DrJack's BLIPSPOT for: SUN 09/13 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 = 12Z 0Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - - - - - - - 0959z - - 1333z Update Time FCST PERIOD - - - - - - - - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - - - - 70.9 - - 65.9 Temp@2m Sfc.Heating - - - - - - - - - 25 - - -10 Sfc.Heating BL Depth - - - - - - - - - 1686 - - 34 BL Depth Hcrit - - - - - - - - - 1218 - - 1217 Hcrit BL Top - - - - - - - - - 2886 - - 1234 BL Top Hgt.Variab. - - - - - - - - - 1497 - - 1368 Hgt.Variab. W* - - - - - - - - - 156 - - 4 W* B/S - - - - - - - - - 3 - - 0 B/S BL Wind - - - - - - - - - 9 - - 3 BL Wind Direction - - - - - - - - - 187 - - 184 Direction Wind Shear - - - - - - - - - 5 - - 0 Wind Shear Max.Converg - - - - - - - - - -3 - - -2 Max.Converg CLOUDpotent - - - - - - - - - 532 - - -58 CLOUDpotentl sfcLCL - - - - - - - - - 2354 - - 1292 sfcLCL ODpotential - - - - - - - - - -894 - - -2408 ODpotential blCL - - - - - - - - - 3780 - - 3642 blCL maxRH - - - - - - - - - 92 - - 95 maxRH CAPE - - - - - - - - - 320 - - 390 CAPE Temp@2m - - - - - - - - - 70.9 - - 65.9 Temp@2m DewPt@2m - - - - - - - - - 64.3 - - 63.9 DewPt@2m Temp@Bot - - - - - - - - - 71.0 - - 68.0 Temp@Bot DewPt@Bot - - - - - - - - - 63.8 - - 63.8 DewPt@bot Sfc.Heating - - - - - - - - - 25 - - -10 Sfc.Heating BL Depth - - - - - - - - - 1686 - - 34 BL Depth EXPERIMENT - - - - - - - - - 68 - - 82 EXPERIMENT EXPERIMENT2 - - - - - - - - - 13 - - 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] 98894 5 176 4 228 98894 91516 7 171 5 196 91516 85776 4 230 3 235 85776 80991 7 230 7 227 80991 76856 10 245 10 227 76856 73188 19 262 12 237 73188 69854 14 237 12 242 69854 66777 17 224 18 255 66777 63929 27 236 27 248 63929 61185 31 227 27 236 61185 58330 30 230 32 245 58330 55380 42 244 43 240 55380 52586 57 239 48 238 52586 50086 63 230 60 242 50086 47872 77 243 80 239 47872 45891 86 235 89 226 45891 44076 70 227 81 216 44076 42396 65 236 74 235 42396 40838 65 235 81 240 40838 39381 60 229 79 235 39381 38005 62 222 76 229 38005 36671 71 216 77 227 36671 35311 77 212 74 224 35311 33898 76 214 70 221 33898 32434 74 218 67 221 32434 30905 70 224 65 226 30905 29299 66 227 63 231 29299 27617 61 228 66 235 27617 25857 57 231 65 241 25857 24023 54 240 62 246 24023 22120 48 250 56 248 22120 20152 38 251 42 248 20152 18113 31 235 37 243 18113 16037 27 236 34 246 16037 14037 24 251 31 246 14037 12218 23 260 28 244 12218 10596 21 261 26 244 10596 9152 17 254 24 247 9152 7866 15 243 22 250 7866 6724 15 241 20 253 6724 5714 15 248 19 258 5714 4822 14 250 19 259 4822 4033 12 241 20 256 4033 3324 11*222 20 249 3324 2698 10*196 18 237 2698 2175 10 189 14 218 2175 1774 9 185 12 205 1774 1497 8 183 9 195 1497 1330 7 181 6*189 1330 1234 5 179 3*184 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