DrJack's BLIPSPOT for: WED 08/26 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 - - - - - - 81.8 - - 82.0 - - 75.2 Temp@2m Sfc.Heating - - - - - - 159 - - 44 - - -31 Sfc.Heating BL Depth - - - - - - 4371 - - 77 - - 77 BL Depth Hcrit - - - - - - 3412 - - 770 - - 770 Hcrit BL Top - - - - - - 5080 - - 786 - - 786 BL Top Hgt.Variab. - - - - - - 2026 - - 6751 - - 752 Hgt.Variab. W* - - - - - - 376 - - 68 - - 21 W* B/S - - - - - - 5 - - 2 - - 1 B/S BL Wind - - - - - - 13 - - 8 - - 5 BL Wind Direction - - - - - - 184 - - 171 - - 146 Direction Wind Shear - - - - - - 7 - - 0 - - 0 Wind Shear Max.Converg - - - - - - 5 - - -3 - - -3 Max.Converg CLOUDpotent - - - - - - -2406 - - -5982 - - -3074 CLOUDpotentl sfcLCL - - - - - - 7486 - - 6768 - - 3860 sfcLCL ODpotential - - - - - - -7646 - - -8340 - - -5933 ODpotential blCL - - - - - - 12726 - - 9126 - - 6719 blCL maxRH - - - - - - 80 - - 65 - - 76 maxRH CAPE - - - - - - 0 - - 0 - - 130 CAPE Temp@2m - - - - - - 81.8 - - 82.0 - - 75.2 Temp@2m DewPt@2m - - - - - - 51.8 - - 55.2 - - 61.0 DewPt@2m Temp@Bot - - - - - - 80.5 - - 81.6 - - 77.0 Temp@Bot DewPt@Bot - - - - - - 50.7 - - 54.2 - - 60.4 DewPt@bot Sfc.Heating - - - - - - 159 - - 44 - - -31 Sfc.Heating BL Depth - - - - - - 4371 - - 77 - - 77 BL Depth EXPERIMENT - - - - - - 20 - - 0 - - 6 EXPERIMENT EXPERIMENT2 - - - - - - 7 - - 9 - - 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] 99233 16 097 17 069 23 061 99233 91741 25 079 21 089 19 065 91741 85973 26 078 19 092 15 089 85973 81194 20 086 15 078 12 081 81194 77078 18 083 12 077 11 076 77078 73433 15 081 11 079 11 056 73433 70131 12 093 6 106 8 032 70131 67092 8 121 3 154 3 004 67092 64266 4 121 5 168 4 223 64266 61527 4 216 4 232 5 204 61527 58681 9 226 9 257 5 259 58681 55747 12 237 17 252 12 259 55747 52965 16 260 21 254 18 258 52965 50471 22 260 26 253 22 263 50471 48251 27 261 28 258 33 267 48251 46248 32 272 31 266 39 258 46248 44414 41 272 37 270 41 251 44414 42719 43 268 40 268 40 247 42719 41142 46 267 46 262 39 247 41142 39670 46 265 53 251 44 256 39670 38290 46 262 55 249 64 258 38290 36954 49 264 52 252 64 255 36954 35587 49 267 47 257 61 253 35587 34163 36 267 40 258 56 257 34163 32686 25 252 36 254 39 252 32686 31142 27 244 34 253 40 238 31142 29516 28 239 30 251 42 239 29516 27809 28 238 29 246 37 246 27809 26022 27 240 29 242 32 249 26022 24156 26 244 29 238 29 245 24156 22216 23 242 27 241 24 241 22216 20196 22 236 23 239 22 245 20196 18093 22 231 23 227 20 247 18093 15953 21 228 23 224 20 251 15953 13893 18 229 21 229 19 252 13893 12020 14 231 18 231 20 256 12020 10359 13 234 16 235 21 257 10359 8884 15 238 16 238 22 254 8884 7570 16 236 16 227 20 247 7570 6401 16 220 15 212 20 232 6401 5364 14*202 15 207 20 216 5364 4449 14*195 14 193 20 200 4449 3641 14 189 13 186 20 187 3641 2918 13 185 13 181 20 175 2918 2279 13 182 13 178 20 168 2279 1745 13 180 13 176 19 164 1745 1336 12 178 12 174 17 159 1336 1055 12 177 11 174 14 156 1055 884 11 177 10 173 10 153 884 786 8 176 8*171 5*146 786 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