DrJack's BLIPSPOT for: THU 05/01 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 - - - - - - 0952z - - 1001z - - 1333z Update Time FCST PERIOD - - - - - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 73.1 - - 80.4 - - 77.8 Temp@2m Sfc.Heating - - - - - - -1 - - 71 - - -59 Sfc.Heating BL Depth - - - - - - 77 - - 2417 - - 78 BL Depth Hcrit - - - - - - 770 - - 1424 - - 770 Hcrit BL Top - - - - - - 786 - - 3126 - - 787 BL Top Hgt.Variab. - - - - - - 2461 - - 3326 - - 4496 Hgt.Variab. W* - - - - - - 35 - - 237 - - 22 W* B/S - - - - - - 1 - - 3 - - 0 B/S BL Wind - - - - - - 5 - - 15 - - 8 BL Wind Direction - - - - - - 135 - - 155 - - 172 Direction Wind Shear - - - - - - 0 - - 9 - - 0 Wind Shear Max.Converg - - - - - - -2 - - -6 - - -3 Max.Converg CLOUDpotent - - - - - - -1868 - - -1082 - - -5172 CLOUDpotentl sfcLCL - - - - - - 2655 - - 4208 - - 5960 sfcLCL ODpotential - - - - - - -4639 - - -2327 - - -7486 ODpotential blCL - - - - - - 5425 - - 5453 - - 8273 blCL maxRH - - - - - - 75 - - 81 - - 70 maxRH CAPE - - - - - - 840 - - 1840 - - 30 CAPE Temp@2m - - - - - - 73.1 - - 80.4 - - 77.8 Temp@2m DewPt@2m - - - - - - 63.9 - - 64.4 - - 54.5 DewPt@2m Temp@Bot - - - - - - 72.9 - - 79.6 - - 79.6 Temp@Bot DewPt@Bot - - - - - - 63.1 - - 63.7 - - 54.2 DewPt@bot Sfc.Heating - - - - - - -1 - - 71 - - -59 Sfc.Heating BL Depth - - - - - - 77 - - 2417 - - 78 BL Depth EXPERIMENT - - - - - - 1 - - 23 - - 0 EXPERIMENT EXPERIMENT2 - - - - - - 13 - - 13 - - 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] 97565 6 093 4 222 9 019 97565 90247 7 121 2 094 1 136 90247 84608 9 140 4 052 4 154 84608 79908 7 135 6 045 9 103 79908 75856 6 118 5 102 8 064 75856 72286 4 005 4 101 6 058 72286 69064 4 070 5 192 2 341 69064 66103 6 101 5 199 7 269 66103 63355 5 129 5 220 10 259 63355 60688 5 271 8 233 8 236 60688 57896 13 273 9 231 11 238 57896 54993 17 269 11 234 16 234 54993 52223 24 254 21 255 15 252 52223 49741 26 239 33 256 28 257 49741 47535 23 223 30 229 33 243 47535 45562 22 194 31 223 27 227 45562 43781 24 190 40 198 26 205 43781 42150 22 187 35 176 32 206 42150 40630 11 171 28 160 29 197 40630 39199 4 134 22 150 28 199 39199 37848 1 004 18 148 27 204 37848 36537 2 273 15 169 25 205 36537 35197 5 133 14 218 23 210 35197 33800 9 155 17 243 26 223 33800 32347 18 206 24 240 30 230 32347 30826 26 225 29 240 31 227 30826 29225 30 247 32 242 31 220 29225 27543 29 254 31 243 30 226 27543 25780 25 252 30 239 27 239 25780 23937 24 238 32 236 27 228 23937 22018 27 224 35 237 30 222 22018 20023 28 221 35 235 31 218 20023 17947 29 219 31 225 31 213 17947 15833 30 221 28 217 33 204 15833 13800 30 218 30 217 33 201 13800 11952 31 215 31 220 28 207 11952 10308 30 218 32 222 21 217 10308 8845 27 223 32 220 21 219 8845 7541 24 223 29 215 23 214 7541 6380 20 220 26 207 26 208 6380 5350 18 212 23 195 29 202 5350 4440 18 198 21 181 30 198 4440 3637 16 185 18*167 31 195 3637 2916 13 169 17*160 31 192 2916 2278 12 155 16 156 30 188 2278 1745 10 145 16 154 27 184 1745 1336 10 142 15 153 23 180 1336 1055 8 139 13 151 18 176 1055 884 7 138 12 150 15*174 884 787 5*135 9 149 8*172 787 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