DrJack's BLIPSPOT for: THU 12/18 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 - - - - - - 0659z - - 1002z - - 1334z Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 37.7 - - 33.2 - - 29.6 Temp@2m Sfc.Heating - - - - - - -18 - - -46 - - -40 Sfc.Heating BL Depth - - - - - - 182 - - 32 - - 31 BL Depth Hcrit - - - - - - 1215 - - 1215 - - 1215 Hcrit BL Top - - - - - - 1382 - - 1232 - - 1231 BL Top Hgt.Variab. - - - - - - 964 - - 850 - - 562 Hgt.Variab. W* - - - - - - 40 - - 13 - - 8 W* B/S - - - - - - 1 - - 0 - - 0 B/S BL Wind - - - - - - 11 - - 7 - - 5 BL Wind Direction - - - - - - 157 - - 144 - - 146 Direction Wind Shear - - - - - - 7 - - 0 - - 0 Wind Shear Max.Converg - - - - - - -6 - - -5 - - -5 Max.Converg CLOUDpotent - - - - - - -1724 - - -944 - - -988 CLOUDpotentl sfcLCL - - - - - - 3106 - - 2176 - - 2219 sfcLCL ODpotential - - - - - - -10491 - - -11286 - - -12039 ODpotential blCL - - - - - - 11873 - - 12518 - - 13270 blCL maxRH - - - - - - 62 - - 67 - - 81 maxRH CAPE - - - - - - 0 - - 0 - - 0 CAPE Temp@2m - - - - - - 37.7 - - 33.2 - - 29.6 Temp@2m DewPt@2m - - - - - - 28.8 - - 28.3 - - 24.5 DewPt@2m Temp@Bot - - - - - - 38.8 - - 37.2 - - 33.8 Temp@Bot DewPt@Bot - - - - - - 27.8 - - 28.4 - - 26.8 DewPt@bot Sfc.Heating - - - - - - -18 - - -46 - - -40 Sfc.Heating BL Depth - - - - - - 182 - - 32 - - 31 BL Depth EXPERIMENT - - - - - - 0 - - 0 - - 24 EXPERIMENT EXPERIMENT2 - - - - - - 3 - - 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] 96062 43 276 34 284 34 275 96062 89080 41 277 41 267 37 275 89080 83623 32 273 41 257 39 269 83623 79040 25 253 39 252 33 256 79040 75067 28 244 37 257 31 262 75067 71552 30 246 33 263 34 264 71552 68356 29 255 37 264 33 256 68356 65390 34 252 37 262 31 265 65390 62617 43 241 45 256 45 256 62617 59945 38 246 57 242 52 247 59945 57177 49 253 53 246 51 250 57177 54293 60 256 59 256 55 251 54293 51531 67 254 64 254 63 248 51531 49041 70 253 65 254 73 247 49041 46803 67 258 67 256 72 249 46803 44767 73 263 74 257 88 258 44767 42901 80 264 87 259 101 254 42901 41190 77 258 84 256 96 250 41190 39636 58 249 77 253 75 242 39636 38219 50 266 66 252 62 241 38219 36899 52 280 57 266 53 234 36899 35622 53 278 59 267 52 231 35622 34318 53 270 59 261 51 229 34318 32959 53 263 57 253 49 226 32959 31549 56 258 57 249 43 226 31549 30074 59 253 56 253 40 224 30074 28523 60 253 55 253 39 222 28523 26894 56 251 54 248 40 219 26894 25189 53 253 52 244 43 218 25189 23406 57 259 48 239 46 213 23406 21548 58 253 44 235 51 206 21548 19615 52 246 44 233 57 206 19615 17613 45 239 46 230 59 211 17613 15582 40 234 46 225 55 215 15582 13627 36 232 45 218 47 216 13627 11846 35 234 45 210 41 216 11846 10260 36 233 47 208 37 216 10260 8847 38 231 50 211 34 216 8847 7589 42 226 52 214 33 216 7589 6471 45 218 52 215 35 215 6471 5484 47 211 50 215 39 213 5484 4617 46 205 49 211 45 208 4617 3857 44 198 49 203 49 203 3857 3183 39 188 47 192 46 197 3183 2592 34 177 40 178 38 186 2592 2104 30 168 33 163 30 170 2104 1731 23 162 27 157 25 163 1731 1475 19*159 21 153 19 159 1475 1320 15*158 16*152 14 158 1320 1231 8 156 7*144 5*146 1231 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