DrJack's BLIPSPOT for: THU 01/29 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 - - 1333z Update Time FCST PERIOD - - - - - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 17.3 - - 19.2 - - 13.7 Temp@2m Sfc.Heating - - - - - - 98 - - 19 - - -10 Sfc.Heating BL Depth - - - - - - 73 - - 73 - - 73 BL Depth Hcrit - - - - - - 765 - - 766 - - 765 Hcrit BL Top - - - - - - 782 - - 782 - - 782 BL Top Hgt.Variab. - - - - - - 4271 - - 4374 - - 3417 Hgt.Variab. W* - - - - - - 79 - - 47 - - 10 W* B/S - - - - - - 2 - - 1 - - 1 B/S BL Wind - - - - - - 8 - - 8 - - 4 BL Wind Direction - - - - - - 287 - - 294 - - 285 Direction Wind Shear - - - - - - 0 - - 0 - - 0 Wind Shear Max.Converg - - - - - - 2 - - 2 - - 1 Max.Converg CLOUDpotent - - - - - - -1947 - - -1796 - - -1116 CLOUDpotentl sfcLCL - - - - - - 2729 - - 2578 - - 1899 sfcLCL ODpotential - - - - - - -1839 - - -1881 - - -2163 ODpotential blCL - - - - - - 2621 - - 2663 - - 2945 blCL maxRH - - - - - - 98 - - 98 - - 92 maxRH CAPE - - - - - - 0 - - 0 - - 0 CAPE Temp@2m - - - - - - 17.3 - - 19.2 - - 13.7 Temp@2m DewPt@2m - - - - - - 8.4 - - 11.0 - - 8.6 DewPt@2m Temp@Bot - - - - - - 16.4 - - 18.8 - - 15.6 Temp@Bot DewPt@Bot - - - - - - 7.4 - - 10.3 - - 8.4 DewPt@bot Sfc.Heating - - - - - - 98 - - 19 - - -10 Sfc.Heating BL Depth - - - - - - 73 - - 73 - - 73 BL Depth EXPERIMENT - - - - - - 92 - - 91 - - 67 EXPERIMENT EXPERIMENT2 - - - - - - 1 - - 2 - - 1 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] 96190 73 227 61 227 63 228 96190 88792 59 214 58 216 62 222 88792 83014 54 222 58 220 68 238 83014 78194 74 250 67 243 79 250 78194 74077 88 257 78 257 84 255 74077 70505 85 254 79 257 79 256 70505 67319 73 251 74 257 71 262 67319 64398 65 255 70 261 74 270 64398 61689 67 262 72 264 80 268 61689 59056 72 265 78 265 82 262 59056 56292 76 266 84 267 82 260 56292 53403 82 268 88 266 84 264 53403 50625 87 269 86 264 90 268 50625 48107 90 270 87 266 94 269 48107 45832 91 268 89 266 96 268 45832 43759 89 267 89 265 98 266 43759 41857 89 271 87 266 99 266 41857 40109 99 271 90 269 101 265 40109 38494 99 267 103 267 101 263 38494 36994 100 270 111 268 99 265 36994 35598 115 271 119 264 100 268 35598 34268 122 268 115 262 96 267 34268 32941 118 267 110 264 86 264 32941 31588 124 270 115 264 75 267 31588 30193 123 271 118 263 75 269 30193 28735 120 270 118 263 79 270 28735 27203 113 269 113 264 81 271 27203 25598 106 270 100 266 83 270 25598 23914 103 270 87 269 83 269 23914 22152 101 272 85 271 82 270 22152 20321 97 276 85 272 82 272 20321 18419 88 281 82 273 82 275 18419 16452 72 284 75 275 72 276 16452 14465 60 290 66 279 60 275 14465 12563 55 295 58 285 52 277 12563 10838 50 297 53 288 46 281 10838 9308 44 298 47 290 40 285 9308 7955 38 301 40 292 36 287 7955 6758 32 302 32 291 31 287 6758 5707 25 294 24 286 26 282 5707 4786 20 282 21 288 23 281 4786 3983 19 281 20 289 21 287 3983 3276 18 281 19 291 19 293 3276 2645 17 283 18 292 18 295 2645 2086 16 284 17 293 17 298 2086 1620 15 285 16 294 15 300 1620 1262 14 286 15 294 12 300 1262 1016 13 286 13 294 9 297 1016 867 11*287 11 295 7*292 867 782 8*287 8*294 4*285 782 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