DrJack's BLIPSPOT for: FRI 02/20 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 - - 1001z - - 1334z Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 57.6 - - 60.9 - - 47.6 Temp@2m Sfc.Heating - - - - - - 66 - - -40 - - -56 Sfc.Heating BL Depth - - - - - - 76 - - 76 - - 75 BL Depth Hcrit - - - - - - 769 - - 769 - - 768 Hcrit BL Top - - - - - - 785 - - 785 - - 784 BL Top Hgt.Variab. - - - - - - 1356 - - 6020 - - 144 Hgt.Variab. W* - - - - - - 74 - - 39 - - 23 W* B/S - - - - - - 2 - - 1 - - 1 B/S BL Wind - - - - - - 5 - - 6 - - 6 BL Wind Direction - - - - - - 207 - - 224 - - 238 Direction Wind Shear - - - - - - 0 - - 0 - - 0 Wind Shear Max.Converg - - - - - - -1 - - -1 - - -1 Max.Converg CLOUDpotent - - - - - - -613 - - -2039 - - -1230 CLOUDpotentl sfcLCL - - - - - - 1398 - - 2824 - - 2014 sfcLCL ODpotential - - - - - - -2876 - - -3492 - - -3760 ODpotential blCL - - - - - - 3661 - - 4277 - - 4544 blCL maxRH - - - - - - 89 - - 53 - - 51 maxRH CAPE - - - - - - 20 - - 70 - - 0 CAPE Temp@2m - - - - - - 57.6 - - 60.9 - - 47.6 Temp@2m DewPt@2m - - - - - - 53.8 - - 50.9 - - 41.5 DewPt@2m Temp@Bot - - - - - - 56.8 - - 62.4 - - 50.7 Temp@Bot DewPt@Bot - - - - - - 52.6 - - 49.6 - - 40.3 DewPt@bot Sfc.Heating - - - - - - 66 - - -40 - - -56 Sfc.Heating BL Depth - - - - - - 76 - - 76 - - 75 BL Depth EXPERIMENT - - - - - - 55 - - 0 - - 0 EXPERIMENT EXPERIMENT2 - - - - - - 9 - - 8 - - 6 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] 96747 27 086 22 074 27 072 96747 89592 21 088 22 077 24 074 89592 84019 18 074 20 078 20 078 84019 79354 13 082 14 079 14 061 79354 75315 9 063 10 097 9 052 75315 71733 7 074 4 111 4 355 71733 68482 6 029 3 110 5 306 68482 65507 8 007 3 073 2 304 65507 62761 10 274 14 295 14 296 62761 60113 9 262 17 242 21 241 60113 57336 9 269 9 224 27 250 57336 54417 39 283 28 279 36 261 54417 51627 60 274 60 270 51 264 51627 49139 80 266 79 261 75 259 49139 46943 86 258 91 254 95 249 46943 44971 99 261 103 256 111 252 44971 43161 122 262 121 258 128 254 43161 41484 140 259 135 256 138 251 41484 39923 145 256 139 252 143 249 39923 38461 142 252 140 250 147 248 38461 37080 136 249 137 248 148 247 37080 35743 130 248 134 248 149 247 35743 34382 129 250 131 247 149 247 34382 32967 127 252 128 245 150 247 32967 31503 125 253 126 246 148 247 31503 29976 124 254 124 248 143 249 29976 28378 122 254 122 250 137 250 28378 26712 118 253 120 251 131 250 26712 24974 115 251 117 252 126 253 24974 23164 111 250 114 252 121 254 23164 21284 101 250 108 252 117 254 21284 19333 89 248 99 251 113 254 19333 17307 81 246 92 253 103 257 17307 15246 79 250 86 259 91 263 15246 13258 77 255 82 263 84 267 13258 11451 70 259 77 263 79 266 11451 9849 60 257 73 263 76 264 9849 8431 53 252 68 262 73 264 8431 7177 48 250 60 257 67 265 7177 6071 42 252 52 251 57 265 6071 5096 36 254 45 247 51 264 5096 4238 33 255 43 246 48 264 4238 3479 31 254 40 244 45 262 3479 2798 26 246 36 242 43 261 2798 2195 21 236 31 240 39 259 2195 1691 14 225 26 237 34 256 1691 1304 9 213 21 234 28 252 1304 1038 8 211 15 230 21 248 1038 877 7*209 12 228 16 245 877 784 5*207 6*224 6*238 784 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