DrJack's BLIPSPOT for: THU 09/17 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 = 12Z 0Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - 0653z - - 0953z - - 1000z - - 1332z Update Time FCST PERIOD - - - 9 hr - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - 64.9 - - 67.4 - - 65.3 - - 62.9 Temp@2m Sfc.Heating - - - 20 - - -5 - - -9 - - -2 Sfc.Heating BL Depth - - - 759 - - 1005 - - 269 - - 141 BL Depth Hcrit - - - 1217 - - 1217 - - 1217 - - 1217 Hcrit BL Top - - - 1959 - - 2205 - - 1469 - - 1341 BL Top Hgt.Variab. - - - 1218 - - 1805 - - 1748 - - 1070 Hgt.Variab. W* - - - 110 - - 64 - - 33 - - 14 W* B/S - - - 3 - - 1 - - 1 - - 1 B/S BL Wind - - - 7 - - 8 - - 5 - - 2 BL Wind Direction - - - 155 - - 159 - - 159 - - 115 Direction Wind Shear - - - 4 - - 6 - - 3 - - 2 Wind Shear Max.Converg - - - -3 - - -3 - - -3 - - -2 Max.Converg CLOUDpotent - - - -1065 - - -1048 - - -902 - - 108 CLOUDpotentl sfcLCL - - - 3024 - - 3253 - - 2371 - - 1233 sfcLCL ODpotential - - - -7366 - - -4923 - - -3223 - - -2180 ODpotential blCL - - - 9325 - - 7128 - - 4692 - - 3521 blCL maxRH - - - 100 - - 100 - - 100 - - 100 maxRH CAPE - - - 0 - - 0 - - 20 - - 60 CAPE Temp@2m - - - 64.9 - - 67.4 - - 65.3 - - 62.9 Temp@2m DewPt@2m - - - 56.1 - - 57.5 - - 59.1 - - 61.6 DewPt@2m Temp@Bot - - - 65.1 - - 68.2 - - 66.1 - - 63.5 Temp@Bot DewPt@Bot - - - 55.4 - - 56.8 - - 58.8 - - 61.5 DewPt@bot Sfc.Heating - - - 20 - - -5 - - -9 - - -2 Sfc.Heating BL Depth - - - 759 - - 1005 - - 269 - - 141 BL Depth EXPERIMENT - - - 101 - - 100 - - 102 - - 101 EXPERIMENT EXPERIMENT2 - - - 9 - - 10 - - 11 - - 12 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] 98899 20 051 23 069 11 075 17 048 98899 91522 19 069 12 032 14 035 16 028 91522 85828 14 044 4 098 12 351 15 000 85828 81091 7 026 6 017 7 027 9 358 81091 76982 8 333 5 301 8 329 10 327 76982 73324 13 254 9 288 10 295 12 313 73324 70000 10 240 15 264 17 269 18 279 70000 66942 14 266 16 247 18 253 18 264 66942 64112 21 263 18 254 24 276 26 278 64112 61399 25 263 28 261 31 264 26 261 61399 58596 29 262 33 255 35 267 29 270 58596 55707 39 259 45 254 52 265 43 272 55707 52973 49 256 52 251 63 255 59 267 52973 50540 55 257 63 259 70 255 74 255 50540 48382 62 258 69 257 73 255 75 248 48382 46413 70 256 73 255 72 256 70 258 46413 44592 76 252 77 253 79 261 83 270 44592 42898 76 254 79 251 86 256 91 268 42898 41312 80 256 83 249 92 247 101 256 41312 39826 79 253 86 244 95 242 108 247 39826 38424 77 248 84 243 90 241 101 252 38424 37070 77 248 81 249 87 242 98 262 37070 35695 75 251 81 250 85 247 103 263 35695 34265 68 254 79 254 84 253 107 260 34265 32779 64 252 78 258 82 259 104 262 32779 31230 61 248 71 257 74 261 95 264 31230 29607 58 245 66 256 67 258 88 264 29607 27909 57 244 64 254 62 258 77 259 27909 26134 55 246 60 257 60 255 70 252 26134 24283 52 252 57 256 62 256 63 248 24283 22363 43 257 49 256 59 260 55 253 22363 20371 34 245 41 255 51 265 47 258 20371 18294 33 241 40 250 44 265 40 256 18294 16176 32 248 41 249 38 249 33 252 16176 14138 29 254 36 256 37 246 29 247 14138 12282 25 256 28 250 32 251 29 245 12282 10633 20 256 24 241 26 253 27 249 10633 9171 17 249 23 236 21 263 21 255 9171 7873 17 240 20 234 17 271 12 244 7873 6721 14 239 17 231 14 271 9 246 6721 5701 10 244 12 230 10 259 7 249 5701 4804 7 242 10 228 7 239 6 246 4804 4013 4 220 10 217 7 219 5 233 4013 3307 5 191 11 192 9 199 5 211 3307 2683 10 165 11*169 12 178 7 183 2683 2164 10*159 10*163 12 167 10 157 2164 1767 8*156 9 159 10 162 9 142 1767 1494 7 155 8 157 9*160 6*131 1494 1328 6 155 6 156 7*159 4*122 1328 1233 4 155 4 153 4 158 2 106 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