DrJack's BLIPSPOT for: WED 03/11 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 - - - 74.7 - - 79.2 - - 84.1 - - 70.5 Temp@2m Sfc.Heating - - - 121 - - 41 - - 54 - - -13 Sfc.Heating BL Depth - - - 1814 - - 77 - - 78 - - 77 BL Depth Hcrit - - - 1367 - - 770 - - 770 - - 769 Hcrit BL Top - - - 2523 - - 786 - - 787 - - 786 BL Top Hgt.Variab. - - - 1784 - - 4525 - - 8660 - - 731 Hgt.Variab. W* - - - 249 - - 62 - - 68 - - 28 W* B/S - - - 4 - - 1 - - 1 - - 1 B/S BL Wind - - - 12 - - 9 - - 12 - - 5 BL Wind Direction - - - 204 - - 199 - - 204 - - 351 Direction Wind Shear - - - 8 - - 0 - - 0 - - 0 Wind Shear Max.Converg - - - 3 - - -2 - - -3 - - 2 Max.Converg CLOUDpotent - - - -1566 - - -4572 - - -6327 - - -496 CLOUDpotentl sfcLCL - - - 4089 - - 5358 - - 7114 - - 1282 sfcLCL ODpotential - - - -4109 - - -6266 - - -7187 - - -3960 ODpotential blCL - - - 6632 - - 7052 - - 7974 - - 4746 blCL maxRH - - - 75 - - 70 - - 75 - - 94 maxRH CAPE - - - 320 - - 560 - - 460 - - 1480 CAPE Temp@2m - - - 74.7 - - 79.2 - - 84.1 - - 70.5 Temp@2m DewPt@2m - - - 59.4 - - 58.3 - - 55.4 - - 66.9 DewPt@2m Temp@Bot - - - 73.6 - - 78.8 - - 83.5 - - 70.9 Temp@Bot DewPt@Bot - - - 58.7 - - 57.8 - - 55.0 - - 66.3 DewPt@bot Sfc.Heating - - - 121 - - 41 - - 54 - - -13 Sfc.Heating BL Depth - - - 1814 - - 77 - - 78 - - 77 BL Depth EXPERIMENT - - - 2 - - 0 - - 0 - - 74 EXPERIMENT EXPERIMENT2 - - - 11 - - 11 - - 10 - - 14 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] 96313 5 260 8 242 18 278 13 328 96313 89266 3 257 2 186 11 270 9 298 89266 83822 3 032 5 285 7 293 7 282 83822 79290 6 316 9 260 0 339 10 254 79290 75364 14 272 16 285 3 322 4 190 75364 71872 14 260 22 261 18 271 15 295 71872 68719 9 247 16 247 21 249 22 258 68719 65825 20 271 15 271 17 238 16 242 65825 63126 24 265 26 279 31 260 24 257 63126 60505 37 257 34 250 36 247 29 254 60505 57777 43 257 29 252 34 251 37 254 57777 54943 50 259 44 257 47 256 52 248 54943 52223 63 256 53 259 54 258 60 252 52223 49766 71 258 59 268 64 259 67 258 49766 47557 74 262 75 263 72 258 77 254 47557 45558 70 260 81 254 79 253 81 248 45558 43741 61 263 64 246 70 245 76 242 43741 42079 58 266 54 252 61 246 63 238 42079 40543 59 262 57 266 59 254 59 246 40543 39110 55 257 62 272 68 264 60 252 39110 37755 50 256 64 272 63 260 64 254 37755 36438 46 265 53 259 55 256 69 253 36438 35093 47 270 48 240 58 250 70 250 35093 33692 50 266 49 243 57 242 69 249 33692 32237 52 257 50 248 54 240 63 245 32237 30713 55 257 49 245 55 246 58 239 30713 29107 57 274 50 245 54 257 54 238 29107 27423 50 273 55 253 56 262 46 241 27423 25662 47 266 60 258 59 266 40 243 25662 23826 42 263 62 260 58 261 40 243 23826 21912 40 253 61 263 55 253 46 244 21912 19922 39 250 52 261 51 250 55 248 19922 17859 39 247 49 250 48 245 66 245 17859 15764 37 243 43 242 50 243 59 241 15764 13745 32 242 45 235 58 246 56 240 13745 11907 28 240 47 230 56 246 52 237 11907 10275 27 235 44 232 46 240 45 229 10275 8821 29 227 42 236 40 232 40 226 8821 7520 30 226 41 237 36 223 37 227 7520 6360 29 231 40 235 31 214 33 226 6360 5329 28 240 37 231 27 209 28 226 5329 4420 27 244 31 224 27 207 24 226 4420 3617 24 238 24 213 26 207 21 228 3617 2899 19*223 21 206 24 206 18 230 2899 2265 15*208 19 204 23 205 15 234 2265 1736 13 204 18 202 22 205 10 249 1736 1330 12 203 17 201 21 205 7 276 1330 1052 11 202 15 200 19 205 6 326 1052 883 10 202 13 200 16*204 6*345 883 786 8 202 9*199 12*204 5*351 786 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