DrJack's BLIPSPOT for: THU 04/23 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 - - - - - - 50.5 - - 49.6 - - - Temp@2m Sfc.Heating - - - - - - 363 - - 185 - - - Sfc.Heating BL Depth - - - - - - 6259 - - 6431 - - - BL Depth Hcrit - - - - - - 5716 - - 5488 - - - Hcrit BL Top - - - - - - 7459 - - 7631 - - - BL Top Hgt.Variab. - - - - - - 1320 - - 1638 - - - Hgt.Variab. W* - - - - - - 540 - - 435 - - - W* B/S - - - - - - 4 - - 3 - - - B/S BL Wind - - - - - - 24 - - 23 - - - BL Wind Direction - - - - - - 311 - - 314 - - - Direction Wind Shear - - - - - - 18 - - 14 - - - Wind Shear Max.Converg - - - - - - 11 - - 12 - - - Max.Converg CLOUDpotent - - - - - - 316 - - 225 - - - CLOUDpotentl sfcLCL - - - - - - 7144 - - 7407 - - - sfcLCL ODpotential - - - - - - -3429 - - -1921 - - - ODpotential blCL - - - - - - 10888 - - 9552 - - - blCL maxRH - - - - - - 54 - - 67 - - - maxRH CAPE - - - - - - 0 - - 0 - - - CAPE Temp@2m - - - - - - 50.5 - - 49.6 - - - Temp@2m DewPt@2m - - - - - - 23.2 - - 21.1 - - - DewPt@2m Temp@Bot - - - - - - 49.4 - - 48.9 - - - Temp@Bot DewPt@Bot - - - - - - 22.0 - - 20.1 - - - DewPt@bot Sfc.Heating - - - - - - 363 - - 185 - - - Sfc.Heating BL Depth - - - - - - 6259 - - 6431 - - - BL Depth EXPERIMENT - - - - - - 0 - - 0 - - - EXPERIMENT EXPERIMENT2 - - - - - - 2 - - 2 - - - 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] 97369 16 249 14 259 97369 89974 14 214 15 241 89974 84314 15 204 12 244 84314 79625 10 183 10 235 79625 75583 11 167 12 208 75583 71985 9 165 9 189 71985 68692 4 168 6 179 68692 65639 4 068 3 147 65639 62800 3 320 7 324 62800 60058 7 265 9 300 60058 57202 5 291 13 312 57202 54222 11 318 12 310 54222 51357 19 342 19 345 51357 48775 30 324 29 333 48775 46484 37 308 38 325 46484 44434 42 320 48 324 44434 42566 54 320 61 317 42566 40845 59 311 70 309 40845 39245 61 309 77 305 39245 37751 66 312 78 305 37751 36362 79 318 86 311 36362 35046 101 325 98 323 35046 33726 122 329 121 329 33726 32359 135 323 127 325 32359 30943 132 318 134 320 30943 29467 122 317 133 317 29467 27918 117 320 126 314 27918 26303 116 320 118 312 26303 24618 115 318 115 315 24618 22860 113 317 114 316 22860 21030 108 315 111 314 21030 19125 105 311 107 310 19125 17144 101 309 104 308 17144 15137 88 313 95 310 15137 13228 67 317 74 313 13228 11511 52 318 56 314 11511 9993 44 316 45 311 9993 8649 40*315 34*309 8649 7454 30*312 25*311 7454 6390 25 311 25 312 6390 5445 25 311 25 313 5445 4609 25 311 24 314 4609 3869 24 311 24 314 3869 3204 24 312 24 315 3204 2615 23 312 23 315 2615 2122 23 312 23 315 2122 1743 21 312 21 315 1743 1482 20 312 20 315 1482 1323 17 312 17 315 1323 1232 12 312 11 316 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