DrJack's BLIPSPOT for: THU 04/30 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 - - 1331z Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 48.9 - - 47.1 - - 43.2 Temp@2m Sfc.Heating - - - - - - 10 - - 6 - - -1 Sfc.Heating BL Depth - - - - - - 829 - - 1176 - - 1465 BL Depth Hcrit - - - - - - 1216 - - 1216 - - 1216 Hcrit BL Top - - - - - - 2029 - - 2376 - - 2665 BL Top Hgt.Variab. - - - - - - 1909 - - 1930 - - 2003 Hgt.Variab. W* - - - - - - 86 - - 87 - - 61 W* B/S - - - - - - 4 - - 1 - - 1 B/S BL Wind - - - - - - 4 - - 12 - - 15 BL Wind Direction - - - - - - 274 - - 323 - - 299 Direction Wind Shear - - - - - - 2 - - 8 - - 12 Wind Shear Max.Converg - - - - - - 6 - - 7 - - 8 Max.Converg CLOUDpotent - - - - - - 714 - - 738 - - 816 CLOUDpotentl sfcLCL - - - - - - 1315 - - 1638 - - 1849 sfcLCL ODpotential - - - - - - 274 - - 246 - - 232 ODpotential blCL - - - - - - 1755 - - 2130 - - 2433 blCL maxRH - - - - - - 100 - - 101 - - 100 maxRH CAPE - - - - - - 20 - - 10 - - 0 CAPE Temp@2m - - - - - - 48.9 - - 47.1 - - 43.2 Temp@2m DewPt@2m - - - - - - 47.1 - - 44.0 - - 39.3 DewPt@2m Temp@Bot - - - - - - 49.1 - - 47.2 - - 43.5 Temp@Bot DewPt@Bot - - - - - - 46.8 - - 43.6 - - 38.9 DewPt@bot Sfc.Heating - - - - - - 10 - - 6 - - -1 Sfc.Heating BL Depth - - - - - - 829 - - 1176 - - 1465 BL Depth EXPERIMENT - - - - - - 101 - - 102 - - 101 EXPERIMENT EXPERIMENT2 - - - - - - 7 - - 6 - - 5 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] 97384 16 129 9 217 6 351 97384 90021 8 144 2 203 2 150 90021 84379 4 143 3 087 7 143 84379 79717 6 124 5 047 6 090 79717 75703 6 099 2 129 5 094 75703 72141 2 115 8 124 5 148 72141 68904 6 140 7 121 5 164 68904 65905 7 158 7 166 6 183 65905 63103 8 166 8 156 7 189 63103 60371 11 189 9 185 8 167 60371 57486 19 198 9 181 8 229 57486 54463 20 187 17 197 19 224 54463 51574 20 195 20 194 21 214 51574 48976 18 201 18 220 21 197 48976 46646 23 220 22 224 16 206 46646 44532 27 216 26 230 19 234 44532 42604 28 216 29 223 26 235 42604 40838 32 215 33 221 33 230 40838 39212 37 207 42 219 38 222 39212 37708 39 201 44 212 39 216 37708 36312 40 197 40 204 42 211 36312 34981 36 196 38 199 46 203 34981 33643 36 197 38 195 47 198 33643 32266 38 197 39 191 44 194 32266 30850 39 197 41 190 42 193 30850 29380 39 196 43 190 40 192 29380 27845 40 191 46 190 39 191 27845 26246 42 182 45 189 37 193 26246 24580 43 179 42 188 35 194 24580 22848 44 180 38 186 33 192 22848 21045 41 177 34 180 33 190 21045 19168 36 169 34 172 32 190 19168 17215 38 162 34 171 29 186 17215 15234 38 167 29 180 24 186 15234 13332 35 175 18 195 18 194 13332 11603 30 183 11 199 12 219 11603 10061 26 188 9 218 8 235 10061 8689 15 196 7 233 8 251 8689 7469 10 205 5 242 9 238 7469 6389 6 210 4 261 12 246 6389 5436 5 235 4 314 15 273 5436 4597 5 250 8 319 18 293 4597 3857 5 266 13 322 20 298 3857 3193 5 269 14 324 20*298 3193 2607 5 272 15*323 19*299 2607 2117 5*274 14*323 17 299 2117 1740 4*274 14 323 16 299 1740 1481 4 276 12 323 13 300 1481 1322 3 273 10 323 11 299 1322 1232 3 272 6 322 7 299 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