DrJack's BLIPSPOT for: WED 09/18 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 = 15Z 0Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - 0949z - - 0954z - - 1002z - - 1555z Update Time FCST PERIOD - - - 6 hr - - 9 hr - - 12 hr - - 9 hr FCST PERIOD Temp@2m - - - 69.9 - - 81.0 - - 85.4 - - 80.2 Temp@2m Sfc.Heating - - - -2 - - 191 - - 131 - - -30 Sfc.Heating BL Depth - - - 50 - - 2664 - - 4752 - - 51 BL Depth Hcrit - - - 989 - - 2447 - - 3775 - - 990 Hcrit BL Top - - - 1005 - - 3619 - - 5707 - - 1006 BL Top Hgt.Variab. - - - 772 - - 1840 - - 1475 - - 5163 Hgt.Variab. W* - - - 17 - - 328 - - 353 - - 17 W* B/S - - - 0 - - 4 - - 4 - - 0 B/S BL Wind - - - 7 - - 15 - - 16 - - 7 BL Wind Direction - - - 186 - - 178 - - 182 - - 173 Direction Wind Shear - - - 0 - - 8 - - 5 - - 0 Wind Shear Max.Converg - - - 0 - - -4 - - 3 - - 0 Max.Converg CLOUDpotent - - - -1914 - - -785 - - 0 - - -3658 CLOUDpotentl sfcLCL - - - 2919 - - 4404 - - 5708 - - 4664 sfcLCL ODpotential - - - -6124 - - -3260 - - -2033 - - -6991 ODpotential blCL - - - 7129 - - 6879 - - 7740 - - 7997 blCL maxRH - - - 100 - - 88 - - 86 - - 72 maxRH CAPE - - - 80 - - 570 - - 840 - - 540 CAPE Temp@2m - - - 69.9 - - 81.0 - - 85.4 - - 80.2 Temp@2m DewPt@2m - - - 60.5 - - 64.8 - - 63.5 - - 63.1 DewPt@2m Temp@Bot - - - 70.2 - - 79.8 - - 84.5 - - 81.6 Temp@Bot DewPt@Bot - - - 60.3 - - 64.4 - - 63.1 - - 62.9 DewPt@bot Sfc.Heating - - - -2 - - 191 - - 131 - - -30 Sfc.Heating BL Depth - - - 50 - - 2664 - - 4752 - - 51 BL Depth EXPERIMENT - - - 102 - - 51 - - 45 - - 0 EXPERIMENT EXPERIMENT2 - - - 12 - - 13 - - 12 - - 13 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] 98457 6 276 6 237 13 289 1 326 98457 91165 5 294 10 324 4 302 13 339 91165 85531 2 106 7 304 3 052 8 329 85531 80845 5 059 8 127 2 332 7 019 80845 76801 9 065 12 099 2 044 8 019 76801 73217 8 079 7 079 9 085 5 057 73217 69955 4 063 2 081 5 062 5 064 69955 66948 6 218 2 258 2 013 2 027 66948 64156 7 178 5 242 4 261 1 261 64156 61440 5 122 5 208 11 239 1 241 61440 58625 6 207 8 217 13 222 8 239 58625 55741 7 247 6 219 10 247 10 233 55741 53005 35 258 29 269 24 284 19 286 53005 50543 41 251 38 258 37 263 31 270 50543 48340 35 258 33 258 40 263 45 268 48340 46350 43 265 36 264 38 264 37 266 46350 44522 40 249 34 254 33 256 32 272 44522 42828 34 223 38 230 28 234 34 275 42828 41247 25 201 52 214 32 218 34 272 41247 39768 19 204 40 197 35 217 31 266 39768 38378 19 218 30 186 30 220 30 267 38378 37037 19 230 28 194 29 223 29 272 37037 35675 25 246 19 213 30 234 31 273 35675 34260 28 244 22 244 30 242 33 269 34260 32790 27 224 23 247 29 248 33 269 32790 31249 30 216 23 250 25 250 31 272 31249 29627 30 215 23 250 24 259 31 277 29627 27924 25 211 21 238 24 262 30 279 27924 26140 22 210 21 223 26 268 27 278 26140 24276 22 216 23 221 23 263 25 278 24276 22337 20 208 24 209 22 258 20 269 22337 20322 17 199 24 210 20 250 18 245 20322 18237 16 190 23 214 20 217 16 231 18237 16119 13 181 23 216 22 233 19 241 16119 14077 11 174 19 208 21 227 21 241 14077 12218 12 180 16 197 18 222 17 238 12218 10563 11 178 15 200 15 237 13 239 10563 9089 11 190 13 213 13 238 8 231 9089 7778 13 204 11 210 11 221 11 191 7778 6615 17 203 12 200 14*202 17 175 6615 5585 23 205 16 200 16*184 20 173 5585 4676 23 205 19 197 17 183 20 174 4676 3870 23 206 18*189 17 183 20 175 3870 3147 24 211 18*183 16 182 20 177 3147 2506 25 211 17 179 16 181 20 177 2506 1971 24 204 16 177 16 180 20 177 1971 1560 19 198 14 176 15 180 18 177 1560 1277 12 189 13 175 15 180 15 175 1277 1105 11*188 12 175 14 179 12 174 1105 1006 7*186 10 174 11 179 7*173 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