DrJack's BLIPSPOT for: SAT 03/28 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 - - - 36.2 - - 41.0 - - 43.4 - - 38.7 Temp@2m Sfc.Heating - - - 143 - - 329 - - 213 - - -7 Sfc.Heating BL Depth - - - 4962 - - 5024 - - 4718 - - 75 BL Depth Hcrit - - - 3726 - - 4195 - - 3754 - - 767 Hcrit BL Top - - - 5671 - - 5733 - - 5427 - - 784 BL Top Hgt.Variab. - - - 1528 - - 1463 - - 1324 - - 4115 Hgt.Variab. W* - - - 366 - - 480 - - 406 - - 10 W* B/S - - - 4 - - 5 - - 5 - - 1 B/S BL Wind - - - 19 - - 18 - - 16 - - 3 BL Wind Direction - - - 327 - - 323 - - 320 - - 359 Direction Wind Shear - - - 11 - - 9 - - 7 - - 0 Wind Shear Max.Converg - - - 7 - - 6 - - 5 - - 1 Max.Converg CLOUDpotent - - - 893 - - 134 - - -730 - - -3568 CLOUDpotentl sfcLCL - - - 4778 - - 5599 - - 6157 - - 4352 sfcLCL ODpotential - - - 267 - - -416 - - -5994 - - -8412 ODpotential blCL - - - 5404 - - 6149 - - 11421 - - 9196 blCL maxRH - - - 92 - - 83 - - 79 - - 66 maxRH CAPE - - - 0 - - 0 - - 0 - - 0 CAPE Temp@2m - - - 36.2 - - 41.0 - - 43.4 - - 38.7 Temp@2m DewPt@2m - - - 18.4 - - 19.5 - - 19.4 - - 23.0 DewPt@2m Temp@Bot - - - 35.0 - - 39.1 - - 42.0 - - 40.2 Temp@Bot DewPt@Bot - - - 17.2 - - 18.5 - - 18.6 - - 22.1 DewPt@bot Sfc.Heating - - - 143 - - 329 - - 213 - - -7 Sfc.Heating BL Depth - - - 4962 - - 5024 - - 4718 - - 75 BL Depth EXPERIMENT - - - 70 - - 31 - - 17 - - 0 EXPERIMENT EXPERIMENT2 - - - 2 - - 2 - - 2 - - 3 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] 96397 41 243 37 230 44 240 38 267 96397 89084 36 243 40 243 36 244 40 254 89084 83494 32 239 40 234 38 248 38 234 83494 78844 38 242 40 241 46 255 42 258 78844 74849 36 243 33 242 37 245 42 253 74849 71326 31 239 26 260 35 249 36 250 71326 68118 46 257 43 260 41 270 45 266 68118 65163 44 257 51 260 51 269 53 280 65163 62440 49 275 58 268 68 266 65 276 62440 59816 61 270 68 264 78 261 69 272 59816 57057 69 255 76 255 78 261 75 267 57057 54159 76 252 81 255 81 265 81 267 54159 51376 89 261 92 262 83 265 85 269 51376 48872 105 265 98 262 81 268 90 273 48872 46629 108 265 97 263 86 271 91 276 46629 44593 108 266 95 265 93 272 90 278 44593 42730 105 267 93 267 98 275 93 283 42730 41029 104 268 100 276 107 278 105 285 41029 39467 110 269 115 277 116 278 111 288 39467 38019 118 267 125 272 119 274 119 291 38019 36663 121 263 126 266 111 272 123 292 36663 35356 120 259 117 263 103 279 126 294 35356 34029 115 258 108 268 106 285 129 296 34029 32649 112 263 109 274 105 285 130 295 32649 31217 114 268 112 274 101 285 123 293 31217 29723 115 267 113 271 99 286 113 290 29723 28155 115 265 114 271 97 287 105 295 28155 26510 114 265 109 274 95 290 97 296 26510 24787 114 268 104 277 95 292 93 289 24787 22983 110 269 101 281 94 296 94 288 22983 21104 103 274 97 284 91 298 88 287 21104 19154 103 281 90 290 87 298 76 285 19154 17126 107 286 83 299 81 299 66 286 17126 15065 97 296 75 308 67 306 56 293 15065 13088 78 304 68 315 54 311 50 304 13088 11297 63 308 61 319 47 311 41 311 11297 9710 55 313 53 319 42 313 35 312 9710 8306 45 317 45 318 37 315 31 311 8306 7065 25 320 25 315 26 308 27 308 7065 5970 22*322 21*317 17*312 21 293 5970 5007 22*323 20*319 17*314 16 285 5007 4161 20 325 19 321 16 316 14 292 4161 3415 20 326 19 323 16 319 12 302 3415 2747 19 327 18 324 16 321 12 311 2747 2158 19 328 18 325 16 323 11 320 2158 1666 18 329 17 326 15 324 10 328 1666 1290 17 329 16 327 15 325 9 335 1290 1030 16 329 16 327 14 325 8 342 1030 873 14 329 14 327 13 326 6*349 873 784 11 329 11 327 10 326 3*359 784 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