DrJack's BLIPSPOT for: SUN 04/26 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 = 09Z 21Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - - - - 0700z - - 1002z - - - Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - - FCST PERIOD Temp@2m - - - - - - 58.6 - - 72.3 - - - Temp@2m Sfc.Heating - - - - - - 21 - - 197 - - - Sfc.Heating BL Depth - - - - - - 785 - - 3955 - - - BL Depth Hcrit - - - - - - 988 - - 3416 - - - Hcrit BL Top - - - - - - 1740 - - 4910 - - - BL Top Hgt.Variab. - - - - - - 699 - - 2700 - - - Hgt.Variab. W* - - - - - - 114 - - 380 - - - W* B/S - - - - - - 2 - - 3 - - - B/S BL Wind - - - - - - 10 - - 20 - - - BL Wind Direction - - - - - - 113 - - 128 - - - Direction Wind Shear - - - - - - 4 - - 7 - - - Wind Shear Max.Converg - - - - - - 2 - - 3 - - - Max.Converg CLOUDpotent - - - - - - -68 - - -721 - - - CLOUDpotentl sfcLCL - - - - - - 1808 - - 5631 - - - sfcLCL ODpotential - - - - - - -3659 - - -1673 - - - ODpotential blCL - - - - - - 5399 - - 6583 - - - blCL maxRH - - - - - - 100 - - 91 - - - maxRH CAPE - - - - - - 430 - - 160 - - - CAPE Temp@2m - - - - - - 58.6 - - 72.3 - - - Temp@2m DewPt@2m - - - - - - 54.0 - - 50.9 - - - DewPt@2m Temp@Bot - - - - - - 58.5 - - 71.1 - - - Temp@Bot DewPt@Bot - - - - - - 53.2 - - 50.1 - - - DewPt@bot Sfc.Heating - - - - - - 21 - - 197 - - - Sfc.Heating BL Depth - - - - - - 785 - - 3955 - - - BL Depth EXPERIMENT - - - - - - 99 - - 66 - - - EXPERIMENT EXPERIMENT2 - - - - - - 9 - - 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] 97046 29 233 27 262 97046 89742 23 240 22 247 89742 84126 9 236 10 245 84126 79470 4 234 6 243 79470 75471 4 289 9 261 75471 71947 6 311 4 271 71947 68754 12 311 11 288 68754 65802 12 297 12 277 65802 63043 16 289 20 284 63043 60350 21 263 20 263 60350 57527 19 269 23 270 57527 54583 26 276 33 272 54583 51764 33 270 39 273 51764 49228 38 273 44 269 49228 46959 46 268 46 263 46959 44917 51 262 49 264 44917 43068 51 257 53 264 43068 41384 53 250 55 261 41384 39838 50 245 57 260 39838 38406 46 248 56 256 38406 37067 49 250 51 251 37067 35776 53 249 48 249 35776 34464 53 247 50 249 34464 33099 54 242 52 251 33099 31683 55 238 49 253 31683 30201 51 235 41 251 30201 28643 45 228 38 251 28643 27009 37 234 37 257 27009 25299 36 242 38 262 25299 23513 34 249 36 265 23513 21654 33 253 32 259 21654 19721 24 247 29 236 19721 17707 16 214 26 233 17707 15654 15 209 20 200 15654 13675 21 206 20 205 13675 11875 23 200 23 213 11875 10272 21 190 26 201 10272 8846 21 186 29 184 8846 7577 22 184 29 171 7577 6448 23 184 26 163 6448 5446 23 182 21*148 5446 4562 20 169 21*137 4562 3780 18 151 21 131 3780 3079 18 139 20 128 3079 2459 17 134 20 127 2459 1941 14*122 20 125 1941 1542 12*115 20 125 1542 1268 11 113 19 124 1268 1101 10 112 18 124 1101 1005 8 111 15 124 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