DrJack's BLIPSPOT for: SAT 05/16 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 = 09Z 21Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - - - - 0659z - - 1002z - - - Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - - FCST PERIOD Temp@2m - - - - - - 80.2 - - 83.6 - - - Temp@2m Sfc.Heating - - - - - - 261 - - 31 - - - Sfc.Heating BL Depth - - - - - - 4167 - - 77 - - - BL Depth Hcrit - - - - - - 3459 - - 770 - - - Hcrit BL Top - - - - - - 4876 - - 786 - - - BL Top Hgt.Variab. - - - - - - 1456 - - 8590 - - - Hgt.Variab. W* - - - - - - 425 - - 60 - - - W* B/S - - - - - - 9 - - 1 - - - B/S BL Wind - - - - - - 8 - - 8 - - - BL Wind Direction - - - - - - 208 - - 220 - - - Direction Wind Shear - - - - - - 5 - - 0 - - - Wind Shear Max.Converg - - - - - - -4 - - -1 - - - Max.Converg CLOUDpotent - - - - - - -4213 - - -7507 - - - CLOUDpotentl sfcLCL - - - - - - 9090 - - 8294 - - - sfcLCL ODpotential - - - - - - -8968 - - -8423 - - - ODpotential blCL - - - - - - 13844 - - 9209 - - - blCL maxRH - - - - - - 63 - - 99 - - - maxRH CAPE - - - - - - 0 - - 40 - - - CAPE Temp@2m - - - - - - 80.2 - - 83.6 - - - Temp@2m DewPt@2m - - - - - - 43.1 - - 50.0 - - - DewPt@2m Temp@Bot - - - - - - 78.2 - - 83.0 - - - Temp@Bot DewPt@Bot - - - - - - 42.0 - - 49.0 - - - DewPt@bot Sfc.Heating - - - - - - 261 - - 31 - - - Sfc.Heating BL Depth - - - - - - 4167 - - 77 - - - BL Depth EXPERIMENT - - - - - - 0 - - 95 - - - EXPERIMENT EXPERIMENT2 - - - - - - 6 - - 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] 98095 5 023 9 328 98095 90685 8 312 8 300 90685 84980 7 259 2 313 84980 80263 2 215 4 278 80263 76207 4 104 3 267 76207 72607 4 105 6 206 72607 69332 1 271 7 185 69332 66313 9 283 6 204 66313 63524 14 266 3 274 63524 60843 9 228 8 294 60843 58050 7 252 16 281 58050 55153 8 227 16 260 55153 52408 8 215 12 218 52408 49962 8 272 11 197 49962 47762 12 299 11 201 47762 45753 18 308 16 247 45753 43913 23 282 24 257 43913 42223 26 254 30 262 42223 40665 26 244 31 254 40665 39219 28 252 31 250 39219 37867 29 259 32 249 37867 36562 29 264 28 261 36562 35229 29 267 30 266 35229 33840 30 267 29 260 33840 32395 27 266 27 260 32395 30880 26 261 26 260 30880 29282 29 265 29 261 29282 27601 28 257 31 259 27601 25838 27 248 30 254 25838 23994 29 248 29 252 23994 22073 32 249 29 252 22073 20076 28 251 30 254 20076 17995 21 257 34 256 17995 15871 21 263 31 251 15871 13825 22 271 31 248 13825 11964 20 279 31 252 11964 10311 19 283 28 258 10311 8844 25 275 24 261 8844 7539 27 271 22 259 7539 6377 21 263 19 252 6377 5347 11*229 17 242 5347 4438 10*218 15 233 4438 3634 9 212 14 225 3634 2914 9 208 13 223 2914 2277 8 207 13 222 2277 1745 8 205 12 222 1745 1336 7 203 12 221 1336 1055 7 202 11 221 1055 884 6 202 10 220 884 786 5 201 8*220 786 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