DrJack's BLIPSPOT for: THU 08/20 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 - - - - - - - - - 71.8 - - - Temp@2m Sfc.Heating - - - - - - - - - 38 - - - Sfc.Heating BL Depth - - - - - - - - - 5229 - - - BL Depth Hcrit - - - - - - - - - 3418 - - - Hcrit BL Top - - - - - - - - - 6429 - - - BL Top Hgt.Variab. - - - - - - - - - 2756 - - - Hgt.Variab. W* - - - - - - - - - 265 - - - W* B/S - - - - - - - - - 6 - - - B/S BL Wind - - - - - - - - - 8 - - - BL Wind Direction - - - - - - - - - 295 - - - Direction Wind Shear - - - - - - - - - 4 - - - Wind Shear Max.Converg - - - - - - - - - 7 - - - Max.Converg CLOUDpotent - - - - - - - - - 1026 - - - CLOUDpotentl sfcLCL - - - - - - - - - 5404 - - - sfcLCL ODpotential - - - - - - - - - -416 - - - ODpotential blCL - - - - - - - - - 6845 - - - blCL maxRH - - - - - - - - - 92 - - - maxRH CAPE - - - - - - - - - 80 - - - CAPE Temp@2m - - - - - - - - - 71.8 - - - Temp@2m DewPt@2m - - - - - - - - - 52.4 - - - DewPt@2m Temp@Bot - - - - - - - - - 71.9 - - - Temp@Bot DewPt@Bot - - - - - - - - - 51.3 - - - DewPt@bot Sfc.Heating - - - - - - - - - 38 - - - Sfc.Heating BL Depth - - - - - - - - - 5229 - - - BL Depth EXPERIMENT - - - - - - - - - 68 - - - EXPERIMENT EXPERIMENT2 - - - - - - - - - 7 - - - 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] 99377 6 098 99377 91929 10 102 91929 86172 14 100 86172 81382 12 087 81382 77247 9 058 77247 73580 4 129 73580 70249 5 183 70249 67171 7 179 67171 64302 11 221 64302 61534 22 243 61534 58668 28 234 58668 55694 38 243 55694 52863 49 239 52863 50338 50 232 50338 48087 62 246 48087 46059 85 237 46059 44224 103 224 44224 42530 98 219 42530 40945 98 228 40945 39460 107 229 39460 38066 107 226 38066 36715 105 223 36715 35338 105 226 35338 33906 99 228 33906 32424 94 227 32424 30881 88 231 30881 29264 76 232 29264 27571 75 227 27571 25800 69 227 25800 23957 62 229 23957 22045 58 229 22045 20059 49 236 20059 18004 40 256 18004 15919 35 255 15919 13915 29 248 13915 12099 25 251 12099 10491 20 251 10491 9069 13 249 9069 7806 8 255 7806 6682 8*263 6682 5683 8*277 5683 4799 8 290 4799 4017 9 294 4017 3315 9 297 3315 2693 9 299 2693 2173 9 300 2173 1772 9 301 1772 1498 8 301 1498 1330 7 302 1330 1234 5 302 1234 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