DrJack's BLIPSPOT for: WED 04/23 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 - - 0955z - - 1000z - - 1332z Update Time FCST PERIOD - - - 9 hr - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - 48.3 - - 54.5 - - 54.9 - - 47.5 Temp@2m Sfc.Heating - - - 283 - - 381 - - 178 - - -21 Sfc.Heating BL Depth - - - 3023 - - 4582 - - 4509 - - 32 BL Depth Hcrit - - - 3109 - - 4408 - - 4010 - - 1216 Hcrit BL Top - - - 4223 - - 5782 - - 5709 - - 1232 BL Top Hgt.Variab. - - - 949 - - 1102 - - 1477 - - 3765 Hgt.Variab. W* - - - 390 - - 492 - - 381 - - 12 W* B/S - - - 5 - - 5 - - 4 - - 0 B/S BL Wind - - - 14 - - 18 - - 17 - - 4 BL Wind Direction - - - 277 - - 282 - - 291 - - 314 Direction Wind Shear - - - 8 - - 10 - - 10 - - 0 Wind Shear Max.Converg - - - 3 - - 7 - - 4 - - 2 Max.Converg CLOUDpotent - - - -506 - - -718 - - -667 - - -2960 CLOUDpotentl sfcLCL - - - 4729 - - 6500 - - 6376 - - 4192 sfcLCL ODpotential - - - -7804 - - -7802 - - -6698 - - -6055 ODpotential blCL - - - 12027 - - 13584 - - 12407 - - 7287 blCL maxRH - - - 74 - - 73 - - 73 - - 77 maxRH CAPE - - - 0 - - 0 - - 0 - - 0 CAPE Temp@2m - - - 48.3 - - 54.5 - - 54.9 - - 47.5 Temp@2m DewPt@2m - - - 32.1 - - 30.4 - - 31.4 - - 33.9 DewPt@2m Temp@Bot - - - 47.1 - - 53.0 - - 54.2 - - 49.0 Temp@Bot DewPt@Bot - - - 30.9 - - 29.3 - - 30.6 - - 33.5 DewPt@bot Sfc.Heating - - - 283 - - 381 - - 178 - - -21 Sfc.Heating BL Depth - - - 3023 - - 4582 - - 4509 - - 32 BL Depth EXPERIMENT - - - 0 - - 0 - - 0 - - 8 EXPERIMENT EXPERIMENT2 - - - 3 - - 3 - - 3 - - 4 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] 97691 9 095 9 151 3 216 4 145 97691 90347 9 112 8 120 1 100 3 076 90347 84653 15 104 12 101 5 159 7 017 84653 79888 9 088 10 087 8 122 2 144 79888 75776 9 098 6 121 5 146 4 110 75776 72132 10 111 6 134 3 176 6 076 72132 68822 4 105 6 157 3 215 2 118 68822 65779 5 201 7 144 8 185 3 173 65779 62950 5 181 2 205 8 192 7 182 62950 60209 9 188 13 166 10 181 10 207 60209 57354 7 171 15 195 9 211 13 222 57354 54396 22 214 23 224 18 238 18 258 54396 51584 16 204 25 237 25 250 24 248 51584 49062 21 245 29 251 31 268 27 261 49062 46809 31 246 37 257 37 269 36 259 46809 44772 35 248 48 250 44 253 30 254 44772 42914 43 246 53 242 47 255 37 263 42914 41212 52 239 56 246 59 251 47 267 41212 39647 58 238 65 248 64 249 59 260 39647 38207 69 245 77 248 67 250 68 259 38207 36873 82 248 76 244 66 249 71 252 36873 35587 88 246 65 247 60 249 64 247 35587 34277 85 244 63 265 55 258 53 263 34277 32920 82 248 70 272 58 267 59 276 32920 31518 82 252 76 273 63 272 68 277 31518 30054 82 254 81 273 67 272 72 271 30054 28512 85 254 83 274 71 272 75 269 28512 26889 85 254 81 275 72 271 75 274 26889 25188 76 256 74 275 69 271 71 280 25188 23411 69 258 68 272 66 274 70 279 23411 21562 64 259 62 268 64 276 66 276 21562 19634 62 257 57 265 61 273 59 275 19634 17619 62 259 53 267 59 269 57 274 17619 15563 59 265 50 271 57 271 58 277 15563 13583 54 272 50 276 53 278 51 287 13583 11789 46 275 48 279 50 285 44 295 11789 10204 41 277 45 283 46 288 38 300 10204 8805 41 280 43 287 40 289 34 300 8805 7566 41 284 37 287 32 283 31 290 7566 6468 37 288 27*281 24*279 28 276 6468 5498 30 287 19*279 19*285 26 273 5498 4646 21*281 19 280 18 286 22 283 4646 3894 16*276 19 281 18 289 20 299 3894 3221 16 276 19 283 18 292 19 309 3221 2626 15 276 18 284 18 293 18 313 2626 2128 15 277 18 285 17 294 17 314 2128 1746 14 277 16 285 16 295 15 315 1746 1483 12 277 15 286 15 295 12 315 1483 1324 11 277 13 286 13 296 9 315 1324 1232 8 278 10 287 9 296 4*314 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