DrJack's BLIPSPOT for: SUN 04/27 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 - - - - - - 49.7 - - 59.5 - - 57.8 Temp@2m Sfc.Heating - - - - - - 37 - - 58 - - -28 Sfc.Heating BL Depth - - - - - - 990 - - 2102 - - 50 BL Depth Hcrit - - - - - - 987 - - 988 - - 988 Hcrit BL Top - - - - - - 1945 - - 3057 - - 1005 BL Top Hgt.Variab. - - - - - - 545 - - 617 - - 2346 Hgt.Variab. W* - - - - - - 142 - - 215 - - 26 W* B/S - - - - - - 1 - - 2 - - 0 B/S BL Wind - - - - - - 20 - - 21 - - 12 BL Wind Direction - - - - - - 150 - - 159 - - 152 Direction Wind Shear - - - - - - 11 - - 11 - - 0 Wind Shear Max.Converg - - - - - - 1 - - 2 - - 1 Max.Converg CLOUDpotent - - - - - - 196 - - 593 - - -1122 CLOUDpotentl sfcLCL - - - - - - 1749 - - 2464 - - 2127 sfcLCL ODpotential - - - - - - -8005 - - -6686 - - -1894 ODpotential blCL - - - - - - 9950 - - 9743 - - 2899 blCL maxRH - - - - - - 100 - - 98 - - 100 maxRH CAPE - - - - - - 60 - - 0 - - 200 CAPE Temp@2m - - - - - - 49.7 - - 59.5 - - 57.8 Temp@2m DewPt@2m - - - - - - 45.7 - - 52.2 - - 52.0 DewPt@2m Temp@Bot - - - - - - 49.6 - - 59.2 - - 58.7 Temp@Bot DewPt@Bot - - - - - - 45.1 - - 51.1 - - 51.5 DewPt@bot Sfc.Heating - - - - - - 37 - - 58 - - -28 Sfc.Heating BL Depth - - - - - - 990 - - 2102 - - 50 BL Depth EXPERIMENT - - - - - - 101 - - 92 - - 101 EXPERIMENT EXPERIMENT2 - - - - - - 6 - - 8 - - 8 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] 97520 9 160 3 230 0 330 97520 90188 6 169 6 243 3 278 90188 84567 6 145 3 187 4 226 84567 79914 6 010 3 318 4 006 79914 75904 3 320 6 260 8 332 75904 72348 3 101 3 238 10 323 72348 69121 4 346 8 329 11 323 69121 66148 14 302 8 312 12 306 66148 63384 16 279 8 291 16 291 63384 60685 17 277 13 292 16 268 60685 57851 22 281 28 274 24 289 57851 54911 29 269 38 265 35 276 54911 52111 31 271 42 264 47 274 52111 49608 37 275 41 263 51 267 49608 47389 44 280 42 271 48 264 47389 45394 48 277 46 273 47 265 45394 43582 46 273 49 278 48 267 43582 41922 43 273 49 283 50 267 41922 40386 40 275 50 279 50 266 40386 38950 40 278 49 275 49 267 38950 37596 40 279 45 271 45 268 37596 36288 40 280 41 271 38 268 36288 34959 40 280 39 273 35 266 34959 33577 38 281 37 274 34 263 33577 32144 37 273 35 277 33 264 32144 30644 37 269 32 280 32 264 30644 29066 33 262 33 282 32 267 29066 27408 33 259 32 281 33 270 27408 25670 33 261 27 275 32 271 25670 23854 26 258 26 272 30 272 23854 21968 25 256 25 273 29 270 21968 20004 23 257 24 266 29 266 20004 17956 21 252 23 258 29 263 17956 15861 22 252 22 256 26 260 15861 13831 18 249 21 250 23 257 13831 11978 17 245 18 248 23 245 11978 10330 19 202 15 244 22 226 10330 8866 22 190 17 219 21 220 8866 7566 20 187 27 189 20 214 7566 6417 23 185 29 184 21 206 6417 5404 27 192 28 182 23 193 5404 4516 36 189 30 181 27 186 4516 3734 36 185 31*176 30 176 3734 3040 32 173 24*162 28 164 3040 2430 29*163 23 160 26 157 2430 1921 24*152 22 159 24 156 1921 1530 22 150 20 158 23 154 1530 1261 20 149 19 157 20 153 1261 1098 17 149 17 156 17*152 1098 1005 13 148 13 156 12*152 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