DrJack's BLIPSPOT for: THU 03/12 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 - - - - - - 0953z - - 1001z - - 1334z Update Time FCST PERIOD - - - - - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 42.4 - - 42.4 - - 36.2 Temp@2m Sfc.Heating - - - - - - 170 - - 48 - - -26 Sfc.Heating BL Depth - - - - - - 3294 - - 75 - - 74 BL Depth Hcrit - - - - - - 2639 - - 767 - - 767 Hcrit BL Top - - - - - - 4003 - - 784 - - 783 BL Top Hgt.Variab. - - - - - - 1454 - - 8900 - - 5344 Hgt.Variab. W* - - - - - - 347 - - 68 - - 24 W* B/S - - - - - - 2 - - 1 - - 1 B/S BL Wind - - - - - - 25 - - 15 - - 5 BL Wind Direction - - - - - - 312 - - 306 - - 302 Direction Wind Shear - - - - - - 14 - - 0 - - 0 Wind Shear Max.Converg - - - - - - 13 - - 5 - - 2 Max.Converg CLOUDpotent - - - - - - 334 - - -3904 - - -1791 CLOUDpotentl sfcLCL - - - - - - 3669 - - 4689 - - 2574 sfcLCL ODpotential - - - - - - -2664 - - -4108 - - -2727 ODpotential blCL - - - - - - 6667 - - 4892 - - 3510 blCL maxRH - - - - - - 89 - - 86 - - 69 maxRH CAPE - - - - - - 0 - - 80 - - 40 CAPE Temp@2m - - - - - - 42.4 - - 42.4 - - 36.2 Temp@2m DewPt@2m - - - - - - 29.1 - - 24.6 - - 28.0 DewPt@2m Temp@Bot - - - - - - 41.3 - - 41.8 - - 37.1 Temp@Bot DewPt@Bot - - - - - - 27.9 - - 23.5 - - 26.9 DewPt@bot Sfc.Heating - - - - - - 170 - - 48 - - -26 Sfc.Heating BL Depth - - - - - - 3294 - - 75 - - 74 BL Depth EXPERIMENT - - - - - - 56 - - 46 - - 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] 96201 8 315 10 273 10 300 96201 89116 8 266 8 334 5 341 89116 83614 12 220 10 259 9 268 83614 79046 9 202 10 214 11 251 79046 75093 8 238 8 246 16 248 75093 71578 23 219 19 262 18 229 71578 68368 26 208 27 238 23 225 68368 65390 25 229 34 210 32 236 65390 62618 35 236 38 217 43 232 62618 59944 42 229 43 223 49 222 59944 57156 46 228 46 214 50 220 57156 54240 48 226 54 231 61 234 54240 51443 59 232 64 236 68 239 51443 48918 79 235 77 239 76 234 48918 46650 93 231 86 234 78 227 46650 44585 92 229 90 230 71 225 44585 42684 87 231 92 231 66 231 42684 40912 89 232 99 232 70 238 40912 39250 107 232 107 231 76 242 39250 37692 108 225 115 225 88 243 37692 36237 108 216 121 217 101 242 36237 34849 111 215 127 210 116 236 34849 33463 116 208 123 206 118 224 33463 32042 122 207 115 206 98 221 32042 30583 123 209 114 209 86 228 30583 29076 118 208 115 211 93 234 29076 27512 105 206 113 210 94 229 27512 25886 93 210 108 208 80 230 25886 24191 90 212 99 211 65 251 24191 22427 87 209 92 220 66 267 22427 20598 81 206 91 220 72 272 20598 18698 77 206 87 219 76 275 18698 16721 74 211 79 220 76 278 16721 14708 73 220 65 225 71 281 14708 12777 72 228 49 245 64 285 12777 11043 53 245 44 273 58 289 11043 9522 34 281 41 289 49 293 9522 8175 33 310 41 293 42 295 8175 6976 36 317 41 296 39 296 6976 5909 35 318 38 299 36 297 5909 4962 30 314 35 303 33 299 4962 4128 28*312 33 304 30 302 4128 3391 28*312 32 305 27 305 3391 2731 27 312 31 305 25 306 2731 2147 27 312 30 306 23 307 2147 1660 26 313 29 306 21 308 1660 1286 25 313 27 306 17 307 1286 1029 23 313 24 307 13 305 1029 872 20 313 20*306 10 303 872 783 14 313 15*306 5*302 783 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