DrJack's BLIPSPOT for: SAT 03/07 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 - - - - - - 66.8 - - 72.1 - - 64.3 Temp@2m Sfc.Heating - - - - - - 106 - - -1 - - -60 Sfc.Heating BL Depth - - - - - - 694 - - 77 - - 77 BL Depth Hcrit - - - - - - 769 - - 769 - - 769 Hcrit BL Top - - - - - - 1403 - - 786 - - 786 BL Top Hgt.Variab. - - - - - - 670 - - 2757 - - 322 Hgt.Variab. W* - - - - - - 178 - - 39 - - 17 W* B/S - - - - - - 3 - - 1 - - 0 B/S BL Wind - - - - - - 11 - - 9 - - 7 BL Wind Direction - - - - - - 168 - - 169 - - 166 Direction Wind Shear - - - - - - 5 - - 0 - - 0 Wind Shear Max.Converg - - - - - - -4 - - -3 - - -3 Max.Converg CLOUDpotent - - - - - - -750 - - -2319 - - -518 CLOUDpotentl sfcLCL - - - - - - 2153 - - 3105 - - 1304 sfcLCL ODpotential - - - - - - -5240 - - -4632 - - -4886 ODpotential blCL - - - - - - 6643 - - 5418 - - 5672 blCL maxRH - - - - - - 82 - - 74 - - 76 maxRH CAPE - - - - - - 280 - - 700 - - 800 CAPE Temp@2m - - - - - - 66.8 - - 72.1 - - 64.3 Temp@2m DewPt@2m - - - - - - 60.0 - - 61.0 - - 61.0 DewPt@2m Temp@Bot - - - - - - 65.8 - - 72.4 - - 66.6 Temp@Bot DewPt@Bot - - - - - - 58.9 - - 60.1 - - 60.9 DewPt@bot Sfc.Heating - - - - - - 106 - - -1 - - -60 Sfc.Heating BL Depth - - - - - - 694 - - 77 - - 77 BL Depth EXPERIMENT - - - - - - 27 - - 0 - - 3 EXPERIMENT EXPERIMENT2 - - - - - - 11 - - 12 - - 12 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] 95800 41 245 46 260 45 265 95800 88703 36 250 46 251 43 258 88703 83288 37 254 39 253 41 258 83288 78802 29 242 37 246 42 249 78802 74959 28 262 36 253 38 242 74959 71591 33 268 32 265 34 253 71591 68547 37 262 36 267 36 261 68547 65738 38 262 40 255 38 256 65738 63119 44 252 41 244 44 249 63119 60566 45 246 43 245 50 247 60566 57875 48 244 55 250 55 248 57875 55055 46 247 58 248 61 246 55055 52349 47 259 53 250 56 244 52349 49895 51 263 51 252 57 251 49895 47674 52 260 53 250 58 252 47674 45647 52 257 52 251 55 249 45647 43784 53 259 50 255 53 251 43784 42064 55 259 53 257 57 253 42064 40474 52 254 56 259 51 251 40474 39012 43 249 50 253 39 251 39012 37655 36 249 33 241 42 248 37655 36346 35 251 34 241 44 240 36346 35012 31 255 36 248 40 238 35012 33624 31 263 38 257 37 241 33624 32183 33 266 40 261 36 246 32183 30673 38 264 39 259 36 249 30673 29082 39 257 37 252 35 250 29082 27410 35 251 35 246 34 247 27410 25658 34 246 37 246 34 241 25658 23832 33 247 38 247 38 241 23832 21934 35 250 37 247 41 240 21934 19958 38 251 37 241 41 235 19958 17896 39 244 38 236 41 230 17896 15791 37 233 37 236 40 230 15791 13759 35 234 35 236 40 234 13759 11908 35 235 36 236 41 240 11908 10263 35 235 39 236 42 244 10263 8800 35 233 39 237 43 245 8800 7499 34 230 38 237 44 243 7499 6340 33 229 36 235 42 240 6340 5312 30 229 32 226 38 233 5312 4406 27 230 30 217 35 224 4406 3604 25 227 28 212 37 214 3604 2888 23 221 24 200 38 205 2888 2256 19 209 22 187 37 197 2256 1730 15*186 21 182 33 191 1730 1326 13*171 19 178 27 184 1326 1049 12 168 16 174 19 176 1049 882 11 166 14*172 15*172 882 786 8 164 9*169 7*166 786 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