DrJack's BLIPSPOT for: FRI 02/13 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 - - 1001z - - 1334z Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 31.4 - - 34.7 - - 31.0 Temp@2m Sfc.Heating - - - - - - 108 - - 23 - - -5 Sfc.Heating BL Depth - - - - - - 2295 - - 74 - - 74 BL Depth Hcrit - - - - - - 1644 - - 767 - - 766 Hcrit BL Top - - - - - - 3004 - - 783 - - 783 BL Top Hgt.Variab. - - - - - - 1288 - - 3715 - - 2420 Hgt.Variab. W* - - - - - - 260 - - 51 - - 11 W* B/S - - - - - - 4 - - 2 - - 1 B/S BL Wind - - - - - - 11 - - 5 - - 3 BL Wind Direction - - - - - - 312 - - 308 - - 292 Direction Wind Shear - - - - - - 7 - - 0 - - 0 Wind Shear Max.Converg - - - - - - -4 - - 2 - - 0 Max.Converg CLOUDpotent - - - - - - 219 - - -1738 - - -785 CLOUDpotentl sfcLCL - - - - - - 2786 - - 2522 - - 1568 sfcLCL ODpotential - - - - - - -803 - - -1963 - - -2011 ODpotential blCL - - - - - - 3807 - - 2746 - - 2794 blCL maxRH - - - - - - 83 - - 86 - - 79 maxRH CAPE - - - - - - 0 - - 0 - - 0 CAPE Temp@2m - - - - - - 31.4 - - 34.7 - - 31.0 Temp@2m DewPt@2m - - - - - - 22.3 - - 26.8 - - 27.3 DewPt@2m Temp@Bot - - - - - - 30.4 - - 34.2 - - 32.3 Temp@Bot DewPt@Bot - - - - - - 21.2 - - 25.7 - - 26.6 DewPt@bot Sfc.Heating - - - - - - 108 - - 23 - - -5 Sfc.Heating BL Depth - - - - - - 2295 - - 74 - - 74 BL Depth EXPERIMENT - - - - - - 33 - - 43 - - 15 EXPERIMENT EXPERIMENT2 - - - - - - 2 - - 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] 96164 14 307 7 030 18 332 96164 89233 10 351 13 003 12 358 89233 83749 11 006 14 347 10 349 83749 79120 6 329 12 299 14 334 79120 75102 5 332 11 272 22 335 75102 71548 16 304 19 283 25 305 71548 68311 9 262 18 237 22 286 68311 65302 20 305 25 294 25 294 65302 62494 36 294 40 295 31 299 62494 59769 42 288 45 285 41 295 59769 56919 46 289 45 284 50 287 56919 53950 52 284 49 286 53 283 53950 51112 53 282 54 290 54 286 51112 48557 54 283 60 291 58 293 48557 46270 55 287 65 290 64 294 46270 44199 56 290 66 288 69 292 44199 42311 58 293 66 288 72 290 42311 40574 60 295 67 291 70 291 40574 38962 65 295 68 293 69 295 38962 37465 71 291 70 294 72 296 37465 36070 71 289 68 293 73 297 36070 34741 69 294 70 298 72 297 34741 33412 70 300 78 303 70 304 33412 32054 70 304 82 304 75 307 32054 30663 73 308 81 305 79 310 30663 29218 77 310 76 305 79 309 29218 27697 76 311 70 306 77 306 27697 26098 72 313 65 307 73 303 26098 24424 70 313 62 310 73 298 24424 22674 66 316 58 310 73 297 22674 20845 63 321 54 307 66 297 20845 18935 58 320 52 309 57 299 18935 16939 50 318 50 313 49 302 16939 14903 45 316 44 313 43 302 14903 12946 40 315 38 314 38 299 12946 11174 36 314 34 315 35 297 11174 9606 33 313 31 316 31 298 9606 8219 29 312 28 315 27 301 8219 6991 25 310 25 309 25 300 6991 5905 22 313 22 298 23 295 5905 4949 21 314 20 287 22 288 4949 4111 18 308 17 286 20 283 4111 3374 15*308 15 290 18 285 3374 2717 14*309 13 295 16 290 2717 2137 13 311 11 299 15 294 2137 1653 12 312 10 303 13 297 1653 1282 11 313 8 305 11 301 1282 1026 10 313 8 307 9 303 1026 871 9 314 6 307 6*302 871 783 7 314 5*308 3*292 783 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