DrJack's BLIPSPOT for: FRI 02/27 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 - - - 0653z - - 0955z - - 1000z - - 1333z Update Time FCST PERIOD - - - 9 hr - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - 44.0 - - 50.4 - - 52.2 - - 43.1 Temp@2m Sfc.Heating - - - 104 - - 193 - - 38 - - -24 Sfc.Heating BL Depth - - - 75 - - 3200 - - 75 - - 75 BL Depth Hcrit - - - 767 - - 2596 - - 768 - - 767 Hcrit BL Top - - - 784 - - 3909 - - 784 - - 784 BL Top Hgt.Variab. - - - 2589 - - 1862 - - 6088 - - 625 Hgt.Variab. W* - - - 82 - - 350 - - 60 - - 13 W* B/S - - - 10 - - 24 - - 3 - - 1 B/S BL Wind - - - 1 - - 3 - - 4 - - 5 BL Wind Direction - - - 167 - - 227 - - 190 - - 144 Direction Wind Shear - - - 0 - - 2 - - 0 - - 0 Wind Shear Max.Converg - - - -1 - - -3 - - -1 - - -2 Max.Converg CLOUDpotent - - - -1445 - - 181 - - -3401 - - -1507 CLOUDpotentl sfcLCL - - - 2229 - - 3728 - - 4185 - - 2291 sfcLCL ODpotential - - - -2216 - - -333 - - -3704 - - -4609 ODpotential blCL - - - 3000 - - 4242 - - 4488 - - 5393 blCL maxRH - - - 81 - - 88 - - 94 - - 85 maxRH CAPE - - - 0 - - 0 - - 20 - - 0 CAPE Temp@2m - - - 44.0 - - 50.4 - - 52.2 - - 43.1 Temp@2m DewPt@2m - - - 37.2 - - 36.9 - - 36.7 - - 36.2 DewPt@2m Temp@Bot - - - 42.8 - - 48.8 - - 51.4 - - 45.2 Temp@Bot DewPt@Bot - - - 36.1 - - 35.8 - - 35.8 - - 35.5 DewPt@bot Sfc.Heating - - - 104 - - 193 - - 38 - - -24 Sfc.Heating BL Depth - - - 75 - - 3200 - - 75 - - 75 BL Depth EXPERIMENT - - - 25 - - 54 - - 77 - - 41 EXPERIMENT EXPERIMENT2 - - - 5 - - 4 - - 5 - - 5 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] 96609 19 090 13 095 5 073 16 057 96609 89459 17 089 14 137 9 164 4 081 89459 83894 10 147 14 138 10 189 9 199 83894 79231 14 164 12 176 17 189 15 231 79231 75192 14 215 8 219 9 192 16 213 75192 71603 22 207 21 232 21 253 15 254 71603 68346 12 211 14 218 22 223 26 241 68346 65361 28 260 22 247 25 253 31 244 65361 62584 34 251 30 242 31 240 31 232 62584 59863 40 265 37 256 34 259 27 254 59863 57013 49 257 49 254 45 261 40 263 57013 54071 54 246 54 245 51 248 47 261 54071 51283 51 246 52 243 52 247 48 257 51283 48786 49 254 54 251 54 256 46 254 48786 46548 59 255 60 251 53 252 50 250 46548 44522 67 251 65 245 54 248 55 241 44522 42674 65 251 66 240 61 247 56 246 42674 40984 68 256 67 252 62 248 63 251 40984 39437 76 252 75 256 65 246 72 248 39437 38011 75 248 80 250 70 238 69 244 38011 36679 77 249 80 239 69 235 62 245 36679 35397 81 250 75 238 62 238 55 242 35397 34092 83 247 73 242 56 250 48 254 34092 32734 81 247 73 244 54 263 54 270 32734 31326 81 249 74 245 55 267 58 272 31326 29853 87 246 73 248 54 264 56 270 29853 28301 81 247 70 249 50 261 51 266 28301 26669 72 248 66 247 50 258 46 260 26669 24958 69 248 65 248 52 260 44 257 24958 23165 68 249 66 249 53 266 45 260 23165 21293 68 251 65 252 49 272 45 264 21293 19341 66 250 60 256 42 262 42 265 19341 17308 62 249 54 253 47 258 35 262 17308 15234 55 250 49 249 48 260 37 259 15234 13233 44 255 39 254 41 254 39 264 13233 11417 35 251 31 258 35 248 35 263 11417 9814 30 247 30 255 30 254 33 261 9814 8402 21 250 28 258 25 266 28 260 8402 7155 13 254 20 252 18 265 20 255 7155 6050 11 254 13 238 12 243 16 252 6050 5073 7 251 7 243 12 241 12 240 5073 4213 5 277 4*234 8 220 8 224 4213 3454 5 291 4*230 7 200 7 191 3454 2776 4 291 3 227 7 195 12 163 2776 2178 2 266 3 224 6 192 15 157 2178 1680 2 174 2 227 6 193 16 155 1680 1297 2 168 2 228 6 191 15 153 1297 1034 2 167 2 225 5 192 13 151 1034 875 2*168 2 229 5 191 9*148 875 784 1*167 2 232 4*190 5*144 784 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