DrJack's BLIPSPOT for: FRI 08/28 Atkins_VA 2558ft pt29724@36.958,-81.342,2720ft SPONSORED BY: Randy Newberry BLIPSPOT sfc.temp. adjusted by -0.5 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 - - - - - - 77.1 - - 78.1 - - - Temp@2m Sfc.Heating - - - - - - 151 - - 70 - - - Sfc.Heating BL Depth - - - - - - 4155 - - 260 - - - BL Depth Hcrit - - - - - - 5102 - - 2801 - - - Hcrit BL Top - - - - - - 6713 - - 2818 - - - BL Top Hgt.Variab. - - - - - - 3293 - - 7450 - - - Hgt.Variab. W* - - - - - - 370 - - 118 - - - W* B/S - - - - - - 13 - - 6 - - - B/S BL Wind - - - - - - 5 - - 4 - - - BL Wind Direction - - - - - - 317 - - 305 - - - Direction Wind Shear - - - - - - 2 - - 0 - - - Wind Shear Max.Converg - - - - - - 5 - - -1 - - - Max.Converg CLOUDpotent - - - - - - 604 - - -3610 - - - CLOUDpotentl sfcLCL - - - - - - 6109 - - 6428 - - - sfcLCL ODpotential - - - - - - -745 - - -4359 - - - ODpotential blCL - - - - - - 7458 - - 7177 - - - blCL maxRH - - - - - - 77 - - 83 - - - maxRH CAPE - - - - - - 940 - - 1040 - - - CAPE Temp@2m - - - - - - 77.1 - - 78.1 - - - Temp@2m DewPt@2m - - - - - - 59.8 - - 59.5 - - - DewPt@2m Temp@Bot - - - - - - 75.5 - - 77.0 - - - Temp@Bot DewPt@Bot - - - - - - 58.7 - - 58.4 - - - DewPt@bot Sfc.Heating - - - - - - 151 - - 70 - - - Sfc.Heating BL Depth - - - - - - 4155 - - 260 - - - BL Depth EXPERIMENT - - - - - - 7 - - 32 - - - EXPERIMENT EXPERIMENT2 - - - - - - 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] 99043 25 098 17 083 99043 91588 29 094 21 092 91588 85843 25 090 22 093 85843 81080 21 077 20 100 81080 76977 10 086 19 089 76977 73349 10 122 13 065 73349 70067 11 130 7 096 70067 67053 9 131 5 106 67053 64257 5 181 6 201 64257 61545 5 207 9 218 61545 58720 9 260 12 234 58720 55806 23 248 23 252 55806 53046 26 241 31 243 53046 50577 37 245 36 244 50577 48382 42 251 44 241 48382 46400 36 253 37 234 46400 44570 40 258 30 255 44570 42864 50 265 43 263 42864 41273 47 237 58 255 41273 39779 62 228 68 238 39779 38373 67 225 74 230 38373 37025 73 221 68 227 37025 35667 72 222 53 232 35667 34266 68 227 43 231 34266 32824 57 229 47 230 32824 31328 51 231 47 234 31328 29772 47 231 41 239 29772 28152 43 234 38 239 28152 26463 39 237 38 238 26463 24709 35 239 36 246 24709 22895 34 243 26 265 22895 21017 28 254 19 283 21017 19070 21 261 18 290 19070 17095 15 274 13 283 17095 15195 13 290 10 268 15195 13467 12 278 11 253 13467 11929 12 255 11 254 11929 10557 11 258 8 266 10557 9329 8 274 5 317 9329 8232 6 307 5 325 8232 7253 5*318 5 328 7253 6383 5*321 5 324 6383 5607 5 320 6 321 5607 4909 5 318 6 317 4909 4287 5 317 6 314 4287 3765 5 316 6 311 3765 3362 5 313 5 308 3362 3084 5 313 5 307 3084 2915 4 311 5*307 2915 2818 4 311 4*305 2818 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