DrJack's BLIPSPOT for: WED 03/25 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 - - - - - - 0659z - - 1002z - - 1331z Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 57.4 - - 59.9 - - 53.3 Temp@2m Sfc.Heating - - - - - - 248 - - 103 - - -41 Sfc.Heating BL Depth - - - - - - 2770 - - 2396 - - 75 BL Depth Hcrit - - - - - - 2378 - - 1667 - - 768 Hcrit BL Top - - - - - - 3479 - - 3105 - - 784 BL Top Hgt.Variab. - - - - - - 1184 - - 1620 - - 858 Hgt.Variab. W* - - - - - - 361 - - 258 - - 19 W* B/S - - - - - - 6 - - 2 - - 1 B/S BL Wind - - - - - - 12 - - 20 - - 6 BL Wind Direction - - - - - - 168 - - 177 - - 159 Direction Wind Shear - - - - - - 6 - - 11 - - 0 Wind Shear Max.Converg - - - - - - -4 - - -8 - - -3 Max.Converg CLOUDpotent - - - - - - -3023 - - -5020 - - -6056 CLOUDpotentl sfcLCL - - - - - - 6502 - - 8125 - - 6840 sfcLCL ODpotential - - - - - - -7658 - - -10869 - - -13728 ODpotential blCL - - - - - - 11137 - - 13974 - - 14512 blCL maxRH - - - - - - 92 - - 88 - - 42 maxRH CAPE - - - - - - 0 - - 0 - - 0 CAPE Temp@2m - - - - - - 57.4 - - 59.9 - - 53.3 Temp@2m DewPt@2m - - - - - - 31.9 - - 27.2 - - 26.7 DewPt@2m Temp@Bot - - - - - - 55.6 - - 58.9 - - 55.1 Temp@Bot DewPt@Bot - - - - - - 30.7 - - 26.3 - - 25.8 DewPt@bot Sfc.Heating - - - - - - 248 - - 103 - - -41 Sfc.Heating BL Depth - - - - - - 2770 - - 2396 - - 75 BL Depth EXPERIMENT - - - - - - 68 - - 53 - - 0 EXPERIMENT EXPERIMENT2 - - - - - - 3 - - 3 - - 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] 96422 36 241 30 245 24 257 96422 89234 18 247 26 257 15 256 89234 83664 12 259 20 233 26 257 83664 79043 26 270 26 270 23 262 79043 75052 26 266 32 265 23 278 75052 71509 30 278 28 270 38 286 71509 68323 35 280 34 277 44 290 68323 65395 40 280 44 295 42 290 65395 62665 42 289 54 303 46 306 62665 60016 50 300 67 299 55 307 60016 57257 62 303 66 295 60 301 57257 54389 64 301 59 298 59 294 54389 51635 59 301 59 307 54 299 51635 49141 54 309 60 312 55 308 49141 46898 64 319 60 316 64 313 46898 44873 74 319 74 316 77 313 44873 43046 85 316 85 314 91 315 43046 41388 89 315 89 314 101 314 41388 39861 83 313 91 314 99 312 39861 38438 73 312 91 314 95 314 38438 37094 65 313 85 312 95 314 37094 35789 63 317 77 310 93 312 35789 34458 62 319 72 309 86 311 34458 33075 53 313 74 307 76 309 33075 31644 52 301 72 300 69 305 31644 30151 59 300 63 292 66 300 30151 28582 61 304 58 289 63 297 28582 26936 61 304 54 290 56 292 26936 25211 57 300 49 295 47 286 25211 23411 51 295 45 298 45 287 23411 21534 47 284 43 294 41 292 21534 19573 49 274 38 287 37 294 19573 17523 48 269 35 278 34 287 17523 15430 41 267 35 272 35 275 15430 13420 34 262 33 272 37 269 13420 11597 31 255 26 270 36 265 11597 9979 31 249 25 262 35 260 9979 8543 29 244 26 251 33 253 8543 7269 24 240 25 239 30 246 7269 6139 20 233 23 226 27 240 6139 5143 18 218 21 213 26 228 5143 4268 14*199 22 197 27 210 4268 3498 12*180 22*183 29 197 3498 2809 12 172 22*180 29 190 2809 2201 12 167 21 178 28 185 2201 1695 12 164 21 176 25 179 1695 1306 11 162 20 175 21 173 1306 1039 11 160 18 174 16 168 1039 877 10 160 16 173 12 164 877 784 8 159 11 173 6*159 784 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