DrJack's BLIPSPOT for: FRI 05/22 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 - - - - - - 55.0 - - 54.7 - - 52.8 Temp@2m Sfc.Heating - - - - - - 19 - - 13 - - 2 Sfc.Heating BL Depth - - - - - - 76 - - 76 - - 75 BL Depth Hcrit - - - - - - 768 - - 768 - - 768 Hcrit BL Top - - - - - - 785 - - 785 - - 784 BL Top Hgt.Variab. - - - - - - 2639 - - 2419 - - 2185 Hgt.Variab. W* - - - - - - 48 - - 42 - - 29 W* B/S - - - - - - 2 - - 1 - - 1 B/S BL Wind - - - - - - 4 - - 6 - - 7 BL Wind Direction - - - - - - 071 - - 083 - - 092 Direction Wind Shear - - - - - - 0 - - 0 - - 0 Wind Shear Max.Converg - - - - - - 0 - - -1 - - -1 Max.Converg CLOUDpotent - - - - - - -482 - - -504 - - -612 CLOUDpotentl sfcLCL - - - - - - 1267 - - 1289 - - 1396 sfcLCL ODpotential - - - - - - -594 - - -652 - - -807 ODpotential blCL - - - - - - 1379 - - 1437 - - 1591 blCL maxRH - - - - - - 100 - - 100 - - 100 maxRH CAPE - - - - - - 20 - - 20 - - 70 CAPE Temp@2m - - - - - - 55.0 - - 54.7 - - 52.8 Temp@2m DewPt@2m - - - - - - 52.5 - - 52.0 - - 49.7 DewPt@2m Temp@Bot - - - - - - 54.4 - - 54.2 - - 52.5 Temp@Bot DewPt@Bot - - - - - - 52.2 - - 51.7 - - 49.4 DewPt@bot Sfc.Heating - - - - - - 19 - - 13 - - 2 Sfc.Heating BL Depth - - - - - - 76 - - 76 - - 75 BL Depth EXPERIMENT - - - - - - 101 - - 101 - - 101 EXPERIMENT EXPERIMENT2 - - - - - - 8 - - 8 - - 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] 98360 12 102 15 085 12 112 98360 90900 9 094 11 064 11 091 90900 85164 5 124 2 163 7 039 85164 80413 8 126 8 170 10 351 80413 76311 10 072 9 148 6 319 76311 72689 9 038 4 091 3 250 72689 69433 4 303 8 359 5 133 69433 66449 5 253 10 295 5 307 66449 63692 9 238 16 254 15 288 63692 61032 11 264 20 246 23 270 61032 58250 21 265 23 251 22 262 58250 55360 30 266 34 260 28 258 55360 52608 41 249 38 256 34 252 52608 50138 47 248 44 248 41 257 50138 47963 57 253 56 247 52 246 47963 46043 62 248 67 245 61 247 46043 44298 62 246 65 240 67 244 44298 42668 60 248 60 242 63 241 42668 41135 60 248 57 242 56 242 41135 39686 59 249 54 239 49 249 39686 38311 55 251 51 238 43 251 38311 36972 53 254 49 242 42 252 36972 35602 53 254 47 242 42 252 35602 34173 52 251 46 243 42 255 34173 32687 51 245 42 246 41 256 32687 31131 47 244 38 260 39 257 31131 29494 39 248 37 265 36 255 29494 27776 34 252 34 257 36 243 27776 25972 35 242 31 242 34 242 25972 24084 34 235 28 233 28 241 24084 22120 31 233 28 231 27 229 22120 20079 28 235 30 229 28 224 20079 17955 25 236 31 227 29 228 17955 15795 22 231 33 225 29 233 15795 13719 21 221 29 224 24 236 13719 11833 17 218 18 229 18 238 11833 10155 14 225 14 233 18 231 10155 8666 13 198 14 228 16 211 8666 7348 14 158 11 205 15 187 7348 6182 15 125 10 147 14 180 6182 5157 18 124 16 119 14 165 5157 4264 19 107 17 112 17 132 4264 3486 18 093 17 104 22 114 3486 2798 16 089 16 094 22 106 2798 2193 13 087 15 089 20 100 2193 1690 10 082 14 086 18 097 1690 1304 7 076 12 084 15 095 1304 1038 7 074 10 083 13 093 1038 877 6*073 8*083 11 092 877 784 4*071 6*083 7*092 784 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