DrJack's BLIPSPOT for: TUE 08/04 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 - - - - - - 83.4 - - 84.4 - - 77.3 Temp@2m Sfc.Heating - - - - - - 247 - - 106 - - -7 Sfc.Heating BL Depth - - - - - - 3904 - - 4176 - - 78 BL Depth Hcrit - - - - - - 3241 - - 3004 - - 770 Hcrit BL Top - - - - - - 4613 - - 4885 - - 787 BL Top Hgt.Variab. - - - - - - 1469 - - 2226 - - 3181 Hgt.Variab. W* - - - - - - 410 - - 321 - - 23 W* B/S - - - - - - 13 - - 11 - - 1 B/S BL Wind - - - - - - 6 - - 5 - - 6 BL Wind Direction - - - - - - 079 - - 106 - - 117 Direction Wind Shear - - - - - - 2 - - 1 - - 0 Wind Shear Max.Converg - - - - - - 1 - - 4 - - -2 Max.Converg CLOUDpotent - - - - - - -965 - - -349 - - -1705 CLOUDpotentl sfcLCL - - - - - - 5578 - - 5234 - - 2492 sfcLCL ODpotential - - - - - - -3981 - - -986 - - -2963 ODpotential blCL - - - - - - 8594 - - 5871 - - 3750 blCL maxRH - - - - - - 83 - - 89 - - 88 maxRH CAPE - - - - - - 0 - - 50 - - 250 CAPE Temp@2m - - - - - - 83.4 - - 84.4 - - 77.3 Temp@2m DewPt@2m - - - - - - 61.6 - - 64.2 - - 68.8 DewPt@2m Temp@Bot - - - - - - 81.4 - - 83.1 - - 77.4 Temp@Bot DewPt@Bot - - - - - - 60.6 - - 63.3 - - 68.6 DewPt@bot Sfc.Heating - - - - - - 247 - - 106 - - -7 Sfc.Heating BL Depth - - - - - - 3904 - - 4176 - - 78 BL Depth EXPERIMENT - - - - - - 31 - - 57 - - 50 EXPERIMENT EXPERIMENT2 - - - - - - 11 - - 12 - - 15 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] 99447 32 080 31 090 23 096 99447 91952 30 085 28 086 26 088 91952 86186 28 080 24 089 23 074 86186 81411 27 086 24 087 23 069 81411 77300 28 082 20 082 24 072 77300 73665 23 081 17 084 19 065 73665 70376 19 086 16 088 14 068 70376 67355 17 088 14 089 14 081 67355 64560 13 064 11 080 11 091 64560 61864 6 062 7 093 10 088 61864 59069 4 103 6 107 2 067 59069 56186 5 038 5 120 4 142 56186 53451 2 111 3 165 2 172 53451 51008 3 224 8 237 6 217 51008 48829 24 222 24 222 13 224 48829 46858 37 200 34 198 24 210 46858 45052 28 212 32 194 28 198 45052 43370 37 227 30 216 28 199 43370 41789 49 222 42 223 34 211 41789 40302 52 217 44 217 42 211 40302 38896 53 207 46 211 45 208 38896 37531 55 203 46 203 43 206 37531 36137 54 199 45 197 43 202 36137 34682 54 198 45 194 42 198 34682 33172 54 203 44 193 40 194 33172 31590 48 213 40 196 39 197 31590 29925 33 224 35 206 37 204 29925 28180 20 181 26 229 31 211 28180 26357 16 173 17 211 14 194 26357 24457 12 151 17 182 17 180 24457 22480 13 130 16 146 15 188 22480 20425 20 112 18 125 9 182 20425 18287 18 093 19 107 10 136 18287 16111 19 089 21 108 10 151 16111 14017 13 101 14 118 9 153 14017 12112 8 144 5 149 8 160 12112 10421 7 171 3 197 8 154 10421 8921 5 188 4 219 7 146 8921 7592 4 193 5 204 7 154 7592 6414 4 171 4 170 6 157 6414 5371 5*108 4*124 5 123 5371 4453 6*088 5*115 6 100 4453 3643 6 083 5 110 9 106 3643 2919 6 080 5 106 11 113 2919 2280 6 078 6 105 12 117 2280 1747 6 075 6 103 12 118 1747 1337 6 073 5 101 12 118 1337 1056 6 073 5 101 11 118 1056 884 5 072 5 100 9*117 884 787 4 070 4 099 6*117 787 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