DrJack's BLIPSPOT for: FRI 07/03 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 - - - - - - 98.3 - - 99.6 - - 93.2 Temp@2m Sfc.Heating - - - - - - 250 - - 127 - - -22 Sfc.Heating BL Depth - - - - - - 4953 - - 6353 - - 79 BL Depth Hcrit - - - - - - 4051 - - 4739 - - 771 Hcrit BL Top - - - - - - 5662 - - 7062 - - 788 BL Top Hgt.Variab. - - - - - - 1943 - - 3635 - - 5987 Hgt.Variab. W* - - - - - - 447 - - 393 - - 27 W* B/S - - - - - - 12 - - 7 - - 1 B/S BL Wind - - - - - - 7 - - 11 - - 5 BL Wind Direction - - - - - - 263 - - 301 - - 324 Direction Wind Shear - - - - - - 5 - - 7 - - 0 Wind Shear Max.Converg - - - - - - -4 - - 8 - - 1 Max.Converg CLOUDpotent - - - - - - -2086 - - -1084 - - -5234 CLOUDpotentl sfcLCL - - - - - - 7748 - - 8146 - - 6022 sfcLCL ODpotential - - - - - - -4954 - - -2822 - - -7899 ODpotential blCL - - - - - - 10616 - - 9884 - - 8687 blCL maxRH - - - - - - 55 - - 60 - - 57 maxRH CAPE - - - - - - 2110 - - 2370 - - 2720 CAPE Temp@2m - - - - - - 98.3 - - 99.6 - - 93.2 Temp@2m DewPt@2m - - - - - - 67.0 - - 66.6 - - 69.5 DewPt@2m Temp@Bot - - - - - - 96.2 - - 98.4 - - 94.3 Temp@Bot DewPt@Bot - - - - - - 66.0 - - 65.8 - - 68.8 DewPt@bot Sfc.Heating - - - - - - 250 - - 127 - - -22 Sfc.Heating BL Depth - - - - - - 4953 - - 6353 - - 79 BL Depth EXPERIMENT - - - - - - 0 - - 0 - - 0 EXPERIMENT EXPERIMENT2 - - - - - - 13 - - 13 - - 16 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] 99181 30 072 37 079 36 075 99181 91684 33 090 23 073 29 075 91684 85947 28 087 19 076 25 073 85947 81187 21 073 20 076 21 076 81187 77085 18 066 18 075 20 058 77085 73444 13 066 15 058 15 044 73444 70138 10 098 9 042 11 044 70138 67107 11 121 2 068 8 039 67107 64320 12 112 4 137 4 027 64320 61651 8 090 6 127 5 330 61651 58874 4 355 5 145 7 272 58874 56002 9 284 4 288 9 217 56002 53303 9 237 9 292 5 226 53303 50909 8 206 8 259 5 263 50909 48768 15 192 15 224 13 247 48768 46816 20 186 24 220 20 231 46816 45014 23 194 27 218 26 224 45014 43333 19 201 25 215 26 218 43333 41756 15 215 21 214 25 213 41756 40270 19 223 22 218 24 213 40270 38867 21 225 24 223 26 220 38867 37507 20 230 24 227 30 221 37507 36119 18 231 23 229 28 218 36119 34673 18 230 21 230 27 217 34673 33174 17 233 19 232 25 219 33174 31604 14 235 17 236 23 223 31604 29953 12 228 16 234 23 233 29953 28222 9 210 16 226 22 242 28222 26413 8 220 17 228 22 241 26413 24531 10 254 16 241 22 245 24531 22582 13 267 15 265 19 265 22582 20556 15 284 16 287 17 276 20556 18444 18 293 19 302 14 289 18444 16290 18 288 19 303 15 296 16290 14213 17 281 18 292 19 294 14213 12318 18 287 18 291 20 292 12318 10627 19 299 16 289 17 292 10627 9119 18 300 12 272 14 275 9119 7775 16 284 11*273 12 253 7775 6576 10*264 11*278 11 252 6576 5510 9*261 11 286 10 264 5510 4569 8 260 11 297 10 285 4569 3736 7 262 11 303 11 301 3736 2990 7 262 12 307 12 310 2990 2331 6 263 12 310 12 315 2331 1780 6 265 12 312 12 318 1780 1357 5 267 11 313 12 321 1357 1065 5 266 11 314 11 322 1065 889 5 268 10 315 9*323 889 788 4 268 8 315 5*324 788 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