DrJack's BLIPSPOT for: SUN 09/20 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 = 12Z 0Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - - - - 0953z - - 1001z - - 1333z Update Time FCST PERIOD - - - - - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 78.6 - - 77.9 - - 72.0 Temp@2m Sfc.Heating - - - - - - 185 - - 28 - - -7 Sfc.Heating BL Depth - - - - - - 2921 - - 260 - - 260 BL Depth Hcrit - - - - - - 4266 - - 2801 - - 2801 Hcrit BL Top - - - - - - 5479 - - 2818 - - 2818 BL Top Hgt.Variab. - - - - - - 3105 - - 6270 - - 1505 Hgt.Variab. W* - - - - - - 346 - - 87 - - 15 W* B/S - - - - - - 7 - - 3 - - 1 B/S BL Wind - - - - - - 9 - - 5 - - 3 BL Wind Direction - - - - - - 255 - - 264 - - 262 Direction Wind Shear - - - - - - 3 - - 0 - - 0 Wind Shear Max.Converg - - - - - - -5 - - -1 - - -1 Max.Converg CLOUDpotent - - - - - - 129 - - -2461 - - -451 CLOUDpotentl sfcLCL - - - - - - 5350 - - 5279 - - 3269 sfcLCL ODpotential - - - - - - -1135 - - -3835 - - -3312 ODpotential blCL - - - - - - 6614 - - 6653 - - 6130 blCL maxRH - - - - - - 88 - - 93 - - 83 maxRH CAPE - - - - - - 1440 - - 1450 - - 1930 CAPE Temp@2m - - - - - - 78.6 - - 77.9 - - 72.0 Temp@2m DewPt@2m - - - - - - 64.4 - - 64.0 - - 66.8 DewPt@2m Temp@Bot - - - - - - 76.8 - - 77.4 - - 73.4 Temp@Bot DewPt@Bot - - - - - - 63.4 - - 63.4 - - 66.6 DewPt@bot Sfc.Heating - - - - - - 185 - - 28 - - -7 Sfc.Heating BL Depth - - - - - - 2921 - - 260 - - 260 BL Depth EXPERIMENT - - - - - - 51 - - 71 - - 30 EXPERIMENT EXPERIMENT2 - - - - - - 13 - - 14 - - 15 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] 98243 8 172 8 270 4 192 98243 90876 8 101 3 118 2 332 90876 85179 8 052 6 121 6 010 85179 80433 5 029 3 153 5 038 80433 76371 3 062 3 257 4 350 76371 72804 5 127 8 300 9 307 72804 69576 4 316 10 316 7 302 69576 66605 11 307 3 292 8 328 66605 63850 4 272 2 159 3 289 63850 61195 4 181 4 310 4 217 61195 58456 4 195 8 287 6 266 58456 55640 9 274 8 265 9 273 55640 52970 16 256 13 258 13 261 52970 50580 18 235 18 241 16 248 50580 48436 14 237 18 241 16 250 48436 46482 12 250 16 245 16 259 46482 44680 11 256 16 244 17 259 44680 43004 14 251 22 250 21 241 43004 41435 22 247 30 261 22 241 41435 39963 27 245 32 256 29 251 39963 38578 28 249 30 251 31 244 38578 37237 28 251 28 243 28 235 37237 35875 26 246 28 240 27 230 35875 34464 25 251 28 246 25 238 34464 33008 22 261 25 250 20 246 33008 31496 18 242 19 241 14 254 31496 29916 20 237 16 233 15 246 29916 28273 15 273 3 000 3 261 28273 26572 12 310 9 325 5 021 26572 24809 9 304 10 308 6 297 24809 22982 8 302 13 300 16 295 22982 21090 7 312 19 300 19 307 21090 19132 10 267 22 308 22 316 19132 17147 14 272 23 308 23 315 17147 15235 17 277 17 293 19 310 15235 13495 16 282 13 275 16 285 13495 11948 15 295 13 276 17 281 11948 10572 14 306 13 284 14 296 10572 9342 13 304 11 288 10 305 9342 8243 12 290 11 288 7 304 8243 7262 11 279 11 285 6 296 7262 6389 10 270 10 279 5 284 6389 5613 9*264 9 273 5 279 5613 4913 9*259 9 269 6 271 4913 4289 9 257 8 268 7 262 4289 3767 9 255 8 267 8 259 3767 3363 9 254 8 266 7 259 3363 3085 8 253 7 266 7 260 3085 2915 8 252 6*265 5*261 2915 2818 6 252 5*264 3*262 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