DrJack's BLIPSPOT for: WED 09/02 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 - - 1002z - - 1334z Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 67.8 - - 71.0 - - 64.4 Temp@2m Sfc.Heating - - - - - - 141 - - 22 - - -21 Sfc.Heating BL Depth - - - - - - 2275 - - 2562 - - 34 BL Depth Hcrit - - - - - - 2297 - - 1217 - - 1217 Hcrit BL Top - - - - - - 3475 - - 3762 - - 1234 BL Top Hgt.Variab. - - - - - - 1086 - - 1183 - - 2784 Hgt.Variab. W* - - - - - - 286 - - 178 - - 16 W* B/S - - - - - - 3 - - 2 - - 1 B/S BL Wind - - - - - - 18 - - 20 - - 6 BL Wind Direction - - - - - - 154 - - 154 - - 155 Direction Wind Shear - - - - - - 10 - - 14 - - 0 Wind Shear Max.Converg - - - - - - -9 - - -7 - - -4 Max.Converg CLOUDpotent - - - - - - 168 - - -274 - - -708 CLOUDpotentl sfcLCL - - - - - - 3307 - - 4036 - - 1942 sfcLCL ODpotential - - - - - - -5231 - - -4604 - - -1787 ODpotential blCL - - - - - - 8706 - - 8366 - - 3021 blCL maxRH - - - - - - 94 - - 100 - - 100 maxRH CAPE - - - - - - 0 - - 10 - - 90 CAPE Temp@2m - - - - - - 67.8 - - 71.0 - - 64.4 Temp@2m DewPt@2m - - - - - - 57.6 - - 57.5 - - 60.0 DewPt@2m Temp@Bot - - - - - - 67.3 - - 71.5 - - 65.7 Temp@Bot DewPt@Bot - - - - - - 56.9 - - 56.8 - - 59.7 DewPt@bot Sfc.Heating - - - - - - 141 - - 22 - - -21 Sfc.Heating BL Depth - - - - - - 2275 - - 2562 - - 34 BL Depth EXPERIMENT - - - - - - 76 - - 100 - - 101 EXPERIMENT EXPERIMENT2 - - - - - - 10 - - 10 - - 11 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] 99040 5 163 8 199 8 279 99040 91616 8 174 3 033 1 243 91616 85876 6 171 6 322 1 342 85876 81094 2 152 7 244 5 236 81094 76958 1 333 8 261 5 282 76958 73296 7 337 6 291 7 338 73296 70000 11 334 8 305 10 348 70000 66985 10 309 9 294 11 342 66985 64180 6 272 10 293 11 322 64180 61453 8 329 12 296 17 299 61453 58618 16 314 14 300 17 291 58618 55680 24 297 21 298 23 296 55680 52883 35 294 28 289 27 280 52883 50384 44 286 34 301 27 291 50384 48161 55 281 56 295 42 298 48161 46168 59 278 68 286 63 284 46168 44361 54 285 68 285 65 268 44361 42697 66 304 78 288 62 271 42697 41139 73 296 80 285 66 277 41139 39672 70 287 77 286 72 276 39672 38286 70 286 75 286 70 274 38286 36944 71 287 70 282 64 272 36944 35576 71 289 66 279 58 273 35576 34153 72 290 65 280 53 276 34153 32680 73 290 64 282 51 279 32680 31140 72 289 61 286 49 282 31140 29520 68 286 60 286 50 284 29520 27821 63 279 59 288 51 283 27821 26042 59 269 56 288 51 280 26042 24185 51 262 50 284 49 277 24185 22257 42 277 47 281 47 274 22257 20254 32 286 44 277 43 271 20254 18174 26 288 38 260 39 265 18174 16061 22 291 25 248 38 260 16061 14038 22 289 26 255 33 245 14038 12208 24 284 26 254 23 234 12208 10582 22 282 23 248 20 247 10582 9134 15 291 21 238 19 249 9134 7843 10 269 20 234 16 247 7843 6695 11 234 18 228 17 234 6695 5680 14 213 17 210 23 212 5680 4789 16 195 19 178 29 191 4789 4004 19*170 22*158 31 174 4004 3303 20*156 22*156 30 168 3303 2684 20 155 22 155 27 163 2684 2166 19 153 21 154 24 160 2166 1769 19 153 20 153 20 159 1769 1495 17 152 17 152 15 157 1495 1329 15 151 14 152 12*157 1329 1234 10 150 9 151 6*155 1234 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