DrJack's BLIPSPOT for: WED 02/18 Waynesboro_VA 1437ft pt32142@38.180,-78.911,1424ft BLIPSPOT sfc.temp. adjusted by +0.0 degF SPONSORED BY: Shenandoah Valley Soaring www.svsoar.org 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 - - 1333z Update Time FCST PERIOD - - - - - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 63.0 - - 61.9 - - 56.3 Temp@2m Sfc.Heating - - - - - - 62 - - -21 - - -19 Sfc.Heating BL Depth - - - - - - 3520 - - 16 - - 16 BL Depth Hcrit - - - - - - 2790 - - 1276 - - 1276 Hcrit BL Top - - - - - - 4957 - - 1294 - - 1294 BL Top Hgt.Variab. - - - - - - 1251 - - 4084 - - 1326 Hgt.Variab. W* - - - - - - 254 - - 12 - - 6 W* B/S - - - - - - 2 - - 0 - - 0 B/S BL Wind - - - - - - 21 - - 9 - - 5 BL Wind Direction - - - - - - 246 - - 238 - - 214 Direction Wind Shear - - - - - - 12 - - 0 - - 0 Wind Shear Max.Converg - - - - - - 18 - - 2 - - 0 Max.Converg CLOUDpotent - - - - - - 265 - - -2449 - - -744 CLOUDpotentl sfcLCL - - - - - - 4692 - - 3743 - - 2038 sfcLCL ODpotential - - - - - - -515 - - -3606 - - -3725 ODpotential blCL - - - - - - 5472 - - 4900 - - 5019 blCL maxRH - - - - - - 99 - - 100 - - 95 maxRH CAPE - - - - - - 0 - - 20 - - 10 CAPE Temp@2m - - - - - - 63.0 - - 61.9 - - 56.3 Temp@2m DewPt@2m - - - - - - 46.7 - - 49.8 - - 51.7 DewPt@2m Temp@Bot - - - - - - 62.7 - - 62.9 - - 58.4 Temp@Bot DewPt@Bot - - - - - - 46.1 - - 49.6 - - 51.6 DewPt@bot Sfc.Heating - - - - - - 62 - - -21 - - -19 Sfc.Heating BL Depth - - - - - - 3520 - - 16 - - 16 BL Depth EXPERIMENT - - - - - - 96 - - 100 - - 79 EXPERIMENT EXPERIMENT2 - - - - - - 7 - - 8 - - 9 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] 96694 28 067 24 072 32 066 96694 89562 26 083 17 077 24 055 89562 84006 18 073 14 084 13 047 84006 79369 10 077 6 062 6 010 79369 75356 4 062 2 125 5 354 75356 71793 5 299 6 312 8 313 71793 68562 3 141 2 219 7 284 68562 65591 16 307 13 292 12 280 65591 62844 28 287 23 286 20 281 62844 60195 27 273 21 282 24 264 60195 57445 26 269 26 271 36 273 57445 54594 38 279 47 284 48 286 54594 51852 64 279 74 276 68 272 51852 49372 83 263 78 260 75 254 49372 47143 79 265 83 265 73 253 47143 45118 84 274 94 269 87 265 45118 43281 99 276 101 274 114 269 43281 41605 111 276 120 272 134 269 41605 40052 128 272 139 267 141 265 40052 38602 134 268 140 267 142 262 38602 37241 126 268 130 266 141 263 37241 35925 124 268 127 263 138 264 35925 34586 120 266 130 262 133 263 34586 33195 117 264 129 261 131 261 33195 31757 116 262 125 259 130 262 31757 30257 115 261 124 259 126 262 30257 28685 114 259 123 260 117 262 28685 27045 112 261 118 264 106 262 27045 25336 103 263 101 265 98 257 25336 23555 90 260 85 259 94 252 23555 21704 82 253 84 256 86 254 21704 19785 77 253 86 258 78 258 19785 17792 64 259 79 255 77 263 17792 15762 57 258 61 249 67 263 15762 13800 56 258 51 251 55 260 13800 12013 55 254 47 265 54 265 12013 10428 53 249 43 273 55 272 10428 9022 48 252 40 270 49 273 9022 7771 41 259 39 266 46 273 7771 6658 35 264 39 263 43 273 6658 5669 30*260 38 259 37 269 5669 4796 24*251 35 253 33 257 4796 4024 23 248 30 245 34 249 4024 3333 22 246 25 240 34 243 3333 2722 21 245 23 240 32 241 2722 2212 20 244 22 240 27 240 2212 1820 19 243 19 239 22 238 1820 1550 18 242 17 239 16 234 1550 1386 16 242 14*239 11*229 1386 1293 12 241 9*238 5*214 1293 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