 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