DrJack's BLIPSPOT for: THU 04/16 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 - - - - - - 87.9 - - 89.3 - - 78.7 Temp@2m Sfc.Heating - - - - - - 251 - - 67 - - -26 Sfc.Heating BL Depth - - - - - - 6931 - - 78 - - 77 BL Depth Hcrit - - - - - - 5585 - - 771 - - 770 Hcrit BL Top - - - - - - 7640 - - 787 - - 786 BL Top Hgt.Variab. - - - - - - 1961 - - 10359 - - 501 Hgt.Variab. W* - - - - - - 499 - - 75 - - 16 W* B/S - - - - - - 6 - - 1 - - 1 B/S BL Wind - - - - - - 15 - - 10 - - 5 BL Wind Direction - - - - - - 214 - - 225 - - 276 Direction Wind Shear - - - - - - 12 - - 0 - - 0 Wind Shear Max.Converg - - - - - - 7 - - -1 - - 1 Max.Converg CLOUDpotent - - - - - - -1384 - - -9972 - - -6463 CLOUDpotentl sfcLCL - - - - - - 9024 - - 10760 - - 7250 sfcLCL ODpotential - - - - - - -4243 - - -12745 - - -8731 ODpotential blCL - - - - - - 11883 - - 13532 - - 9517 blCL maxRH - - - - - - 68 - - 51 - - 67 maxRH CAPE - - - - - - 0 - - 0 - - 0 CAPE Temp@2m - - - - - - 87.9 - - 89.3 - - 78.7 Temp@2m DewPt@2m - - - - - - 50.8 - - 44.5 - - 49.9 DewPt@2m Temp@Bot - - - - - - 86.1 - - 88.6 - - 81.2 Temp@Bot DewPt@Bot - - - - - - 49.8 - - 43.4 - - 49.2 DewPt@bot Sfc.Heating - - - - - - 251 - - 67 - - -26 Sfc.Heating BL Depth - - - - - - 6931 - - 78 - - 77 BL Depth EXPERIMENT - - - - - - 0 - - 0 - - 0 EXPERIMENT EXPERIMENT2 - - - - - - 7 - - 6 - - 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] 97052 36 229 37 250 38 250 97052 89813 30 239 31 249 24 250 89813 84307 25 238 24 248 23 270 84307 79734 14 226 19 245 20 270 79734 75775 6 251 15 227 13 270 75775 72254 8 287 14 248 17 269 72254 69061 8 259 16 234 21 245 69061 66133 7 290 8 218 17 241 66133 63407 21 285 18 289 16 282 63407 60754 38 265 40 260 32 267 60754 57994 44 259 41 262 38 252 57994 55126 47 266 46 272 45 260 55126 52370 61 267 62 260 53 255 52370 49886 62 253 62 252 62 256 49886 47666 59 252 68 249 70 253 47666 45657 68 257 70 249 69 246 45657 43825 70 253 67 247 71 245 43825 42144 67 253 66 246 75 244 42144 40595 66 250 67 245 77 241 40595 39156 65 241 68 237 80 238 39156 37800 61 230 70 229 80 232 37800 36484 66 229 72 234 79 228 36484 35141 64 238 70 236 77 230 35141 33742 62 241 68 237 74 232 33742 32292 56 241 66 239 71 233 32292 30775 49 239 62 239 70 235 30775 29179 45 234 57 233 68 236 29179 27504 43 231 53 227 62 232 27504 25749 43 230 53 228 58 223 25749 23915 47 233 52 231 56 221 23915 22008 50 237 51 236 52 224 22008 20022 52 242 51 238 48 231 20022 17951 52 244 48 242 43 242 17951 15838 48 243 44 245 40 249 15838 13803 41 240 42 244 34 252 13803 11956 38 235 36 242 25 238 11956 10318 37 227 24 236 19 222 10318 8859 30*220 20 232 19 226 8859 7555 20*215 20 232 19 234 7555 6394 18 213 20 232 20 245 6394 5362 17 213 20 230 21 256 5362 4450 16 213 20 229 22 264 4450 3644 15 213 19 228 23 270 3644 2922 14 214 19 227 23 274 2922 2282 14 214 18 227 23 277 2282 1748 13 215 18 227 22 279 1748 1338 12 215 17 226 19 280 1338 1056 11 215 16 226 15 281 1056 884 11 216 14 226 10 280 884 786 8 216 10*225 5*276 786 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