DrJack's BLIPSPOT for: FRI 04/03 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 - - - - - - 58.4 - - 60.7 - - - Temp@2m Sfc.Heating - - - - - - 84 - - -14 - - - Sfc.Heating BL Depth - - - - - - 1249 - - 503 - - - BL Depth Hcrit - - - - - - 1217 - - 1217 - - - Hcrit BL Top - - - - - - 2449 - - 1703 - - - BL Top Hgt.Variab. - - - - - - 725 - - 1449 - - - Hgt.Variab. W* - - - - - - 207 - - 71 - - - W* B/S - - - - - - 2 - - 1 - - - B/S BL Wind - - - - - - 20 - - 14 - - - BL Wind Direction - - - - - - 207 - - 206 - - - Direction Wind Shear - - - - - - 13 - - 9 - - - Wind Shear Max.Converg - - - - - - -6 - - -5 - - - Max.Converg CLOUDpotent - - - - - - 41 - - -327 - - - CLOUDpotentl sfcLCL - - - - - - 2408 - - 2030 - - - sfcLCL ODpotential - - - - - - -5190 - - -3087 - - - ODpotential blCL - - - - - - 7639 - - 4790 - - - blCL maxRH - - - - - - 82 - - 97 - - - maxRH CAPE - - - - - - 0 - - 20 - - - CAPE Temp@2m - - - - - - 58.4 - - 60.7 - - - Temp@2m DewPt@2m - - - - - - 52.0 - - 55.9 - - - DewPt@2m Temp@Bot - - - - - - 58.3 - - 61.4 - - - Temp@Bot DewPt@Bot - - - - - - 50.8 - - 55.3 - - - DewPt@bot Sfc.Heating - - - - - - 84 - - -14 - - - Sfc.Heating BL Depth - - - - - - 1249 - - 503 - - - BL Depth EXPERIMENT - - - - - - 28 - - 89 - - - EXPERIMENT EXPERIMENT2 - - - - - - 8 - - 10 - - - 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] 96672 14 244 15 285 96672 89446 7 220 12 254 89446 83879 8 284 12 265 83879 79257 6 279 16 282 79257 75279 7 302 15 301 75279 71742 14 304 20 289 71742 68529 21 276 18 282 68529 65561 21 270 24 294 65561 62797 24 285 30 275 62797 60138 35 278 30 270 60138 57380 35 271 32 274 57380 54515 33 267 34 269 54515 51779 37 269 42 276 51779 49317 41 268 60 273 49317 47123 52 253 69 253 47123 45167 60 247 73 243 45167 43411 70 247 83 245 43411 41797 88 243 99 245 41797 40286 100 241 108 243 40286 38860 99 242 103 240 38860 37510 94 241 95 236 37510 36200 89 238 89 237 36200 34866 84 239 86 243 34866 33480 81 243 83 247 33480 32047 80 245 75 249 32047 30553 78 245 70 254 30553 28983 75 248 72 258 28983 27334 73 251 74 260 27334 25608 68 254 70 261 25608 23812 64 258 64 260 23812 21948 63 258 61 258 21948 20005 63 253 60 254 20005 17975 59 248 60 252 17975 15903 58 244 57 251 15903 13909 57 242 55 251 13909 12096 56 244 56 253 12096 10485 57 247 59 255 10485 9053 56 249 61 257 9053 7781 53 250 60 258 7781 6650 50 251 58 256 6650 5647 48 250 55 253 5647 4762 45 246 51 249 4762 3981 42 240 47 244 3981 3283 37 232 40 236 3283 2668 30*219 33 226 2668 2156 24*209 26 217 2156 1763 22 207 21*212 1763 1492 20 206 18*208 1492 1328 17 204 15 206 1328 1233 11 202 9 203 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