DrJack's BLIPSPOT for: FRI 09/18 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 - - - - - - 0659z - - 1001z - - 1333z Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 62.8 - - 59.7 - - 52.5 Temp@2m Sfc.Heating - - - - - - 169 - - 44 - - -26 Sfc.Heating BL Depth - - - - - - 4886 - - 3581 - - 33 BL Depth Hcrit - - - - - - 4295 - - 2208 - - 1216 Hcrit BL Top - - - - - - 6086 - - 4781 - - 1233 BL Top Hgt.Variab. - - - - - - 932 - - 1176 - - 3746 Hgt.Variab. W* - - - - - - 392 - - 235 - - 14 W* B/S - - - - - - 3 - - 2 - - 1 B/S BL Wind - - - - - - 20 - - 20 - - 5 BL Wind Direction - - - - - - 309 - - 313 - - 313 Direction Wind Shear - - - - - - 13 - - 13 - - 0 Wind Shear Max.Converg - - - - - - 7 - - 9 - - 2 Max.Converg CLOUDpotent - - - - - - 1307 - - -944 - - -2077 CLOUDpotentl sfcLCL - - - - - - 4779 - - 5726 - - 3310 sfcLCL ODpotential - - - - - - -55 - - -10517 - - -3424 ODpotential blCL - - - - - - 6141 - - 15298 - - 4657 blCL maxRH - - - - - - 80 - - 59 - - 80 maxRH CAPE - - - - - - 30 - - 0 - - 0 CAPE Temp@2m - - - - - - 62.8 - - 59.7 - - 52.5 Temp@2m DewPt@2m - - - - - - 46.2 - - 39.1 - - 42.5 DewPt@2m Temp@Bot - - - - - - 62.3 - - 59.8 - - 54.4 Temp@Bot DewPt@Bot - - - - - - 45.1 - - 38.1 - - 42.0 DewPt@bot Sfc.Heating - - - - - - 169 - - 44 - - -26 Sfc.Heating BL Depth - - - - - - 4886 - - 3581 - - 33 BL Depth EXPERIMENT - - - - - - 20 - - 0 - - 21 EXPERIMENT EXPERIMENT2 - - - - - - 6 - - 5 - - 6 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] 98579 18 060 15 041 13 033 98579 91201 15 050 9 028 14 014 91201 85476 14 029 9 344 12 344 85476 80710 13 330 9 309 14 334 80710 76595 7 304 10 271 11 290 76595 72953 16 307 13 298 17 296 72953 69662 25 284 22 284 24 300 69662 66636 20 259 25 267 29 289 66636 63828 20 281 23 275 31 289 63828 61123 35 292 32 292 36 290 61123 58313 47 283 44 284 41 280 58313 55404 52 280 49 281 45 284 55404 52646 63 280 62 286 58 288 52646 50185 72 273 75 282 75 285 50185 47989 72 270 87 277 87 273 47989 45990 73 271 83 273 77 270 45990 44155 74 272 75 277 75 288 44155 42472 75 275 83 291 99 298 42472 40917 83 283 101 298 116 291 40917 39460 93 290 119 297 113 283 39460 38079 99 289 123 296 111 279 38079 36734 95 281 119 296 111 279 36734 35360 90 275 102 290 112 281 35360 33926 85 274 90 278 112 288 33926 32441 84 280 86 277 104 291 32441 30895 84 281 86 284 87 285 30895 29277 80 273 84 285 81 278 29277 27582 79 272 85 280 79 277 27582 25808 75 273 85 277 77 278 25808 23957 69 271 81 278 74 276 23957 22029 65 270 72 281 74 277 22029 20022 60 271 64 282 70 281 20022 17936 54 274 58 283 63 287 17936 15824 50 279 51 284 53 291 15824 13805 47 285 45 288 43 293 13805 11979 44 290 41 292 38 297 11979 10360 40 292 38 297 34 303 10360 8927 36 295 35 302 31 309 8927 7658 32 297 31 307 29 313 7658 6539 24*303 27 310 26 313 6539 5554 23*305 23*312 25 318 5554 4692 22 307 22*313 26 326 4692 3932 22 308 22 313 26 329 3932 3250 21 309 22 313 26 329 3250 2646 20 310 21 313 25 327 2646 2141 20 310 20 313 22 325 2141 1754 19 310 19 313 18 322 1754 1487 17 311 17 313 14 318 1487 1325 15 310 14 312 10*316 1325 1233 10 310 9 313 5*313 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