DrJack's BLIPSPOT for: SAT 05/23 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 - - 1002z - - 1334z Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 51.4 - - 53.6 - - 52.1 Temp@2m Sfc.Heating - - - - - - 31 - - 6 - - 5 Sfc.Heating BL Depth - - - - - - 75 - - 76 - - 76 BL Depth Hcrit - - - - - - 768 - - 768 - - 768 Hcrit BL Top - - - - - - 784 - - 785 - - 785 BL Top Hgt.Variab. - - - - - - 1628 - - 1598 - - 1414 Hgt.Variab. W* - - - - - - 55 - - 33 - - 31 W* B/S - - - - - - 2 - - 1 - - 1 B/S BL Wind - - - - - - 6 - - 7 - - 6 BL Wind Direction - - - - - - 073 - - 083 - - 088 Direction Wind Shear - - - - - - 0 - - 0 - - 0 Wind Shear Max.Converg - - - - - - 0 - - -1 - - -1 Max.Converg CLOUDpotent - - - - - - -349 - - -202 - - -14 CLOUDpotentl sfcLCL - - - - - - 1133 - - 987 - - 799 sfcLCL ODpotential - - - - - - -395 - - -376 - - -216 ODpotential blCL - - - - - - 1179 - - 1161 - - 1001 blCL maxRH - - - - - - 100 - - 100 - - 100 maxRH CAPE - - - - - - 40 - - 20 - - 20 CAPE Temp@2m - - - - - - 51.4 - - 53.6 - - 52.1 Temp@2m DewPt@2m - - - - - - 49.5 - - 52.2 - - 51.5 DewPt@2m Temp@Bot - - - - - - 50.7 - - 53.2 - - 51.6 Temp@Bot DewPt@Bot - - - - - - 49.2 - - 52.1 - - 51.4 DewPt@bot Sfc.Heating - - - - - - 31 - - 6 - - 5 Sfc.Heating BL Depth - - - - - - 75 - - 76 - - 76 BL Depth EXPERIMENT - - - - - - 101 - - 102 - - 101 EXPERIMENT EXPERIMENT2 - - - - - - 8 - - 8 - - 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] 98539 11 117 8 105 14 069 98539 91048 11 112 10 118 6 067 91048 85288 12 092 8 101 5 075 85288 80503 9 113 2 034 7 072 80503 76386 6 105 3 062 7 042 76386 72766 4 102 5 062 6 023 72766 69505 3 107 2 056 4 339 69505 66523 3 303 3 015 2 012 66523 63763 7 257 10 261 10 306 63763 61090 7 229 14 236 11 274 61090 58296 10 254 9 248 12 275 58296 55399 21 254 18 259 18 262 55399 52643 29 240 23 256 20 260 52643 50177 30 230 28 244 30 245 50177 47994 39 229 38 231 31 232 47994 46033 41 233 46 223 39 226 46033 44256 47 235 46 221 44 218 44256 42625 52 225 50 221 47 218 42625 41099 50 216 51 222 47 218 41099 39657 45 214 50 221 49 219 39657 38288 41 212 48 220 53 220 38288 36957 40 213 47 219 51 216 36957 35597 38 214 46 219 49 213 35597 34176 36 221 45 222 49 218 34176 32697 35 226 45 224 48 221 32697 31148 33 225 44 226 41 221 31148 29515 30 226 44 230 39 222 29515 27801 27 230 38 231 40 222 27801 26004 29 235 31 229 39 224 26004 24125 28 230 32 234 36 229 24125 22169 30 235 36 236 29 233 22169 20131 30 235 31 241 26 229 20131 18008 29 231 19 241 21 226 18008 15843 26 237 16 229 17 214 15843 13758 22 244 22 230 20 206 13758 11866 19 240 27 232 25 208 11866 10189 18 231 30 230 31 218 10189 8699 24 226 32 219 31 220 8699 7378 32 229 33 209 31 220 7378 6211 29 219 29 202 31 216 6211 5183 23 195 25 200 25 209 5183 4285 23 163 20 189 17 188 4285 3500 21 134 18 148 18 136 3500 2805 18 115 18 116 20 107 2805 2197 14 097 18 096 17 100 2197 1691 12 084 17 092 15 096 1691 1304 10 077 15 088 12 092 1304 1038 9 075 12 086 10 090 1038 877 8 075 10*085 8*088 877 785 6*073 7*083 6*088 785 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