DrJack's BLIPSPOT for: WED 05/20 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 - - 1334z Update Time FCST PERIOD - - - - - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 56.6 - - 60.7 - - 62.2 Temp@2m Sfc.Heating - - - - - - 259 - - 234 - - -3 Sfc.Heating BL Depth - - - - - - 3545 - - 3498 - - 49 BL Depth Hcrit - - - - - - 3234 - - 3142 - - 988 Hcrit BL Top - - - - - - 4500 - - 4453 - - 1004 BL Top Hgt.Variab. - - - - - - 501 - - 806 - - 4754 Hgt.Variab. W* - - - - - - 403 - - 383 - - 24 W* B/S - - - - - - 9 - - 9 - - 1 B/S BL Wind - - - - - - 8 - - 8 - - 5 BL Wind Direction - - - - - - 031 - - 037 - - 066 Direction Wind Shear - - - - - - 2 - - 2 - - 0 Wind Shear Max.Converg - - - - - - 1 - - -6 - - 1 Max.Converg CLOUDpotent - - - - - - -537 - - -1635 - - -5894 CLOUDpotentl sfcLCL - - - - - - 5037 - - 6088 - - 6898 sfcLCL ODpotential - - - - - - -9083 - - -7383 - - -11596 ODpotential blCL - - - - - - 13583 - - 11836 - - 12600 blCL maxRH - - - - - - 87 - - 96 - - 77 maxRH CAPE - - - - - - 0 - - 0 - - 0 CAPE Temp@2m - - - - - - 56.6 - - 60.7 - - 62.2 Temp@2m DewPt@2m - - - - - - 38.3 - - 37.7 - - 35.8 DewPt@2m Temp@Bot - - - - - - 55.0 - - 59.1 - - 62.3 Temp@Bot DewPt@Bot - - - - - - 37.0 - - 36.5 - - 34.6 DewPt@bot Sfc.Heating - - - - - - 259 - - 234 - - -3 Sfc.Heating BL Depth - - - - - - 3545 - - 3498 - - 49 BL Depth EXPERIMENT - - - - - - 48 - - 82 - - 8 EXPERIMENT EXPERIMENT2 - - - - - - 4 - - 4 - - 4 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] 98112 7 118 10 127 4 039 98112 90683 8 157 1 003 4 033 90683 85004 9 111 6 021 6 055 85004 80300 4 110 6 018 5 073 80300 76226 3 104 5 157 2 012 76226 72622 6 143 7 191 8 299 72622 69363 5 154 12 185 10 255 69363 66350 8 237 7 213 10 231 66350 63553 6 232 7 247 13 222 63553 60848 17 245 10 247 19 240 60848 58017 33 249 32 237 29 234 58017 55078 43 229 45 239 38 247 55078 52284 44 230 56 236 56 246 52284 49781 51 237 60 232 63 235 49781 47534 55 240 59 228 56 227 47534 45496 66 242 58 236 57 238 45496 43651 78 240 78 240 68 240 43651 41971 83 237 92 237 91 239 41971 40418 83 237 88 234 98 236 40418 38961 81 237 79 232 91 237 38961 37590 75 235 77 232 81 237 37590 36268 72 235 77 232 73 239 36268 34926 71 235 75 233 71 237 34926 33529 68 234 66 233 68 232 33529 32080 65 236 61 235 64 230 32080 30566 62 237 58 237 59 232 30566 28974 60 239 58 244 58 235 28974 27304 56 241 58 250 58 238 27304 25554 54 243 54 246 58 241 25554 23729 53 240 51 246 56 245 23729 21828 49 243 52 250 56 255 21828 19852 50 248 51 252 60 265 19852 17792 48 249 46 257 54 263 17792 15687 44 245 43 256 44 269 15687 13662 37 248 35 243 26 259 13662 11828 27 284 18 241 26 239 11828 10203 19 293 11 308 14 223 10203 8769 8 306 5 314 2 292 8769 7497 6 002 1 051 4 355 7497 6370 9 013 6 050 8 072 6370 5377 9*027 9 043 10 075 5377 4505 8*031 9*041 10 073 4505 3735 9 032 9*039 9 072 3735 3044 9 031 9 038 9 071 3044 2434 8 031 8 038 9 070 2434 1923 8 031 8 035 8 069 1923 1532 8 031 8 035 8 067 1532 1262 8 031 7 035 7 067 1262 1098 8 031 7 034 7 067 1098 1004 7 031 7 034 5*066 1004 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