DrJack's BLIPSPOT for: WED 02/18 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 - - - - - - 53.9 - - 53.0 - - 52.0 Temp@2m Sfc.Heating - - - - - - 81 - - 24 - - -11 Sfc.Heating BL Depth - - - - - - 258 - - 258 - - 258 BL Depth Hcrit - - - - - - 2799 - - 2799 - - 2799 Hcrit BL Top - - - - - - 2816 - - 2816 - - 2816 BL Top Hgt.Variab. - - - - - - 2299 - - 2006 - - 1436 Hgt.Variab. W* - - - - - - 115 - - 77 - - 12 W* B/S - - - - - - 2 - - 1 - - 0 B/S BL Wind - - - - - - 12 - - 10 - - 6 BL Wind Direction - - - - - - 243 - - 236 - - 230 Direction Wind Shear - - - - - - 0 - - 0 - - 0 Wind Shear Max.Converg - - - - - - -1 - - 0 - - 0 Max.Converg CLOUDpotent - - - - - - -532 - - -72 - - 0 CLOUDpotentl sfcLCL - - - - - - 3348 - - 2888 - - 2816 sfcLCL ODpotential - - - - - - -1153 - - -893 - - -651 ODpotential blCL - - - - - - 3969 - - 3709 - - 3467 blCL maxRH - - - - - - 100 - - 100 - - 100 maxRH CAPE - - - - - - 10 - - 40 - - 50 CAPE Temp@2m - - - - - - 53.9 - - 53.0 - - 52.0 Temp@2m DewPt@2m - - - - - - 48.7 - - 49.7 - - 51.3 DewPt@2m Temp@Bot - - - - - - 53.0 - - 52.5 - - 52.2 Temp@Bot DewPt@Bot - - - - - - 48.5 - - 49.6 - - 51.3 DewPt@bot Sfc.Heating - - - - - - 81 - - 24 - - -11 Sfc.Heating BL Depth - - - - - - 258 - - 258 - - 258 BL Depth EXPERIMENT - - - - - - 101 - - 101 - - 102 EXPERIMENT EXPERIMENT2 - - - - - - 8 - - 8 - - 9 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] 96644 30 069 28 077 27 072 96644 89505 26 075 21 083 21 064 89505 83973 17 080 15 082 16 050 83973 79361 11 099 7 072 11 033 79361 75364 3 066 4 300 10 000 75364 71819 4 133 9 230 7 304 71819 68598 5 296 8 273 10 276 68598 65645 12 282 16 280 16 264 65645 62923 16 260 17 285 19 272 62923 60292 31 277 33 290 31 274 60292 57557 46 280 41 288 35 273 57557 54716 57 279 61 280 59 273 54716 52000 70 263 71 256 69 258 52000 49549 65 265 66 256 72 253 49549 47334 74 276 73 266 75 258 47334 45327 92 274 86 269 92 268 45327 43506 96 271 101 269 106 270 43506 41834 108 271 112 268 121 267 41834 40283 127 272 122 269 127 260 40283 38835 126 270 126 270 126 259 38835 37475 118 269 125 269 127 261 37475 36164 115 267 121 267 125 261 36164 34837 110 265 118 265 123 260 34837 33465 106 264 116 264 123 260 33465 32050 102 261 115 263 121 259 32050 30579 100 258 111 262 119 259 30579 29043 99 257 104 262 116 258 29043 27445 99 259 99 261 112 259 27445 25786 97 260 97 259 103 259 25786 24069 92 259 96 255 91 256 24069 22300 85 255 92 253 86 253 22300 20469 81 252 87 253 83 257 20469 18569 79 251 84 258 76 261 18569 16640 74 252 78 260 69 268 16640 14790 69 253 69 261 66 263 14790 13109 61 251 63 263 48 260 13109 11613 52 247 57 260 40 260 11613 10278 44 242 47 251 37 255 10278 9084 38 245 38 248 34 253 9084 8018 34 264 32 257 32 257 8018 7068 34 273 32 263 31 262 7068 6227 34 268 33 257 33 259 6227 5480 33 254 33 246 34 251 5480 4810 32 245 32 239 33 246 4810 4216 30 243 29 237 29 241 4216 3718 27 242 24 235 24 237 3718 3334 24 242 21 235 18 234 3334 3069 21 242 18 235 14 232 3069 2908 18*243 15*235 11*231 2908 2816 12*243 10*236 6*230 2816 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