DrJack's BLIPSPOT for: WED 02/18 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 - - - - - - 0953z - - 1001z - - 1333z Update Time FCST PERIOD - - - - - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 28.8 - - 27.8 - - 18.3 Temp@2m Sfc.Heating - - - - - - 89 - - 7 - - -7 Sfc.Heating BL Depth - - - - - - 1899 - - 1533 - - 31 BL Depth Hcrit - - - - - - 1669 - - 1214 - - 1214 Hcrit BL Top - - - - - - 3099 - - 2733 - - 1231 BL Top Hgt.Variab. - - - - - - 617 - - 893 - - 1312 Hgt.Variab. W* - - - - - - 231 - - 101 - - 0 W* B/S - - - - - - 4 - - 2 - - 0 B/S BL Wind - - - - - - 11 - - 8 - - 3 BL Wind Direction - - - - - - 335 - - 350 - - 355 Direction Wind Shear - - - - - - 6 - - 5 - - 0 Wind Shear Max.Converg - - - - - - 4 - - 3 - - 1 Max.Converg CLOUDpotent - - - - - - 19 - - -616 - - -1072 CLOUDpotentl sfcLCL - - - - - - 3080 - - 3349 - - 2303 sfcLCL ODpotential - - - - - - -10942 - - -12194 - - -13966 ODpotential blCL - - - - - - 14041 - - 14927 - - 15197 blCL maxRH - - - - - - 77 - - 79 - - 70 maxRH CAPE - - - - - - 0 - - 0 - - 0 CAPE Temp@2m - - - - - - 28.8 - - 27.8 - - 18.3 Temp@2m DewPt@2m - - - - - - 19.6 - - 17.5 - - 12.8 DewPt@2m Temp@Bot - - - - - - 28.4 - - 28.0 - - 23.3 Temp@Bot DewPt@Bot - - - - - - 18.4 - - 16.4 - - 16.1 DewPt@bot Sfc.Heating - - - - - - 89 - - 7 - - -7 Sfc.Heating BL Depth - - - - - - 1899 - - 1533 - - 31 BL Depth EXPERIMENT - - - - - - 7 - - 15 - - 0 EXPERIMENT EXPERIMENT2 - - - - - - 2 - - 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] 96898 23 066 25 051 26 041 96898 89757 17 070 19 053 15 035 89757 84170 16 079 10 062 9 032 84170 79462 9 065 2 070 6 037 79462 75364 9 035 4 050 4 357 75364 71731 7 005 4 018 6 310 71731 68440 13 325 11 005 6 355 68440 65399 20 289 19 316 15 316 65399 62578 16 285 23 304 22 297 62578 59853 20 280 29 281 28 284 59853 57009 26 290 31 283 31 288 57009 54046 38 283 41 277 45 284 54046 51216 46 280 47 280 61 279 51216 48666 54 285 62 286 65 268 48666 46375 66 280 67 282 58 270 46375 44295 65 280 62 285 54 274 44295 42389 65 283 61 283 60 277 42389 40631 72 278 70 275 65 273 40631 39006 71 275 73 274 64 276 39006 37503 79 279 81 279 77 278 37503 36101 98 275 92 270 97 267 36101 34766 102 265 94 264 98 261 34766 33433 93 263 95 262 88 264 33433 32072 88 271 82 258 83 266 32072 30684 90 266 74 258 60 263 30684 29245 91 264 70 263 54 266 29245 27733 91 267 69 270 55 271 27733 26145 92 276 71 273 60 274 26145 24481 91 278 73 271 63 274 24481 22743 81 279 73 267 65 269 22743 20937 70 279 65 266 62 267 20937 19059 61 285 50 284 50 273 19059 17108 57 287 45 294 40 285 17108 15117 51 288 42 299 36 304 15117 13192 48 283 39 291 30 300 13192 11443 47 280 40 282 33 283 11443 9892 45 280 40 280 36 279 9892 8522 40 282 36 283 33 281 8522 7313 35 288 31 290 27 289 7313 6246 30 297 26 301 21 306 6246 5308 26 307 22 315 17 331 5308 4487 22 315 17 337 16 358 4487 3765 19 323 14 357 18 011 3765 3121 14*331 12*358 18 016 3121 2553 12*334 10*352 16 017 2553 2081 12 335 9 350 14 014 2081 1718 11 335 8 349 11 012 1718 1469 10 336 8 348 8 007 1469 1317 9 336 6 348 5*359 1317 1231 7 336 4 347 3*355 1231 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