DrJack's BLIPSPOT for: THU 08/27 Montpelier_VT 1200ft pt43602@44.219,-72.589,1132ft SPONSORED BY: Moshe Braner, Post Mills Soaring Club BLIPSPOT sfc.temp. adjusted by +0.2 degF RUC - Last Analysis,Validation Time = 09Z 21Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - - - - - - - 0959z - - - Update Time FCST PERIOD - - - - - - - - - 12 hr - - - FCST PERIOD Temp@2m - - - - - - - - - 72.2 - - - Temp@2m Sfc.Heating - - - - - - - - - -12 - - - Sfc.Heating BL Depth - - - - - - - - - 467 - - - BL Depth Hcrit - - - - - - - - - 1218 - - - Hcrit BL Top - - - - - - - - - 1667 - - - BL Top Hgt.Variab. - - - - - - - - - 4291 - - - Hgt.Variab. W* - - - - - - - - - 63 - - - W* B/S - - - - - - - - - 1 - - - B/S BL Wind - - - - - - - - - 10 - - - BL Wind Direction - - - - - - - - - 186 - - - Direction Wind Shear - - - - - - - - - 7 - - - Wind Shear Max.Converg - - - - - - - - - -5 - - - Max.Converg CLOUDpotent - - - - - - - - - -1014 - - - CLOUDpotentl sfcLCL - - - - - - - - - 2681 - - - sfcLCL ODpotential - - - - - - - - - -2334 - - - ODpotential blCL - - - - - - - - - 4001 - - - blCL maxRH - - - - - - - - - 100 - - - maxRH CAPE - - - - - - - - - 1500 - - - CAPE Temp@2m - - - - - - - - - 72.2 - - - Temp@2m DewPt@2m - - - - - - - - - 64.4 - - - DewPt@2m Temp@Bot - - - - - - - - - 73.1 - - - Temp@Bot DewPt@Bot - - - - - - - - - 63.8 - - - DewPt@bot Sfc.Heating - - - - - - - - - -12 - - - Sfc.Heating BL Depth - - - - - - - - - 467 - - - BL Depth EXPERIMENT - - - - - - - - - 99 - - - EXPERIMENT EXPERIMENT2 - - - - - - - - - 13 - - - 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] 99229 16 079 99229 91806 17 075 91806 86064 12 087 86064 81263 9 123 81263 77111 9 132 77111 73443 6 118 73443 70125 6 134 70125 67070 4 162 67070 64230 5 211 64230 61469 7 220 61469 58585 12 213 58585 55598 14 234 55598 52757 21 232 52757 50207 28 236 50207 47922 36 220 47922 45859 40 227 45859 43986 45 226 43986 42271 47 228 42271 40681 51 232 40681 39202 54 234 39202 37821 53 236 37821 36498 49 236 36498 35159 43 236 35159 33769 40 232 33769 32327 36 229 32327 30822 35 228 30822 29239 33 228 29239 27579 31 229 27579 25840 31 229 25840 24025 31 228 24025 22137 29 229 22137 20176 29 232 20176 18136 30 231 18136 16056 31 229 16056 14049 31 230 14049 12225 31 231 12225 10605 30 229 10605 9164 29 224 9164 7881 28 217 7881 6740 27 209 6740 5728 26 202 5728 4835 25 197 4835 4043 24 195 4043 3334 22 194 3334 2706 20 194 2706 2181 18 191 2181 1778 16*189 1778 1500 14*187 1500 1331 11 185 1331 1235 7 185 1235 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