DrJack's BLIPSPOT for: WED 12/17 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 - - - - - - 35.0 - - 34.0 - - - Temp@2m Sfc.Heating - - - - - - -15 - - -22 - - - Sfc.Heating BL Depth - - - - - - 255 - - 32 - - - BL Depth Hcrit - - - - - - 1215 - - 1215 - - - Hcrit BL Top - - - - - - 1455 - - 1232 - - - BL Top Hgt.Variab. - - - - - - 1916 - - 2487 - - - Hgt.Variab. W* - - - - - - 23 - - 7 - - - W* B/S - - - - - - 1 - - 0 - - - B/S BL Wind - - - - - - 8 - - 4 - - - BL Wind Direction - - - - - - 209 - - 226 - - - Direction Wind Shear - - - - - - 5 - - 0 - - - Wind Shear Max.Converg - - - - - - -3 - - -2 - - - Max.Converg CLOUDpotent - - - - - - 24 - - -203 - - - CLOUDpotentl sfcLCL - - - - - - 1431 - - 1435 - - - sfcLCL ODpotential - - - - - - -793 - - -1618 - - - ODpotential blCL - - - - - - 2248 - - 2850 - - - blCL maxRH - - - - - - 100 - - 100 - - - maxRH CAPE - - - - - - 0 - - 0 - - - CAPE Temp@2m - - - - - - 35.0 - - 34.0 - - - Temp@2m DewPt@2m - - - - - - 32.9 - - 32.0 - - - DewPt@2m Temp@Bot - - - - - - 36.3 - - 36.4 - - - Temp@Bot DewPt@Bot - - - - - - 32.7 - - 31.9 - - - DewPt@bot Sfc.Heating - - - - - - -15 - - -22 - - - Sfc.Heating BL Depth - - - - - - 255 - - 32 - - - BL Depth EXPERIMENT - - - - - - 100 - - 100 - - - EXPERIMENT EXPERIMENT2 - - - - - - 4 - - 4 - - - 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] 95056 61 290 61 297 95056 88339 53 296 51 299 88339 83122 57 294 55 293 83122 78701 58 285 55 286 78701 74810 54 280 53 280 74810 71309 47 275 54 268 71309 68123 40 263 46 255 68123 65195 32 254 36 248 65195 62448 37 252 34 251 62448 59743 48 242 41 254 59743 56892 50 242 54 250 56892 53934 51 247 65 248 53934 51116 54 249 71 243 51116 48577 66 247 71 236 48577 46292 79 240 68 234 46292 44208 85 232 66 239 44208 42294 84 229 68 244 42294 40535 84 233 80 247 40535 38920 88 237 99 243 38920 37429 92 237 109 235 37429 36041 100 238 107 230 36041 34720 109 236 108 231 34720 33400 113 230 114 231 33400 32046 115 227 115 229 32046 30649 111 226 112 227 30649 29192 105 226 109 227 29192 27661 102 224 106 229 27661 26059 100 224 104 232 26059 24385 97 226 106 235 24385 22643 91 228 108 236 22643 20836 84 231 106 235 20836 18964 78 232 99 233 18964 17024 72 231 89 233 17024 15060 65 230 79 236 15060 13175 61 232 70 243 13175 11463 58 240 63 251 11463 9939 58 246 60 257 9939 8584 58 248 59 260 8584 7383 56 247 57 262 7383 6321 52 248 53 265 6321 5382 46 249 48 267 5382 4554 41 247 44 265 4554 3823 38 241 41 260 3823 3169 35 235 37 253 3169 2589 30 229 34 247 2589 2105 24 225 30 245 2105 1733 19 220 24 244 1733 1476 14*215 17 241 1476 1321 11*211 12*237 1321 1232 6 206 4*226 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