DrJack's BLIPSPOT for: WED 05/13 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 = 09Z 21Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - - - - 0659z - - 1002z - - - Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - - FCST PERIOD Temp@2m - - - - - - 74.7 - - 63.5 - - - Temp@2m Sfc.Heating - - - - - - 122 - - 31 - - - Sfc.Heating BL Depth - - - - - - 7988 - - 76 - - - BL Depth Hcrit - - - - - - 5921 - - 769 - - - Hcrit BL Top - - - - - - 8697 - - 785 - - - BL Top Hgt.Variab. - - - - - - 2095 - - 2429 - - - Hgt.Variab. W* - - - - - - 415 - - 57 - - - W* B/S - - - - - - 4 - - 3 - - - B/S BL Wind - - - - - - 17 - - 4 - - - BL Wind Direction - - - - - - 221 - - 203 - - - Direction Wind Shear - - - - - - 13 - - 0 - - - Wind Shear Max.Converg - - - - - - 13 - - -1 - - - Max.Converg CLOUDpotent - - - - - - 1458 - - -1132 - - - CLOUDpotentl sfcLCL - - - - - - 7240 - - 1917 - - - sfcLCL ODpotential - - - - - - 769 - - -2360 - - - ODpotential blCL - - - - - - 7928 - - 3145 - - - blCL maxRH - - - - - - 96 - - 85 - - - maxRH CAPE - - - - - - 110 - - 490 - - - CAPE Temp@2m - - - - - - 74.7 - - 63.5 - - - Temp@2m DewPt@2m - - - - - - 45.5 - - 57.6 - - - DewPt@2m Temp@Bot - - - - - - 73.6 - - 62.9 - - - Temp@Bot DewPt@Bot - - - - - - 44.4 - - 56.9 - - - DewPt@bot Sfc.Heating - - - - - - 122 - - 31 - - - Sfc.Heating BL Depth - - - - - - 7988 - - 76 - - - BL Depth EXPERIMENT - - - - - - 84 - - 40 - - - EXPERIMENT EXPERIMENT2 - - - - - - 6 - - 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] 98048 0 093 4 208 98048 90615 4 076 2 149 90615 84881 4 209 1 021 84881 80123 7 207 4 273 80123 76024 4 154 5 239 76024 72389 5 274 3 146 72389 69084 10 252 4 260 69084 66058 10 257 10 256 66058 63258 12 265 9 250 63258 60529 11 261 14 276 60529 57677 25 270 24 268 57677 54719 30 261 28 254 54719 51893 36 270 28 253 51893 49347 47 268 32 267 49347 47064 53 253 48 264 47064 45000 55 245 58 251 45000 43119 51 242 56 247 43119 41393 49 246 58 245 41393 39798 57 248 61 242 39798 38319 71 245 64 241 38319 36943 82 238 69 241 36943 35631 83 232 73 240 35631 34312 79 231 75 238 34312 32950 75 233 75 236 32950 31539 71 235 74 233 31539 30061 67 236 73 231 30061 28503 64 236 71 233 28503 26867 60 235 68 235 26867 25152 54 233 64 234 25152 23360 52 231 59 234 23360 21493 52 233 54 238 21493 19549 48 238 45 240 19549 17524 44 247 35 231 17524 15454 40 256 35 229 15454 13458 38 255 37 238 13458 11644 33 237 37 244 11644 10036 27*227 38 251 10036 8612 21*226 35 259 8612 7344 20 226 32 262 7344 6215 18 225 29 257 6215 5212 17 223 27 247 5212 4327 16 219 26 237 4327 3545 16 217 23 230 3545 2845 15 215 20 226 2845 2228 15 214 15 222 2228 1713 14 213 10 217 1713 1318 14 213 6 210 1318 1045 13 213 5 208 1045 880 12 212 5 205 880 785 9 213 4*203 785 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