DrJack's BLIPSPOT for: FRI 04/03 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 - - - - - - 72.5 - - 74.9 - - - Temp@2m Sfc.Heating - - - - - - 196 - - 126 - - - Sfc.Heating BL Depth - - - - - - 4306 - - 259 - - - BL Depth Hcrit - - - - - - 5293 - - 2801 - - - Hcrit BL Top - - - - - - 6864 - - 2817 - - - BL Top Hgt.Variab. - - - - - - 3157 - - 8769 - - - Hgt.Variab. W* - - - - - - 394 - - 134 - - - W* B/S - - - - - - 6 - - 4 - - - B/S BL Wind - - - - - - 12 - - 6 - - - BL Wind Direction - - - - - - 241 - - 234 - - - Direction Wind Shear - - - - - - 5 - - 0 - - - Wind Shear Max.Converg - - - - - - -8 - - 1 - - - Max.Converg CLOUDpotent - - - - - - -180 - - -5130 - - - CLOUDpotentl sfcLCL - - - - - - 7044 - - 7947 - - - sfcLCL ODpotential - - - - - - -1084 - - -5748 - - - ODpotential blCL - - - - - - 7948 - - 8565 - - - blCL maxRH - - - - - - 98 - - 92 - - - maxRH CAPE - - - - - - 180 - - 200 - - - CAPE Temp@2m - - - - - - 72.5 - - 74.9 - - - Temp@2m DewPt@2m - - - - - - 51.5 - - 49.9 - - - DewPt@2m Temp@Bot - - - - - - 70.7 - - 73.4 - - - Temp@Bot DewPt@Bot - - - - - - 50.8 - - 49.3 - - - DewPt@bot Sfc.Heating - - - - - - 196 - - 126 - - - Sfc.Heating BL Depth - - - - - - 4306 - - 259 - - - BL Depth EXPERIMENT - - - - - - 92 - - 70 - - - EXPERIMENT EXPERIMENT2 - - - - - - 8 - - 8 - - - 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] 97030 38 248 42 262 97030 89717 36 264 36 262 89717 84066 23 265 25 262 84066 79423 16 280 18 265 79423 75458 14 289 15 287 75458 71965 8 324 13 313 71965 68809 8 353 13 328 68809 65904 10 342 11 339 65904 63188 11 298 14 338 63188 60540 9 292 20 321 60540 57773 15 290 21 305 57773 54908 13 275 14 276 54908 52187 14 279 14 267 52187 49754 20 278 19 272 49754 47601 30 251 31 262 47601 45689 26 224 29 236 45689 43956 19 230 26 218 43956 42347 22 241 22 216 42347 40834 23 228 22 223 40834 39403 23 217 22 223 39403 38047 25 205 24 226 38047 36732 25 196 25 232 36732 35396 26 207 24 241 35396 34013 23 227 21 242 34013 32588 16 229 16 236 32588 31108 13 230 13 237 31108 29560 14 226 14 246 29560 27947 17 219 16 247 27947 26270 18 226 17 230 26270 24532 18 239 18 223 24532 22737 19 252 18 237 22737 20876 20 247 16 256 20876 18942 22 236 15 265 18942 16972 24 229 16 257 16972 15075 19 224 17 246 15075 13359 13 229 13 231 13359 11837 11 235 11 236 11837 10479 11 229 10 241 10479 9263 12 229 10 240 9263 8176 12 231 10 239 8176 7205 12*233 10 239 7205 6343 12*236 10 238 6343 5576 12 238 9 238 5576 4885 12 240 9 238 4885 4270 12 241 9 237 4270 3754 12 243 9 236 3754 3356 11 244 8 236 3356 3081 11 244 8 235 3081 2913 10 244 7 234 2913 2817 8 244 6*234 2817 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