DrJack's BLIPSPOT for: WED 02/25 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 - - - 0653z - - 0955z - - 1000z - - 1333z Update Time FCST PERIOD - - - 9 hr - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - 40.9 - - 49.5 - - 49.7 - - 43.7 Temp@2m Sfc.Heating - - - -26 - - 60 - - -13 - - -25 Sfc.Heating BL Depth - - - 75 - - 75 - - 75 - - 75 BL Depth Hcrit - - - 767 - - 768 - - 768 - - 767 Hcrit BL Top - - - 784 - - 784 - - 784 - - 784 BL Top Hgt.Variab. - - - 3190 - - 5157 - - 5267 - - 102 Hgt.Variab. W* - - - 26 - - 70 - - 30 - - 12 W* B/S - - - 1 - - 1 - - 1 - - 0 B/S BL Wind - - - 6 - - 9 - - 7 - - 5 BL Wind Direction - - - 200 - - 235 - - 227 - - 201 Direction Wind Shear - - - 0 - - 0 - - 0 - - 0 Wind Shear Max.Converg - - - -2 - - -1 - - -1 - - -2 Max.Converg CLOUDpotent - - - -1803 - - -2668 - - -2077 - - -1277 CLOUDpotentl sfcLCL - - - 2587 - - 3452 - - 2861 - - 2061 sfcLCL ODpotential - - - -3297 - - -2967 - - -2891 - - -3989 ODpotential blCL - - - 4081 - - 3751 - - 3675 - - 4773 blCL maxRH - - - 91 - - 90 - - 100 - - 72 maxRH CAPE - - - 0 - - 0 - - 60 - - 0 CAPE Temp@2m - - - 40.9 - - 49.5 - - 49.7 - - 43.7 Temp@2m DewPt@2m - - - 32.2 - - 36.9 - - 39.8 - - 37.4 DewPt@2m Temp@Bot - - - 41.9 - - 48.8 - - 50.1 - - 46.7 Temp@Bot DewPt@Bot - - - 31.2 - - 35.8 - - 38.7 - - 36.8 DewPt@bot Sfc.Heating - - - -26 - - 60 - - -13 - - -25 Sfc.Heating BL Depth - - - 75 - - 75 - - 75 - - 75 BL Depth EXPERIMENT - - - 64 - - 61 - - 100 - - 0 EXPERIMENT EXPERIMENT2 - - - 4 - - 5 - - 5 - - 5 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] 96515 13 064 7 094 8 137 11 084 96515 89337 5 095 7 129 7 176 6 059 89337 83744 12 170 10 169 5 283 3 314 83744 79057 8 199 8 209 8 220 8 273 79057 74997 11 248 8 221 11 250 14 275 74997 71378 13 241 6 186 12 210 15 255 71378 68092 15 253 17 290 11 271 28 281 68092 65087 37 260 36 267 36 251 37 251 65087 62292 39 256 38 246 26 247 31 237 62292 59558 36 255 28 256 16 275 19 265 59558 56695 39 255 38 268 45 272 34 271 56695 53726 44 260 53 264 57 261 55 267 53726 50902 53 268 56 261 53 259 59 259 50902 48365 65 267 59 262 56 264 62 258 48365 46100 71 260 64 261 65 264 65 262 46100 44061 70 258 69 261 72 263 71 267 44061 42206 74 265 76 266 78 265 83 269 42206 40507 85 269 87 267 87 266 93 266 40507 38940 97 267 98 263 95 267 101 263 38940 37493 104 264 105 261 106 269 113 265 37493 36145 109 262 110 262 119 269 123 264 36145 34849 114 261 115 261 128 268 125 263 34849 33533 118 261 117 260 130 267 126 262 33533 32166 120 259 118 259 130 266 126 262 32166 30751 120 257 119 259 129 266 125 263 30751 29271 118 256 118 259 127 266 124 264 29271 27717 116 257 115 259 125 267 121 263 27717 26093 113 257 110 258 122 268 116 260 26093 24400 106 258 105 258 109 269 112 260 24400 22635 91 258 93 260 91 267 109 264 22635 20807 74 253 78 262 69 265 103 271 20807 18912 63 243 72 262 56 264 89 272 18912 16949 58 240 70 258 55 261 78 268 16949 14951 55 248 64 253 61 260 73 266 14951 13024 52 254 55 251 64 261 68 266 13024 11275 49 252 44 257 62 262 60 266 11275 9725 46 251 41 264 57 263 52 264 9725 8350 44 254 36 261 49 263 48 260 8350 7126 44 261 35 259 42 262 46 256 7126 6038 43 265 32 255 36 257 45 254 6038 5071 41 264 26 248 31 249 42 252 5071 4217 36 259 22 242 27 242 39 249 4217 3462 30 252 21 240 26 241 34 247 3462 2785 26 244 19 239 24 240 30 244 2785 2185 23 235 18 238 21 238 26 241 2185 1685 20 225 17 237 19 236 22 238 1685 1301 17 217 15 237 15 232 17 233 1301 1036 13 209 14 235 13 230 13 227 1036 875 11*205 12 235 10 229 9*216 875 784 6*200 9*235 7*227 5*201 784 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