DrJack's BLIPSPOT for: FRI 04/24 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 - - - - - - 44.6 - - 43.0 - - - Temp@2m Sfc.Heating - - - - - - 284 - - 106 - - - Sfc.Heating BL Depth - - - - - - 5160 - - 4310 - - - BL Depth Hcrit - - - - - - 4735 - - 3533 - - - Hcrit BL Top - - - - - - 6360 - - 5510 - - - BL Top Hgt.Variab. - - - - - - 1243 - - 1485 - - - Hgt.Variab. W* - - - - - - 464 - - 316 - - - W* B/S - - - - - - 5 - - 4 - - - B/S BL Wind - - - - - - 18 - - 14 - - - BL Wind Direction - - - - - - 332 - - 342 - - - Direction Wind Shear - - - - - - 10 - - 9 - - - Wind Shear Max.Converg - - - - - - 6 - - 8 - - - Max.Converg CLOUDpotent - - - - - - 747 - - 937 - - - CLOUDpotentl sfcLCL - - - - - - 5613 - - 4573 - - - sfcLCL ODpotential - - - - - - 423 - - 493 - - - ODpotential blCL - - - - - - 5937 - - 5017 - - - blCL maxRH - - - - - - 95 - - 99 - - - maxRH CAPE - - - - - - 0 - - 0 - - - CAPE Temp@2m - - - - - - 44.6 - - 43.0 - - - Temp@2m DewPt@2m - - - - - - 24.2 - - 27.3 - - - DewPt@2m Temp@Bot - - - - - - 43.4 - - 42.6 - - - Temp@Bot DewPt@Bot - - - - - - 23.5 - - 26.8 - - - DewPt@bot Sfc.Heating - - - - - - 284 - - 106 - - - Sfc.Heating BL Depth - - - - - - 5160 - - 4310 - - - BL Depth EXPERIMENT - - - - - - 80 - - 95 - - - EXPERIMENT EXPERIMENT2 - - - - - - 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] 97343 14 246 19 260 97343 89976 15 222 16 253 89976 84327 14 201 9 259 84327 79641 12 173 7 227 79641 75584 6 140 3 113 75584 71984 8 083 6 098 71984 68712 8 064 7 096 68712 65677 8 054 5 084 65677 62850 7 052 8 029 62850 60111 7 031 5 015 60111 57247 17 030 3 356 57247 54260 17 353 7 007 54260 51416 17 326 15 346 51416 48868 17 327 18 343 48868 46590 25 347 26 335 46590 44535 34 336 33 329 44535 42664 36 324 40 325 42664 40948 36 320 46 320 40948 39361 41 333 47 316 39361 37882 58 335 47 322 37882 36498 65 317 54 330 36498 35168 63 308 62 328 35168 33826 57 311 64 320 33826 32445 55 318 63 315 32445 31023 58 321 63 315 31023 29541 62 322 64 317 29541 27986 65 324 65 319 27986 26363 66 324 66 319 26363 24674 64 323 66 317 24674 22920 58 323 62 316 22920 21102 53 323 56 318 21102 19211 49 324 49 320 19211 17240 47 328 44 322 17240 15228 45 336 39 327 15228 13292 42 340 36 330 13292 11536 39 341 33 332 11536 9981 41 339 30 337 9981 8608 38 340 27 345 8608 7402 21*333 19 332 7402 6341 19*331 16*328 6341 5403 19 331 16*330 5403 4574 18 331 15 334 4574 3841 18 332 15 341 3841 3183 18 332 14 344 3183 2600 18 333 14 346 2600 2112 17 333 14 348 2112 1737 16 333 13 349 1737 1479 15 333 12 350 1479 1322 13 333 11 351 1322 1232 9 333 8 351 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