DrJack's BLIPSPOT for: TUE 04/21 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 = 09Z 21Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - - - - 0659z - - 1002z - - - Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - - FCST PERIOD Temp@2m - - - - - - 39.5 - - 40.8 - - - Temp@2m Sfc.Heating - - - - - - 271 - - 96 - - - Sfc.Heating BL Depth - - - - - - 5447 - - 5103 - - - BL Depth Hcrit - - - - - - 4953 - - 4081 - - - Hcrit BL Top - - - - - - 6647 - - 6303 - - - BL Top Hgt.Variab. - - - - - - 1158 - - 1149 - - - Hgt.Variab. W* - - - - - - 471 - - 331 - - - W* B/S - - - - - - 16 - - 9 - - - B/S BL Wind - - - - - - 5 - - 7 - - - BL Wind Direction - - - - - - 235 - - 207 - - - Direction Wind Shear - - - - - - 3 - - 4 - - - Wind Shear Max.Converg - - - - - - -1 - - -3 - - - Max.Converg CLOUDpotent - - - - - - 905 - - 1112 - - - CLOUDpotentl sfcLCL - - - - - - 5742 - - 5191 - - - sfcLCL ODpotential - - - - - - -269 - - 17 - - - ODpotential blCL - - - - - - 6916 - - 6286 - - - blCL maxRH - - - - - - 78 - - 85 - - - maxRH CAPE - - - - - - 0 - - 0 - - - CAPE Temp@2m - - - - - - 39.5 - - 40.8 - - - Temp@2m DewPt@2m - - - - - - 18.8 - - 22.6 - - - DewPt@2m Temp@Bot - - - - - - 38.2 - - 40.3 - - - Temp@Bot DewPt@Bot - - - - - - 17.7 - - 21.5 - - - DewPt@bot Sfc.Heating - - - - - - 271 - - 96 - - - Sfc.Heating BL Depth - - - - - - 5447 - - 5103 - - - BL Depth EXPERIMENT - - - - - - 11 - - 39 - - - EXPERIMENT EXPERIMENT2 - - - - - - 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] 97358 15 203 22 247 97358 89955 20 234 18 248 89955 84306 21 231 15 246 84306 79639 21 211 22 226 79639 75626 17 201 19 201 75626 72045 16 207 16 163 72045 68753 17 174 16 172 68753 65703 22 148 15 176 65703 62861 7 215 10 213 62861 60099 8 196 12 202 60099 57203 5 297 5 262 57203 54197 23 257 21 286 54197 51343 22 261 26 284 51343 48779 27 280 32 280 48779 46481 29 284 30 272 46481 44395 31 296 24 278 44395 42496 40 304 35 302 42496 40763 45 298 44 306 40763 39164 48 297 56 304 39164 37678 50 300 65 304 37678 36293 52 306 71 308 36293 34969 57 311 79 314 34969 33636 63 313 89 318 33636 32261 69 315 95 316 32261 30844 73 316 97 313 30844 29369 76 316 98 311 29369 27825 76 315 97 311 27825 26212 73 313 94 310 26212 24529 70 313 87 309 24529 22777 65 312 81 307 22777 20960 54 310 72 307 20960 19072 42 303 61 306 19072 17111 38 296 54 306 17111 15118 36 300 45 308 15118 13209 36 306 38 307 13209 11481 29 299 29 307 11481 9948 22 294 23 307 9948 8588 18 287 20 289 8588 7387 8*257 13 260 7387 6329 6*236 8*218 6329 5392 6 234 8*211 5392 4564 6 234 8 209 4564 3832 6 234 7 208 3832 3175 5 235 7 207 3175 2594 5 236 7 205 2594 2108 5 238 6 205 2108 1735 5 238 6 205 1735 1478 4 239 6 204 1478 1321 4 239 5 204 1321 1232 3 240 4 204 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