DrJack's BLIPSPOT for: WED 02/18 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 - - - - - - 61.2 - - 60.8 - - 57.1 Temp@2m Sfc.Heating - - - - - - 14 - - -7 - - -2 Sfc.Heating BL Depth - - - - - - 76 - - 76 - - 76 BL Depth Hcrit - - - - - - 769 - - 769 - - 769 Hcrit BL Top - - - - - - 785 - - 785 - - 785 BL Top Hgt.Variab. - - - - - - 4487 - - 3710 - - 203 Hgt.Variab. W* - - - - - - 52 - - 14 - - 4 W* B/S - - - - - - 2 - - 1 - - 0 B/S BL Wind - - - - - - 6 - - 3 - - 2 BL Wind Direction - - - - - - 225 - - 204 - - 244 Direction Wind Shear - - - - - - 0 - - 0 - - 0 Wind Shear Max.Converg - - - - - - -1 - - -1 - - -1 Max.Converg CLOUDpotent - - - - - - -2910 - - -1584 - - -1175 CLOUDpotentl sfcLCL - - - - - - 3695 - - 2369 - - 1960 sfcLCL ODpotential - - - - - - -3953 - - -3248 - - -4111 ODpotential blCL - - - - - - 4738 - - 4033 - - 4896 blCL maxRH - - - - - - 88 - - 100 - - 89 maxRH CAPE - - - - - - 0 - - 50 - - 90 CAPE Temp@2m - - - - - - 61.2 - - 60.8 - - 57.1 Temp@2m DewPt@2m - - - - - - 47.6 - - 53.0 - - 51.2 DewPt@2m Temp@Bot - - - - - - 60.9 - - 62.7 - - 61.3 Temp@Bot DewPt@Bot - - - - - - 46.3 - - 52.0 - - 50.9 DewPt@bot Sfc.Heating - - - - - - 14 - - -7 - - -2 Sfc.Heating BL Depth - - - - - - 76 - - 76 - - 76 BL Depth EXPERIMENT - - - - - - 51 - - 101 - - 55 EXPERIMENT EXPERIMENT2 - - - - - - 7 - - 9 - - 8 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] 96776 28 068 25 073 32 065 96776 89621 23 078 15 077 23 054 89621 84040 20 085 12 080 14 033 84040 79378 12 058 11 086 6 011 79378 75348 4 090 6 012 5 025 75348 71778 2 014 4 316 8 329 71778 68546 7 318 6 256 9 279 68546 65564 19 309 11 309 7 265 65564 62794 27 283 22 286 21 284 62794 60139 29 265 23 284 25 262 60139 57376 26 267 19 267 29 261 57376 54516 32 279 34 272 47 271 54516 51785 56 279 63 283 58 275 51785 49290 82 275 79 269 70 269 49290 47034 87 267 84 266 80 260 47034 44997 86 266 95 264 89 260 44997 43147 99 269 95 263 107 263 43147 41454 120 273 110 272 130 266 41454 39895 138 271 140 271 148 265 39895 38442 142 265 152 266 149 261 38442 37074 134 264 148 266 149 260 37074 35751 131 266 139 264 148 262 35751 34406 130 265 136 259 141 261 34406 33012 125 262 139 259 138 258 33012 31567 124 259 137 259 139 260 31567 30062 125 260 132 260 122 264 30062 28491 123 262 123 263 100 264 28491 26850 117 264 109 264 94 260 26850 25133 105 263 92 261 97 256 25133 23336 90 259 79 257 94 254 23336 21463 78 257 79 255 91 258 21463 19517 73 259 80 256 85 265 19517 17496 72 263 74 255 65 268 17496 15435 67 265 64 254 55 264 15435 13446 64 264 64 263 54 263 13446 11637 62 262 68 272 46 271 11637 10030 53 257 61 275 40 277 10030 8605 41 253 52 270 38 276 8605 7338 34 255 45 264 38 273 7338 6212 31 256 38 259 38 270 6212 5212 27 253 32 253 36 268 5212 4330 25 248 26 244 31 264 4330 3550 22 245 24 240 25 261 3550 2851 20 242 22 237 23 257 2851 2232 18 238 19 235 20 253 2232 1714 15 233 16 234 17 252 1714 1318 12 229 12 231 11 255 1318 1045 9 227 9 228 7 261 1045 879 8 226 6*221 4*259 879 785 6*225 3*204 2*244 785 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