DrJack's BLIPSPOT for: WED 09/30 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 - - - - - - 0953z - - 1001z - - 1333z Update Time FCST PERIOD - - - - - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 71.8 - - 72.5 - - 69.4 Temp@2m Sfc.Heating - - - - - - 40 - - -3 - - -1 Sfc.Heating BL Depth - - - - - - 1220 - - 1071 - - 51 BL Depth Hcrit - - - - - - 989 - - 989 - - 989 Hcrit BL Top - - - - - - 2175 - - 2026 - - 1006 BL Top Hgt.Variab. - - - - - - 1773 - - 2498 - - 2291 Hgt.Variab. W* - - - - - - 160 - - 71 - - 0 W* B/S - - - - - - 5 - - 2 - - 0 B/S BL Wind - - - - - - 5 - - 6 - - 4 BL Wind Direction - - - - - - 238 - - 241 - - 177 Direction Wind Shear - - - - - - 2 - - 2 - - 0 Wind Shear Max.Converg - - - - - - -1 - - -2 - - 0 Max.Converg CLOUDpotent - - - - - - 855 - - 583 - - 0 CLOUDpotentl sfcLCL - - - - - - 1320 - - 1443 - - 1006 sfcLCL ODpotential - - - - - - 344 - - -207 - - -282 ODpotential blCL - - - - - - 1831 - - 2233 - - 1288 blCL maxRH - - - - - - 100 - - 100 - - 100 maxRH CAPE - - - - - - 250 - - 390 - - 280 CAPE Temp@2m - - - - - - 71.8 - - 72.5 - - 69.4 Temp@2m DewPt@2m - - - - - - 68.7 - - 68.9 - - 68.7 DewPt@2m Temp@Bot - - - - - - 71.3 - - 72.7 - - 69.6 Temp@Bot DewPt@Bot - - - - - - 68.0 - - 68.3 - - 68.8 DewPt@bot Sfc.Heating - - - - - - 40 - - -3 - - -1 Sfc.Heating BL Depth - - - - - - 1220 - - 1071 - - 51 BL Depth EXPERIMENT - - - - - - 100 - - 101 - - 101 EXPERIMENT EXPERIMENT2 - - - - - - 15 - - 15 - - 16 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] 97871 20 264 18 286 18 275 97871 90608 11 257 15 288 10 289 90608 84995 7 232 9 251 7 296 84995 80358 5 199 9 222 9 304 80358 76373 1 048 5 169 2 342 76373 72844 1 346 4 070 4 096 72844 69637 5 194 7 251 3 311 69637 66691 6 213 11 251 12 261 66691 63971 6 239 12 252 15 253 63971 61327 10 285 13 241 19 252 61327 58572 23 273 25 264 28 258 58572 55728 33 259 36 257 34 264 55728 53025 38 266 38 269 44 268 53025 50602 44 283 54 275 46 273 50602 48425 68 281 65 273 62 279 48425 46444 83 280 76 272 75 269 46444 44630 90 275 81 272 79 265 44630 42950 90 270 84 270 82 262 42950 41379 83 268 82 266 80 257 41379 39903 69 261 77 261 74 253 39903 38506 59 259 65 265 64 249 38506 37147 58 260 52 261 63 245 37147 35759 54 259 53 256 60 241 35759 34313 51 256 53 257 55 240 34313 32813 51 249 51 256 51 247 32813 31244 50 242 51 254 48 254 31244 29595 45 239 50 252 42 247 29595 27869 43 242 47 248 43 242 27869 26065 41 240 43 244 44 243 26065 24187 37 239 40 239 42 243 24187 22241 31 236 38 236 42 240 22241 20222 26 259 37 236 41 235 20222 18123 23 281 33 238 38 236 18123 15992 16 258 23 244 32 241 15992 13949 17 249 15 270 29 244 13949 12095 19 250 11 282 26 245 12095 10451 20 250 10 258 24 244 10451 8990 17 246 16 238 27 239 8990 7690 13 243 19 236 29 234 7690 6535 10 249 16 239 27 240 6535 5511 9 256 13 245 23 243 5511 4608 7 252 10 253 13 236 4608 3813 6 255 9 248 9 216 3813 3103 6 255 8 245 10 212 3103 2475 7*253 8*243 11 221 2475 1950 6*243 7*242 9 211 1950 1547 6 239 7 242 8 198 1547 1270 5 237 6 241 7 183 1270 1102 5 235 6 240 6*180 1102 1006 4 234 5 239 4*177 1006 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