DrJack's BLIPSPOT for: SAT 04/25 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 - - - - - - 0953z - - 1001z - - 1334z Update Time FCST PERIOD - - - - - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 70.7 - - 64.4 - - 57.3 Temp@2m Sfc.Heating - - - - - - 106 - - 7 - - 7 Sfc.Heating BL Depth - - - - - - 2797 - - 76 - - 76 BL Depth Hcrit - - - - - - 1995 - - 769 - - 768 Hcrit BL Top - - - - - - 3506 - - 785 - - 785 BL Top Hgt.Variab. - - - - - - 2628 - - 2774 - - 1633 Hgt.Variab. W* - - - - - - 277 - - 39 - - 36 W* B/S - - - - - - 7 - - 1 - - 1 B/S BL Wind - - - - - - 7 - - 5 - - 7 BL Wind Direction - - - - - - 123 - - 125 - - 105 Direction Wind Shear - - - - - - 3 - - 0 - - 0 Wind Shear Max.Converg - - - - - - 21 - - -1 - - -2 Max.Converg CLOUDpotent - - - - - - -762 - - -627 - - -383 CLOUDpotentl sfcLCL - - - - - - 4268 - - 1413 - - 1168 sfcLCL ODpotential - - - - - - -1668 - - -936 - - -682 ODpotential blCL - - - - - - 5174 - - 1721 - - 1467 blCL maxRH - - - - - - 100 - - 99 - - 99 maxRH CAPE - - - - - - 100 - - 420 - - 40 CAPE Temp@2m - - - - - - 70.7 - - 64.4 - - 57.3 Temp@2m DewPt@2m - - - - - - 54.5 - - 60.5 - - 54.7 DewPt@2m Temp@Bot - - - - - - 69.6 - - 63.9 - - 56.9 Temp@Bot DewPt@Bot - - - - - - 53.5 - - 60.1 - - 54.4 DewPt@bot Sfc.Heating - - - - - - 106 - - 7 - - 7 Sfc.Heating BL Depth - - - - - - 2797 - - 76 - - 76 BL Depth EXPERIMENT - - - - - - 101 - - 96 - - 96 EXPERIMENT EXPERIMENT2 - - - - - - 9 - - 12 - - 9 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] 97464 31 258 32 274 31 270 97464 90084 28 244 31 259 28 272 90084 84400 23 237 24 255 19 262 84400 79667 15 230 23 245 18 267 79667 75582 10 239 10 235 16 258 75582 71966 4 296 3 168 11 250 71966 68709 4 318 3 226 6 278 68709 65722 5 302 6 264 9 328 65722 62953 9 313 10 291 14 286 62953 60277 15 310 14 310 14 296 60277 57481 19 300 21 301 20 296 57481 54578 26 294 29 295 26 289 54578 51805 30 296 30 292 25 281 51805 49302 34 283 36 286 25 279 49302 47057 32 262 37 271 29 275 47057 45032 37 254 41 267 46 272 45032 43204 41 242 50 243 49 248 43204 41532 35 241 47 225 45 241 41532 39988 30 262 39 232 52 246 39988 38555 63 273 57 254 61 243 38555 37213 60 264 57 248 63 238 37213 35911 64 262 51 240 63 229 35911 34583 60 262 52 238 58 223 34583 33202 47 259 53 241 54 229 33202 31772 44 249 56 241 49 235 31772 30275 46 244 57 239 46 238 30275 28700 41 231 55 236 37 238 28700 27048 39 229 52 235 28 244 27048 25316 37 236 45 236 25 253 25316 23505 38 245 36 242 25 252 23505 21619 36 246 31 254 25 245 21619 19652 33 249 32 253 24 243 19652 17602 30 245 32 249 26 244 17602 15515 27 242 29 250 32 250 15515 13505 25 244 27 250 34 259 13505 11677 25 244 26 248 29 269 11677 10054 22 240 23 253 23 266 10054 8612 18 234 21 256 21 259 8612 7332 14 227 18 252 19 256 7332 6196 11 217 15 241 16 251 6196 5190 8 191 13 216 14 241 5190 4303 7 149 12 183 14 219 4303 3520 8*135 12 151 13 192 3520 2822 8*129 12 138 13 160 2822 2209 7 125 10 139 14 129 2209 1700 7 122 10 132 13 115 1700 1310 7 120 9 129 12 111 1310 1041 6 118 9 128 11 108 1041 878 6 117 8 126 10*107 878 785 5 118 5*125 7*105 785 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