DrJack's BLIPSPOT for: TUE 08/04 Ames_IA 955ft pt37194@41.911,-93.594,951ft SPONSORED BY: Silent Knights Glider Club BLIPSPOT sfc.temp. adjusted by +0.0 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 - - - - - - 0700z - - 1002z - - 1334z Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 81.0 - - 73.4 - - 68.1 Temp@2m Sfc.Heating - - - - - - 156 - - 87 - - 18 Sfc.Heating BL Depth - - - - - - 2781 - - 1562 - - 609 BL Depth Hcrit - - - - - - 2479 - - 989 - - 989 Hcrit BL Top - - - - - - 3736 - - 2517 - - 1564 BL Top Hgt.Variab. - - - - - - 1250 - - 763 - - 466 Hgt.Variab. W* - - - - - - 320 - - 215 - - 96 W* B/S - - - - - - 7 - - 3 - - 1 B/S BL Wind - - - - - - 8 - - 12 - - 14 BL Wind Direction - - - - - - 311 - - 338 - - 061 Direction Wind Shear - - - - - - 1 - - 3 - - 7 Wind Shear Max.Converg - - - - - - 7 - - 3 - - 2 Max.Converg CLOUDpotent - - - - - - 655 - - -149 - - 357 CLOUDpotentl sfcLCL - - - - - - 3081 - - 2666 - - 1207 sfcLCL ODpotential - - - - - - 284 - - -5700 - - -6171 ODpotential blCL - - - - - - 3452 - - 8217 - - 7735 blCL maxRH - - - - - - 100 - - 100 - - 97 maxRH CAPE - - - - - - 1580 - - 620 - - 550 CAPE Temp@2m - - - - - - 81.0 - - 73.4 - - 68.1 Temp@2m DewPt@2m - - - - - - 70.4 - - 64.9 - - 65.8 DewPt@2m Temp@Bot - - - - - - 79.7 - - 72.8 - - 68.1 Temp@Bot DewPt@Bot - - - - - - 69.5 - - 64.3 - - 65.6 DewPt@bot Sfc.Heating - - - - - - 156 - - 87 - - 18 Sfc.Heating BL Depth - - - - - - 2781 - - 1562 - - 609 BL Depth EXPERIMENT - - - - - - 101 - - 101 - - 86 EXPERIMENT EXPERIMENT2 - - - - - - 16 - - 13 - - 14 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] 99574 32 100 25 105 25 080 99574 92029 29 100 30 105 22 091 92029 86246 28 092 26 091 27 102 86246 81468 23 089 19 094 23 090 81468 77350 21 090 15 104 12 079 77350 73702 15 092 19 121 7 087 73702 70389 11 117 15 118 7 123 70389 67340 8 117 6 137 4 162 67340 64517 9 198 9 186 11 233 64517 61784 13 184 12 195 16 204 61784 58939 13 248 20 246 18 246 58939 56011 28 248 33 245 23 242 56011 53250 38 252 31 249 33 267 53250 50803 39 250 40 260 44 258 50803 48628 41 253 46 259 43 246 48628 46636 44 251 46 251 43 257 46636 44793 45 251 45 253 52 264 44793 43084 46 258 49 258 55 265 43084 41484 49 261 51 257 55 263 41484 39982 51 260 53 256 54 255 39982 38568 51 255 53 256 54 256 38568 37206 50 252 53 254 54 261 37206 35828 47 252 51 249 54 263 35828 34399 45 255 50 249 52 262 34399 32920 45 256 50 253 48 258 32920 31371 45 258 49 255 46 248 31371 29740 37 261 43 255 39 247 29740 28028 35 261 38 252 35 244 28028 26234 33 263 37 256 39 240 26234 24363 27 263 36 267 38 238 24363 22422 25 261 28 262 41 249 22422 20406 21 267 25 265 40 266 20406 18308 22 273 22 258 39 269 18308 16172 25 273 24 246 42 280 16172 14116 27 264 26 242 39 282 14116 12246 25 247 24 237 34 278 12246 10582 20 249 17 237 31 271 10582 9100 16 250 15 231 27 256 9100 7778 12 256 18 235 24 246 7778 6601 4 248 18 241 23 252 6601 5558 7 239 14 235 21 264 5558 4641 7 274 8 221 14 279 4641 3831 7*302 4 232 5 281 3831 3108 8*306 4*315 4 115 3108 2472 8 309 12*339 12 077 2472 1945 9 311 12 339 17*062 1945 1544 9 313 12 338 17*060 1544 1268 9 313 12 338 15 061 1268 1101 8 314 11 337 13 062 1101 1005 7 314 9 337 10 063 1005 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