DrJack's BLIPSPOT for: THU 04/09 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 - - - - - - 0659z - - 1002z - - - Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - - FCST PERIOD Temp@2m - - - - - - 52.5 - - 54.3 - - - Temp@2m Sfc.Heating - - - - - - 156 - - 49 - - - Sfc.Heating BL Depth - - - - - - 2737 - - 2374 - - - BL Depth Hcrit - - - - - - 2686 - - 1216 - - - Hcrit BL Top - - - - - - 3937 - - 3574 - - - BL Top Hgt.Variab. - - - - - - 687 - - 888 - - - Hgt.Variab. W* - - - - - - 317 - - 210 - - - W* B/S - - - - - - 2 - - 2 - - - B/S BL Wind - - - - - - 26 - - 25 - - - BL Wind Direction - - - - - - 176 - - 178 - - - Direction Wind Shear - - - - - - 18 - - 19 - - - Wind Shear Max.Converg - - - - - - -9 - - -8 - - - Max.Converg CLOUDpotent - - - - - - -2575 - - -3142 - - - CLOUDpotentl sfcLCL - - - - - - 6512 - - 6717 - - - sfcLCL ODpotential - - - - - - -10662 - - -9239 - - - ODpotential blCL - - - - - - 14599 - - 12813 - - - blCL maxRH - - - - - - 77 - - 72 - - - maxRH CAPE - - - - - - 0 - - 0 - - - CAPE Temp@2m - - - - - - 52.5 - - 54.3 - - - Temp@2m DewPt@2m - - - - - - 28.7 - - 29.6 - - - DewPt@2m Temp@Bot - - - - - - 52.1 - - 54.2 - - - Temp@Bot DewPt@Bot - - - - - - 27.5 - - 28.5 - - - DewPt@bot Sfc.Heating - - - - - - 156 - - 49 - - - Sfc.Heating BL Depth - - - - - - 2737 - - 2374 - - - BL Depth EXPERIMENT - - - - - - 9 - - 0 - - - EXPERIMENT EXPERIMENT2 - - - - - - 3 - - 3 - - - 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] 97076 36 249 42 255 97076 89665 40 241 39 254 89665 83981 32 237 29 242 83981 79272 32 243 30 243 79272 75235 35 247 33 241 75235 71675 35 248 29 243 71675 68436 34 253 26 248 68436 65441 34 259 30 249 65441 62667 35 253 35 249 62667 59990 35 251 31 255 59990 57186 36 256 34 260 57186 54253 40 255 44 257 54253 51447 45 249 45 251 51447 48927 47 244 46 252 48927 46673 48 244 52 249 46673 44634 50 245 53 241 44634 42785 49 243 52 235 42785 41105 44 239 49 233 41105 39576 42 239 43 235 39576 38166 43 237 40 238 38166 36844 42 236 42 238 36844 35564 43 235 45 239 35564 34261 46 232 48 241 34261 32910 47 228 49 239 32910 31514 45 226 49 235 31514 30057 40 228 49 232 30057 28526 40 235 49 230 28526 26918 43 237 49 227 26918 25232 43 238 49 226 25232 23468 44 238 51 230 23468 21629 45 237 51 232 21629 19711 44 234 48 232 19711 17711 43 227 45 233 17711 15673 40 224 46 232 15673 13708 37 226 45 232 13708 11919 34 230 37 233 11919 10329 31 233 30 237 10329 8913 30 235 30 242 8913 7651 33 230 32 242 7651 6530 36 220 34 237 6530 5539 39 209 36 224 5539 4671 37*196 34 204 4671 3911 30*181 31*184 3911 3234 29 177 29*181 3234 2635 28 175 28 179 2635 2135 27 174 26 177 2135 1750 25 173 24 176 1750 1486 23 173 21 175 1486 1325 19 172 17 174 1325 1233 12 171 11 173 1233 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