DrJack's BLIPSPOT for: SUN 08/23 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 - - - - - - 0659z - - 1002z - - 1334z Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 77.7 - - 77.3 - - 69.9 Temp@2m Sfc.Heating - - - - - - 152 - - 30 - - -18 Sfc.Heating BL Depth - - - - - - 5174 - - 77 - - 77 BL Depth Hcrit - - - - - - 4005 - - 770 - - 769 Hcrit BL Top - - - - - - 5883 - - 786 - - 786 BL Top Hgt.Variab. - - - - - - 2504 - - 9533 - - 4592 Hgt.Variab. W* - - - - - - 396 - - 63 - - 19 W* B/S - - - - - - 5 - - 2 - - 1 B/S BL Wind - - - - - - 14 - - 8 - - 4 BL Wind Direction - - - - - - 280 - - 271 - - 282 Direction Wind Shear - - - - - - 8 - - 0 - - 0 Wind Shear Max.Converg - - - - - - 8 - - 1 - - 0 Max.Converg CLOUDpotent - - - - - - 202 - - -5120 - - -2516 CLOUDpotentl sfcLCL - - - - - - 5681 - - 5907 - - 3302 sfcLCL ODpotential - - - - - - -1280 - - -5574 - - -4283 ODpotential blCL - - - - - - 7163 - - 6360 - - 5069 blCL maxRH - - - - - - 71 - - 74 - - 68 maxRH CAPE - - - - - - 460 - - 530 - - 420 CAPE Temp@2m - - - - - - 77.7 - - 77.3 - - 69.9 Temp@2m DewPt@2m - - - - - - 55.4 - - 54.1 - - 58.1 DewPt@2m Temp@Bot - - - - - - 76.4 - - 76.9 - - 71.4 Temp@Bot DewPt@Bot - - - - - - 54.2 - - 52.9 - - 57.2 DewPt@bot Sfc.Heating - - - - - - 152 - - 30 - - -18 Sfc.Heating BL Depth - - - - - - 5174 - - 77 - - 77 BL Depth EXPERIMENT - - - - - - 0 - - 0 - - 0 EXPERIMENT EXPERIMENT2 - - - - - - 8 - - 9 - - 10 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] 99287 19 087 22 082 13 075 99287 91833 17 085 16 083 18 083 91833 86073 16 096 10 097 14 075 86073 81271 14 098 11 103 12 077 81271 77126 12 089 9 094 14 086 77126 73470 14 110 11 099 11 078 73470 70160 14 112 9 090 7 089 70160 67111 10 129 8 125 7 122 67111 64272 10 169 10 160 9 159 64272 61515 15 186 11 186 7 192 61515 58639 16 174 11 201 14 219 58639 55665 21 210 25 216 24 217 55665 52824 28 213 27 201 23 199 52824 50253 29 216 24 231 32 248 50253 47956 40 227 43 236 47 242 47956 45890 53 217 52 218 46 228 45890 43999 56 207 51 209 40 224 43999 42244 50 205 44 222 39 232 42244 40610 48 212 52 227 42 235 40610 39083 55 217 59 218 43 237 39083 37653 62 214 55 212 44 243 37653 36280 66 211 45 211 43 253 36280 34902 64 208 41 221 44 274 34902 33489 57 210 44 232 58 295 33489 32038 52 217 49 238 69 301 32038 30525 48 221 51 240 69 301 30525 28937 44 225 53 240 58 296 28937 27275 44 230 54 238 48 283 27275 25537 44 233 53 238 45 273 25537 23725 44 235 50 241 43 274 23725 21837 44 237 45 245 42 277 21837 19864 43 238 42 246 41 275 19864 17804 40 240 39 247 40 273 17804 15703 36 240 36 249 36 272 15703 13676 32 236 33 252 31 268 13676 11831 27 236 28 252 28 262 11831 10195 23 247 22 254 25 252 10195 8746 22 267 19 257 22 240 8746 7456 19 275 18 258 20 241 7456 6309 16*275 17 260 18 254 6309 5293 16*276 16 262 18 267 5293 4395 15 277 15 264 18 274 4395 3600 15 279 14 266 19 278 3600 2889 14 280 14 267 19 282 2889 2259 14 282 13 268 19 285 2259 1733 13 283 13 269 17 287 1733 1329 12 284 12 269 15 288 1329 1051 12 283 11 270 12 288 1051 882 11 284 10 269 8*286 882 786 8 284 8*271 4*282 786 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