DrJack's BLIPSPOT for: SUN 09/20 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 = 12Z 0Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - - - - 0953z - - 1001z - - 1333z Update Time FCST PERIOD - - - - - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 48.5 - - 48.0 - - 48.8 Temp@2m Sfc.Heating - - - - - - -7 - - -2 - - -3 Sfc.Heating BL Depth - - - - - - 261 - - 336 - - 32 BL Depth Hcrit - - - - - - 1216 - - 1216 - - 1216 Hcrit BL Top - - - - - - 1461 - - 1536 - - 1232 BL Top Hgt.Variab. - - - - - - 1256 - - 1006 - - 988 Hgt.Variab. W* - - - - - - 28 - - 21 - - 6 W* B/S - - - - - - 1 - - 1 - - 1 B/S BL Wind - - - - - - 7 - - 6 - - 1 BL Wind Direction - - - - - - 143 - - 131 - - 098 Direction Wind Shear - - - - - - 5 - - 5 - - 0 Wind Shear Max.Converg - - - - - - -4 - - -2 - - -2 Max.Converg CLOUDpotent - - - - - - -145 - - 241 - - 0 CLOUDpotentl sfcLCL - - - - - - 1606 - - 1295 - - 1232 sfcLCL ODpotential - - - - - - -6456 - - -533 - - -4503 ODpotential blCL - - - - - - 7917 - - 2069 - - 5735 blCL maxRH - - - - - - 100 - - 100 - - 100 maxRH CAPE - - - - - - 10 - - 30 - - 20 CAPE Temp@2m - - - - - - 48.5 - - 48.0 - - 48.8 Temp@2m DewPt@2m - - - - - - 45.9 - - 46.6 - - 47.7 DewPt@2m Temp@Bot - - - - - - 49.2 - - 48.5 - - 49.4 Temp@Bot DewPt@Bot - - - - - - 45.7 - - 46.5 - - 47.6 DewPt@bot Sfc.Heating - - - - - - -7 - - -2 - - -3 Sfc.Heating BL Depth - - - - - - 261 - - 336 - - 32 BL Depth EXPERIMENT - - - - - - 101 - - 101 - - 101 EXPERIMENT EXPERIMENT2 - - - - - - 7 - - 7 - - 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] 98264 10 152 4 236 6 006 98264 90879 7 176 5 182 3 235 90879 85153 11 195 6 212 5 186 85153 80388 7 225 4 244 4 195 80388 76288 11 224 13 264 6 258 76288 72674 6 181 15 230 11 254 72674 69406 6 294 11 248 11 262 69406 66409 13 289 16 278 16 277 66409 63644 16 277 18 264 22 265 63644 60956 27 288 24 263 23 254 60956 58144 41 281 34 282 37 280 58144 55248 54 266 47 275 45 273 55248 52494 57 261 51 270 47 276 52494 50020 62 265 61 272 60 278 50020 47817 66 263 74 267 74 268 47817 45834 74 260 92 258 86 257 45834 44016 83 254 91 249 84 252 44016 42324 76 253 80 247 80 253 42324 40744 82 273 76 264 85 265 40744 39268 104 275 94 270 101 267 39268 37880 110 269 108 268 104 264 37880 36537 110 270 107 262 102 261 36537 35167 105 269 107 259 104 257 35167 33739 94 254 107 256 103 255 33739 32258 93 251 107 254 101 255 32258 30713 93 256 100 256 94 259 30713 29099 85 257 80 260 86 262 29099 27418 74 257 72 261 74 265 27418 25662 66 258 69 263 67 268 25662 23834 60 263 65 264 63 266 23834 21935 55 265 62 265 60 266 21935 19959 54 260 60 266 58 266 19959 17897 53 256 56 266 55 266 17897 15800 45 253 49 266 48 268 15800 13800 37 250 37 264 34 269 13800 11994 31 254 28 256 23 270 11994 10386 24 253 25 254 21 266 10386 8959 26 249 18 260 17 256 8959 7693 29 234 14 271 11 268 7693 6568 29 221 20 263 8 298 6568 5573 23 214 26 238 8 315 5573 4699 19 207 25 222 10 310 4699 3930 17 196 21 205 11 289 3930 3243 20 180 19 181 10 256 3243 2637 22 162 18 158 10 204 2637 2134 20 152 15 148 12 168 2134 1749 16 149 11*140 10 158 1749 1485 13*146 8*134 6 152 1485 1324 10*145 6 131 4 145 1324 1232 5 142 3 126 1*098 1232 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