DrJack's BLIPSPOT for: THU 02/19 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 - - - - - - 35.5 - - 39.3 - - - Temp@2m Sfc.Heating - - - - - - 142 - - 169 - - - Sfc.Heating BL Depth - - - - - - 1470 - - 1625 - - - BL Depth Hcrit - - - - - - 1444 - - 1644 - - - Hcrit BL Top - - - - - - 2425 - - 2580 - - - BL Top Hgt.Variab. - - - - - - 249 - - 475 - - - Hgt.Variab. W* - - - - - - 243 - - 265 - - - W* B/S - - - - - - 2 - - 2 - - - B/S BL Wind - - - - - - 19 - - 21 - - - BL Wind Direction - - - - - - 029 - - 034 - - - Direction Wind Shear - - - - - - 6 - - 8 - - - Wind Shear Max.Converg - - - - - - 1 - - 11 - - - Max.Converg CLOUDpotent - - - - - - -196 - - -845 - - - CLOUDpotentl sfcLCL - - - - - - 2621 - - 3425 - - - sfcLCL ODpotential - - - - - - -7084 - - -7065 - - - ODpotential blCL - - - - - - 9509 - - 9645 - - - blCL maxRH - - - - - - 94 - - 101 - - - maxRH CAPE - - - - - - 0 - - 0 - - - CAPE Temp@2m - - - - - - 35.5 - - 39.3 - - - Temp@2m DewPt@2m - - - - - - 27.4 - - 27.6 - - - DewPt@2m Temp@Bot - - - - - - 34.8 - - 38.4 - - - Temp@Bot DewPt@Bot - - - - - - 26.7 - - 27.2 - - - DewPt@bot Sfc.Heating - - - - - - 142 - - 169 - - - Sfc.Heating BL Depth - - - - - - 1470 - - 1625 - - - BL Depth EXPERIMENT - - - - - - 74 - - 103 - - - EXPERIMENT EXPERIMENT2 - - - - - - 3 - - 3 - - - 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] 96843 32 099 29 093 96843 89670 24 095 22 100 89670 84085 18 081 11 087 84085 79413 13 052 10 066 79413 75357 9 043 8 070 75357 71749 11 051 7 069 71749 68481 9 033 6 081 68481 65476 7 031 7 048 65476 62682 4 299 8 310 62682 59976 1 129 15 278 59976 57140 10 334 23 262 57140 54166 22 283 27 248 54166 51313 28 245 23 258 51313 48735 27 266 38 273 48735 46415 40 272 46 253 46415 44314 49 259 51 247 44314 42396 49 250 53 244 42396 40635 49 251 53 250 40635 39003 52 256 56 257 39003 37478 53 260 63 259 37478 36050 61 261 69 258 36050 34686 71 255 78 256 34686 33327 81 249 87 251 33327 31943 81 243 87 246 31943 30534 76 245 81 243 30534 29076 75 248 72 241 29076 27552 70 243 61 241 27552 25968 63 238 51 238 25968 24322 50 232 42 228 24322 22612 48 221 38 212 22612 20831 45 211 36 204 20831 18968 33 205 34 194 18968 17019 21 207 28 190 17019 15029 22 196 21 186 15029 13109 29 185 16 181 13109 11364 26 176 13 148 11364 9816 23 157 22 134 9816 8442 22 141 27 126 8442 7226 19 131 29 101 7226 6146 17 114 28 092 6146 5187 15 093 25 075 5187 4342 15 079 26 055 4342 3597 18 055 26 044 3597 2935 23*037 25*039 2935 2356 20*031 22*035 2356 1874 20 029 22 035 1874 1503 19 028 21 034 1503 1247 18 028 20 034 1247 1092 17 027 18 033 1092 1003 14 027 14 033 1003 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