DrJack's BLIPSPOT for: THU 04/30 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 - - - - - - 0659z - - 1002z - - 1331z Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 52.5 - - 52.9 - - 48.1 Temp@2m Sfc.Heating - - - - - - 323 - - 228 - - -9 Sfc.Heating BL Depth - - - - - - 4449 - - 4548 - - 257 BL Depth Hcrit - - - - - - 5628 - - 5552 - - 2799 Hcrit BL Top - - - - - - 7007 - - 7106 - - 2815 BL Top Hgt.Variab. - - - - - - 1229 - - 1357 - - 3914 Hgt.Variab. W* - - - - - - 473 - - 423 - - 34 W* B/S - - - - - - 5 - - 5 - - 1 B/S BL Wind - - - - - - 17 - - 16 - - 6 BL Wind Direction - - - - - - 291 - - 308 - - 318 Direction Wind Shear - - - - - - 9 - - 6 - - 0 Wind Shear Max.Converg - - - - - - -9 - - -7 - - -2 Max.Converg CLOUDpotent - - - - - - 1224 - - 497 - - -2800 CLOUDpotentl sfcLCL - - - - - - 5783 - - 6610 - - 5615 sfcLCL ODpotential - - - - - - -369 - - -4344 - - -6474 ODpotential blCL - - - - - - 7376 - - 11450 - - 9289 blCL maxRH - - - - - - 79 - - 76 - - 75 maxRH CAPE - - - - - - 0 - - 0 - - 0 CAPE Temp@2m - - - - - - 52.5 - - 52.9 - - 48.1 Temp@2m DewPt@2m - - - - - - 36.9 - - 33.6 - - 33.4 DewPt@2m Temp@Bot - - - - - - 50.5 - - 51.2 - - 48.0 Temp@Bot DewPt@Bot - - - - - - 35.7 - - 32.6 - - 32.9 DewPt@bot Sfc.Heating - - - - - - 323 - - 228 - - -9 Sfc.Heating BL Depth - - - - - - 4449 - - 4548 - - 257 BL Depth EXPERIMENT - - - - - - 16 - - 4 - - 0 EXPERIMENT EXPERIMENT2 - - - - - - 4 - - 4 - - 4 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] 97480 29 261 29 275 26 297 97480 90024 20 249 24 262 25 276 90024 84349 13 243 19 241 19 253 84349 79674 9 259 6 224 7 239 79674 75645 3 232 2 260 4 251 75645 72082 3 095 1 176 10 268 72082 68866 3 292 3 343 6 256 68866 65892 7 227 6 228 8 274 65892 63118 10 189 8 222 14 223 63118 60425 10 216 16 253 17 260 60425 57597 27 275 32 263 33 272 57597 54646 49 258 44 257 43 259 54646 51826 52 252 44 258 47 267 51826 49293 50 256 52 274 61 264 49293 47043 63 269 65 265 67 267 47043 45015 72 267 70 263 80 268 45015 43159 77 266 83 265 84 267 43159 41447 79 268 91 268 94 274 41447 39866 87 273 104 272 113 273 39866 38401 99 275 111 273 121 273 38401 37032 106 274 111 272 121 272 37032 35717 108 273 111 272 119 272 35717 34387 105 272 111 272 118 273 34387 33015 98 272 109 273 115 274 33015 31608 89 269 106 270 109 272 31608 30152 85 266 105 269 105 268 30152 28638 85 264 98 270 100 268 28638 27065 84 258 93 273 100 273 27065 25433 82 264 85 274 86 276 25433 23745 71 267 72 271 71 273 23745 22003 61 265 63 268 60 268 22003 20201 54 266 58 267 55 266 20201 18329 54 266 58 268 54 265 18329 16420 54 270 55 269 60 269 16420 14579 47 265 48 268 57 273 14579 12908 44 259 43 266 48 275 12908 11428 41 263 36 268 37 278 11428 10114 38 270 28 275 29 286 10114 8944 32 273 20 280 27 297 8944 7901 20*278 15*299 22 299 7901 6975 19*284 15*303 15 301 6975 6157 18 288 16 306 13 310 6157 5431 18 291 16 308 14 315 5431 4776 18 292 16 309 14 317 4776 4193 18 294 16 310 14 319 4193 3704 17 294 16 310 13 320 3704 3326 16 294 15 310 13 320 3326 3065 16 295 14 310 11 320 3065 2907 14 295 13 310 9 320 2907 2815 10 294 10 310 6*318 2815 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